#!/bin/sh

#
# (c) spd_at_daphne.cps.unizar.es
# Thu Nov 18 09:05:31 CET 2004
# License: Cantoware - Si te gusta ya te puedes dar con un canto en los dientes
#
# This script will change some user's shell
# Needs: root privileges
#


ECHO=/usr/bin/echo
DO=
usage()
{
	echo "Use: `basename $0` [-hqn] name newshell"
	echo "-q: quiet"
	echo "-n: do nothing"
}

set -- `getopt hqn $*`
for i in $*
do
	case $i in
	-q) ECHO=:; shift;;
	-n) DO=echo; shift;;
	-h)
		usage
		exit 0
		;;
	esac
done

umask 077

set -e

name=$2
shell="$3"

if [ "_$name" = "_" ]
then
        echo "Empty name"
        usage
        exit 1
fi

if [ "_$shell" = "_" ]
then
        echo "Empty shell"
        usage
        exit 1
fi

egrep -e "^$shell\$" /etc/shells || (
	echo Warning: \""$shell"\" is not in /etc/shells
)

test -x ${shell} || echo "Warning: \"$shell\" is not executable"

echo Setting $name shell to \""$shell"\"

domain=`domainname`

# passwd # name passwd uid gid gcos home shell shadow
# cred # cname auth_type auth_name public_data private_data

nismatch name=$name passwd.org_dir && \
(
	$DO nistbladm -m shell="$shell" "[name=$name]",passwd.org_dir
) || \
echo user \"$name\" not found