From nobody Tue Jul 29 15:16:48 2025 X-Original-To: dev-commits-src-branches@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 4brzTX5KDGz635cj; Tue, 29 Jul 2025 15:16:48 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (4096 bits) client-digest SHA256) (Client CN "mxrelay.nyi.freebsd.org", Issuer "R10" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4brzTX4T93z3NqV; Tue, 29 Jul 2025 15:16:48 +0000 (UTC) (envelope-from git@FreeBSD.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1753802208; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=gZEV/C4Jc5hChcn1My9xPiBiFf9HyB0Ey70GG3h9TG8=; b=SDgi8yNl2nsSKqej2yzPqzI0wgufq0VuLMiBYf93/nQBWXX6BYje7LsLoyId7wJav6FGeH 4SZlMMHROLVNe45WWJf0046GLv2VPjhb/qw7dfU1zS30S/5GqJb2WZSL+D2/FxrRTIBLM/ lpsOuSWbNOJ7iqMasimf2vB+Gtm4vr02GWDS0H5RUR2yXuqyRiHcdcPuJ/KTwjqzBnSgWH 4x3BXziCsgCSHpBZw+YewlE81Ttkpy+PpWBAxg4ihYl/9YUm8MZ2IyC4kLFYGq666mYEwF qI4+CUfhsiYA07oNAejrTzdK4/D/JZs/5a2VxFgReABXTl8OVQyJfNRppUfwog== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=freebsd.org; s=dkim; t=1753802208; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding; bh=gZEV/C4Jc5hChcn1My9xPiBiFf9HyB0Ey70GG3h9TG8=; b=yNJrIL254GmeJoYmCGxdCkcsJxHpz4tUiixinlv4UXxEB3L8YFsCwOsRe9pJ3FX0UxV5lY 9zV87sEh5G/1q8hy0LDJI0WVuOTXeNRHcTI/9qZJOfgkgtzxqYWxc/mez/3Jc7aCCz/sNE c74Qz3sc5I+RXxVDH08oeOTYhCFlcQgvPfjFIsJiARlnmX5IP63AKtqfGg1hTRNgvn3XCt 5V+Q/XFcnN6SzkQuTSpa1q8cet8GhNbL5QBmEFs/LaQd9c4hzQj72doXmdEYHy/lB3sRa5 f3ZZFF9WdZONZHcqDPpn0nV+0kAuJAf+K1qfVDxnk+YI0l3XVNr1FbBa1QrAaw== ARC-Authentication-Results: i=1; mx1.freebsd.org; none ARC-Seal: i=1; s=dkim; d=freebsd.org; t=1753802208; a=rsa-sha256; cv=none; b=VcXOyNLF84/O0YWYlyVhvItWv0uRYQ6bKZTw+PmDqKTofRMbjsVOo7umhFzNv82KG/sFmv a5/04PKGnjIf8hHPPnLCLp+WZ9+SiwMMoCdiDulB+HR6XAcRi6e1Qw14NmiKKPJPp5hpIh aUAtmJfMPPUllzBkyYKUwribPGIS0xisMOBwUuPwRNeiXeG/ylBH3YkWZrzf9cH4/1XIhW YCucUh0ZI0JzHG3ebs8t7WfDUZjW7YWJzfRd/eyhf3q+lzs7FVTnDJj/1SyxellatOjHdI rTmFYUJEXxGRaYcCzZzWSyY5vNlXAmnJPToKYPriRTZQz/ii7lY7KMUG+gFVGw== Received: from gitrepo.freebsd.org (gitrepo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:5]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (Client did not present a certificate) by mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id 4brzTX3VSYzd1k; Tue, 29 Jul 2025 15:16:48 +0000 (UTC) (envelope-from git@FreeBSD.org) Received: from gitrepo.freebsd.org ([127.0.1.44]) by gitrepo.freebsd.org (8.18.1/8.18.1) with ESMTP id 56TFGm4H018090; Tue, 29 Jul 2025 15:16:48 GMT (envelope-from git@gitrepo.freebsd.org) Received: (from git@localhost) by gitrepo.freebsd.org (8.18.1/8.18.1/Submit) id 56TFGme3018087; Tue, 29 Jul 2025 15:16:48 GMT (envelope-from git) Date: Tue, 29 Jul 2025 15:16:48 GMT Message-Id: <202507291516.56TFGme3018087@gitrepo.freebsd.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-branches@FreeBSD.org From: Ed Maste Subject: git: 5aaaa1a61024 - stable/14 - beep: Capsicumize List-Id: Commits to the stable branches of the FreeBSD src repository List-Archive: https://lists.freebsd.org/archives/dev-commits-src-branches List-Help: List-Post: List-Subscribe: List-Unsubscribe: X-BeenThere: dev-commits-src-branches@freebsd.org Sender: owner-dev-commits-src-branches@FreeBSD.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit X-Git-Committer: emaste X-Git-Repository: src X-Git-Refname: refs/heads/stable/14 X-Git-Reftype: branch X-Git-Commit: 5aaaa1a61024bb13aafef1716a4fb10f31147b6b Auto-Submitted: auto-generated The branch stable/14 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=5aaaa1a61024bb13aafef1716a4fb10f31147b6b commit 5aaaa1a61024bb13aafef1716a4fb10f31147b6b Author: Ed Maste AuthorDate: 2025-06-05 23:44:05 +0000 Commit: Ed Maste CommitDate: 2025-07-29 14:19:49 +0000 beep: Capsicumize While it's unlikely that beep(1) will be used in a context where a sandbox is particularly valuable, it does offer a simple demonstration of entering a capability sandbox after opening required fds, and is trivial to do. Reviewed by: christos Event: Kitchener-Waterloo Hackathon 202506 Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D50709 (cherry picked from commit 54eda43cc1e6b1d73804b6c397a15002e3519555) --- usr.bin/beep/beep.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/usr.bin/beep/beep.c b/usr.bin/beep/beep.c index 0bdfe2cf97a7..9d274770ad75 100644 --- a/usr.bin/beep/beep.c +++ b/usr.bin/beep/beep.c @@ -25,6 +25,7 @@ #include +#include #include #include #include @@ -204,6 +205,9 @@ main(int argc, char **argv) if (f < 0) err(1, "Failed to open '%s'", oss_dev); + if (caph_enter() == -1) + err(1, "Failed to enter capability mode"); + c = 1; /* mono */ if (ioctl(f, SOUND_PCM_WRITE_CHANNELS, &c) != 0) errx(1, "ioctl SOUND_PCM_WRITE_CHANNELS(1) failed");