From 1004b0cc614acbb1b43c89fc5aef9864d3f8ed5c Mon Sep 17 00:00:00 2001 From: Juan RP Date: Wed, 6 Jul 2011 17:07:31 +0200 Subject: [PATCH] xbps-src: added license to xbps-src-capchroot helper. --- xbps-src/libexec/chroot.c | 33 +++++++++++++++++++++++++++++++-- 1 file changed, 31 insertions(+), 2 deletions(-) diff --git a/xbps-src/libexec/chroot.c b/xbps-src/libexec/chroot.c index e332e27ca94..b580366010a 100644 --- a/xbps-src/libexec/chroot.c +++ b/xbps-src/libexec/chroot.c @@ -1,8 +1,35 @@ +/*- + * Copyright (c) 2010-2011 Juan Romero Pardines. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + /* * chroot() to target directory by using the CAP_CHROOT * capability set on the file. * - * Juan RP - 2010/04/26 - Public Domain. + * As security measure it only allows to chroot when the target directory + * is owned by the same user executing the process and it has read/write + * permission on it. */ #include #include @@ -15,10 +42,12 @@ #include #include +#define _PROGNAME "xbps-src-capchroot" + void usage(void) { - fprintf(stderr, "Usage: xbps-src-capchroot \n"); + fprintf(stderr, "Usage: %s \n", _PROGNAME); exit(EXIT_FAILURE); }