Date: Tue, 7 May 2024 13:10:06 GMT From: Ed Maste <emaste@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: d84fd89ecd40 - main - dlopen(3): mention fdlopen for capsicum(4) Message-ID: <202405071310.447DA6qH047918@gitrepo.freebsd.org>
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The branch main has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=d84fd89ecd404ffbf629381d2dde14fd79b39402 commit d84fd89ecd404ffbf629381d2dde14fd79b39402 Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2024-05-07 01:45:50 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2024-05-07 13:09:59 +0000 dlopen(3): mention fdlopen for capsicum(4) Capsicum-sandboxed applications generally cannot use dlopen, as absolute and cwd-relative paths cannot be accessed. Mention that fdlopen is useful for sandboxed applications. PR: 277169 Reviewed by: markj, oshogbo Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D45108 --- lib/libc/gen/dlopen.3 | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/lib/libc/gen/dlopen.3 b/lib/libc/gen/dlopen.3 index 9871029a84b5..340545114114 100644 --- a/lib/libc/gen/dlopen.3 +++ b/lib/libc/gen/dlopen.3 @@ -29,7 +29,7 @@ .\" .\" Copyright (c) 1991 Sun Microsystems, Inc. .\" -.Dd May 14, 2020 +.Dd May 7, 2024 .Dt DLOPEN 3 .Os .Sh NAME @@ -199,6 +199,10 @@ The function can be used by the code that needs to perform additional checks on the loaded objects, to prevent races with symlinking or renames. +Applications sandboxed using +.Xr capsicum 4 +can also make beneficial use of +.Fn fdlopen . .Pp The .Fn dlsym
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