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* Update on the script engine LSL parser. Blocks all static objects and method references.

0.6.0-stable
Teravus Ovares 2008-05-17 18:37:51 +00:00
parent f6a4f8844f
commit 6bcb0e8685
1 changed files with 50 additions and 8 deletions
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58
OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs
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@ -39,7 +39,15 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
//private Regex rnw = new Regex(@"[a-zA-Z0-9_\-]", RegexOptions.Compiled);
private Dictionary<string, string> dataTypes = new Dictionary<string, string>();
private Dictionary<string, string> quotes = new Dictionary<string, string>();
// c Style
private Regex cstylecomments = new Regex(@"/\*(.|[\r\n])*?\*/", RegexOptions.Compiled | RegexOptions.Multiline);
// c# one liners
private Regex conelinecomments = new Regex(@".?([\/]{2}[^\n]*)|([\n]{1,}[\/]{2}[^\n]*)", RegexOptions.Compiled | RegexOptions.Multiline);
// ([^\"])((?:[a-zA-Z])\.[a-zA-Z].?)([^\"])
// value we're looking for: (?:[a-zA-Z])\.[a-zA-Z]
public LSL2CSConverter()
{
// Only the types we need to convert
@ -81,17 +89,51 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
bool last_was_escape = false;
int quote_replaced_count = 0;
string[] blocked = new string[] {"Axiom","Db4objects","libsecondlife","log4net","Microsoft",
"Modified","Mono","MonoXnaCompactMaths","mscorlib","MySql",
"NHibernate","Nini","nunit","Ode","OpenSim","PhysX_Wrapper_Dotnet",
"PumaCode","RAIL","XMLRPC","System"};
for (int p = 0; p < blocked.Length;p++)
string removecomments = conelinecomments.Replace(Script, "");
removecomments = cstylecomments.Replace(removecomments, "");
string[] localscript = removecomments.Split('"');
string checkscript = String.Empty;
bool flip = true;
for (int p = 0; p < localscript.Length; p++)
{
Match SecurityM = Regex.Match(Script, "[;}][^\"']+" + blocked[p].Replace(".", "\\.") + "\\.[^\"']", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
if (SecurityM.Success)
throw new Exception("CS0103: 'The name '" + blocked[p] + "' does not exist in the current context'");
if (localscript[p].Length >= 1)
{
if (localscript[p].Substring(localscript[p].Length - 1, 1) != "/")
{
flip = !flip;
}
}
else
{
flip = !flip;
}
if (!flip)
checkscript += "\"" + localscript[p];
}
//System.Console.WriteLine("SCRIPT:" + checkscript);
// checks for alpha.alpha way of referring to objects in C#
// ignores alpha.x alpha.y, alpha.z for refering to vector components
Match SecurityM = Regex.Match(checkscript, @"(?:[a-zA-Z])\.(?:[a-wA-Z]|[a-zA-Z][a-zA-Z])", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
if (SecurityM.Success)
throw new Exception("CS0103: 'The . symbol cannot be used in LSL except in float values or vector components'");
SecurityM = Regex.Match(checkscript, @"typeof\s", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
if (SecurityM.Success)
throw new Exception("CS0103: 'The object.typeof method isn't allowed in LSL'");
SecurityM = Regex.Match(checkscript, @"GetType\(", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
if (SecurityM.Success)
throw new Exception("CS0103: 'The object.GetType method isn't allowed in LSL'");
for (int p = 0; p < Script.Length; p++)
{