#!/bin/sh
# $Id$
#
# This is a fake wallet backend that returns bogus data for verification by
# the client test suite.  It doesn't test any of the wallet server code.
#
# Written by Russ Allbery <rra@stanford.edu>
# Copyright 2007, 2008 Board of Trustees, Leland Stanford Jr. University
# See LICENSE for licensing terms.

command="$1"
shift
type="$1"
shift
if [ "$type" != "keytab" ] && [ "$type" != "file" ] ; then
    echo "Unknown object type $type" >&2
    exit 1
fi

case "$command" in
getattr)
    if [ -n "$3" ] ; then
        echo "Too many arguments" >&2
        exit 1
    fi
    if [ "$type" != "keytab" ] || [ "$2" != sync ] ; then
        echo "Unknown attribute $2" >&2
        exit 1
    fi
    case "$1" in
    service/fake-srvtab)
        if [ -f sync-kaserver ] ; then
            echo "kaserver"
        fi
        ;;
    *)
        echo "Looking at sync attribute of wrong keytab" >&2
        exit 1
        ;;
    esac
    ;;
setattr)
    if [ -n "$4" ] ; then
        echo "Too many arguments" >&2
        exit 1
    fi
    if [ "$type" != "keytab" ] || [ "$2" != sync ] ; then
        echo "Unknown attribute $2" >&2
        exit 1
    fi
    case "$1" in
    service/fake-srvtab)
        if [ "$3" = "kaserver" ] ; then
            touch sync-kaserver
        else
            if [ "$3" = "" ] ; then
                rm sync-kaserver
            else
                echo "Invalid attribute value $3" >&2
                exit 1
            fi
        fi
        ;;
    *)
        echo "Looking at sync attribute of wrong keytab" >&2
        exit 1
        ;;
    esac
    ;;
check)
    if [ -n "$2" ] ; then
        echo "Too many arguments" >&2
        exit 1
    fi
    case "${type}:${1}" in
    file:fake-test)
        if [ -f autocreated ] ; then
            echo 'yes'
        else
            echo 'no'
        fi
        ;;
    *)
        echo 'yes'
        ;;
    esac
    exit 0
    ;;
autocreate)
    if [ -n "$2" ] ; then
        echo "Too many arguments" >&2
        exit 1
    fi
    case "${type}:${1}" in
    file:fake-test)
        touch autocreated
        exit 0
        ;;
    *)
        echo "Autocreate called for existing object" >&2
        exit 1
        ;;
    esac
    ;;
get)
    if [ -n "$2" ] ; then
        echo "Too many arguments" >&2
        exit 1
    fi
    case "${type}:${1}" in
    file:fake-test)
        cat data/fake-data
        exit 0
        ;;
    keytab:service/fake-srvtab)
        cat data/fake-keytab
        exit 0
        ;;
    keytab:service/fake-keytab)
        cat data/fake-keytab-2
        exit 0
        ;;
    keytab:service/fake-output)
        printf 'This is a fake keytab.'
        exit 0
        ;;
    *)
        echo "Unknown $type $1" >&2
        exit 1
        ;;
    esac
    ;;
store)
    if [ -n "$3" ] ; then
        echo "Too many arguments" >&2
        exit 1
    fi
    printf "$type $1\n$2" > store-output
    ;;
show)
    if [ -n "$2" ] ; then
        echo "Too many arguments" >&2
        exit 1
    fi
    if [ "$type" = "file" ] && [ "$1" = "fake-test" ] ; then
        echo "Some stuff about $type $1"
        exit 0
    else
        echo "Unknown $type $1" >&2
        exit 1
    fi
    ;;
expires)
    if [ -n "$2" ] ; then
        echo "Too many arguments" >&2
        exit 1
    fi
    echo "Expiration date of $type $1"
    exit 0
    ;;
*)
    echo "Unknown command $command" >&2
    exit 1
    ;;
esac