133 lines
4.3 KiB
C#
133 lines
4.3 KiB
C#
//
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// Blacklist.cs
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//
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// Author:
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// Jb Evain (jb@nurv.fr)
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//
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// (C) 2007 Novell Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System;
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using System.Linq;
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using System.IO;
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using System.Reflection;
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using System.Xml;
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using System.Xml.XPath;
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using Mono.Cecil;
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namespace Mono.Linker.Steps {
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public class BlacklistStep : BaseStep {
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protected override bool ConditionToProcess()
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{
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return Context.CoreAction == AssemblyAction.Link;
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}
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protected override void Process ()
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{
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foreach (string name in Assembly.GetExecutingAssembly ().GetManifestResourceNames ()) {
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if (!name.EndsWith (".xml", StringComparison.OrdinalIgnoreCase) || !IsReferenced (GetAssemblyName (name)))
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continue;
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try {
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if (Context.LogInternalExceptions)
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Console.WriteLine ("Processing resource linker descriptor: {0}", name);
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Context.Pipeline.AddStepAfter (typeof (TypeMapStep), GetResolveStep (name));
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} catch (XmlException ex) {
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/* This could happen if some broken XML file is included. */
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if (Context.LogInternalExceptions)
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Console.WriteLine ("Error processing {0}: {1}", name, ex);
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}
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}
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foreach (var asm in Context.GetAssemblies ()) {
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foreach (var rsc in asm.Modules
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.SelectMany (mod => mod.Resources)
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.Where (res => res.ResourceType == ResourceType.Embedded)
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.Where (res => res.Name.EndsWith (".xml", StringComparison.OrdinalIgnoreCase))
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.Where (res => IsReferenced (GetAssemblyName (res.Name)))
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.Cast<EmbeddedResource> ()) {
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try {
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if (Context.LogInternalExceptions)
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Console.WriteLine ("Processing embedded resource linker descriptor: {0}", rsc.Name);
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Context.Pipeline.AddStepAfter (typeof (TypeMapStep), GetExternalResolveStep (rsc, asm));
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} catch (XmlException ex) {
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/* This could happen if some broken XML file is embedded. */
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if (Context.LogInternalExceptions)
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Console.WriteLine ("Error processing {0}: {1}", rsc.Name, ex);
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}
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}
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}
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}
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static string GetAssemblyName (string descriptor)
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{
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int pos = descriptor.LastIndexOf ('.');
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if (pos == -1)
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return descriptor;
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return descriptor.Substring (0, pos);
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}
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bool IsReferenced (string name)
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{
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foreach (AssemblyDefinition assembly in Context.GetAssemblies ())
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if (assembly.Name.Name == name)
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return true;
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return false;
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}
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static ResolveFromXmlStep GetExternalResolveStep (EmbeddedResource resource, AssemblyDefinition assembly)
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{
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return new ResolveFromXmlStep (GetExternalDescriptor (resource), "resource " + resource.Name + " in " + assembly.FullName);
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}
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static ResolveFromXmlStep GetResolveStep (string descriptor)
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{
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return new ResolveFromXmlStep (GetDescriptor (descriptor), "descriptor " + descriptor + " from " + Assembly.GetExecutingAssembly ().FullName);
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}
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static XPathDocument GetExternalDescriptor (EmbeddedResource resource)
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{
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using (var sr = new StreamReader (resource.GetResourceStream ())) {
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return new XPathDocument (new StringReader (sr.ReadToEnd ()));
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}
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}
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static XPathDocument GetDescriptor (string descriptor)
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{
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using (StreamReader sr = new StreamReader (GetResource (descriptor))) {
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return new XPathDocument (new StringReader (sr.ReadToEnd ()));
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}
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}
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static Stream GetResource (string descriptor)
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{
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return Assembly.GetExecutingAssembly ().GetManifestResourceStream (descriptor);
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}
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}
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}
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