path: root/localadduser

#!/bin/sh
#
# /usr/local/bin/localadduser
# Copyright 2003-2006 Jonas Smedegaard <dr@jones.dk>
#
# $Id: localadduser,v 1.5 2006-08-31 22:51:54 jonas Exp $
#
# Execute adduser noninteractively through sudo
#
# TODO: Check for bad arguments
# TODO: Use getopts to offer help
# TODO: Support overriding options in /etc/local file
#

set -e

verbose=1
#simulate=true
interactive=0

# echo something, but only if in verbose mode
vecho() {
    test -n "$verbose" && echo "$@" >&2
}

exit1() {
    response="${1:+Error: }${1:-Internal error!}"
    echo "$response"
    exit 1
}

u=$1
shift

for chunk in $@; do
    case $chunk in
        @*)
        groupchunks="${groupchunks:+$groupchunks }$chunk"
        ;;
        *@*)
        other="${other:+$other }$chunk"
        ;;
        +*)
        phone_area="$chunk"
        ;;
        0*|1*|2*|3*|4*|5*|6*|7*|8*|9*)
        if [ -z "$phone_area" ]; then
            exit1 "Phone number provided without leading area code!"
        fi
        if [ -n "$home_phone" ]; then
            exit1 "More than 2 phone numbers provided!"
        elif [ -n "$office_phone" ]; then
            office_phone="$phone_area $chunk"
        else
            home_phone="$phone_area $chunk"
        fi
        phone_area=""
        ;;
        *)
        fullname="${fullname:+$fullname }$chunk"
        ;;
    esac
done

if [ -n "$phone_area" ]; then
    exit1 "Area code provided without trailing phonenumber!"
fi

for groupchunk in $groupchunks; do
    group="$(echo "$groupchunk" | perl -pe 's/^@//;')"
    if echo "$group" | perl -ne '/^[a-z][a-z0-9_-]*$/ and exit 1;'; then
        exit1 "Group \"$group\" contains illegal characters!"
    fi
    if ! members="$(getent group "$group")"; then
        exit1 "Group \"$group\" does not exist!"
    fi
    if echo "$members" | perl -pe 's/.*://; s/,/\n/g' | grep -Fxq "$u"; then
        exit1 "Group \"$group\" already contains user \"$u\"!"
    fi
    groups="${groups:+$groups }$group"
done

if [ ! "$interactive" -gt 0 ]; then
    quiet="--quiet"
fi
if [ -n "$fullname$office_phone$home_phone$other" ]; then
    eval $simulate sudo "/usr/sbin/adduser $quiet --disabled-login --gecos \"$fullname,,$office_phone,$home_phone,$other\" \"$u\""
else
    if [ ! "$interactive" -gt 0 ]; then
        exit1 "Not enough info provided to create account for \"$u\"!"
    fi
    eval $simulate sudo "/usr/sbin/adduser --disabled-login \"$u\""
fi

for group in $groups; do
    eval $simulate sudo "/usr/sbin/adduser $quiet \"$u\" \"$group\""
done

eval $simulate localresetpasswd "$u"

#vecho "Account \"$u\" created succesfully! Password is $pass"