535 lines
15 KiB
C#
535 lines
15 KiB
C#
//
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// System.Reflection/AssemblyName.cs
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//
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// Authors:
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// Paolo Molaro (lupus@ximian.com)
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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// (C) 2001 Ximian, Inc. http://www.ximian.com
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// Portions (C) 2002 Motus Technologies Inc. (http://www.motus.com)
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// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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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.Configuration.Assemblies;
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using System.Globalization;
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using System.Runtime.Serialization;
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using System.Security;
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using System.Security.Cryptography;
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using System.Security.Permissions;
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using System.Text;
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using System.Runtime.InteropServices;
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using System.Runtime.CompilerServices;
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using System.IO;
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using Mono;
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using Mono.Security;
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using Mono.Security.Cryptography;
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namespace System.Reflection {
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// References:
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// a. Uniform Resource Identifiers (URI): Generic Syntax
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// http://www.ietf.org/rfc/rfc2396.txt
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[ComVisible (true)]
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[ComDefaultInterfaceAttribute (typeof (_AssemblyName))]
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[Serializable]
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[ClassInterfaceAttribute (ClassInterfaceType.None)]
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[StructLayout (LayoutKind.Sequential)]
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#if MOBILE
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public sealed class AssemblyName : ICloneable, ISerializable, IDeserializationCallback {
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#else
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public sealed class AssemblyName : ICloneable, ISerializable, IDeserializationCallback, _AssemblyName {
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#endif
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#pragma warning disable 169
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#region Synch with object-internals.h
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string name;
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string codebase;
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int major, minor, build, revision;
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CultureInfo cultureinfo;
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AssemblyNameFlags flags;
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AssemblyHashAlgorithm hashalg;
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StrongNameKeyPair keypair;
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byte[] publicKey;
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byte[] keyToken;
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AssemblyVersionCompatibility versioncompat;
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Version version;
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ProcessorArchitecture processor_architecture = ProcessorArchitecture.None;
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#endregion
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#pragma warning restore 169
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AssemblyContentType contentType;
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public AssemblyName ()
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{
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// defaults
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versioncompat = AssemblyVersionCompatibility.SameMachine;
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}
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[MethodImpl (MethodImplOptions.InternalCall)]
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static extern bool ParseAssemblyName (IntPtr name, out MonoAssemblyName aname, out bool is_version_definited, out bool is_token_defined);
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public AssemblyName (string assemblyName)
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{
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if (assemblyName == null)
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throw new ArgumentNullException ("assemblyName");
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if (assemblyName.Length < 1)
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throw new ArgumentException ("assemblyName cannot have zero length.");
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using (var name = RuntimeMarshal.MarshalString (assemblyName)) {
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MonoAssemblyName nativeName;
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bool isVersionDefined, isTokenDefined;
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//ParseName free the name if it fails.
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if (!ParseAssemblyName (name.Value, out nativeName, out isVersionDefined, out isTokenDefined))
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throw new FileLoadException ("The assembly name is invalid.");
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try {
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unsafe {
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this.FillName (&nativeName, null, isVersionDefined, false, isTokenDefined, false);
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}
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} finally {
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RuntimeMarshal.FreeAssemblyName (ref nativeName, false);
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}
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}
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}
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[MonoLimitation ("Not used, as the values are too limited; Mono supports more")]
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public ProcessorArchitecture ProcessorArchitecture {
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get {
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return processor_architecture;
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}
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set {
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processor_architecture = value;
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}
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}
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internal AssemblyName (SerializationInfo si, StreamingContext sc)
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{
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name = si.GetString ("_Name");
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codebase = si.GetString ("_CodeBase");
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version = (Version)si.GetValue ("_Version", typeof (Version));
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publicKey = (byte[])si.GetValue ("_PublicKey", typeof (byte[]));
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keyToken = (byte[])si.GetValue ("_PublicKeyToken", typeof (byte[]));
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hashalg = (AssemblyHashAlgorithm)si.GetValue ("_HashAlgorithm", typeof (AssemblyHashAlgorithm));
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keypair = (StrongNameKeyPair)si.GetValue ("_StrongNameKeyPair", typeof (StrongNameKeyPair));
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versioncompat = (AssemblyVersionCompatibility)si.GetValue ("_VersionCompatibility", typeof (AssemblyVersionCompatibility));
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flags = (AssemblyNameFlags)si.GetValue ("_Flags", typeof (AssemblyNameFlags));
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int lcid = si.GetInt32 ("_CultureInfo");
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if (lcid != -1) cultureinfo = new CultureInfo (lcid);
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}
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public string Name {
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get { return name; }
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set { name = value; }
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}
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public string CodeBase {
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get { return codebase; }
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set { codebase = value; }
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}
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public string EscapedCodeBase {
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get {
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if (codebase == null)
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return null;
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return Uri.EscapeString (codebase, false, true, true);
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}
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}
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public CultureInfo CultureInfo {
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get { return cultureinfo; }
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set { cultureinfo = value; }
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}
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public AssemblyNameFlags Flags {
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get { return flags; }
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set { flags = value; }
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}
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public string FullName {
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get {
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if (name == null)
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return string.Empty;
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StringBuilder fname = new StringBuilder ();
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if (Char.IsWhiteSpace (name [0]))
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fname.Append ("\"" + name + "\"");
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else
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fname.Append (name);
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if (Version != null) {
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fname.Append (", Version=");
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fname.Append (Version.ToString ());
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}
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if (cultureinfo != null) {
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fname.Append (", Culture=");
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if (cultureinfo.LCID == CultureInfo.InvariantCulture.LCID)
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fname.Append ("neutral");
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else
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fname.Append (cultureinfo.Name);
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}
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byte [] pub_tok = InternalGetPublicKeyToken ();
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if (pub_tok != null) {
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if (pub_tok.Length == 0)
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fname.Append (", PublicKeyToken=null");
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else {
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fname.Append (", PublicKeyToken=");
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for (int i = 0; i < pub_tok.Length; i++)
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fname.Append (pub_tok[i].ToString ("x2"));
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}
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}
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if ((Flags & AssemblyNameFlags.Retargetable) != 0)
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fname.Append (", Retargetable=Yes");
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return fname.ToString ();
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}
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}
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public AssemblyHashAlgorithm HashAlgorithm {
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get { return hashalg; }
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set { hashalg = value; }
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}
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public StrongNameKeyPair KeyPair {
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get { return keypair; }
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set { keypair = value; }
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}
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public Version Version {
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get {
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return version;
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}
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set {
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version = value;
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if (value == null)
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major = minor = build = revision = 0;
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else {
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major = value.Major;
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minor = value.Minor;
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build = value.Build;
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revision = value.Revision;
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}
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}
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}
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public AssemblyVersionCompatibility VersionCompatibility {
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get { return versioncompat; }
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set { versioncompat = value; }
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}
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public override string ToString ()
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{
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string name = FullName;
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return (name != null) ? name : base.ToString ();
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}
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public byte[] GetPublicKey()
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{
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return publicKey;
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}
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public byte[] GetPublicKeyToken ()
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{
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if (keyToken != null)
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return keyToken;
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if (publicKey == null)
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return null;
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if (publicKey.Length == 0)
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return EmptyArray<byte>.Value;
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if (!IsPublicKeyValid)
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throw new SecurityException ("The public key is not valid.");
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keyToken = ComputePublicKeyToken ();
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return keyToken;
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}
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private bool IsPublicKeyValid {
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get {
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// check for ECMA key
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if (publicKey.Length == 16) {
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int i = 0;
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int sum = 0;
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while (i < publicKey.Length)
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sum += publicKey [i++];
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if (sum == 4)
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return true;
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}
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switch (publicKey [0]) {
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case 0x00: // public key inside a header
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if (publicKey.Length > 12 && publicKey [12] == 0x06) {
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#if MOBILE
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return true;
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#else
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try {
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CryptoConvert.FromCapiPublicKeyBlob (
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publicKey, 12);
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return true;
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} catch (CryptographicException) {
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}
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#endif
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}
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break;
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case 0x06: // public key
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#if MOBILE
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return true;
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#else
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try {
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CryptoConvert.FromCapiPublicKeyBlob (publicKey);
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return true;
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} catch (CryptographicException) {
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}
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break;
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#endif
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case 0x07: // private key
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break;
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}
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return false;
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}
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}
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private byte [] InternalGetPublicKeyToken ()
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{
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if (keyToken != null)
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return keyToken;
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if (publicKey == null)
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return null;
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if (publicKey.Length == 0)
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return EmptyArray<byte>.Value;
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if (!IsPublicKeyValid)
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throw new SecurityException ("The public key is not valid.");
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return ComputePublicKeyToken ();
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}
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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extern unsafe static void get_public_token (byte* token, byte* pubkey, int len);
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private unsafe byte [] ComputePublicKeyToken ()
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{
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byte [] token = new byte [8];
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fixed (byte* pkt = token)
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fixed (byte *pk = publicKey)
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get_public_token (pkt, pk, publicKey.Length);
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return token;
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}
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public static bool ReferenceMatchesDefinition (AssemblyName reference, AssemblyName definition)
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{
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if (reference == null)
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throw new ArgumentNullException ("reference");
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if (definition == null)
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throw new ArgumentNullException ("definition");
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// we only compare the simple assembly name to be consistent with MS .NET,
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// which is the result of a bug in their implementation (see https://connect.microsoft.com/VisualStudio/feedback/details/752902)
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return string.Equals (reference.Name, definition.Name, StringComparison.OrdinalIgnoreCase);
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}
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public void SetPublicKey (byte[] publicKey)
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{
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if (publicKey == null)
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flags ^= AssemblyNameFlags.PublicKey;
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else
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flags |= AssemblyNameFlags.PublicKey;
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this.publicKey = publicKey;
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}
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public void SetPublicKeyToken (byte[] publicKeyToken)
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{
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keyToken = publicKeyToken;
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}
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[SecurityPermission (SecurityAction.Demand, SerializationFormatter = true)]
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public void GetObjectData (SerializationInfo info, StreamingContext context)
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{
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if (info == null)
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throw new ArgumentNullException ("info");
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info.AddValue ("_Name", name);
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info.AddValue ("_PublicKey", publicKey);
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info.AddValue ("_PublicKeyToken", keyToken);
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info.AddValue ("_CultureInfo", cultureinfo != null ? cultureinfo.LCID : -1);
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info.AddValue ("_CodeBase", codebase);
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info.AddValue ("_Version", Version);
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info.AddValue ("_HashAlgorithm", hashalg);
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info.AddValue ("_HashAlgorithmForControl", AssemblyHashAlgorithm.None);
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info.AddValue ("_StrongNameKeyPair", keypair);
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info.AddValue ("_VersionCompatibility", versioncompat);
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info.AddValue ("_Flags", flags);
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info.AddValue ("_HashForControl", null);
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}
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public object Clone()
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{
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AssemblyName an = new AssemblyName ();
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an.name = name;
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an.codebase = codebase;
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an.major = major;
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an.minor = minor;
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an.build = build;
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an.revision = revision;
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an.version = version;
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an.cultureinfo = cultureinfo;
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an.flags = flags;
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an.hashalg = hashalg;
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an.keypair = keypair;
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an.publicKey = publicKey;
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an.keyToken = keyToken;
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an.versioncompat = versioncompat;
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an.processor_architecture = processor_architecture;
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return an;
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}
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public void OnDeserialization (object sender)
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{
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Version = version;
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}
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public static AssemblyName GetAssemblyName (string assemblyFile)
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{
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if (assemblyFile == null)
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throw new ArgumentNullException ("assemblyFile");
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AssemblyName aname = new AssemblyName ();
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unsafe {
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Mono.MonoAssemblyName nativeName;
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string codebase;
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Assembly.InternalGetAssemblyName (Path.GetFullPath (assemblyFile), out nativeName, out codebase);
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try {
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aname.FillName (&nativeName, codebase, true, false, true, false);
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} finally {
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RuntimeMarshal.FreeAssemblyName (ref nativeName, false);
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}
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}
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return aname;
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}
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#if !MOBILE
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void _AssemblyName.GetIDsOfNames ([In] ref Guid riid, IntPtr rgszNames, uint cNames, uint lcid, IntPtr rgDispId)
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{
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throw new NotImplementedException ();
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}
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void _AssemblyName.GetTypeInfo (uint iTInfo, uint lcid, IntPtr ppTInfo)
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{
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throw new NotImplementedException ();
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}
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void _AssemblyName.GetTypeInfoCount (out uint pcTInfo)
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{
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throw new NotImplementedException ();
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}
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void _AssemblyName.Invoke (uint dispIdMember, [In] ref Guid riid, uint lcid, short wFlags, IntPtr pDispParams,
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IntPtr pVarResult, IntPtr pExcepInfo, IntPtr puArgErr)
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{
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throw new NotImplementedException ();
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}
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#endif
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public string CultureName {
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get {
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return (cultureinfo == null)? null : cultureinfo.Name;
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}
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set {
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if (value == null)
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cultureinfo = null;
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else
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cultureinfo = new CultureInfo (value);
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}
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}
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[ComVisibleAttribute(false)]
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public AssemblyContentType ContentType {
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get {
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return contentType;
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}
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set {
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contentType = value;
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}
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}
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[MethodImplAttribute (MethodImplOptions.InternalCall)]
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static extern unsafe MonoAssemblyName* GetNativeName (IntPtr assembly_ptr);
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internal unsafe void FillName (MonoAssemblyName *native, string codeBase, bool addVersion, bool addPublickey, bool defaultToken, bool assemblyRef)
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{
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this.name = RuntimeMarshal.PtrToUtf8String (native->name);
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this.major = native->major;
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this.minor = native->minor;
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this.build = native->build;
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this.revision = native->revision;
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this.flags = (AssemblyNameFlags)native->flags;
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this.hashalg = (AssemblyHashAlgorithm)native->hash_alg;
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this.versioncompat = AssemblyVersionCompatibility.SameMachine;
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this.processor_architecture = (ProcessorArchitecture)native->arch;
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if (addVersion)
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this.version = new Version (this.major, this.minor, this.build, this.revision);
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this.codebase = codeBase;
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if (native->culture != IntPtr.Zero)
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this.cultureinfo = CultureInfo.CreateCulture ( RuntimeMarshal.PtrToUtf8String (native->culture), assemblyRef);
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if (native->public_key != IntPtr.Zero) {
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this.publicKey = RuntimeMarshal.DecodeBlobArray (native->public_key);
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this.flags |= AssemblyNameFlags.PublicKey;
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} else if (addPublickey) {
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this.publicKey = EmptyArray<byte>.Value;
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this.flags |= AssemblyNameFlags.PublicKey;
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}
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// MonoAssemblyName keeps the public key token as an hexadecimal string
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if (native->public_key_token [0] != 0) {
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byte[] keyToken = new byte [8];
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for (int i = 0, j = 0; i < 8; ++i) {
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keyToken [i] = (byte)(RuntimeMarshal.AsciHexDigitValue (native->public_key_token [j++]) << 4);
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keyToken [i] |= (byte)RuntimeMarshal.AsciHexDigitValue (native->public_key_token [j++]);
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}
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this.keyToken = keyToken;
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} else if (defaultToken) {
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this.keyToken = EmptyArray<byte>.Value;
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}
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}
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internal static AssemblyName Create (Assembly assembly, bool fillCodebase)
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{
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AssemblyName aname = new AssemblyName ();
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unsafe {
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MonoAssemblyName *native = GetNativeName (assembly._mono_assembly);
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aname.FillName (native, fillCodebase ? assembly.CodeBase : null, true, true, true, false);
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}
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return aname;
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}
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}
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}
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