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# Copyright (c) 2017 The NetBSD Foundation, Inc.
# All rights reserved.
#
# This code is derived from software contributed to The NetBSD Foundation
# by Johnny C. Lam.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
# NAME
# usergroup.subr -- adding users and groups to the system
#
# SYNOPSIS
# task_addgroup <group> [<groupid>]
# task_adduser <user> <group> [<userid> [<descr> [<home> [<shell>]]]]
#
# DESCRIPTION
# The task_addgroup function adds a group to the system with the
# matching group ID if it is given.
#
# The task_adduser function adds a user to the system with the
# matching user ID if it is given. The additional parameters to the
# task_adduser function can be used to set the group, description,
# home directory, and login shell of the user.
#
# These functions are expected to never write to standard output or
# to standard error. The calling script should capture the return
# values of these functions.
#
# These functions assume that platform_groupadd and platform_useradd
# functions are defined and accept the following subset of options
# supported by the NetBSD/Solaris-compatible versions of groupadd(8)
# and useradd(8):
#
# platform_groupadd [-g <gid>] <group>
#
# platform_useradd [-c <descr>] [-d <home>] [-g <group>]
# [-s <shell>] [u <uid>] <user>
#
# RETURN VALUES
# Returns 0 on success, and >0 if an error occurs.
#
# ENVIRONMENT
# The following variables are used if they are set:
#
# NOLOGIN
# The path to a login shell that is used for accounts that
# are not allowed to log in. The default value is
# "/sbin/nologin".
#
# PKGNAME
# The name of the package.
#
__task_usergroup__="yes"
task_load platform
# Load the correct platform_{group,user}add functions.
case $(task_platform) in
DragonFly|FreeBSD)
task_load usergroup_FreeBSD ;;
Linux) task_load usergroup_Linux ;;
MirBSD) task_load usergroup_MirBSD ;;
NetBSD|SunOS)
task_load usergroup_NetBSD ;;
*) task_load usergroup_NetBSD ;;
esac
task_addgroup()
{
local group="$1"
local groupid="$2"
[ -n "$group" ] || return 1
case $groupid in
"") platform_groupadd "$group" >/dev/null ;;
*) platform_groupadd -g "$groupid" "$group" >/dev/null ;;
esac
}
task_adduser()
{
: ${PKGNAME:=${0##*/}}
local user="$1"; local group="$2"; local userid="$3"
local descr="$4"; local home="$5"; local shell="$6"
[ -n "$user" -a -n "$group" ] || return 1
local pkgbase="${PKGNAME%-[0-9]*}"
local descr_default
case $user in
$pkgbase)
descr_default="$user user" ;;
*) descr_default="$pkgbase $user user" ;;
esac
: ${descr:=$descr_default}
: ${home:=/nonexistent}
: ${shell:=${NOLOGIN:=/sbin/nologin}}
case $userid in
"") platform_useradd \
-c "$descr" -d "$home" -s "$shell" -g "$group" \
"$user" >/dev/null ;;
*) platform_useradd \
-c "$descr" -d "$home" -s "$shell" -g "$group" \
-u "$userid" "$user" >/dev/null ;;
esac
}
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