138 lines
3.9 KiB
Smarty
138 lines
3.9 KiB
Smarty
#!/bin/bash
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{{/*
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# Copyright 2017 AT&T Intellectual Property. All other rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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*/}}
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set -e
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cat <<'EOF' > {{ .Values.conf.chroot_mnt_path | quote }}/tmp/apparmor_host.sh
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{{ include "divingbell.shcommon" . }}
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load_flags="-r -W"
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{{- if hasKey .Values.conf "apparmor" }}
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{{- if hasKey .Values.conf.apparmor "complain_mode" }}
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{{- if .Values.conf.apparmor.complain_mode }}
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load_flags="$load_flags -C"
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{{- end }}
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{{- end }}
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{{- end }}
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load_cmd="apparmor_parser $load_flags"
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unload_cmd='apparmor_parser -R'
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defaults_path='/var/divingbell/apparmor'
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persist_path='/etc/apparmor.d'
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declare -A CURRENT_FILENAMES
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declare -A SAVED_STATE_FILENAMES
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if [ ! -d "${defaults_path}" ]; then
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mkdir -p "${defaults_path}"
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fi
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write_test "${defaults_path}"
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write_test "${persist_path}"
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save_apparmor_profile(){
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local filename="$1"
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local data="$2"
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CURRENT_FILENAMES["$filename"]=''
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#Check if host already had the same filename
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if [ ${SAVED_STATE_FILENAMES["$filename"]+_} ]; then
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unset SAVED_STATE_FILENAMES["$filename"]
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fi
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echo -ne "${data}" > ${defaults_path}/${filename}
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if [ ! -L ${persist_path}/${filename} ]; then
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ln -s ${defaults_path}/${filename} ${persist_path}/${filename}
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fi
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}
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#######################################
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#Stage 1
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#Collect data
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#######################################
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#Search for any saved apparmor profiles
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pushd $defaults_path
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count=$(find . -type f | wc -l)
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#Check if directory is non-empty
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if [ $count -gt 0 ]; then
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for f in $(find . -type f|xargs -n1 basename); do
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SAVED_STATE_FILENAMES[$f]=''
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done
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fi
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#######################################
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#Stage 2
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#Save new apparmor profiles
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#######################################
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{{- if hasKey .Values.conf "apparmor" }}
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{{- if hasKey .Values.conf.apparmor "profiles" }}
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{{- range $filename, $value := .Values.conf.apparmor.profiles }}
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save_apparmor_profile {{ $filename | squote }} {{ $value | squote }}
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{{- end }}
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{{- end }}
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{{- end }}
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#######################################
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#Stage 3
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#Clean stale apparmor profiles
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#######################################
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#If hash is not empty - there are old filenames that need to be handled
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if [ ${#SAVED_STATE_FILENAMES[@]} -gt 0 ]; then
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for filename in ${!SAVED_STATE_FILENAMES[@]}; do
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#Unload any previously applied apparmor profiles which are now absent
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$unload_cmd ${defaults_path}/${filename} || die "Problem unloading profile ${defaults_path}/${filename}"
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if [ -L ${persist_path}/${filename} ]; then
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unlink ${persist_path}/${filename}
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fi
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rm -f ${defaults_path}/${filename}
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# log/append the stale profiles that require eventual reboot
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echo "apparmor: stale profile ${defaults_path}/${filename}" >> /var/run/reboot-required.pkgs
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unset SAVED_STATE_FILENAMES["$filename"]
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done
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# mark node as needing eventual reboot
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echo '*** System restart required ***' > /var/run/reboot-required
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fi
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#######################################
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#Stage 4
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#Install/update new apparmor profiles
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#Save new apparmor profiles
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#######################################
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for filename in ${!CURRENT_FILENAMES[@]}; do
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$load_cmd ${persist_path}/${filename} || die "Problem loading ${persist_path}/${filename}"
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done
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exit 0
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EOF
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chmod 755 {{ .Values.conf.chroot_mnt_path | quote }}/tmp/apparmor_host.sh
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chroot {{ .Values.conf.chroot_mnt_path | quote }} /tmp/apparmor_host.sh
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sleep 1
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echo 'INFO Putting the daemon to sleep.'
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while [ 1 ]; do
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sleep 300
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done
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exit 0
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