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Konstantin Belousov 71421dc116 Verify that '..' still exists with the same inode number after
VFS_VGET() has returned in ufs_lookup(). If the '..' lookup started
immediately before the parent directory was removed, we might return
either cleared or unrelated inode otherwise.

Ufs_lookup() is split into new function ufs_lookup_() that either does
lookup, or verifies that directory entry exists and references supplied
inode number.

Reviewed by:	tegge
Tested by:	pho,
	Andreas Tobler <andreast-list fgznet ch> (previous version)
MFC after:	1 month
2009-04-16 09:57:08 +00:00
bin Parse 'cmd1 && ! cmd2 | cmd3' correctly, the bang should apply to the entire 2009-04-13 19:10:56 +00:00
cddl Switch over to gnu99 compilation on default for userland. 2009-03-14 17:55:16 +00:00
contrib Revert previous commit that commented out some bpf functions. 2009-04-11 17:36:11 +00:00
crypto Prevent cross-site forgery attacks on lukemftpd(8) due to splitting 2009-01-07 20:17:55 +00:00
etc - Add ipfw_nat to the list of required modules if "firewall_nat_enable" 2009-03-30 21:31:52 +00:00
games Too good to pass. 2009-03-06 13:24:54 +00:00
gnu Fix build breakage due to the interplay between r189801 and r189824. 2009-03-14 22:50:03 +00:00
include GNU Pth has some fragile kludges that were broken by r189828. 2009-04-11 16:57:50 +00:00
kerberos5 Add strndup(3) prototype to string.h. 2008-12-08 21:04:24 +00:00
lib There is no way for strmode(3) to append '+' if the file has ACL, 2009-04-14 11:39:56 +00:00
libexec Currently, when mapping an object, rtld reserves the whole address space 2009-04-10 10:14:04 +00:00
release Autogenerate hardware notes for the uath(4) driver. 2009-04-07 20:12:15 +00:00
rescue Remove if_ppp(4) and if_sl(4). 2009-04-05 22:08:18 +00:00
sbin The structs ifaliasreq and in_aliasreq have exactly the same layout and 2009-04-15 20:53:34 +00:00
secure Enable getaudit_addr(2) for sshd again. This will un-break the subject 2008-11-30 15:35:24 +00:00
share MFV of tzdata2009f 2009-04-14 08:15:39 +00:00
sys Verify that '..' still exists with the same inode number after 2009-04-16 09:57:08 +00:00
tools no more need for -p option to wlanwds; it knows how to find the parent now 2009-04-15 22:11:04 +00:00
usr.bin Don't exit until all truss children were exit. 2009-04-13 16:23:32 +00:00
usr.sbin Add release package directories for 6.4 and 7.2. 2009-04-15 17:14:43 +00:00
COPYRIGHT Bump the odometer of the years. A little early this year for 7.1R. 2008-12-30 04:46:25 +00:00
LOCKS Update LOCKS syntax. 2008-06-05 19:47:58 +00:00
MAINTAINERS Replace anholt with myself as drm maintainer. 2009-03-20 18:51:13 +00:00
Makefile Add a new world named 'mips' to our universe. 2009-04-01 17:11:50 +00:00
Makefile.inc1 Revert c190007 at the request of Ruslan. It was not correct because 2009-04-05 00:24:49 +00:00
ObsoleteFiles.inc - fix my previous commit (added missing .gz) 2009-04-10 22:15:01 +00:00
README Simply running ``make world'' will bomb unless you dig up the 2006-06-07 03:33:48 +00:00
UPDATING - add second flags field to to inpcb 2009-04-15 22:09:42 +00:00

This is the top level of the FreeBSD source directory.  This file
was last revised on:
$FreeBSD$

For copyright information, please see the file COPYRIGHT in this
directory (additional copyright information also exists for some
sources in this tree - please see the specific source directories for
more information).

The Makefile in this directory supports a number of targets for
building components (or all) of the FreeBSD source tree, the most
commonly used one being ``world'', which rebuilds and installs
everything in the FreeBSD system from the source tree except the
kernel, the kernel-modules and the contents of /etc.  The ``world''
target should only be used in cases where the source tree has not
changed from the currently running version.  See:
http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html
for more information, including setting make(1) variables.

The ``buildkernel'' and ``installkernel'' targets build and install
the kernel and the modules (see below).  Please see the top of
the Makefile in this directory for more information on the
standard build targets and compile-time flags.

Building a kernel is a somewhat more involved process, documentation
for which can be found at:
   http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html
And in the config(8) man page.
Note: If you want to build and install the kernel with the
``buildkernel'' and ``installkernel'' targets, you might need to build
world before.  More information is available in the handbook.

The sample kernel configuration files reside in the sys/<arch>/conf
sub-directory (assuming that you've installed the kernel sources), the
file named GENERIC being the one used to build your initial installation
kernel.  The file NOTES contains entries and documentation for all possible
devices, not just those commonly used.  It is the successor of the ancient
LINT file, but in contrast to LINT, it is not buildable as a kernel but a
pure reference and documentation file.


Source Roadmap:
---------------
bin		System/user commands.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

games		Amusements.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

sys		Kernel sources.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.


For information on synchronizing your source tree with one or more of
the FreeBSD Project's development branches, please see:

  http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/synching.html