From 09274966f0145448d7edba4859b5dd55a9ce19ee Mon Sep 17 00:00:00 2001 From: Vincent Batts Date: Thu, 19 Jan 2017 19:52:19 +0000 Subject: [PATCH] system/bubblewrap: Added (unprivileged sandboxing tool). Signed-off-by: David Spencer --- system/bubblewrap/README | 8 ++ system/bubblewrap/bubblewrap.SlackBuild | 103 ++++++++++++++++++++++++ system/bubblewrap/bubblewrap.info | 10 +++ system/bubblewrap/slack-desc | 19 +++++ 4 files changed, 140 insertions(+) create mode 100644 system/bubblewrap/README create mode 100644 system/bubblewrap/bubblewrap.SlackBuild create mode 100644 system/bubblewrap/bubblewrap.info create mode 100644 system/bubblewrap/slack-desc diff --git a/system/bubblewrap/README b/system/bubblewrap/README new file mode 100644 index 0000000000..279bc9034d --- /dev/null +++ b/system/bubblewrap/README @@ -0,0 +1,8 @@ +Bubblewrap + +Many container runtime tools like systemd-nspawn, docker, etc. focus on +providing infrastructure for system administrators and orchestration tools +(e.g. Kubernetes) to run containers. + +These tools are not suitable to give to unprivileged users, because it is +trivial to turn such access into to a fully privileged root shell on the host. diff --git a/system/bubblewrap/bubblewrap.SlackBuild b/system/bubblewrap/bubblewrap.SlackBuild new file mode 100644 index 0000000000..4d6d29ee64 --- /dev/null +++ b/system/bubblewrap/bubblewrap.SlackBuild @@ -0,0 +1,103 @@ +#!/bin/sh + +# Slackware build script for bubblewrap + +# Copyright 2017 Vincent Batts +# All rights reserved. +# +# Redistribution and use of this script, with or without modification, is +# permitted provided that the following conditions are met: +# +# 1. Redistributions of this script must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# +# 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. + + +PRGNAM=bubblewrap +VERSION=${VERSION:-0.1.7} +BUILD=${BUILD:-1} +TAG=${TAG:-_SBo} + +if [ -z "$ARCH" ]; then + case "$( uname -m )" in + i?86) ARCH=i586 ;; + arm*) ARCH=arm ;; + *) ARCH=$( uname -m ) ;; + esac +fi + +CWD=$(pwd) +TMP=${TMP:-/tmp/SBo} +PKG=$TMP/package-$PRGNAM +OUTPUT=${OUTPUT:-/tmp} + +if [ "$ARCH" = "i586" ]; then + SLKCFLAGS="-O2 -march=i586 -mtune=i686" + LIBDIRSUFFIX="" +elif [ "$ARCH" = "i686" ]; then + SLKCFLAGS="-O2 -march=i686 -mtune=i686" + LIBDIRSUFFIX="" +elif [ "$ARCH" = "x86_64" ]; then + SLKCFLAGS="-O2 -fPIC" + LIBDIRSUFFIX="64" +else + SLKCFLAGS="-O2" + LIBDIRSUFFIX="" +fi + +set -e + +rm -rf $PKG +mkdir -p $TMP $PKG $OUTPUT +cd $TMP +rm -rf $PRGNAM-$VERSION +tar xvf $CWD/$PRGNAM-$VERSION.tar.xz +cd $PRGNAM-$VERSION +chown -R root:root . +find -L . \ + \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555 \ + -o -perm 511 \) -exec chmod 755 {} \; -o \ + \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444 \ + -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \; + +CFLAGS="$SLKCFLAGS" \ +CXXFLAGS="$SLKCFLAGS" \ +./configure \ + --prefix=/usr \ + --libdir=/usr/lib${LIBDIRSUFFIX} \ + --sysconfdir=/etc \ + --localstatedir=/var \ + --mandir=/usr/man \ + --docdir=/usr/doc/$PRGNAM-$VERSION \ + --build=$ARCH-slackware-linux + +make +make install DESTDIR=$PKG + +find $PKG -print0 | xargs -0 file | grep -e "executable" -e "shared object" | grep ELF \ + | cut -f 1 -d : | xargs strip --strip-unneeded 2> /dev/null || true + +find $PKG/usr/man -type f -exec gzip -9 {} \; +for i in $( find $PKG/usr/man -type l ) ; do ln -s $( readlink $i ).gz $i.gz ; rm $i ; done + +mkdir -p $PKG/usr/doc/$PRGNAM-$VERSION +cp -a \ + COPYING \ + $PKG/usr/doc/$PRGNAM-$VERSION +cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild + +mkdir -p $PKG/install +cat $CWD/slack-desc > $PKG/install/slack-desc + +cd $PKG +/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.${PKGTYPE:-tgz} diff --git a/system/bubblewrap/bubblewrap.info b/system/bubblewrap/bubblewrap.info new file mode 100644 index 0000000000..670859bcc2 --- /dev/null +++ b/system/bubblewrap/bubblewrap.info @@ -0,0 +1,10 @@ +PRGNAM="bubblewrap" +VERSION="0.1.7" +HOMEPAGE="https://github.com/projectatomic/bubblewrap/" +DOWNLOAD="https://github.com/projectatomic/bubblewrap/releases/download/v0.1.7/bubblewrap-0.1.7.tar.xz" +MD5SUM="d14e777759e067aa7418cbf27086499d" +DOWNLOAD_x86_64="" +MD5SUM_x86_64="" +REQUIRES="" +MAINTAINER="Vincent Batts" +EMAIL="vbatts@hashbangbash.com" diff --git a/system/bubblewrap/slack-desc b/system/bubblewrap/slack-desc new file mode 100644 index 0000000000..39fd57950b --- /dev/null +++ b/system/bubblewrap/slack-desc @@ -0,0 +1,19 @@ +# HOW TO EDIT THIS FILE: +# The "handy ruler" below makes it easier to edit a package description. +# Line up the first '|' above the ':' following the base package name, and +# the '|' on the right side marks the last column you can put a character in. +# You must make exactly 11 lines for the formatting to be correct. It's also +# customary to leave one space after the ':' except on otherwise blank lines. + + |-----handy-ruler------------------------------------------------------| +bubblewrap: bubblewrap (unprivileged sandboxing tool) +bubblewrap: +bubblewrap: Many container runtimes focus on providing infrastructure for +bubblewrap: system administrators and orchestration tools to run containers. +bubblewrap: +bubblewrap: Bubblewrap provides container runtime for unprivileged users, which +bubblewrap: reduces the surface area for privilege escalation. +bubblewrap: +bubblewrap: +bubblewrap: +bubblewrap: