#!/usr/bin/sh
#----------------------------------------------------------------------------
# /var/install/bin/proftpd-check-vusers - check proftpd virtual users
#
# 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"

# ---------------------------------------------------------------------------
# check if console minium 80x24
# ---------------------------------------------------------------------------
check_screensize

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

gotoyx() { echo -e "\033[$1;$2H\c"; }

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

# ---------------------------------------------------------------------------
# print header line
# ---------------------------------------------------------------------------
print_header_line()
{
    techo --row ' ' --info 'User' --info 'Home' --info 'Home exists' --info 'Unix User'
}

# ---------------------------------------------------------------------------
# main
# ---------------------------------------------------------------------------
clrhome
mecho --info "Check ProFTPD virtual users"
mecho
techo --begin '2 19 35 14 10'

print_header_line

if [ ! ${PROFTPD_ENABLE_VIRTUAL_USERS} = 'yes' ]
then
    mecho --error "ProFTPD virtual users are not enabled"
    mecho --error "no users are checked"
    techo --end
    echo
    anykey
    exit
fi


row=0
header_row=0

cat $proftpd_virtual_user_passwd |
while read line
do
    user=$(echo "$line" | cut -d: -f 1)
    uid=$(echo "$line" | cut -d: -f 3)
    gid=$(echo "$line" | cut -d: -f 4)
    home=$(echo "$line" | cut -d: -f 6)

    [ -d $home ] && hexists='yes' || hexists='no'

    if getent passwd  "${user}" >/dev/null 2>&1
    then
        pexists='yes'
    else
        pexists='no'
    fi

    techo --row ' ' "$user" "$home" "$hexists" "$pexists"

    row=$((${row} + 1))
    header_row=$((${header_row} + 1))

    refresh_screensize

    if [ ${_EISLIB_SCREENSIZE_Y} -lt $((${header_row} + 6)) ]
    then
        print_header_line
        header_row=0
    fi
done

    refresh_screensize
    echo
    echo
    echo
    echo
    techo --end
    gotoyx $((${_EISLIB_SCREENSIZE_Y} - 3)) 1
    echo
    # set info line to screen is $row  + 6 -gt $LINES
    if [ ${_EISLIB_SCREENSIZE_Y} -lt $((${row} + 6)) ]
    then
        mecho --info "Use SHIFT + PAGE-UP to scroll up"
    fi

echo
anykey
# ---------------------------------------------------------------------------
# end
# ---------------------------------------------------------------------------