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#!/bin/ash
# shellcheck disable=SC2086
# ============LICENSE_START=======================================================
# Copyright (C) 2020 Nordix Foundation.
# ================================================================================
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# SPDX-License-Identifier: Apache-2.0
# ============LICENSE_END=========================================================
set -o errexit
set -o pipefail
set -o nounset
[ "${SHELL_XTRACE:-false}" = "true" ] && set -o xtrace
export PATH=/opt/bin:/usr/local/bin:/usr/bin:/bin
CONFIG=/config
TEMPLATES=/templates
PROC_NAME=${0##*/}
PROC_NAME=${PROC_NAME%.sh}
WORKDIR=$(mktemp -d)
trap "rm -rf $WORKDIR" EXIT
function now_ms() {
# Requires coreutils package
date +"%Y-%m-%d %H:%M:%S.%3N"
}
function log() {
local level=$1
shift
local message="$*"
>&2 printf "%s %-5s [%s] %s\n" "$(now_ms)" $level $PROC_NAME "$message"
}
find_file() {
local dir=$1
shift
for app in "$@"; do
if [ -f $dir/$app ]; then
echo -n $dir/$app
break
fi
done
}
# Extracts the body of a PEM file by removing the dashed header and footer
alias pem_body='grep -Fv -- -----'
wait_for_file() {
local file=$1
local timeout=$2
local i=0
while [ $i -lt $timeout ]; do
if [ -e $file ]; then
return
fi
sleep 1
done
false
}
kill_service() {
local service=$1
pid_file=/run/${service}.pid
pid=$(cat $pid_file)
log INFO Killing $service pid=$pid
rm -f $pid_file
kill $pid
if ! wait_for_file $pid_file 10; then
log ERROR Timeout while waiting $service to restart
exit 1
fi
}
# ------------------------------------
# SSH Common Definitions and Functions
# ------------------------------------
SSH_CONFIG=$CONFIG/ssh
configure_ssh() {
local datastore=$1
local operation=$2
local dir=$3
log INFO Configure SSH ingress service
ssh_pubkey=$(find_file $SSH_CONFIG id_ecdsa.pub id_dsa.pub id_rsa.pub)
test -n "$ssh_pubkey"
name=${ssh_pubkey##*/}
name=${name%%.pub}
set -- $(cat $ssh_pubkey)
xmlstarlet ed --pf --omit-decl \
--update '//_:name[text()="netconf"]/following-sibling::_:authorized-key/_:name' --value "$name" \
--update '//_:name[text()="netconf"]/following-sibling::_:authorized-key/_:algorithm' --value "$1" \
--update '//_:name[text()="netconf"]/following-sibling::_:authorized-key/_:key-data' --value "$2" \
$dir/ietf-system.xml | \
sysrepocfg --datastore=$datastore --permanent --format=xml ietf-system --${operation}=-
}
# ------------------------------------
# SSL Common Definitions and Functions
# ------------------------------------
TLS_CONFIG=$CONFIG/tls
KEY_PATH=/opt/etc/keystored/keys
configure_tls() {
local datastore=$1
local operation=$2
local dir=$3
log INFO Update server private key
cp $TLS_CONFIG/server_key.pem $KEY_PATH
log INFO Load CA and server certificates
ca_cert=$(pem_body $TLS_CONFIG/ca.pem)
server_cert=$(pem_body $TLS_CONFIG/server_cert.pem)
out=$(mktemp -p $WORKDIR ietf-keystore.XXXXXX.xml)
xmlstarlet ed --pf --omit-decl \
--update '//_:name[text()="server_cert"]/following-sibling::_:certificate' --value "$server_cert" \
--update '//_:name[text()="ca"]/following-sibling::_:certificate' --value "$ca_cert" \
$dir/ietf-keystore.xml > $out
sysrepocfg --datastore=$datastore --format=xml ietf-keystore --${operation}=$out
# The '--permanent' option was causing sysrepod to crash
if [ "$datastore" != "startup" ]; then
sysrepocfg --datastore=startup --format=xml ietf-keystore --${operation}=$out
fi
log INFO Configure TLS ingress service
ca_fingerprint=$(openssl x509 -noout -fingerprint -in $TLS_CONFIG/ca.pem | cut -d= -f2)
xmlstarlet ed --pf --omit-decl \
--update '//_:name[text()="netconf"]/preceding-sibling::_:fingerprint' --value "02:$ca_fingerprint" \
$dir/ietf-netconf-server.xml | \
sysrepocfg --datastore=$datastore --permanent --format=xml ietf-netconf-server --${operation}=-
}
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