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Wed, 18 Oct 2023 18:03:53 GMT (envelope-from git) Date: Wed, 18 Oct 2023 18:03:53 GMT Message-Id: <202310181803.39II3rBO044860@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Mitchell Horne Subject: git: 67d1f6f40a55 - releng/14.0 - prison_check(9): Bring up-to-date with hierarchical jails List-Id: Commit messages for all branches of the src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-all List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-dev-commits-src-all@freebsd.org X-BeenThere: dev-commits-src-all@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: mhorne X-Git-Repository: src X-Git-Refname: refs/heads/releng/14.0 X-Git-Reftype: branch X-Git-Commit: 67d1f6f40a555b7099034283da481a92c53f4f3f Auto-Submitted: auto-generated The branch releng/14.0 has been updated by mhorne: URL: https://cgit.FreeBSD.org/src/commit/?id=67d1f6f40a555b7099034283da481a92c53f4f3f commit 67d1f6f40a555b7099034283da481a92c53f4f3f Author: Olivier Certner AuthorDate: 2023-08-17 23:54:44 +0000 Commit: Mitchell Horne CommitDate: 2023-10-18 18:01:33 +0000 prison_check(9): Bring up-to-date with hierarchical jails Approved by: re (gjb) Reviewed by: bcr, emaste, pauamma_gundo.com, mhorne Sponsored by: Kumacom SAS Differential Revision: https://reviews.freebsd.org/D40639 (cherry picked from commit e9fdd494537ca45b14e0917e8bb1595b6460f3a3) (cherry picked from commit a2d43cef988b9f2cf3d0edf6608a0dd5f2e2b9bc) --- share/man/man9/prison_check.9 | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/share/man/man9/prison_check.9 b/share/man/man9/prison_check.9 index b3bdcf6b4571..7f174e3ceb2e 100644 --- a/share/man/man9/prison_check.9 +++ b/share/man/man9/prison_check.9 @@ -25,22 +25,23 @@ .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF .\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. .\" -.Dd December 11, 2003 +.Dd August 18, 2023 .Dt PRISON_CHECK 9 .Os .Sh NAME .Nm prison_check -.Nd determine if two credentials belong to the same jail +.Nd determine if subjects may see entities according to jail restrictions .Sh SYNOPSIS .In sys/jail.h .Ft int .Fn prison_check "struct ucred *cred1" "struct ucred *cred2" .Sh DESCRIPTION -This function can be used to determine if the two credentials +This function determines if a subject with credentials .Fa cred1 -and +is denied access to subjects or objects with credentials .Fa cred2 -belong to the same jail. +according to the policy that a subject can see subjects or objects in its own +jail or any sub-jail of it. .Sh RETURN VALUES The .Fn prison_check @@ -48,12 +49,9 @@ function returns .Er ESRCH if -.Fa cred1 -has been jailed, and -.Fa cred1 -and .Fa cred2 -do not belong to the same jail. +is not in the same jail or a sub-jail of that of +.Fa cred1 . In all other cases, .Fn prison_check returns zero.