#
# Copyright OpenEmbedded Contributors
#
# SPDX-License-Identifier: MIT
#

# This bbclass is used for image level user/group configuration.
# Inherit this class if you want to make EXTRA_USERS_PARAMS effective.

# Below is an example showing how to use this functionality.
# IMAGE_CLASSES += "extrausers"
# EXTRA_USERS_PARAMS = "\
#     useradd -p '' tester; \
#     groupadd developers; \
#     userdel nobody; \
#     groupdel -g video; \
#     groupmod -g 1020 developers; \
#     usermod -s /bin/sh tester; \
# "

inherit useradd_base

PACKAGE_INSTALL:append = " ${@['', 'base-passwd shadow'][bool(d.getVar('EXTRA_USERS_PARAMS'))]}"

# Image level user / group settings
ROOTFS_POSTPROCESS_COMMAND += "set_user_group"

# Image level user / group settings
set_user_group () {
	user_group_settings="${EXTRA_USERS_PARAMS}"
	export PSEUDO="${FAKEROOTENV} ${STAGING_DIR_NATIVE}${bindir}/pseudo"
	setting=`echo $user_group_settings | cut -d ';' -f1`
	remaining=`echo $user_group_settings | cut -d ';' -f2-`
	while test "x$setting" != "x"; do
		cmd=`echo $setting | cut -d ' ' -f1`
		opts=`echo $setting | cut -d ' ' -f2-`
		# Different from useradd.bbclass, there's no file locking issue here, as
		# this setting is actually a serial process. So we only retry once.
		case $cmd in
			useradd)
				perform_useradd "${IMAGE_ROOTFS}" "--prefix ${IMAGE_ROOTFS} $opts"
				;;
			groupadd)
				perform_groupadd "${IMAGE_ROOTFS}" "--prefix ${IMAGE_ROOTFS} $opts"
				;;
			userdel)
				perform_userdel "${IMAGE_ROOTFS}" "--prefix ${IMAGE_ROOTFS} $opts"
				;;
			groupdel)
				perform_groupdel "${IMAGE_ROOTFS}" "--prefix ${IMAGE_ROOTFS} $opts"
				;;
			usermod)
				perform_usermod "${IMAGE_ROOTFS}" "--prefix ${IMAGE_ROOTFS} $opts"
				;;
			passwd-expire)
				perform_passwd_expire "${IMAGE_ROOTFS}" "$opts"
				;;
			groupmod)
				perform_groupmod "${IMAGE_ROOTFS}" "--prefix ${IMAGE_ROOTFS} $opts"
				;;
			*)
				bbfatal "Invalid command in EXTRA_USERS_PARAMS: $cmd"
				;;
		esac
		# Avoid infinite loop if the last parameter doesn't end with ';'
		if [ "$setting" = "$remaining" ]; then
			break
		fi
		# iterate to the next setting
		setting=`echo $remaining | cut -d ';' -f1`
		remaining=`echo $remaining | cut -d ';' -f2-`
	done
}

USERADDEXTENSION ?= ""

inherit ${USERADDEXTENSION}