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####
# Copyright 2020 Hewlett Packard Enterprise Development LP.
# Copyright 2021 Intel Corporation
#
# Add a basic class to add a privileged user from an ssh
# standpoint and a public key passed as an input parameter
# from the local.conf file
# Example:
# INHERIT += "phosphor-deploy-ssh-keys"
#
# SSH_KEYS = "vejmarie:/home/openbmc/openbmc/meta-hpe/keys/test.pub"
# or
# SSH_KEYS = "vejmarie:/home/openbmc/openbmc/meta-hpe/keys/test.pub;root:/path/to/id_rsa.pub"
####
inherit useradd_base
IMAGE_PREPROCESS_COMMAND += "deploy_local_user;"
deploy_local_user () {
if [ "${SSH_KEYS}" == "" ]; then
bbwarn "Trying to deploy SSH keys but input variable is empty (SSH_KEYS)"
return
fi
ssh_keys="${SSH_KEYS}"
while [ "${ssh_keys}" != "" ]; do
current_key=`echo "$ssh_keys" | cut -d ';' -f1`
ssh_keys=`echo "$ssh_keys" | cut -s -d ';' -f2-`
username=`echo "$current_key" | awk -F":" '{ print $1}'`
key_path=`echo "$current_key" | awk -F":" '{ print $2}'`
if [ ! -d ${IMAGE_ROOTFS}/home/${username} ]; then
perform_useradd "${IMAGE_ROOTFS}" "-R ${IMAGE_ROOTFS} -p '' ${username}"
fi
if [ ! -d ${IMAGE_ROOTFS}/home/${username}.ssh/ ]; then
install -d ${IMAGE_ROOTFS}/home/${username}/.ssh/
fi
if [ ! -f ${IMAGE_ROOTFS}/home/${username}/.ssh/authorized_keys ]; then
install -m 0600 ${key_path} ${IMAGE_ROOTFS}/home/${username}/.ssh/authorized_keys
else
cat ${key_path} >> ${IMAGE_ROOTFS}/home/${username}/.ssh/authorized_keys
fi
uid=`cat ${IMAGE_ROOTFS}/etc/passwd | grep "${username}:" | awk -F ":" '{print $3}'`
guid=`cat ${IMAGE_ROOTFS}/etc/passwd | grep "${username}:" | awk -F ":" '{print $4}'`
chown -R ${uid}:${guid} ${IMAGE_ROOTFS}/home/${username}/.ssh
chmod 600 ${IMAGE_ROOTFS}/home/${username}/.ssh/authorized_keys
chmod 700 ${IMAGE_ROOTFS}/home/${username}/.ssh
is_group=`grep "priv-admin" ${IMAGE_ROOTFS}/etc/group || true`
if [ -z "${is_group}" ]; then
perform_groupadd "${IMAGE_ROOTFS}" "-R ${IMAGE_ROOTFS} priv-admin"
fi
perform_usermod "${IMAGE_ROOTFS}" "-R ${IMAGE_ROOTFS} -a -G priv-admin ${username}"
done
}
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