This builds on recently introduced NO_NEW_PRIVS flag to implement
unprivileged chroot, enabled by `security.bsd.unprivileged_chroot`.
It allows non-root processes to chroot(2), provided they have the
NO_NEW_PRIVS flag set.
The chroot(8) utility gets a new flag, -n, which sets NO_NEW_PRIVS
before chrooting.
Reviewed By: kib
Sponsored By: EPSRC
Relnotes: yes
Differential Revision: https://reviews.freebsd.org/D30130
but in System III in the AT&T world.
Examination of the TUHS archives shows this was present in 4.3-Reno
and System III.
Reviewed by: 0mp@, allanjude@
MFC After: 3 days
Differential Revision: https://reviews.freebsd.org/D25479
- Sort arguments in synopsis.
- Clarify that it is possible to specify arguments to the command (and that
they could be passed as further arguments to chroot(1)).
- Standardize the description of the flags.
- Improve formatting (e.g., do not use macros in strings specifying width).
- Add examples.
Reviewed by: bcr
Approved by: bcr (doc)
Approved by: krion (mentor, implicit), mat (mentor, implicit)
Differential Revision: https://reviews.freebsd.org/D19582
Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.
Submitted by: Jan Schaumann <jschauma@stevens.edu>
Pull Request: https://github.com/freebsd/freebsd/pull/96
track.
The Id line is normally at the bottom of the main comment block in the
man page, separated from the rest of the manpage by an empty comment,
like so;
.\" $Id$
.\"
If the immediately preceding comment is a @(#) format ID marker than the
the $Id$ will line up underneath it with no intervening blank lines.
Otherwise, an additional blank line is inserted.
Approved by: bde
