159 lines
5.9 KiB
Bash
Executable File
159 lines
5.9 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (C) 2016 Jonathan Lebon <jlebon@redhat.com>
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the
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# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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# Boston, MA 02111-1307, USA.
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set -euo pipefail
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. ${commondir}/libtest.sh
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. ${commondir}/libvm.sh
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set -x
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# SUMMARY: check that RPM scripts are properly handled during package layering
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# make sure the package is not already layered
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vm_assert_layered_pkg nonrootcap absent
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vm_build_rpm nonrootcap \
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build "echo nrc.conf > nrc.conf
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for mode in none user group caps{,-setuid} usergroup{,caps{,-setuid}}; do
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cp nonrootcap nrc-\$mode.sh
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done" \
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pre "groupadd -r nrcgroup
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useradd -r nrcuser -s /sbin/nologin" \
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install "mkdir -p %{buildroot}/etc
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install nrc.conf %{buildroot}/etc
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ln -sr %{buildroot}/etc/nrc.conf %{buildroot}/etc/nrc-link.conf
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mkdir -p %{buildroot}/usr/bin
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install *.sh %{buildroot}/usr/bin
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ln -sr %{buildroot}/usr/bin/{nrc-user.sh,nrc-user-link.sh}
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mkdir -p %{buildroot}/var/lib/nonrootcap
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mkdir -p %{buildroot}/run/nonrootcap
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mkdir -p %{buildroot}/var/lib/nonrootcap-rootowned
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mkdir -p %{buildroot}/run/nonrootcap-rootowned" \
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files "/usr/bin/nrc-none.sh
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%attr(-, nrcuser, -) /etc/nrc.conf
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%attr(-, nrcuser, -) /etc/nrc-link.conf
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%ghost %attr(-, nrcuser, -) /etc/nrc-ghost.conf
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%attr(-, nrcuser, -) /usr/bin/nrc-user.sh
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%attr(-, nrcuser, -) /usr/bin/nrc-user-link.sh
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%attr(-, -, nrcgroup) /usr/bin/nrc-group.sh
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%caps(cap_net_bind_service=ep) /usr/bin/nrc-caps.sh
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%attr(4775, -, -) %caps(cap_net_bind_service=ep) /usr/bin/nrc-caps-setuid.sh
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%attr(-, nrcuser, nrcgroup) /usr/bin/nrc-usergroup.sh
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%attr(-, nrcuser, nrcgroup) %caps(cap_net_bind_service=ep) /usr/bin/nrc-usergroupcaps.sh
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%attr(4775, nrcuser, nrcgroup) %caps(cap_net_bind_service=ep) /usr/bin/nrc-usergroupcaps-setuid.sh
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%attr(-, nrcuser, nrcgroup) /var/lib/nonrootcap
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%attr(-, nrcuser, nrcgroup) /run/nonrootcap
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/var/lib/nonrootcap-rootowned
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/run/nonrootcap-rootowned"
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vm_rpmostree install nonrootcap
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echo "ok install nonrootcap"
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vm_reboot
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vm_assert_layered_pkg nonrootcap present
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echo "ok pkg nonrootcap added"
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# let's check that the user and group were successfully added
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vm_cmd getent passwd nrcuser
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vm_cmd getent group nrcgroup
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echo "ok user and group added"
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if ! vm_has_files /usr/bin/nrc-none.sh \
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/etc/nrc.conf \
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/usr/bin/nrc-user.sh \
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/usr/bin/nrc-group.sh \
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/usr/bin/nrc-caps.sh \
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/usr/bin/nrc-usergroup.sh \
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/usr/bin/nrc-usergroupcaps.sh \
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/var/lib/nonrootcap \
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/run/nonrootcap \
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/var/lib/nonrootcap-rootowned \
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/run/nonrootcap-rootowned; then
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assert_not_reached "not all files were layered"
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fi
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echo "ok all files layered"
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check_user() {
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local user=$(vm_cmd stat -c '%U' $1)
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if [[ $user != $2 ]]; then
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assert_not_reached "expected user $2 on file $1 but got $user"
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fi
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}
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check_group() {
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local group=$(vm_cmd stat -c '%G' $1)
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if [[ $group != $2 ]]; then
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assert_not_reached "expected group $2 on file $1 but got $group"
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fi
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}
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check_fcap() {
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local fcap=$(vm_cmd getcap $1)
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local fcap=${fcap#* = } # trim filename for pre-2.48 libcap: /usr/bin/foo = cap_net_raw+ep
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fcap=${fcap#* } # And from the new 2.48+ libcap: /usr/bin/foo cap_net_raw=ep
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if test -z "$2"; then
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if test -n "$fcap"; then
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assert_not_reached "expected no fcaps but found $fcap"
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fi
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return
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fi
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# Replace '+' with '='; a libcap change https://bodhi.fedoraproject.org/updates/FEDORA-2021-570cc05441
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# changed the output, and the new variant seems more correct
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# because it's matching what we specified above. But we need
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# to handle the previous case too for backcompat for a bit.
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fcap=${fcap/+/=}
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if [[ $fcap != $2 ]]; then
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assert_not_reached "expected fcaps $2 on file $1 but got $fcap"
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fi
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}
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check_file() {
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local file=$1; shift
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local user=$1; shift
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local group=$1; shift
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local fcap=${1:-}
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check_user "$file" "$user"
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check_group "$file" "$group"
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check_fcap "$file" "$fcap"
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}
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check_file /usr/bin/nrc-none.sh root root
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check_file /usr/bin/nrc-user.sh nrcuser root
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check_file /usr/bin/nrc-user-link.sh nrcuser root
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check_file /usr/bin/nrc-group.sh root nrcgroup
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check_file /usr/bin/nrc-caps.sh root root "cap_net_bind_service=ep"
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check_file /usr/bin/nrc-caps-setuid.sh root root "cap_net_bind_service=ep"
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vm_cmd test -u /usr/bin/nrc-caps-setuid.sh
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check_file /usr/bin/nrc-usergroup.sh nrcuser nrcgroup
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check_file /usr/bin/nrc-usergroupcaps.sh nrcuser nrcgroup "cap_net_bind_service=ep"
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check_file /usr/bin/nrc-usergroupcaps-setuid.sh nrcuser nrcgroup "cap_net_bind_service=ep"
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vm_cmd test -u /usr/bin/nrc-usergroupcaps-setuid.sh
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check_file /var/lib/nonrootcap nrcuser nrcgroup
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check_file /run/nonrootcap nrcuser nrcgroup
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check_file /var/lib/nonrootcap-rootowned root root
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check_file /run/nonrootcap-rootowned root root
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check_file /etc/nrc.conf nrcuser root
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check_file /etc/nrc-link.conf nrcuser root
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echo "ok correct user/group and fcaps"
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vm_cmd ostree fsck
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echo "ok fsck"
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