This change was erronously ommitted from the r185690, and attempt
to simply add the prototype to string.h has revealed that several
contributed programs defined local prototypes for strndup(), controlled
by autoconfed config.h. So, manually change #undef HAVE_STRNDUP to
#define HAVE_STRNDUP 1. Next import of the corresponding program would
regenerate config.h, overriding the changes in this commit.
No objections from: kan
wc utility. The -L option can be used to report the length of
the longest line wc has seen in one or more files. It is
disabled by default, and wc uses the standard `-lwc'.
Submitted by: Sheldon Givens, sheldon at sigsegv.ca
Reviewed by: kib
MFC after: 1 week
This changes struct kinfo_filedesc and kinfo_vmentry such that they are
same on both 32 and 64 bit platforms like i386/amd64 and won't require
sysctl wrapping.
Two new OIDs are assigned. The old ones are available under
COMPAT_FREEBSD7 - but it isn't that simple. The superceded interface
was never actually released on 7.x.
The other main change is to pack the data passed to userland via the
sysctl. kf_structsize and kve_structsize are reduced for the copyout.
If you have a process with 100,000+ sockets open, the unpacked records
require a 132MB+ copyout. With packing, it is "only" ~35MB. (Still
seriously unpleasant, but not quite as devastating). A similar problem
exists for the vmentry structure - have lots and lots of shared libraries
and small mmaps and its copyout gets expensive too.
My immediate problem is valgrind. It traditionally achieves this
functionality by parsing procfs output, in a packed format. Secondly, when
tracing 32 bit binaries on amd64 under valgrind, it uses a cross compiled
32 bit binary which ran directly into the differing data structures in 32
vs 64 bit mode. (valgrind uses this to track file descriptor operations
and this therefore affected every single 32 bit binary)
I've added two utility functions to libutil to unpack the structures into
a fixed record length and to make it a little more convenient to use.
* Lookup uname/gname if not provided by the archive (I copied the
uname/gname lookup cache from bsdtar)
* Format device number instead of size for device nodes
* Format date.
There's still a few improvements that I could copy from
bsdtar, especially the locale-aware safe_fprintf() code
and the locale-aware setup for day_first date formatting.
(And, of course, I need to think through a clean way to
push this stuff down into libarchive.)
Thanks to Peter Wemm for reminding me of this overlooked TODO item.
are safe to print, try to take into account the current locale.
This iterates over output strings using mbtowc() to identify
multi-byte sequences. If iswprint() claims the corresponding
wide character is printable, the original bytes are passed
through. Otherwise, we expand characters into C-style
\-escape sequences.
Submitted by: Michihiro NAKAJIMA
MFC after: 30 days
Bring in updated jail support from bz_jail branch.
This enhances the current jail implementation to permit multiple
addresses per jail. In addtion to IPv4, IPv6 is supported as well.
Due to updated checks it is even possible to have jails without
an IP address at all, which basically gives one a chroot with
restricted process view, no networking,..
SCTP support was updated and supports IPv6 in jails as well.
Cpuset support permits jails to be bound to specific processor
sets after creation.
Jails can have an unrestricted (no duplicate protection, etc.) name
in addition to the hostname. The jail name cannot be changed from
within a jail and is considered to be used for management purposes
or as audit-token in the future.
DDB 'show jails' command was added to aid debugging.
Proper compat support permits 32bit jail binaries to be used on 64bit
systems to manage jails. Also backward compatibility was preserved where
possible: for jail v1 syscalls, as well as with user space management
utilities.
Both jail as well as prison version were updated for the new features.
A gap was intentionally left as the intermediate versions had been
used by various patches floating around the last years.
Bump __FreeBSD_version for the afore mentioned and in kernel changes.
Special thanks to:
- Pawel Jakub Dawidek (pjd) for his multi-IPv4 patches
and Olivier Houchard (cognet) for initial single-IPv6 patches.
- Jeff Roberson (jeff) and Randall Stewart (rrs) for their
help, ideas and review on cpuset and SCTP support.
- Robert Watson (rwatson) for lots and lots of help, discussions,
suggestions and review of most of the patch at various stages.
- John Baldwin (jhb) for his help.
- Simon L. Nielsen (simon) as early adopter testing changes
on cluster machines as well as all the testers and people
who provided feedback the last months on freebsd-jail and
other channels.
- My employer, CK Software GmbH, for the support so I could work on this.
Reviewed by: (see above)
MFC after: 3 months (this is just so that I get the mail)
X-MFC Before: 7.2-RELEASE if possible
fchdir() to return back to the parent. If those fail,
we're just dead in the water. Add a new error value
TREE_ERROR_FATAL to indicate that directory traversal
cannot continue. Have write.c honor that by exiting
immediately.
MFC after: 30 days
that should result in a non-zero return value.
In particular, this should address the issue that David Wolfskill
ran into with a somewhat flaky NFS mount resulting in a damaged
archive even though tar returned success.
MFC after: 4 days
This bring huge amount of changes, I'll enumerate only user-visible changes:
- Delegated Administration
Allows regular users to perform ZFS operations, like file system
creation, snapshot creation, etc.
- L2ARC
Level 2 cache for ZFS - allows to use additional disks for cache.
Huge performance improvements mostly for random read of mostly
static content.
- slog
Allow to use additional disks for ZFS Intent Log to speed up
operations like fsync(2).
- vfs.zfs.super_owner
Allows regular users to perform privileged operations on files stored
on ZFS file systems owned by him. Very careful with this one.
- chflags(2)
Not all the flags are supported. This still needs work.
- ZFSBoot
Support to boot off of ZFS pool. Not finished, AFAIK.
Submitted by: dfr
- Snapshot properties
- New failure modes
Before if write requested failed, system paniced. Now one
can select from one of three failure modes:
- panic - panic on write error
- wait - wait for disk to reappear
- continue - serve read requests if possible, block write requests
- Refquota, refreservation properties
Just quota and reservation properties, but don't count space consumed
by children file systems, clones and snapshots.
- Sparse volumes
ZVOLs that don't reserve space in the pool.
- External attributes
Compatible with extattr(2).
- NFSv4-ACLs
Not sure about the status, might not be complete yet.
Submitted by: trasz
- Creation-time properties
- Regression tests for zpool(8) command.
Obtained from: OpenSolaris
specification and regression test regress:25.
"A function can be preceded by one or more '!' characters, in which
case the function shall be applied if the addresses do not select
the pattern space."
MFC after: 2 weeks
subtle why it comes out the way it does. Once you realize that it
depends on the archiving order, it's also important to realize that
filesystem differences aren't going to break this case. (Some of the
other tests have had to be extensively rewritten to make them
independent of the order in which a particular filesystem returns file
entries.)
(This commit also serves to note the PR number that I accidentally
omitted from the previous commit.)
PR: bin/128562
MFC after: 30 days
good job writing this test; it exercises a lot of subtle cases. The
trickiest one is that a hardlink to something that didn't get
extracted should not itself be extracted. In some sense, this is not
the desired behavior (we'd rather restore the file), but it's the best
you can do in a single-pass restore of a tar archive.
The test here should be extended to exercise cpio and newc formats as
well, since their hardlink models are different, which will lead to
different handling of some of these edge cases.
Submitted by: Jaakko Heinonen
MFC after: 30 days
parenthesized subexpression is defined. For example, the
following command line caused unexpected behavior like
segmentation fault:
% echo test | sed -e 's/test/\1/'
PR: bin/126682
MFC after: 1 week
This replaces the getopt()/getopt_long() wrapper, the old-style
argument rewriter and the associated configuration glue with a more
straightforward custom command parser. In particular, this ensures
that bsdtar will have consistent option parsing on every platform,
regardless of whether the platform supports getopt_long().
MFC after: 30 days
-A Display the apparent size instead of the disk usage. This can be
helpful when operating on compressed volumes or sparse files.
-B blocksize
Calculate block counts in blocksize byte blocks. This is differ-
ent from the -k, -m options or setting BLOCKSIZE and gives an
estimate of how much space the examined file hierachy would
require on a filesystem with the given blocksize. Unless in -A
mode, blocksize is rounded up to the next multiple of 512.
The former is similar to GNU's du(1) --apparent-size. The latter is
different from what GNU's du(1) -B does, which is equivalent to setting
BLOCKSIZE in our implementation and is rather pointless as it doesn't add
any real value (i.e. you can achieve the same with a simple awk-script).
No change in the normal output or processing.
Reviewed by: keramida@, Peter French
Otherwise silience from: freebsd-hackers@
from Jaakko's original patch: I have misgivings about the portability
of the 'z' printf modifier so opted to cast the arguments to (int)
instead.
PR: bin/128561
Submitted by: Jaakko Heinonen
MFC after: 30 days
Use ioctl() to get the window size in vmstat(8), and force a new
header to be prepended to the output every time the current window
size changes. Change the number of lines before each header to the
current lines of the terminal when the terminal is resized, so that
the full terminal length can be used for output lines.
Inspired by: svn change 175562 (same feature for iostat)
Reviewed by: ru (who fixed some of my bugs too)
MFC after: 1 week
control over the result of buildworld and installworld; this especially
helps packaging systems such as nanobsd
Reviewed by: various (posted to arch)
MFC after: 1 month
script mode like the MRI(Microtec Research Inc.) "librarian" program.
Originally this option is provided by Binutils ar(1) to ease the
transition for developers who are used to writing "librarian" scripts.
We added this option to BSD ar(1) because:
1. Further improve the compatibility with Binutils ar(1).
2. There are still a few software using this -M option. (at least one
in our ports collection)
Suggested by: rink & erwin
HAVE_STRUCT_STAT_ST_FLAGS, Linux support depends on the
existence of the appropriate ioctl() options. In particular,
this should fix some nagging compile errors on Linux platforms
that don't have e2fsprogs-devel installed.
In particular:
* tar -x -P follows symlinks to existing dirs, but not without -P
* symlinks to files are always replaced
* broken symlinks are always replaced
