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SUMMARY = "Credentials for implicit provisioning with CA certificate"
SECTION = "base"
LICENSE = "MPL-2.0"
LIC_FILES_CHKSUM = "file://${COMMON_LICENSE_DIR}/MPL-2.0;md5=815ca599c9df247a0c7f619bab123dad"
inherit allarch
# WARNING: it is NOT a production solution. The secure way to provision devices
# is to create certificate request directly on the device (either with HSM/TPM
# or with software) and then sign it with a CA stored on a disconnected machine.
DEPENDS = "aktualizr aktualizr-native"
ALLOW_EMPTY_${PN} = "1"
SRC_URI = " \
file://ca.cnf \
"
require credentials.inc
export SOTA_CACERT_PATH
export SOTA_CAKEY_PATH
do_install() {
if [ -n "${SOTA_PACKED_CREDENTIALS}" ]; then
if [ -z ${SOTA_CACERT_PATH} ]; then
SOTA_CACERT_PATH=${DEPLOY_DIR_IMAGE}/CA/cacert.pem
SOTA_CAKEY_PATH=${DEPLOY_DIR_IMAGE}/CA/ca.private.pem
mkdir -p ${DEPLOY_DIR_IMAGE}/CA
bbwarn "SOTA_CACERT_PATH is not specified, use default one at ${SOTA_CACERT_PATH}"
if [ ! -f ${SOTA_CACERT_PATH} ]; then
bbwarn "${SOTA_CACERT_PATH} does not exist, generate a new CA"
SOTA_CACERT_DIR_PATH="$(dirname "${SOTA_CACERT_PATH}")"
openssl genrsa -out ${SOTA_CACERT_DIR_PATH}/ca.private.pem 4096
openssl req -key ${SOTA_CACERT_DIR_PATH}/ca.private.pem -new -x509 -days 7300 -out ${SOTA_CACERT_PATH} -subj "/C=DE/ST=Berlin/O=Reis und Kichererbsen e.V/commonName=meta-updater" -batch -config ${WORKDIR}/ca.cnf -extensions cacert
bbwarn "${SOTA_CACERT_PATH} has been created, you'll need to upload it to the server"
fi
fi
if [ -z ${SOTA_CAKEY_PATH} ]; then
bbfatal "SOTA_CAKEY_PATH should be set when using implicit provisioning"
fi
install -m 0700 -d ${D}${localstatedir}/sota
aktualizr-cert-provider --credentials ${SOTA_PACKED_CREDENTIALS} \
--fleet-ca ${SOTA_CACERT_PATH} \
--fleet-ca-key ${SOTA_CAKEY_PATH} \
--root-ca \
--server-url \
--local ${D} \
--config ${STAGING_DIR_HOST}${libdir}/sota/sota_implicit_prov_ca.toml
fi
}
FILES_${PN} = " \
${localstatedir}/sota/*"
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