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authorTeravus Ovares2008-05-17 18:37:51 +0000
committerTeravus Ovares2008-05-17 18:37:51 +0000
commit6bcb0e8685c116702637c9dfe2e7ce3314eb4388 (patch)
treebc482f1ef56b6201ce33cab1e7cf5e644100361d /OpenSim/Region/ScriptEngine
parentThank you very much KMeisthax for DataSnapshot 1.1 (diff)
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* Update on the script engine LSL parser. Blocks all static objects and method references.
Diffstat (limited to 'OpenSim/Region/ScriptEngine')
-rw-r--r--OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs58
1 files changed, 50 insertions, 8 deletions
diff --git a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs b/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs
index 1832864..b5eabc1 100644
--- a/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs
+++ b/OpenSim/Region/ScriptEngine/DotNetEngine/Compiler/LSL/LSL2CSConverter.cs
@@ -39,7 +39,15 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
39 //private Regex rnw = new Regex(@"[a-zA-Z0-9_\-]", RegexOptions.Compiled); 39 //private Regex rnw = new Regex(@"[a-zA-Z0-9_\-]", RegexOptions.Compiled);
40 private Dictionary<string, string> dataTypes = new Dictionary<string, string>(); 40 private Dictionary<string, string> dataTypes = new Dictionary<string, string>();
41 private Dictionary<string, string> quotes = new Dictionary<string, string>(); 41 private Dictionary<string, string> quotes = new Dictionary<string, string>();
42 // c Style
43 private Regex cstylecomments = new Regex(@"/\*(.|[\r\n])*?\*/", RegexOptions.Compiled | RegexOptions.Multiline);
44 // c# one liners
45 private Regex conelinecomments = new Regex(@".?([\/]{2}[^\n]*)|([\n]{1,}[\/]{2}[^\n]*)", RegexOptions.Compiled | RegexOptions.Multiline);
46 // ([^\"])((?:[a-zA-Z])\.[a-zA-Z].?)([^\"])
47
42 48
49
50 // value we're looking for: (?:[a-zA-Z])\.[a-zA-Z]
43 public LSL2CSConverter() 51 public LSL2CSConverter()
44 { 52 {
45 // Only the types we need to convert 53 // Only the types we need to convert
@@ -81,17 +89,51 @@ namespace OpenSim.Region.ScriptEngine.DotNetEngine.Compiler.LSL
81 bool last_was_escape = false; 89 bool last_was_escape = false;
82 int quote_replaced_count = 0; 90 int quote_replaced_count = 0;
83 91
84 string[] blocked = new string[] {"Axiom","Db4objects","libsecondlife","log4net","Microsoft", 92
85 "Modified","Mono","MonoXnaCompactMaths","mscorlib","MySql", 93
86 "NHibernate","Nini","nunit","Ode","OpenSim","PhysX_Wrapper_Dotnet", 94 string removecomments = conelinecomments.Replace(Script, "");
87 "PumaCode","RAIL","XMLRPC","System"}; 95 removecomments = cstylecomments.Replace(removecomments, "");
96 string[] localscript = removecomments.Split('"');
97 string checkscript = String.Empty;
98 bool flip = true;
88 99
89 for (int p = 0; p < blocked.Length;p++) 100
101
102 for (int p = 0; p < localscript.Length; p++)
90 { 103 {
91 Match SecurityM = Regex.Match(Script, "[;}][^\"']+" + blocked[p].Replace(".", "\\.") + "\\.[^\"']", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline); 104 if (localscript[p].Length >= 1)
92 if (SecurityM.Success) 105 {
93 throw new Exception("CS0103: 'The name '" + blocked[p] + "' does not exist in the current context'"); 106 if (localscript[p].Substring(localscript[p].Length - 1, 1) != "/")
107 {
108 flip = !flip;
109 }
110 }
111 else
112 {
113 flip = !flip;
114 }
115 if (!flip)
116 checkscript += "\"" + localscript[p];
94 } 117 }
118
119 //System.Console.WriteLine("SCRIPT:" + checkscript);
120
121 // checks for alpha.alpha way of referring to objects in C#
122 // ignores alpha.x alpha.y, alpha.z for refering to vector components
123 Match SecurityM = Regex.Match(checkscript, @"(?:[a-zA-Z])\.(?:[a-wA-Z]|[a-zA-Z][a-zA-Z])", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
124 if (SecurityM.Success)
125 throw new Exception("CS0103: 'The . symbol cannot be used in LSL except in float values or vector components'");
126
127 SecurityM = Regex.Match(checkscript, @"typeof\s", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
128 if (SecurityM.Success)
129 throw new Exception("CS0103: 'The object.typeof method isn't allowed in LSL'");
130
131 SecurityM = Regex.Match(checkscript, @"GetType\(", RegexOptions.Compiled | RegexOptions.Multiline | RegexOptions.Singleline);
132 if (SecurityM.Success)
133 throw new Exception("CS0103: 'The object.GetType method isn't allowed in LSL'");
134
135
136
95 137
96 for (int p = 0; p < Script.Length; p++) 138 for (int p = 0; p < Script.Length; p++)
97 { 139 {