1#!/bin/sh 2# 3# Copyright (c) 2020 The DragonFly Project. 4# All rights reserved. 5# 6# Redistribution and use in source and binary forms, with or without 7# modification, are permitted provided that the following conditions 8# are met: 9# 10# 1. Redistributions of source code must retain the above copyright 11# notice, this list of conditions and the following disclaimer. 12# 2. Redistributions in binary form must reproduce the above copyright 13# notice, this list of conditions and the following disclaimer in 14# the documentation and/or other materials provided with the 15# distribution. 16# 3. Neither the name of The DragonFly Project nor the names of its 17# contributors may be used to endorse or promote products derived 18# from this software without specific, prior written permission. 19# 20# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 21# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 22# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 23# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 24# COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 25# INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 26# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 27# LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 28# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 29# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 30# OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31# SUCH DAMAGE. 32# 33 34# Exit if any untested command fails in non-interactive mode 35set -e 36# Exit when an undefined variable is referenced 37set -u 38 39# usage: add_users <etcdir> <master.passwd> <group> 40# 41# Add new users and groups in <etcdir> according to the given <master.passwd> 42# and <group> files. 43# 44# NOTE: Existing users and groups are not modified. 45# 46# NOTE: There is circular dependence: 'groupadd' requires the members 47# already exist, while 'useradd' requires the group exists. 48# So first assign new users to the 'nogroup' group, and then make 49# adjustments after group creation. 50# 51add_users() { 52 local etcdir="$1" 53 local fpasswd="$2" 54 local fgroup="$3" 55 local _name _pw _uid _gid _gids item 56 local _class _change _expire _gecos _home _shell _members 57 58 echo "===> Adding new users ..." 59 _gids="" 60 while IFS=':' read -r _name _pw _uid _gid _class \ 61 _change _expire _gecos _home _shell; do 62 case ${_name} in 63 '' | \#*) continue ;; 64 esac 65 if pw -V ${etcdir} usershow ${_name} -q >/dev/null; then 66 continue 67 fi 68 echo " * ${_name}: ${_uid}, ${_gid}, ${_gecos}, ${_home}, ${_shell}" 69 # Assign to the 'nogroup' group, and then adjust later. 70 pw -V ${etcdir} useradd ${_name} \ 71 -u ${_uid} \ 72 -g nogroup \ 73 -d ${_home} \ 74 -s ${_shell} \ 75 -L "${_class}" \ 76 -c "${_gecos}" 77 _gids="${_gids} ${_name}:${_gid}" 78 done < ${fpasswd} 79 80 echo "===> Adding new groups ..." 81 while IFS=':' read -r _name _pw _gid _members; do 82 case ${_name} in 83 '' | \#*) continue ;; 84 esac 85 if pw -V ${etcdir} groupshow ${_name} -q >/dev/null; then 86 continue 87 fi 88 echo " * ${_name}: ${_gid}, ${_members}" 89 pw -V ${etcdir} groupadd ${_name} -g ${_gid} -M "${_members}" 90 done < ${fgroup} 91 92 echo "===> Adjusting the group of new users ..." 93 for item in ${_gids}; do 94 _name=${item%:*} 95 _gid=${item#*:} 96 echo " * ${_name}: ${_gid}" 97 pw -V ${etcdir} usermod ${_name} -g ${_gid} 98 done 99} 100 101usage() { 102 cat > /dev/stderr << _EOF_ 103Add new users and groups. 104 105Usage: ${0##*/} -d <etc-dir> -g <group-file> -p <master.passwd-file> 106 107_EOF_ 108 109 exit 1 110} 111 112ETC_DIR= 113GROUP_FILE= 114PASSWD_FILE= 115 116while getopts :d:g:hp: opt; do 117 case ${opt} in 118 d) 119 ETC_DIR=${OPTARG} 120 ;; 121 g) 122 GROUP_FILE=${OPTARG} 123 ;; 124 p) 125 PASSWD_FILE=${OPTARG} 126 ;; 127 h | \? | :) 128 usage 129 ;; 130 esac 131done 132 133shift $((OPTIND - 1)) 134[ $# -eq 0 ] || usage 135[ -n "${ETC_DIR}" ] || usage 136[ -n "${GROUP_FILE}" ] || usage 137[ -n "${PASSWD_FILE}" ] || usage 138 139add_users "${ETC_DIR}" "${PASSWD_FILE}" "${GROUP_FILE}" 140 141echo "Update password databases ..." 142pwd_mkdb -p -d "${ETC_DIR}" "${ETC_DIR}/master.passwd" 143