From owner-svn-src-head@freebsd.org Fri Dec 16 01:37:46 2016 Return-Path: Delivered-To: svn-src-head@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id F2CCCC825D5; Fri, 16 Dec 2016 01:37:45 +0000 (UTC) (envelope-from cem@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id C268D1A4B; Fri, 16 Dec 2016 01:37:45 +0000 (UTC) (envelope-from cem@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id uBG1bivF012692; Fri, 16 Dec 2016 01:37:44 GMT (envelope-from cem@FreeBSD.org) Received: (from cem@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id uBG1biQ5012691; Fri, 16 Dec 2016 01:37:44 GMT (envelope-from cem@FreeBSD.org) Message-Id: <201612160137.uBG1biQ5012691@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: cem set sender to cem@FreeBSD.org using -f From: "Conrad E. Meyer" Date: Fri, 16 Dec 2016 01:37:44 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r310135 - head/lib/libcapsicum X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-head@freebsd.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: SVN commit messages for the src tree for head/-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 16 Dec 2016 01:37:46 -0000 Author: cem Date: Fri Dec 16 01:37:44 2016 New Revision: 310135 URL: https://svnweb.freebsd.org/changeset/base/310135 Log: capsicum_helpers: Add LOOKUP flag Add a helper routine for opening a directory that is restricted to being used for opening relative files as stdio streams. I think this will really help basic adaptation of multi-file programs to Capsicum. Rather than having each program initialize a rights object and ioctl/fcntl arrays for their root fd for relative opens, consolidate in the logical place. Reviewed by: oshogbo@ Sponsored by: Dell EMC Isilon Differential Revision: https://reviews.freebsd.org/D8743 Modified: head/lib/libcapsicum/capsicum_helpers.h Modified: head/lib/libcapsicum/capsicum_helpers.h ============================================================================== --- head/lib/libcapsicum/capsicum_helpers.h Fri Dec 16 01:14:00 2016 (r310134) +++ head/lib/libcapsicum/capsicum_helpers.h Fri Dec 16 01:37:44 2016 (r310135) @@ -41,6 +41,7 @@ #define CAPH_IGNORE_EBADF 0x0001 #define CAPH_READ 0x0002 #define CAPH_WRITE 0x0004 +#define CAPH_LOOKUP 0x0008 static __inline int caph_limit_stream(int fd, int flags) @@ -54,6 +55,8 @@ caph_limit_stream(int fd, int flags) cap_rights_set(&rights, CAP_READ); if ((flags & CAPH_WRITE) != 0) cap_rights_set(&rights, CAP_WRITE); + if ((flags & CAPH_LOOKUP) != 0) + cap_rights_set(&rights, CAP_LOOKUP); if (cap_rights_limit(fd, &rights) < 0 && errno != ENOSYS) { if (errno == EBADF && (flags & CAPH_IGNORE_EBADF) != 0)