bubblewrap/tests/libtest.sh

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# shellcheck shell=bash
# Source library for shell script tests.
# Add non-bubblewrap-specific code to libtest-core.sh instead.
#
# Copyright (C) 2017 Colin Walters <walters@verbum.org>
# SPDX-License-Identifier: LGPL-2.0-or-later
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the
# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
# Boston, MA 02111-1307, USA.
set -e
if [ -n "${G_TEST_SRCDIR:-}" ]; then
test_srcdir="${G_TEST_SRCDIR}/tests"
else
test_srcdir=$(dirname "$0")
fi
if [ -n "${G_TEST_BUILDDIR:-}" ]; then
test_builddir="${G_TEST_BUILDDIR}/tests"
else
test_builddir=$(dirname "$0")
fi
. "${test_srcdir}/libtest-core.sh"
# Make sure /sbin/getpcaps etc. are in our PATH even if non-root
PATH="$PATH:/usr/sbin:/sbin"
tempdir=$(mktemp -d /var/tmp/tap-test.XXXXXX)
touch "${tempdir}/.testtmp"
cleanup() {
if test -n "${TEST_SKIP_CLEANUP:-}"; then
echo "Skipping cleanup of ${tempdir}"
elif test -f "${tempdir}/.testtmp"; then
rm -rf "${tempdir}"
fi
}
trap cleanup EXIT
cd "${tempdir}"
: "${BWRAP:=bwrap}"
if test -u "$(type -p ${BWRAP})"; then
bwrap_is_suid=true
fi
FUSE_DIR=
for mp in $(grep " fuse[. ]" /proc/self/mounts | grep "user_id=$(id -u)" | awk '{print $2}'); do
if test -d "$mp"; then
echo "# Using $mp as test fuse mount"
FUSE_DIR="$mp"
break
fi
done
if test "$(id -u)" = "0"; then
is_uidzero=true
else
is_uidzero=false
fi
# This is supposed to be an otherwise readable file in an unreadable (by the user) dir
UNREADABLE=/root/.bashrc
if "${is_uidzero}" || test -x "$(dirname "$UNREADABLE")"; then
UNREADABLE=
fi
# https://github.com/projectatomic/bubblewrap/issues/217
# are we on a merged-/usr system?
if [ /lib -ef /usr/lib ]; then
BWRAP_RO_HOST_ARGS="--ro-bind /usr /usr
--ro-bind /etc /etc
--dir /var/tmp
--symlink usr/lib /lib
--symlink usr/lib64 /lib64
--symlink usr/bin /bin
--symlink usr/sbin /sbin
--proc /proc
--dev /dev"
else
BWRAP_RO_HOST_ARGS="--ro-bind /usr /usr
--ro-bind /etc /etc
--ro-bind /bin /bin
--ro-bind-try /lib /lib
--ro-bind-try /lib64 /lib64
--ro-bind-try /sbin /sbin
--ro-bind-try /nix/store /nix/store
--dir /var/tmp
--proc /proc
--dev /dev"
fi
# Default arg, bind whole host fs to /, tmpfs on /tmp
RUN="${BWRAP} --bind / / --tmpfs /tmp"
if [ -z "${BWRAP_MUST_WORK-}" ] && ! $RUN true; then
skip Seems like bwrap is not working at all. Maybe setuid is not working
fi
extract_child_pid() {
grep child-pid "$1" | sed "s/^.*: \([0-9]*\).*/\1/"
}