From owner-cvs-src@FreeBSD.ORG Sun Feb 4 16:32:52 2007 Return-Path: X-Original-To: cvs-src@FreeBSD.org Delivered-To: cvs-src@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 5E2E216A400; Sun, 4 Feb 2007 16:32:52 +0000 (UTC) (envelope-from bms@FreeBSD.org) Received: from repoman.freebsd.org (repoman.freebsd.org [69.147.83.41]) by mx1.freebsd.org (Postfix) with ESMTP id 506A213C46B; Sun, 4 Feb 2007 16:32:52 +0000 (UTC) (envelope-from bms@FreeBSD.org) Received: from repoman.freebsd.org (localhost [127.0.0.1]) by repoman.freebsd.org (8.13.6/8.13.6) with ESMTP id l14GWlC2033521; Sun, 4 Feb 2007 16:32:47 GMT (envelope-from bms@repoman.freebsd.org) Received: (from bms@localhost) by repoman.freebsd.org (8.13.6/8.13.4/Submit) id l14GWlwX033519; Sun, 4 Feb 2007 16:32:47 GMT (envelope-from bms) Message-Id: <200702041632.l14GWlwX033519@repoman.freebsd.org> From: Bruce M Simpson Date: Sun, 4 Feb 2007 16:32:47 +0000 (UTC) To: src-committers@FreeBSD.org, cvs-src@FreeBSD.org, cvs-all@FreeBSD.org X-FreeBSD-CVS-Branch: HEAD Cc: Subject: cvs commit: src/sys/net if_tap.c if_tun.c src/share/man/man4 tap.4 tun.4 X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 04 Feb 2007 16:32:52 -0000 bms 2007-02-04 16:32:46 UTC FreeBSD src repository Modified files: sys/net if_tap.c if_tun.c share/man/man4 tap.4 tun.4 Log: Implement ifnet cloning for tun(4)/tap(4). Make devfs cloning a sysctl/tunable which defaults to on. If devfs cloning is enabled, only the super-user may create tun(4)/tap(4)/vmnet(4) instances. Devfs cloning is still enabled by default; it may be disabled from the loader or via sysctl with "net.link.tap.devfs_cloning" and "net.link.tun.devfs_cloning". Disabling its use affects potentially all tun(4)/tap(4) consumers including OpenSSH, OpenVPN and VMware. PR: 105228 (potentially also 90413, 105570) Submitted by: Landon Fuller Tested by: Andrej Tobola Approved by: core (rwatson) MFC after: 4 weeks Revision Changes Path 1.18 +32 -5 src/share/man/man4/tap.4 1.24 +33 -4 src/share/man/man4/tun.4 1.69 +126 -32 src/sys/net/if_tap.c 1.162 +77 -7 src/sys/net/if_tun.c