From 46764615208080b9babb66362111e324dec687ff Mon Sep 17 00:00:00 2001
From: "Paul S. Owen" <psotfx@users.sourceforge.net>
Date: Tue, 7 Jan 2003 20:19:48 +0000
Subject: [PATCH] MD5 javascript and minor changes

git-svn-id: file:///svn/phpbb/trunk@3271 89ea8834-ac86-4346-8a33-228a782c2dd0
---
 phpBB/templates/subSilver/index_body.html | 257 +++++++++++++++++++++-
 phpBB/templates/subSilver/login_body.html | 255 +++++++++++++++++++++
 2 files changed, 511 insertions(+), 1 deletion(-)

diff --git a/phpBB/templates/subSilver/index_body.html b/phpBB/templates/subSilver/index_body.html
index 71137afc4a..cf3ab9d5db 100644
--- a/phpBB/templates/subSilver/index_body.html
+++ b/phpBB/templates/subSilver/index_body.html
@@ -1,5 +1,260 @@
 <!-- INCLUDE overall_header.html -->
 
+<script language="javascript" type="text/javascript">
+<!--
+/*
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Copyright (C) Paul Johnston 1999 - 2000.
+ * Updated by Greg Holt 2000 - 2001.
+ * See http://pajhome.org.uk/site/legal.html for details.
+ */
+
+/*
+ * Convert a 32-bit number to a hex string with ls-byte first
+ */
+var hex_chr = "0123456789abcdef";
+function rhex(num)
+{
+  str = "";
+  for(j = 0; j <= 3; j++)
+    str += hex_chr.charAt((num >> (j * 8 + 4)) & 0x0F) +
+           hex_chr.charAt((num >> (j * 8)) & 0x0F);
+  return str;
+}
+
+/*
+ * Convert a string to a sequence of 16-word blocks, stored as an array.
+ * Append padding bits and the length, as described in the MD5 standard.
+ */
+function str2blks_MD5(str)
+{
+  nblk = ((str.length + 8) >> 6) + 1;
+  blks = new Array(nblk * 16);
+  for(i = 0; i < nblk * 16; i++) blks[i] = 0;
+  for(i = 0; i < str.length; i++)
+    blks[i >> 2] |= str.charCodeAt(i) << ((i % 4) * 8);
+  blks[i >> 2] |= 0x80 << ((i % 4) * 8);
+  blks[nblk * 16 - 2] = str.length * 8;
+  return blks;
+}
+
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally 
+ * to work around bugs in some JS interpreters.
+ */
+function add(x, y)
+{
+  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
+  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+  return (msw << 16) | (lsw & 0xFFFF);
+}
+
+/*
+ * Bitwise rotate a 32-bit number to the left
+ */
+function rol(num, cnt)
+{
+  return (num << cnt) | (num >>> (32 - cnt));
+}
+
+/*
+ * These functions implement the basic operation for each round of the
+ * algorithm.
+ */
+function cmn(q, a, b, x, s, t)
+{
+  return add(rol(add(add(a, q), add(x, t)), s), b);
+}
+function ff(a, b, c, d, x, s, t)
+{
+  return cmn((b & c) | ((~b) & d), a, b, x, s, t);
+}
+function gg(a, b, c, d, x, s, t)
+{
+  return cmn((b & d) | (c & (~d)), a, b, x, s, t);
+}
+function hh(a, b, c, d, x, s, t)
+{
+  return cmn(b ^ c ^ d, a, b, x, s, t);
+}
+function ii(a, b, c, d, x, s, t)
+{
+  return cmn(c ^ (b | (~d)), a, b, x, s, t);
+}
+
+/*
+ * Take a string and return the hex representation of its MD5.
+ */
+function MD5(str)
+{
+  x = str2blks_MD5(str);
+  var a =  1732584193;
+  var b = -271733879;
+  var c = -1732584194;
+  var d =  271733878;
+ 
+  for(i = 0; i < x.length; i += 16)
+  {
+    var olda = a;
+    var oldb = b;
+    var oldc = c;
+    var oldd = d;
+
+    a = ff(a, b, c, d, x[i+ 0], 7 , -680876936);
+    d = ff(d, a, b, c, x[i+ 1], 12, -389564586);
+    c = ff(c, d, a, b, x[i+ 2], 17,  606105819);
+    b = ff(b, c, d, a, x[i+ 3], 22, -1044525330);
+    a = ff(a, b, c, d, x[i+ 4], 7 , -176418897);
+    d = ff(d, a, b, c, x[i+ 5], 12,  1200080426);
+    c = ff(c, d, a, b, x[i+ 6], 17, -1473231341);
+    b = ff(b, c, d, a, x[i+ 7], 22, -45705983);
+    a = ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
+    d = ff(d, a, b, c, x[i+ 9], 12, -1958414417);
+    c = ff(c, d, a, b, x[i+10], 17, -42063);
+    b = ff(b, c, d, a, x[i+11], 22, -1990404162);
+    a = ff(a, b, c, d, x[i+12], 7 ,  1804603682);
+    d = ff(d, a, b, c, x[i+13], 12, -40341101);
+    c = ff(c, d, a, b, x[i+14], 17, -1502002290);
+    b = ff(b, c, d, a, x[i+15], 22,  1236535329);    
+
+    a = gg(a, b, c, d, x[i+ 1], 5 , -165796510);
+    d = gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
+    c = gg(c, d, a, b, x[i+11], 14,  643717713);
+    b = gg(b, c, d, a, x[i+ 0], 20, -373897302);
+    a = gg(a, b, c, d, x[i+ 5], 5 , -701558691);
+    d = gg(d, a, b, c, x[i+10], 9 ,  38016083);
+    c = gg(c, d, a, b, x[i+15], 14, -660478335);
+    b = gg(b, c, d, a, x[i+ 4], 20, -405537848);
+    a = gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
+    d = gg(d, a, b, c, x[i+14], 9 , -1019803690);
+    c = gg(c, d, a, b, x[i+ 3], 14, -187363961);
+    b = gg(b, c, d, a, x[i+ 8], 20,  1163531501);
+    a = gg(a, b, c, d, x[i+13], 5 , -1444681467);
+    d = gg(d, a, b, c, x[i+ 2], 9 , -51403784);
+    c = gg(c, d, a, b, x[i+ 7], 14,  1735328473);
+    b = gg(b, c, d, a, x[i+12], 20, -1926607734);
+    
+    a = hh(a, b, c, d, x[i+ 5], 4 , -378558);
+    d = hh(d, a, b, c, x[i+ 8], 11, -2022574463);
+    c = hh(c, d, a, b, x[i+11], 16,  1839030562);
+    b = hh(b, c, d, a, x[i+14], 23, -35309556);
+    a = hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
+    d = hh(d, a, b, c, x[i+ 4], 11,  1272893353);
+    c = hh(c, d, a, b, x[i+ 7], 16, -155497632);
+    b = hh(b, c, d, a, x[i+10], 23, -1094730640);
+    a = hh(a, b, c, d, x[i+13], 4 ,  681279174);
+    d = hh(d, a, b, c, x[i+ 0], 11, -358537222);
+    c = hh(c, d, a, b, x[i+ 3], 16, -722521979);
+    b = hh(b, c, d, a, x[i+ 6], 23,  76029189);
+    a = hh(a, b, c, d, x[i+ 9], 4 , -640364487);
+    d = hh(d, a, b, c, x[i+12], 11, -421815835);
+    c = hh(c, d, a, b, x[i+15], 16,  530742520);
+    b = hh(b, c, d, a, x[i+ 2], 23, -995338651);
+
+    a = ii(a, b, c, d, x[i+ 0], 6 , -198630844);
+    d = ii(d, a, b, c, x[i+ 7], 10,  1126891415);
+    c = ii(c, d, a, b, x[i+14], 15, -1416354905);
+    b = ii(b, c, d, a, x[i+ 5], 21, -57434055);
+    a = ii(a, b, c, d, x[i+12], 6 ,  1700485571);
+    d = ii(d, a, b, c, x[i+ 3], 10, -1894986606);
+    c = ii(c, d, a, b, x[i+10], 15, -1051523);
+    b = ii(b, c, d, a, x[i+ 1], 21, -2054922799);
+    a = ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
+    d = ii(d, a, b, c, x[i+15], 10, -30611744);
+    c = ii(c, d, a, b, x[i+ 6], 15, -1560198380);
+    b = ii(b, c, d, a, x[i+13], 21,  1309151649);
+    a = ii(a, b, c, d, x[i+ 4], 6 , -145523070);
+    d = ii(d, a, b, c, x[i+11], 10, -1120210379);
+    c = ii(c, d, a, b, x[i+ 2], 15,  718787259);
+    b = ii(b, c, d, a, x[i+ 9], 21, -343485551);
+
+    a = add(a, olda);
+    b = add(b, oldb);
+    c = add(c, oldc);
+    d = add(d, oldd);
+  }
+  return rhex(a) + rhex(b) + rhex(c) + rhex(d);
+}
+
+function valid_js() {
+   // anything that claims NS 4 or higher functionality better work 
+   if (navigator.userAgent.indexOf("Mozilla/") == 0) {
+      return (parseInt(navigator.appVersion) >= 4);
+   }
+   return false;
+}
+ 
+function hash(form,login_url) {
+    // this is Javascript enabled browser
+    //document.login_form[".js"].value=1;
+    // rudimentary check for a 4.x brower. should catch IE4+ and NS4.*
+    var url;
+
+    if (arguments.length > 1 && login_url != "") { // in case login_url is not passed in
+      url = login_url;
+    } else {
+      url = "http://login.yahoo.com/config/login";
+    }
+    url += "?";
+      
+    if (valid_js()) {
+      var passwd = form.passwd.value;
+      var hash1 = MD5(form.passwd.value);
+      var challenge = form[".challenge"].value;
+      var hash2 = MD5(form.passwd.value) + challenge;
+      var hash;
+      if(form.passwd.value){
+        hash=MD5(hash2);
+      } else {
+        hash="";
+      }
+      var js = 0;
+
+      for(i=0; i<form.elements.length; i++){
+        if(form.elements[i].name.length <=0) {
+          continue;
+        }
+        if(i > 0){
+          url += "&";
+        }
+        url += form.elements[i].name;
+        url += "=";
+        if(form.elements[i].name == "passwd"){
+          url += hash;
+        } else if (form.elements[i].type == "checkbox" && !form.elements[i].checked) {
+          url += "";
+        } else if (form.elements[i].type == "radio" && !form.elements[i].checked) {
+          url += "";
+        } else if (form.elements[i].name == ".save"){
+          url += "1"; // "Sign in" causes problem with the space
+        } else if (form.elements[i].name == ".js"){
+          js = 1;
+          url += "1"; 
+        } else {
+          url += escape(form.elements[i].value);
+        }
+      }
+      // indicate the password is hashed.
+      url += "&.hash=1";
+      if(js == 0){
+        url += "&.js=1";
+      }
+      url += "&.md5=1";
+      //alert("url=" + url);
+      location.href=url;
+      // prevent from running this again. Allow the server response to submit the form directly
+      form.onsubmit=null;
+
+      // abort normal form submission
+      return false;
+    }
+    // allow normal form submission
+    return true;
+}
+//-->
+</script>
+
 <table width="100%" cellspacing="0" cellpadding="2" border="0" align="center">
 	<tr>
 		<td width="100%" align="left" valign="bottom"><table width="100%" cellspacing="0" cellpadding="0" border="0">
@@ -67,7 +322,7 @@
 	</tr>
 	<tr>
 		<td class="row1" height="28" align="center" valign="middle"><span class="gensmall">{L_USERNAME}:
-		<input class="post" type="text" name="username" size="10" />&nbsp; &nbsp;{L_PASSWORD}: <input class="post" type="password" name="password" size="10" />&nbsp; &nbsp; {L_AUTO_LOGIN} <input class="text" type="checkbox" name="autologin" />&nbsp; &nbsp;<input type="submit" class="mainoption" name="login" value="{L_LOGIN}" /></span></td>
+		<input class="post" type="text" name="username" size="10" />&nbsp; &nbsp;{L_PASSWORD}: <input class="post" type="password" name="password" size="10" />&nbsp; &nbsp; {L_LOG_ME_IN} <input class="text" type="checkbox" name="autologin" />&nbsp; &nbsp;<input type="submit" class="mainoption" name="login" value="{L_LOGIN}" /></span></td>
 	</tr>
 </table></form>
 <!-- ENDIF -->
diff --git a/phpBB/templates/subSilver/login_body.html b/phpBB/templates/subSilver/login_body.html
index c11cdd98f3..a74ee2cfcf 100644
--- a/phpBB/templates/subSilver/login_body.html
+++ b/phpBB/templates/subSilver/login_body.html
@@ -1,5 +1,260 @@
 <!-- INCLUDE overall_header.html -->
+
+<script language="javascript" type="text/javascript">
+<!--
+/*
+ * A JavaScript implementation of the RSA Data Security, Inc. MD5 Message
+ * Digest Algorithm, as defined in RFC 1321.
+ * Copyright (C) Paul Johnston 1999 - 2000.
+ * Updated by Greg Holt 2000 - 2001.
+ * See http://pajhome.org.uk/site/legal.html for details.
+ */
+
+/*
+ * Convert a 32-bit number to a hex string with ls-byte first
+ */
+var hex_chr = "0123456789abcdef";
+function rhex(num)
+{
+  str = "";
+  for(j = 0; j <= 3; j++)
+    str += hex_chr.charAt((num >> (j * 8 + 4)) & 0x0F) +
+           hex_chr.charAt((num >> (j * 8)) & 0x0F);
+  return str;
+}
+
+/*
+ * Convert a string to a sequence of 16-word blocks, stored as an array.
+ * Append padding bits and the length, as described in the MD5 standard.
+ */
+function str2blks_MD5(str)
+{
+  nblk = ((str.length + 8) >> 6) + 1;
+  blks = new Array(nblk * 16);
+  for(i = 0; i < nblk * 16; i++) blks[i] = 0;
+  for(i = 0; i < str.length; i++)
+    blks[i >> 2] |= str.charCodeAt(i) << ((i % 4) * 8);
+  blks[i >> 2] |= 0x80 << ((i % 4) * 8);
+  blks[nblk * 16 - 2] = str.length * 8;
+  return blks;
+}
+
+/*
+ * Add integers, wrapping at 2^32. This uses 16-bit operations internally 
+ * to work around bugs in some JS interpreters.
+ */
+function add(x, y)
+{
+  var lsw = (x & 0xFFFF) + (y & 0xFFFF);
+  var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
+  return (msw << 16) | (lsw & 0xFFFF);
+}
+
+/*
+ * Bitwise rotate a 32-bit number to the left
+ */
+function rol(num, cnt)
+{
+  return (num << cnt) | (num >>> (32 - cnt));
+}
+
+/*
+ * These functions implement the basic operation for each round of the
+ * algorithm.
+ */
+function cmn(q, a, b, x, s, t)
+{
+  return add(rol(add(add(a, q), add(x, t)), s), b);
+}
+function ff(a, b, c, d, x, s, t)
+{
+  return cmn((b & c) | ((~b) & d), a, b, x, s, t);
+}
+function gg(a, b, c, d, x, s, t)
+{
+  return cmn((b & d) | (c & (~d)), a, b, x, s, t);
+}
+function hh(a, b, c, d, x, s, t)
+{
+  return cmn(b ^ c ^ d, a, b, x, s, t);
+}
+function ii(a, b, c, d, x, s, t)
+{
+  return cmn(c ^ (b | (~d)), a, b, x, s, t);
+}
+
+/*
+ * Take a string and return the hex representation of its MD5.
+ */
+function MD5(str)
+{
+  x = str2blks_MD5(str);
+  var a =  1732584193;
+  var b = -271733879;
+  var c = -1732584194;
+  var d =  271733878;
  
+  for(i = 0; i < x.length; i += 16)
+  {
+    var olda = a;
+    var oldb = b;
+    var oldc = c;
+    var oldd = d;
+
+    a = ff(a, b, c, d, x[i+ 0], 7 , -680876936);
+    d = ff(d, a, b, c, x[i+ 1], 12, -389564586);
+    c = ff(c, d, a, b, x[i+ 2], 17,  606105819);
+    b = ff(b, c, d, a, x[i+ 3], 22, -1044525330);
+    a = ff(a, b, c, d, x[i+ 4], 7 , -176418897);
+    d = ff(d, a, b, c, x[i+ 5], 12,  1200080426);
+    c = ff(c, d, a, b, x[i+ 6], 17, -1473231341);
+    b = ff(b, c, d, a, x[i+ 7], 22, -45705983);
+    a = ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);
+    d = ff(d, a, b, c, x[i+ 9], 12, -1958414417);
+    c = ff(c, d, a, b, x[i+10], 17, -42063);
+    b = ff(b, c, d, a, x[i+11], 22, -1990404162);
+    a = ff(a, b, c, d, x[i+12], 7 ,  1804603682);
+    d = ff(d, a, b, c, x[i+13], 12, -40341101);
+    c = ff(c, d, a, b, x[i+14], 17, -1502002290);
+    b = ff(b, c, d, a, x[i+15], 22,  1236535329);    
+
+    a = gg(a, b, c, d, x[i+ 1], 5 , -165796510);
+    d = gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
+    c = gg(c, d, a, b, x[i+11], 14,  643717713);
+    b = gg(b, c, d, a, x[i+ 0], 20, -373897302);
+    a = gg(a, b, c, d, x[i+ 5], 5 , -701558691);
+    d = gg(d, a, b, c, x[i+10], 9 ,  38016083);
+    c = gg(c, d, a, b, x[i+15], 14, -660478335);
+    b = gg(b, c, d, a, x[i+ 4], 20, -405537848);
+    a = gg(a, b, c, d, x[i+ 9], 5 ,  568446438);
+    d = gg(d, a, b, c, x[i+14], 9 , -1019803690);
+    c = gg(c, d, a, b, x[i+ 3], 14, -187363961);
+    b = gg(b, c, d, a, x[i+ 8], 20,  1163531501);
+    a = gg(a, b, c, d, x[i+13], 5 , -1444681467);
+    d = gg(d, a, b, c, x[i+ 2], 9 , -51403784);
+    c = gg(c, d, a, b, x[i+ 7], 14,  1735328473);
+    b = gg(b, c, d, a, x[i+12], 20, -1926607734);
+    
+    a = hh(a, b, c, d, x[i+ 5], 4 , -378558);
+    d = hh(d, a, b, c, x[i+ 8], 11, -2022574463);
+    c = hh(c, d, a, b, x[i+11], 16,  1839030562);
+    b = hh(b, c, d, a, x[i+14], 23, -35309556);
+    a = hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
+    d = hh(d, a, b, c, x[i+ 4], 11,  1272893353);
+    c = hh(c, d, a, b, x[i+ 7], 16, -155497632);
+    b = hh(b, c, d, a, x[i+10], 23, -1094730640);
+    a = hh(a, b, c, d, x[i+13], 4 ,  681279174);
+    d = hh(d, a, b, c, x[i+ 0], 11, -358537222);
+    c = hh(c, d, a, b, x[i+ 3], 16, -722521979);
+    b = hh(b, c, d, a, x[i+ 6], 23,  76029189);
+    a = hh(a, b, c, d, x[i+ 9], 4 , -640364487);
+    d = hh(d, a, b, c, x[i+12], 11, -421815835);
+    c = hh(c, d, a, b, x[i+15], 16,  530742520);
+    b = hh(b, c, d, a, x[i+ 2], 23, -995338651);
+
+    a = ii(a, b, c, d, x[i+ 0], 6 , -198630844);
+    d = ii(d, a, b, c, x[i+ 7], 10,  1126891415);
+    c = ii(c, d, a, b, x[i+14], 15, -1416354905);
+    b = ii(b, c, d, a, x[i+ 5], 21, -57434055);
+    a = ii(a, b, c, d, x[i+12], 6 ,  1700485571);
+    d = ii(d, a, b, c, x[i+ 3], 10, -1894986606);
+    c = ii(c, d, a, b, x[i+10], 15, -1051523);
+    b = ii(b, c, d, a, x[i+ 1], 21, -2054922799);
+    a = ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);
+    d = ii(d, a, b, c, x[i+15], 10, -30611744);
+    c = ii(c, d, a, b, x[i+ 6], 15, -1560198380);
+    b = ii(b, c, d, a, x[i+13], 21,  1309151649);
+    a = ii(a, b, c, d, x[i+ 4], 6 , -145523070);
+    d = ii(d, a, b, c, x[i+11], 10, -1120210379);
+    c = ii(c, d, a, b, x[i+ 2], 15,  718787259);
+    b = ii(b, c, d, a, x[i+ 9], 21, -343485551);
+
+    a = add(a, olda);
+    b = add(b, oldb);
+    c = add(c, oldc);
+    d = add(d, oldd);
+  }
+  return rhex(a) + rhex(b) + rhex(c) + rhex(d);
+}
+
+function valid_js() {
+   // anything that claims NS 4 or higher functionality better work 
+   if (navigator.userAgent.indexOf("Mozilla/") == 0) {
+      return (parseInt(navigator.appVersion) >= 4);
+   }
+   return false;
+}
+ 
+function hash(form,login_url) {
+    // this is Javascript enabled browser
+    //document.login_form[".js"].value=1;
+    // rudimentary check for a 4.x brower. should catch IE4+ and NS4.*
+    var url;
+
+    if (arguments.length > 1 && login_url != "") { // in case login_url is not passed in
+      url = login_url;
+    } else {
+      url = "http://login.yahoo.com/config/login";
+    }
+    url += "?";
+      
+    if (valid_js()) {
+      var passwd = form.passwd.value;
+      var hash1 = MD5(form.passwd.value);
+      var challenge = form[".challenge"].value;
+      var hash2 = MD5(form.passwd.value) + challenge;
+      var hash;
+      if(form.passwd.value){
+        hash=MD5(hash2);
+      } else {
+        hash="";
+      }
+      var js = 0;
+
+      for(i=0; i<form.elements.length; i++){
+        if(form.elements[i].name.length <=0) {
+          continue;
+        }
+        if(i > 0){
+          url += "&";
+        }
+        url += form.elements[i].name;
+        url += "=";
+        if(form.elements[i].name == "passwd"){
+          url += hash;
+        } else if (form.elements[i].type == "checkbox" && !form.elements[i].checked) {
+          url += "";
+        } else if (form.elements[i].type == "radio" && !form.elements[i].checked) {
+          url += "";
+        } else if (form.elements[i].name == ".save"){
+          url += "1"; // "Sign in" causes problem with the space
+        } else if (form.elements[i].name == ".js"){
+          js = 1;
+          url += "1"; 
+        } else {
+          url += escape(form.elements[i].value);
+        }
+      }
+      // indicate the password is hashed.
+      url += "&.hash=1";
+      if(js == 0){
+        url += "&.js=1";
+      }
+      url += "&.md5=1";
+      //alert("url=" + url);
+      location.href=url;
+      // prevent from running this again. Allow the server response to submit the form directly
+      form.onsubmit=null;
+
+      // abort normal form submission
+      return false;
+    }
+    // allow normal form submission
+    return true;
+}
+//-->
+</script>
+
 <form action="{S_LOGIN_ACTION}" method="post">
 
 <table width="100%" cellspacing="2" cellpadding="2" border="0" align="center">