[ webhacking.kr ] 54번 old
sangjuns
·2022. 1. 26. 14:21
문제 소스
<html>
<head>
<title>Challenge 54</title>
</head>
<body>
<h1><b>Password is <font id=aview></font></b></h1>
<script>
function run(){
if(window.ActiveXObject){
try {
return new ActiveXObject('Msxml2.XMLHTTP');
} catch (e) {
try {
return new ActiveXObject('Microsoft.XMLHTTP');
} catch (e) {
return null;
}
}
}else if(window.XMLHttpRequest){
return new XMLHttpRequest();
}else{
return null;
}
}
x=run();
function answer(i){
x.open('GET','?m='+i,false);
x.send(null);
aview.innerHTML=x.responseText;
i++;
if(x.responseText) setTimeout("answer("+i+")",20);
if(x.responseText=="") aview.innerHTML="?";
}
setTimeout("answer(0)",1000);
</script>
</body>
</html>
문제 풀이
function run(){
if(window.ActiveXObject){
try {
return new ActiveXObject('Msxml2.XMLHTTP');
} catch (e) {
try {
return new ActiveXObject('Microsoft.XMLHTTP');
} catch (e) {
return null;
}
}
}else if(window.XMLHttpRequest){
return new XMLHttpRequest();
}else{
return null;
}
}
x=run();
function answer(i){
x.open('GET','?m='+i,false);
x.send(null);
aview.innerHTML+=x.responseText;
i++;
if(x.responseText) setTimeout("answer("+i+")",20);
if(x.responseText=="") aview.innerHTML="?";
}
setTimeout("answer(0)",1000)
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