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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:50:00 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 12:50:00 +0000
commit333f7ecfa3e040191c66b2b92f6c117ca2cbac1d (patch)
tree178a8f140927896970f47930dae9213161268f10 /contrib/adduser2.sh
parentInitial commit. (diff)
downloadshadow-333f7ecfa3e040191c66b2b92f6c117ca2cbac1d.tar.xz
shadow-333f7ecfa3e040191c66b2b92f6c117ca2cbac1d.zip
Adding upstream version 1:4.8.1.upstream/1%4.8.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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-rwxr-xr-xcontrib/adduser2.sh743
1 files changed, 743 insertions, 0 deletions
diff --git a/contrib/adduser2.sh b/contrib/adduser2.sh
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+#!/bin/bash
+#
+# adduser Interactive user adding program.
+#
+# Copyright (C) 1996 Petri Mattila, Prihateam Networks
+# petri@prihateam.fi
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2, or (at your option)
+# any later version.
+#
+# Changes:
+# 220496 v0.01 Initial version
+# 230496 v0.02 More checks, embolden summary
+# 240496 Even more checks
+# 250496 Help with ?
+# 040596 v0.03 Cleanups
+# 050596 v0.04 Bug fixes, expire date checks
+# 070596 v0.05 Iso-latin-1 names
+#
+
+## Defaults
+
+# default groups
+def_group="users"
+def_other_groups=""
+
+# default home directory
+def_home_dir=/home/users
+
+# default shell
+def_shell=/bin/tcsh
+
+# Default expiration date (mm/dd/yy)
+def_expire=""
+
+# default dates
+def_pwd_min=0
+def_pwd_max=90
+def_pwd_warn=14
+def_pwd_iact=14
+
+
+# possible UIDs
+uid_low=1000
+uid_high=64000
+
+# skel directory
+skel=/etc/skel
+
+# default mode for home directory
+def_mode=711
+
+# Regex, that the login name must meet, only ANSI characters
+login_regex='^[0-9a-zA-Z_-]*$'
+
+# Regex, that the user name must meet
+# ANSI version
+##name_regex='^[0-9a-zA-Z_-\ ]*$'
+# ISO-LATIN-1 version
+name_regex='^[0-9a-zA-ZÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõöùúûüýþÿ_-\ ]*$'
+
+# set PATH
+export PATH="/bin:/sbin:/usr/bin:/usr/sbin"
+
+# Some special characters
+case "$TERM" in
+ vt*|ansi*|con*|xterm*|linux*)
+ S='' # start embolden
+ E='' # end embolden
+ ;;
+ *)
+ S=''
+ E=''
+ ;;
+esac
+
+
+## Functions
+
+check_root() {
+ if test "$EUID" -ne 0
+ then
+ echo "You must be root to run this program."
+ exit 1
+ fi
+}
+
+check_user() {
+ local usr pwd uid gid name home sh
+
+ cat /etc/passwd | (
+ while IFS=":" read usr pwd uid gid name home sh
+ do
+ if test "$1" = "${usr}"
+ then
+ return 1
+ fi
+ done
+ return 0
+ )
+}
+
+check_group() {
+ local read grp pwd gid members
+
+ cat /etc/group | (
+ while IFS=":" read grp pwd gid members
+ do
+ if test "$1" = "${grp}"
+ then
+ return 1
+ fi
+ done
+ return 0
+ )
+}
+
+check_other_groups() {
+ local grp check IFS
+
+ check="$1"
+ IFS=","
+
+ set ${check}
+ for grp
+ do
+ if check_group "${grp}"
+ then
+ echo "Group ${grp} does not exist."
+ return 1
+ fi
+ done
+ return 0
+}
+
+check_uid() {
+ local usr pwd uid gid name home sh
+
+ cat /etc/passwd | (
+ while IFS=":" read usr pwd uid gid name home sh
+ do
+ if test "$1" = "${uid}"
+ then
+ return 1
+ fi
+ done
+ return 0
+ )
+}
+
+read_yn() {
+ local ans ynd
+
+ ynd="$1"
+
+ while :
+ do
+ read ans
+ case "${ans}" in
+ "") return ${ynd} ;;
+ [nN]) return 1 ;;
+ [yY]) return 0 ;;
+ *) echo -n "Y or N, please ? " ;;
+ esac
+ done
+}
+
+read_login() {
+ echo
+ while :
+ do
+ echo -n "Login: ${def_login:+[${def_login}] }"
+ read login
+
+ if test "${login}" = '?'
+ then
+ less /etc/passwd
+ echo
+ continue
+ fi
+
+ if test -z "${login}" -a -n "${def_login}"
+ then
+ login="${def_login}"
+ echo "Using ${login}"
+ return
+ fi
+
+ if test "${#login}" -gt 8
+ then
+ echo "Login must be at most 8 characters long"
+ continue
+ fi
+
+ if test "${#login}" -lt 2
+ then
+ echo "Login must be at least 2 characters long"
+ continue
+ fi
+
+ if ! expr "${login}" : "${login_regex}" &> /dev/null
+ then
+ echo "Please use letters, numbers and special characters _-,."
+ continue
+ fi
+
+ if ! check_user "${login}"
+ then
+ echo "Username ${login} is already in use"
+ continue
+ fi
+
+ def_login="${login}"
+ return
+ done
+}
+
+read_name () {
+ echo
+ while :
+ do
+ echo -n "Real name: ${def_name:+[${def_name}] }"
+ read name
+
+ if test "${name}" = '?'
+ then
+ less /etc/passwd
+ echo
+ continue
+ fi
+
+ if test -z "${name}" -a -n "${def_name}"
+ then
+ name="${def_name}"
+ echo "Using ${name}"
+ fi
+
+ if test "${#name}" -gt 32
+ then
+ echo "Name should be at most 32 characters long"
+ continue
+ fi
+
+ if ! expr "${name}" : "${name_regex}" &> /dev/null
+ then
+ echo "Please use letters, numbers, spaces and special characters ,._-"
+ continue
+ fi
+
+ def_name="${name}"
+ return
+ done
+}
+
+read_home() {
+ local x
+
+ echo
+ while :
+ do
+ echo -n "Home Directory: [${def_home_dir}/${login}] "
+ read home
+
+ if test -z "${home}"
+ then
+ home="${def_home_dir}/${login}"
+ echo "Using ${home}"
+ fi
+
+ if ! expr "${home}" : '^[0-9a-zA-Z,._-\/]*$' &> /dev/null
+ then
+ echo "Please use letters, numbers, spaces and special characters ,._-/"
+ continue
+ fi
+
+ x="$(basename ${home})"
+ if test "${x}" != "${login}"
+ then
+ echo "Warning: you are about to use different login name and home directory."
+ fi
+
+ x="$(dirname ${home})"
+ if ! test -d "${x}"
+ then
+ echo "Directory ${x} does not exist."
+ echo "If you still want to use it, please make it manually."
+ continue
+ fi
+
+ def_home_dir="${x}"
+ return
+ done
+}
+
+read_shell () {
+ local x
+
+ echo
+ while :
+ do
+ echo -n "Shell: [${def_shell}] "
+ read shell
+
+ if test -z "${shell}"
+ then
+ shell="${def_shell}"
+ echo "Using ${shell}"
+ fi
+
+ for x in $(cat /etc/shells)
+ do
+ if test "${x}" = "${shell}"
+ then
+ def_shell="${shell}"
+ return
+ fi
+ done
+
+ echo "Possible shells are:"
+ cat /etc/shells
+ done
+}
+
+read_group () {
+ echo
+ while :
+ do
+ echo -n "Group: [${def_group}] "
+ read group
+
+ if test -z "${group}"
+ then
+ group="${def_group}"
+ echo "Using ${group}"
+ fi
+
+ if test "${group}" = '?'
+ then
+ less /etc/group
+ echo
+ continue
+ fi
+
+ if check_group "${group}"
+ then
+ echo "Group ${group} does not exist."
+ continue
+ fi
+
+ def_group="${group}"
+ return
+ done
+}
+
+read_other_groups () {
+ echo
+ while :
+ do
+ echo -n "Other groups: [${def_og:-none}] "
+ read other_groups
+
+ if test "${other_groups}" = '?'
+ then
+ less /etc/group
+ echo
+ continue
+ fi
+
+ if test -z "${other_groups}"
+ then
+ if test -n "${def_og}"
+ then
+ other_groups="${def_og}"
+ echo "Using ${other_groups}"
+ else
+ echo "No other groups"
+ return
+ fi
+ fi
+
+
+ if ! check_other_groups "${other_groups}"
+ then
+ continue
+ fi
+
+ def_og="${other_groups}"
+ return
+ done
+}
+
+read_uid () {
+ echo
+ while :
+ do
+ echo -n "uid: [first free] "
+ read uid
+
+ if test -z "${uid}"
+ then
+ echo "Using first free UID."
+ return
+ fi
+
+ if test "${uid}" = '?'
+ then
+ less /etc/passwd
+ echo
+ continue
+ fi
+
+ if ! expr "${uid}" : '^[0-9]+$' &> /dev/null
+ then
+ echo "Please use numbers only."
+ continue
+ fi
+ if test "${uid}" -lt "${uid_low}"
+ then
+ echo "UID must be greater than ${uid_low}"
+ continue
+ fi
+ if test "${uid}" -gt "${uid_high}"
+ then
+ echo "UID must be smaller than ${uid_high}"
+ continue
+ fi
+ if ! check_uid "${uid}"
+ then
+ echo "UID ${uid} is already in use"
+ continue
+ fi
+
+ return
+ done
+}
+
+read_max_valid_days() {
+ echo
+ while :
+ do
+ echo -en "Maximum days between password changes: [${def_pwd_max}] "
+ read max_days
+
+ if test -z "${max_days}"
+ then
+ max_days="${def_pwd_max}"
+ echo "Using ${max_days}"
+ return
+ fi
+
+ if ! expr "${max_days}" : '^[0-9]+$' &> /dev/null
+ then
+ echo "Please use numbers only."
+ continue
+ fi
+ if test "${max_days}" -lt 7
+ then
+ echo "Warning: you are using a value shorter than a week."
+ fi
+
+ def_pwd_max="${max_days}"
+ return
+ done
+}
+
+read_min_valid_days() {
+ echo
+ while :
+ do
+ echo -en "Minimum days between password changes: [${def_pwd_min}] "
+ read min_days
+
+ if test -z "${min_days}"
+ then
+ min_days="${def_pwd_min}"
+ echo "Using ${min_days}"
+ return
+ fi
+
+ if ! expr "${min_days}" : '^[0-9]+$' &> /dev/null
+ then
+ echo "Please use numbers only."
+ continue
+ fi
+ if test "${min_days}" -gt 7
+ then
+ echo "Warning: you are using a value longer than a week."
+ fi
+
+ def_pwd_min="${min_days}"
+ return
+ done
+}
+
+read_warning_days() {
+ echo
+ while :
+ do
+ echo -en "Number of warning days before password expires: [${def_pwd_warn}] "
+ read warn_days
+
+ if test -z "${warn_days}"
+ then
+ warn_days="${def_pwd_warn}"
+ echo "Using ${warn_days}"
+ fi
+
+ if ! expr "${warn_days}" : '^[0-9]+$' &> /dev/null
+ then
+ echo "Please use numbers only."
+ continue
+ fi
+ if test "${warn_days}" -gt 14
+ then
+ echo "Warning: you are using a value longer than two week."
+ fi
+
+ def_pwd_warn="${warn_days}"
+ return
+ done
+}
+
+
+read_inactive_days() {
+ echo
+ while :
+ do
+ echo -en "Number of usable days after expiration: [${def_pwd_iact}] "
+ read iact_days
+
+ if test -z "${iact_days}"
+ then
+ iact_days="${def_pwd_iact}"
+ echo "Using ${iact_days}"
+ return
+ fi
+ if ! expr "${iact_days}" : '^[0-9]+$' &> /dev/null
+ then
+ echo "Please use numbers only."
+ continue
+ fi
+ if test "${iact_days}" -gt 14
+ then
+ echo "Warning: you are using a value that is more than two weeks."
+ fi
+
+ def_pwd_iact="${iact_days}"
+ return
+ done
+}
+
+read_expire_date() {
+ local ans
+
+ echo
+ while :
+ do
+ echo -en "Expire date of this account (mm/dd/yy): [${def_expire:-never}] "
+ read ans
+
+ if test -z "${ans}"
+ then
+ if test -z "${def_expire}"
+ then
+ ans="never"
+ else
+ ans="${def_expire}"
+ echo "Using ${def_expire}"
+ fi
+ fi
+
+ if test "${ans}" = "never"
+ then
+ echo "Account will never expire."
+ def_expire=""
+ expire=""
+ return
+ fi
+
+ if ! expr "${ans}" : '^[0-9][0-9]/[0-9][0-9]/[0-9][0-9]$' &> /dev/null
+ then
+ echo "Please use format mm/dd/yy"
+ continue
+ fi
+
+ if ! expire_date="$(date -d ${ans} '+%A, %B %d %Y')"
+ then
+ continue
+ fi
+
+ def_expire="${expire}"
+ return
+ done
+}
+
+read_passwd_yn() {
+ echo -en "\nDo you want to set password [Y/n] ? "
+ if read_yn 0
+ then
+ set_pwd="YES"
+ else
+ set_pwd=""
+ fi
+}
+
+
+print_values() {
+
+clear
+cat << EOM
+
+Login: ${S}${login}${E}
+Group: ${S}${group}${E}
+Other groups: ${S}${other_groups:-[none]}${E}
+
+Real Name: ${S}${name}${E}
+
+uid: ${S}${uid:-[first free]}${E}
+home: ${S}${home}${E}
+shell: ${S}${shell}${E}
+
+Account expiration date: ${S}${expire_date:-never}${E}
+Minimum days between password changes: ${S}${min_days}${E}
+Maximum days between password changes: ${S}${max_days}${E}
+Number of usable days after expiration: ${S}${iact_days}${E}
+Number of warning days before expiration: ${S}${warn_days}${E}
+
+${S}${set_pwd:+Set password for this account.}${E}
+
+EOM
+}
+
+set_user() {
+ if ! useradd \
+ -c "${name}" \
+ -d "${home}" \
+ -g "${group}" \
+ -s "${shell}" \
+ ${expire:+-e ${expire}} \
+ ${uid:+-u ${uid}} \
+ ${other_groups:+-G ${other_groups}} \
+ ${login}
+ then
+ echo "Error ($?) in useradd...exiting..."
+ exit 1
+ fi
+}
+
+set_aging() {
+ if ! passwd \
+ -x ${max_days} \
+ -n ${min_days} \
+ -w ${warn_days} \
+ -i ${iact_days} \
+ ${login}
+ then
+ echo "Error ($?) in setting password aging...exiting..."
+ exit 1
+ fi
+}
+
+set_password() {
+ if test -n "${set_pwd}"
+ then
+ echo
+ passwd ${login}
+ echo
+ fi
+}
+
+set_system() {
+ if test -d "${home}"
+ then
+ echo "Directory ${home} already exists."
+ echo "Skeleton files not copied."
+ return
+ fi
+
+ echo -n "Copying skeleton files..."
+ (
+ mkdir ${home}
+ cd ${skel} && cp -af . ${home}
+ chmod ${def_mode} ${home}
+ chown -R ${login}:${group} ${home}
+ )
+ echo "done."
+
+ ## Add your own stuff here:
+ echo -n "Setting up other files..."
+ (
+ mailbox="/var/spool/mail/${login}"
+ touch ${mailbox}
+ chown "${login}:mail" ${mailbox}
+ chmod 600 ${mailbox}
+ )
+ echo "done."
+}
+
+
+read_values() {
+ clear
+ echo -e "\nPlease answer the following questions about the new user to be added."
+
+ while :
+ do
+ read_login
+ read_name
+ read_group
+ read_other_groups
+ read_home
+ read_shell
+ read_uid
+ read_expire_date
+ read_max_valid_days
+ read_min_valid_days
+ read_warning_days
+ read_inactive_days
+ read_passwd_yn
+
+ print_values
+
+ echo -n "Is this correct [N/y] ? "
+ read_yn 1 && return
+ done
+}
+
+
+main() {
+ check_root
+ read_values
+ set_user
+ set_aging
+ set_system
+ set_password
+}
+
+
+## Run it 8-)
+main
+
+# End.