localadduser



#!/bin/sh
#
# /usr/local/bin/localadduser
# Copyright 2003 Jonas Smedegaard <dr@jones.dk>
#
# $Id: localadduser,v 1.3 2006-08-25 04:36:44 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

pass_len=11
pass_expire=30
pass_warn=14

verbose=1
#simulate=true
interactive=0

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

randompass() {
    gpw 1 $pass_len 2>&- ||
    pwgen $pass_len 1 2>&- ||
    tr -d '[\000-\057][\072-\100][\133-\140][\173-\377]' < /dev/urandom |
        dd bs=$pass_len count=1 2>&-
}

u=$1
shift

for chunk in $@; do
    case $chunk in
        *@*)
        other="${other:+$other }$chunk"
        ;;
        +*)
        phone_area="$chunk"
        ;;
        0*|1*|2*|3*|4*|5*|6*|7*|8*|9*)
        if [ -z "$phone_area" ]; then
            echo "E: Phone number provided without leading area code" >&2
            exit 1
        fi
        if [ -n "$office_phone" ]; then
            echo "E: More than 2 phone numbers provided" >&2
            exit 1
        elif [ -n "$home_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
    echo "E: Area code provided without trailing phonenumber" >&2
    exit 1
fi

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 [ ! "$interactive" -gt 0 ]; then
        echo "E: Not enough info provided to create account for \"$u\"" >&2
        exit 1
    fi
    eval $simulate sudo "/usr/sbin/adduser --disabled-login \"$u\""
fi

vecho -n "generating password for $u..."
pass=$(randompass)
echo "$u:$pass" | eval $simulate sudo "/usr/sbin/chpasswd"
vecho -n "."
#eval $simulate sudo "/usr/bin/chage -M $pass_expire -d 2003-01-01 \"$u\""
eval $simulate sudo "/usr/bin/chage -M$pass_expire -W$pass_warn -d 2003-01-01 \"$u\""
vecho -n "."
vecho "$pass"