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Jamie Gritton 0304c73163 Add hierarchical jails. A jail may further virtualize its environment
by creating a child jail, which is visible to that jail and to any
parent jails.  Child jails may be restricted more than their parents,
but never less.  Jail names reflect this hierarchy, being MIB-style
dot-separated strings.

Every thread now points to a jail, the default being prison0, which
contains information about the physical system.  Prison0's root
directory is the same as rootvnode; its hostname is the same as the
global hostname, and its securelevel replaces the global securelevel.
Note that the variable "securelevel" has actually gone away, which
should not cause any problems for code that properly uses
securelevel_gt() and securelevel_ge().

Some jail-related permissions that were kept in global variables and
set via sysctls are now per-jail settings.  The sysctls still exist for
backward compatibility, used only by the now-deprecated jail(2) system
call.

Approved by:	bz (mentor)
2009-05-27 14:11:23 +00:00
bin Fix various cases with 3 or 4 parameters in test(1) to be POSIX compliant. 2009-05-26 22:33:10 +00:00
cddl Add the OpenSolaris lockstat(1M) command. Requires the dtrace driver, 2009-05-27 01:30:23 +00:00
contrib Merge local changes to ee(1) into contrib space. 2009-05-26 21:06:51 +00:00
crypto Upgrade to OpenSSH 5.2p1. 2009-05-22 18:46:28 +00:00
etc Further idmapd garbage collection -- remove rc.d Makefile reference and 2009-05-22 13:56:16 +00:00
games Too good to pass. 2009-03-06 13:24:54 +00:00
gnu Change the internal buffer used to store input lines from a static buffer 2009-05-08 02:18:46 +00:00
include Modify src/etc/mtree/BSD.include.dist and src/include/Makefile 2009-05-21 16:27:47 +00:00
kerberos5 Add strndup(3) prototype to string.h. 2008-12-08 21:04:24 +00:00
lib Add hierarchical jails. A jail may further virtualize its environment 2009-05-27 14:11:23 +00:00
libexec Per the man page: 2009-05-26 00:07:02 +00:00
release nge(4) should work on all archs now. 2009-05-21 10:04:51 +00:00
rescue Add zfs/zpool to rescue programs 2009-05-23 00:47:23 +00:00
sbin Bump the document date to reflect the 'p' command enhancements. 2009-05-25 21:27:31 +00:00
secure Upgrade to OpenSSH 5.2p1. 2009-05-22 18:46:28 +00:00
share MFV of tzdata2009h: 2009-05-27 10:02:07 +00:00
sys Add hierarchical jails. A jail may further virtualize its environment 2009-05-27 14:11:23 +00:00
tools Add the regression test for bin/date. 2009-05-27 12:31:55 +00:00
usr.bin Merge local changes to ee(1) into contrib space. 2009-05-26 21:06:51 +00:00
usr.sbin MFV of tzcode2009h revision r192887 2009-05-27 12:18:39 +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 Vendor import of ee 1.4.2. 2009-05-26 18:50:01 +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 Add more obsolete files, old NFSv4 client and legacy USB related. 2009-05-23 16:54:07 +00:00
README
UPDATING Add hierarchical jails. A jail may further virtualize its environment 2009-05-27 14:11:23 +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