#!/usr/bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/proftpd-show-vuser - Show  proftpd virtual user
#
# Creation:     2019-09-13  ap
# Last Update:  $Id$
#
# Copyright (c) 2019-2022 Ansgar Puester, ansgar.puester(at)freenet(dot)de
# Copyright (c) 2024-@@YEAR@@ Holger Bruenjes, holgerbruenjes(at)gmx(dot)net
#
# 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 of the License, or
# (at your option) any later version.
#----------------------------------------------------------------------------

# include eislib
. /var/install/include/eislib

proftpd_virtual_user_auth='/etc/proftpd/auth'
proftpd_virtual_user_passwd="${proftpd_virtual_user_auth}/passwd"
proftpd_virtual_user_group="${proftpd_virtual_user_auth}/group"

ASK='/var/install/bin/ask'
# ---------------------------------------------------------------------------
# check if console minium 80x24
# ---------------------------------------------------------------------------
check_screensize

case ${?} in
    0)
        : # nothing to do
        ;;
    *)
        exit 1
        ;;
esac

config_file='/etc/config.d/proftpd'
. ${config_file}


# ---------------------------------------------------------------------------
# print header line
# ---------------------------------------------------------------------------
print_header_line()
{
    clrhome
    mecho --info "Show ProFTPD virtual user"
}

# ---------------------------------------------------------------------------
# print footer
# ---------------------------------------------------------------------------
footer()
{
    mecho
    _ask_tmpfile=$(mktemp -t XXXXXXXXXXXXX)
    ${ASK} "Continue" 'no' >${_ask_tmpfile}
    rc=${?}
    read answer < ${_ask_tmpfile}
    rm -f ${_ask_tmpfile}
    if [ ${rc} = 255 ]
    then
        answer=no
    fi

    case "${answer}" in
    no)
        ret=1
        ;;
    yes)
        ret=0
        ;;
    esac

    return ${ret}
}

print_header_line

if [ ! ${PROFTPD_ENABLE_VIRTUAL_USERS} = 'yes' ]
then
    mecho --error "ProFTPd virtual users are not enabled"
    mecho --error "no user can be selected"
    footer
    exit
fi

fini=false

while [ $fini = 'false' ]
do
    mecho
    _ask_tmpfile=$(mktemp -t XXXXXXXXXXXXX)
    ${ASK} "ProFTPd virtual user" "" "+" >${_ask_tmpfile}
    rc=${?}
    read user < ${_ask_tmpfile}
    rm -f ${_ask_tmpfile}
    if [ ${rc} = 255 ]
    then
        user=''
    fi

    if [ -n "${user}" ]
    then
        if [ -s "${proftpd_virtual_user_passwd}" ]
        then
            if grep -q "^${user}:" ${proftpd_virtual_user_passwd}
            then
                line=$(grep "^${user}:" ${proftpd_virtual_user_passwd})
                user=$(echo "$line" | cut -d: -f 1)
                pw=$(echo "$line" | cut -d: -f 2)
                uid=$(echo "$line" | cut -d: -f 3)
                gid=$(echo "$line" | cut -d: -f 4)
                home=$(echo "$line" | cut -d: -f 6)

                gline=$(grep ":${gid}:" ${proftpd_virtual_user_group})
                group=$(echo "$gline" | cut -d: -f 1)

                echo "Login              : ${user}"
                echo "Password           : ${pw}"
                echo "UID                : ${uid}"
                echo "GID                : ${gid} (${group})"
                echo "Directory          : ${home}"
            else
                mecho -n --error "ProFTPD virtual user "
                mecho -n "'${user}' "
                mecho --error "does not exist"
            fi
        else
             mecho --error "No ProFTPD virtual users are defined"
        fi
    fi

    if footer
    then
        print_header_line
    else
        fini=true
    fi
done

# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------