git: 870735c46b15 - stable/12 - capsicum: briefly describe capabilities in man page
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Date: Tue, 26 Apr 2022 00:55:24 UTC
The branch stable/12 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=870735c46b15feb7bac967b73c548f3732a7a545 commit 870735c46b15feb7bac967b73c548f3732a7a545 Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2022-04-19 19:44:46 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2022-04-26 00:55:12 +0000 capsicum: briefly describe capabilities in man page Provide a very brief introduction to capabilities, using a couple of sentences from David Chisnall's mailing list response[1] to a question about Linux capabilities and Capsicum. Mailing list subject (in case the archive URL changes) was Re: Linux capabilities to Capsicum [1] https://lists.freebsd.org/archives/freebsd-hackers/2022-April/001032.html Reviewed by: oshogbo MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D34945 (cherry picked from commit 1f568792c6156988d357ea31a36d77ed11cc9a2d) --- share/man/man4/capsicum.4 | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/share/man/man4/capsicum.4 b/share/man/man4/capsicum.4 index 0dbd3067e0ea..d9ff9c489fd0 100644 --- a/share/man/man4/capsicum.4 +++ b/share/man/man4/capsicum.4 @@ -26,7 +26,7 @@ .\" .\" $FreeBSD$ .\" -.Dd May 18, 2017 +.Dd April 19, 2022 .Dt CAPSICUM 4 .Os .Sh NAME @@ -39,6 +39,11 @@ .Nm is a lightweight OS capability and sandbox framework implementing a hybrid capability system model. +Capabilities are unforgeable tokens of authority that can be delegated and must +be presented to perform an action. +.Nm +makes file descriptors into capabilities. +.Pp .Nm can be used for application and library compartmentalisation, the decomposition of larger bodies of software into isolated (sandboxed)