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Avoid complicated and error-prone parsing of df's output via
sed(1), cut(1), etc., and instead use df's more modern --output
option.
* src/ioblksize.h (in a comment): Simplify the extraction of the
device name of the mounted file system from df's output.
* tests/dd/skip-seek-past-dev.sh: Likewise.
* tests/du/2g.sh: Likewise for the 'avail' column here.
Also avoid the deprecated use of "tail -NUM".
* tests/misc/stat-mount.sh: While at it, remove the determination
of the mount point of "." via df(1) plus sed(1) as it is unused
since commit v8.5-159-gf57cb37 anyway. Instead, improve this test
by verifying that the output of "stat -c%m ." at least starts with
a slash '/'.
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Revert commit v8.22-131-g3e89d5b as even though POSIX
states that the default mode should be -L,
common practice for stand-alone pwd implementations
is to default to -P.
* src/pwd.c (usage): Retain mention of the default mode of operation.
Suggested by Bob Proulx
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* tests/ls/readdir-mountpoint-inode.sh: Quote appropriately
to process mount points with spaces in the path.
Previously items like these would usually be skipped,
though if the path also contained a '-' for example,
that would stat stdin, thus producing a wrong inode
and a false failure.
Fixes http://bugs.gnu.org/17863
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* tests/df/no-mtab-status.sh: Skip if getmntent() not available.
* tests/df/skip-duplicates.sh: Likewise.
Fixes http://bugs.gnu.org/17863
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This works for any program that might also be a shell built-in.
It is more concise. In addition, it makes output more reproducible:
some diagnostics include argv[0], which will now be just the program
name, rather than the full absolute name of the executable.
* tests/misc/sort-compress.sh: Use env kill, rather than absolute name.
* tests/install/trap.sh: Likewise.
* tests/misc/timeout.sh: Likewise.
* tests/touch/no-dereference.sh: Do the same for two uses of "test".
* tests/touch/no-create-missing.sh: Likewise.
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On systems without libselinux, context_t is defined as an int type,
but defined as a pointer type by SELinux.
* src/chcon.c: Init with 0 rather than NULL to avoid warning.
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* tests/misc/pwd-option.sh (base): Initialize with -P,
now that -L is the default, to accommodate an initial
working directory with a symlink component.
* tests/misc/readlink-fp-loop.sh: Use $(env pwd -P) to get the
absolute working directory. Using "env" ensures we do not invoke
any shell built-in, and PATH ensures we invoke the one from coreutils.
* tests/readlink/can-e.sh: Likewise.
* tests/readlink/can-f.sh: Likewise.
* tests/readlink/can-m.sh: Likewise.
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The security_context_t type was always an artificial separation
from a standard char* string, and various libselinux using code
assumed both were synonymous. In addition, prior to libselinux 2.3
function declarations were incorrect wrt constness of this type.
Here we replace security_context_t with char*, and also
provide a wrapper function to cater for the const issue on
older libselinux.
* src/system.h (se_const): A new function to avoid and identify
the const issue on older libselinux.
* src/copy.c: s/security_context_t/char */.
* src/cp.c: Likewise.
* src/id.c: Likewise.
* src/install.c: Likewise.
* src/ls.c: Likewise.
* src/mkdir.c: Likewise.
* src/mkfifo.c: Likewise.
* src/mknod.c: Likewise.
* src/runcon.c: Likewise.
* src/selinux.c: Likewise.
* tests/cp/no-ctx.sh: Likewise.
* src/chcon.c: Likesize.
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Since context is verified by security_check_context() it can be used in
change_file_context() without converting to context_t every time.
* src/chcon.c (change_file_context): Use specified_context directly.
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context_new() and _free() are used for checking validity of a
specified context. libselinux provides security_check_context
for this purpose so use it.
Note that context_new() can fail for a valid context - e.g. ENOMEM.
* src/chcon.c (main): Use security_check_context().
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* src/pwd.c (main): Adjust default mode to be "logical"
and independent of the POSIXLY_CORRECT env var.
(usage): Mention the default mode of operation.
* doc/coreutils.texi (pwd invocation): Adjust accordingly.
* tests/misc/pwd-option.sh: Likewise.
* NEWS: Mention the change in behavior.
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* HACKING: GID is more useful in tests than group name, so rename
input param from NON_ROOT_GROUP to NON_ROOT_GID to make it obvious
that only a group ID is now acceptable, thus allowing GID lookups
to be avoided throughout the tests.
* init.cfg (require_root_): Likewise.
* tests/misc/truncate-owned-by-other.sh: Avoid looking up the GID.
* tests/touch/now-owned-by-other.sh: Likewise.
* tests/misc/chroot-credentials.sh: Likewise. Also fix an instance
of comparison against NON_ROOT_GROUP which would have given a false
failure if a non numeric value was passed in.
* tests/id/setgid.sh: Use previously looked up gid as a more
accurate base for the subsequent adjustment, and move
the uid lookup within chroot, rather than having the overhead
of a separate `id` invocation.
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* NEWS: Mention bug introduced in v8.1 (with commit v8.0-88-g8ba5d1a).
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* src/id.c (print_full_info): When no user is specified,
output the effective group for the _process_, rather than
the default group from the system database, which may be different.
* tests/id/setgid.sh: Add a case for `id` as well as `id -G`.
* NEWS: Mention the bug fix.
Fixes http://bugs.gnu.org/7320
Reported at http://bugzilla.redhat.com/1016163
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* src/df.c (last_device_for_mount): A new function to identify
the last device mounted for a mount point.
(get_disk): Use the above to discard mount entries for a device,
where a later mount entry uses a different device name than
that of the user specified device.
* tests/df/over-mount-device.sh: A new root test.
* tests/local.mk: Reference the new test.
* NEWS: Reword for all these related recent fixes.
Discussed at: http://bugs.gnu.org/16539#69
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* src/df.c (get_disk): Include whether we can access the mount dir,
in the mount entry selection criteria. This handles the case where
a device is (bind) mounted multiple times with the shortest mount path
not being accessible, while some of the other mount points are.
Discussed at: http://bugs.gnu.org/16539#63
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A system provided mount entry may be unavailable due to TOCTOU race,
or if another device has been over-mounted at that position, or due to
access permissions. In all these cases output "-" placeholder values
rather than either producing an error, or in the over-mount case
outputting values for the wrong device.
* src/df.c (device_list): A new global list now updated by
filter_mount_list().
(filter_mount_list): Adjust to take a parameter as to whether
update the global mount list, or only the mount <-> device ID mapping.
(get_dev): Use the device ID mapping to ensure we're not outputting
stats for the wrong device. Also output placeholder values when we
can't access a system specified mount point.
(get_all_entries): Set the DEVICE_ONLY param for filter_mount_list().
(devname_for_dev): A new function to search the mount <-> dev mapping.
* test/df/skip-duplicates.sh: Adjust accordingly.
* NEWS: Mention the bug fixes.
Discussed at: http://bugs.gnu.org/16539
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* src/du.c (process_file): Treat cycles due to bind mounts
like cycles due to following symlinks.
* tests/du/bind-mount-dir-cycle.sh: Adjust accordingly.
* NEWS: Mention the change in behavior.
Reported at http://bugzilla.redhat.com/836557
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* src/ls.c (usage): State that --human changes --size format.
Fixes http://bugs.gnu.org/17838
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* doc/coreutils.texi (chown invocation): Mention the system dependent
restrictions on setting groups.
(chgrp invocation): Likewise. Reference the 'chown' superset.
* man/chgrp.x: Cross reference chown(1) which is the superset interface,
and also chown(2) which gives details of the platform restrictions.
Fixes http://bugs.gnu.org/17495
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* src/df.c (filter_mount_list): Recent commit v8.22-108-g25a2c94
failed to copy file system type along with the updated device name.
Therefore simply replace the existing mount entry with the
current one with all the latest device details. Note the name,
even if not shorter in this entry, will be replaced with a shorter
name in a subsequent mount entry.
* tests/df/skip-duplicates.sh: Add a test case.
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* src/seq.c (main): Avoid seq_fast() with a start or end of -0.
* tests/misc/seq.pl: Add test cases.
* NEWS: Mention the fix.
Fixes http://bugs.gnu.org/17800
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Veritas File System can run in single instance or clustered mode,
so mark as remote to avoid using inotify for the latter case.
* src/stat.c (human_fstype): Tag VXFS as remote, to use polling
for the clustered variant (VXCFS).
* NEWS: Mention the bug fix.
Reported by Ondřej Vašík in http://bugzilla.redhat.com/1104244
Fixes http://bugs.gnu.org/17770
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* src/numfmt.c (double_to_human): The printf format is built up in
a stack buffer which is big enough to hold any of the possible formats.
However the size parameter passed to snprintf was too big by 1
when GROUP was true. So decrease the buffer available to snprintf
to avoid this theoretical in practise but valid coverity warning.
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* tests/install/d-slashdot.sh: 'ginstall' is the binary name
in the build directory, not 'install'.
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* src/install.c (install_file_in_file_parents): Factor out the
creation of any parent directories into ...
(mkancesdirs_safe_wd): ... this new function.
(install_file_in_dir): Add the parameter 'mkdir_and_install', and
call the above new function if it evaluates to true.
(main): During parsing of the -t option, move the check whether
the target_directory exists down after the option parsing loop,
and do not complain about stat(optarg,...) failing if -D was given.
Pass 'mkdir_and_install' to install_file_in_dir().
* doc/coreutils.texi (install invocation): Remove the (false)
restriction that -D would be ignored together with -t. Instead,
clarify install's new bahavior.
Fix the node's reference in the top-level @direntry for consistency.
* src/install/basic-1.sh: Add tests for the now-allowed combination
of the -D and -t options.
* NEWS: Mention the improvement.
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* gnulib: Update to latest.
* tests/init.sh: Update from gnulib.
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* configure.ac: Remove the -Wsuggest-attribute=pure
enablement on GCC >= 4.7, as that was moot since
gnulib was already enabling that warning in its default set.
The false positive was seen with 4.6.2, but confirmed
not present in 4.6.3, so that's sufficiently old to
just leave this enabled unconditionally.
Remove the -Wsuggest-attribute={const,noreturn}
enablement, as gnulib already has those in the default set.
Enable the -Wlogical-op warning for GCC >= 4.8.0
as that is confirmed OK with coreutils at least, due to
fixing: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43772
Remove the -Wno-logical-op override since the main
-Wlogical-op flag is now sufficient to control this warning
as of GCC 4.6.3 at least.
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* src/true.c (main): Add a comment about the possibility
of true returning EXIT_FAILURE due to write failure.
* tests/misc/false-status.sh: Fix so we're testing
the tool and not the shell builtin. Add a case for true(1).
* tests/misc/help-version.sh: Skip /dev/full test
for true as well as false since the exit status is tested separately.
Also remove the iterations for different LC_MESSAGES, as this was only
applied for false(1). Translations are not honored in the test dir
and so would need separate handling in any case.
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* src/df.c (get_dev): asssert() on Solaris 10 is not marked as
__noreturn__ and thus the compiler may think V is uninitialized
later on in the function.
* THANKS.in: Remove the now committer.
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* configure.ac: When looking for a .git checkout, exclude repos that
contain a .tarball-version file as these are probably releases
that are imported into git for patch management.
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commits v8.20-98-g51ce0bf and v8.20-99-gd302aed changed cut(1)
to process each line independently and thus promptly output
each line without buffering. As part of those changes we removed
the special handling of --delimiter=$'\n' --fields=... which
could be used to select arbitrary (ranges of) lines, so as to
simplify and optimize the implementation while also matching the
behavior of different cut(1) implementations.
However that GNU behavior was in place for a long time, and
could be useful in certain cases like making a separated list like
`seq 10 | cut -f1- -d$'\n' --output-delimiter=,` although other tools
like head(1) and paste(1) are more suited to this operation.
This patch reinstates that functionality but restricts the
"line behind" buffering behavior to only the -d$'\n' case.
We also fix the following related edge case to be more consistent:
before> printf "\n" | cut -s -d$'\n' -f1- | wc -l
2
before> printf "\n" | cut -d$'\n' -f1- | wc -l
1
after > printf "\n" | cut -s -d$'\n' -f1- | wc -l
1
after > printf "\n" | cut -d$'\n' -f1- | wc -l
1
* src/cut.c (cut_fields): Adjust as discussed above.
* tests/misc/cut.pl: Likewise.
* NEWS: Mention the change in behavior both for v8.21
and this effective revert.
* cfg.mk (old_NEWS_hash): Adjust for originally omitted v8.21 entry.
* src/paste.c: s/delimeter/delimiter/ comment typo fix.
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* src/stat.c (find_bind_mount): NAME is invariant in the loop,
so only stat(NAME) outside the loop.
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The device name reported for a particular mount entry
may no longer be valid if the mount point was subsequently
mounted on a different device. Therefore honor the order
of the mount list returned by the system and use the last
reported device name.
* src/df.c (filter_mount_list): When discarding the current
mount entry, ensure that a new device name is not also discarded.
* tests/df/skip-duplicates.sh: Add a test case. Also fix
a false failure in the edge case of a system with only a
single file system.
* NEWS: Mention the fix.
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* src/stdbuf.c (set_LD_PRELOAD): Adjust to use Mac OS X
specific environment variables on __APPLE__ platforms.
Fixes http://bugs.gnu.org/17590
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* src/uname.c (main) [__APPLE__]: Rename inner "s" to "cs",
to avoid gcc shadowing warning.
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* src/join.c (usage): Reword to avoid implication that
the NUL byte is only generated as the output delimeter.
* src/sort.c (usage): Likewise.
* src/shuf.c (usage): Likewise. Also since we're changing the
translation string take the opportunity to separate out
the description to a separate string to reduce translation overhead.
* src/uniq.c (usage): Likewise.
* src/stty.c (usage): s/null/NUL/ for consistency.
* src/basename.c (usage): Reword for accuracy/consistency.
* src/dirname.c (usage): Likewise.
* src/du.c (usage): Likewise.
* src/env.c (usage): Likewise.
* src/printenv.c (usage): Likewise.
* src/readlink.c (usage): Likewise.
* src/realpath.c (usage): Likewise.
* doc/coreutils.texi: Consolidate/share the descriptions of
--null, --zero and --zero-terminated.
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* src/local.mk (src_libstdbuf_so_LDADD): Add $(LIBINTL),
to avoid link failure on OS X.
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* src/ioblksize.h (IO_BUFSIZE): Double the size, to 128KB.
Add four more columns to the blksize-vs-bandwidth table
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* doc/coreutils.texi: Add "@documentencoding UTF-8".
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* src/stat.c (human_fstype): Add new file system ID definitions.
* NEWS: Mention the improvement.
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* src/stat.c (human_fstype): Adjust a couple of existing constants
to be a consistent width and capitalization so that the
src/fs-magic-compare target works without reporting false positives.
* cfg.mk (sc_fs-magic-compare): A new syntax check to enforce this.
Improved by: Jim Meyering
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__SUNPRO_C >= 0x590 /*12.0*/ supports __attribute((constructor))
required by stdbuf, so use a more direct check for this.
Note ensure that --libexecdir is set to the appropriate
install location for libstdbuf.so so that stdbuf works
when installed on the system like it does when running
tests in the build directory.
* configure.ac (stdbuf_supported): Use a test prog to determine support.
* src/libstdbuf.c (stdbuf): Define appropriately for non GCC compilers,
and provide early feedback (compilation warning) if trying to compile
libstdbuf without the necessary support.
* src/stdbuf.c (set_LD_PRELOAD): Add a note on having stdbuf
look for libstdbuf.so in the default lib search path.
* cfg.mk (sc_prohibit-gl-attributes): Adjust so we can exclude
libstdbuf.so from prohibiting '__attribute', since we want
this form to avoid silently eliding this required attribute on non GCC.
Reported and tested by Rich Burridge.
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* init.cfg (require_root_): Adjust to use chroot, and make
`require_built_ chroot` implicit when chroot used in the test.
* po/POTFILES.in: Remove reference to setuidgid tool.
* src/.gitignore: Likewise.
* src/local.mk: Likewise.
* src/setuidgid.c: Remove.
* tests/cp/preserve-gid.sh: s/setuidgid/chroot --user/.
* tests/cp/special-bits.sh: Likewise.
* tests/id/setgid.sh: Likewise.
* tests/misc/truncate-owned-by-other.sh
* tests/mv/sticky-to-xpart.sh: Likewise.
* tests/rm/fail-2eperm.sh: Likewise.
* tests/rm/no-give-up.sh: Likewise.
* tests/touch/now-owned-by-other.sh: Likewise.
* tests/misc/chroot-fail.sh: Skip if chroot not built.
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* src/chroot.c (is_root): A new helper function to
determine if the passed argument is the root directory
based on inode comparison.
(main): Use the new helper rather than comparing strings.
* tests/misc/chroot-fail.sh: Add cases for alternative root paths.
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* src/chroot.c (main): Consistently exit with failure status immediately
upon hitting a terminal issue, rather than diagnosing multiple issues
lest users think previous failing actions are optional.
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It's dangerous and confusing to leave root's supplemental
groups in place when specifying other users with --userspec.
In the edge case that that is desired one can explicitly
specify --groups.
Also we implicitly set the system defined supplemental groups
for a user. The existing mechanism where supplemental groups
needed to be explicitly specified is confusing and not general
when the lookup needs to be done within the chroot.
Also we extend the --groups syntax slightly to allow clearing
the set of supplementary groups using --groups=''.
* src/chroot.c (setgroups): On systems without supplemental groups,
clearing then is a noop and so should return success.
(main): Lookup the primary GID with getpwuid() when just a numeric
uid is specified, and also infer the USERNAME from this call,
needed when we're later looking up the supplemental groups for a user.
Support clearing supplemental groups, either implicitly for
unknown users, or explicitly when --groups='' is specified.
* tests/misc/chroot-credentials.sh: Various new test cases
* doc/coreutils.texi (chroot invocation): Adjust for the new behavior.
* NEWS: Mention the change in behavior.
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This allows chroot to be used as a light weight tool
to change user identification for a command,
while not changing the current working directory.
It also makes `chroot / true` consistently succeed on
all platforms for non root users.
* src/chroot.c (main): If the same root is specified. i.e. '/'
then don't change the current working directory, and avoid the
overhead of the other redundant calls.
* tests/misc/chroot-fail.sh: Remove failure guard previously
needed on some systems. Also add an explicit case to ensure
we don't change directory.
* NEWS: Mention the change in behavior.
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* src/df.c (decode_output_arg): Use only enum constants to avoid
clang "warning: comparison of constant -1 with expression of
type 'display_field_t' is always false"
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Linux with network namespaces contains entries in /proc/mounts like:
proc net:[4026532464] proc rw,nosuid,nodev,noexec,relatime 0 0
resulting in a failure to stat 'net:[...]', inducing a warning
and an exit with failure status.
* src/df.c (get_dev): Ignore all relative mount points.
* tests/df/skip-duplicates.sh: Add an entry to test relative dirs.
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