/// <summary>
/// Compare the strong name signing state of the existing wrapper to the signing
/// state we are requesting in this run of the task. Return true if they match (e.g.
/// from a signing perspective, the wrapper is up-to-date) or false otherwise.
/// </summary>
private bool SigningRequirementsMatchExistingWrapper(ComReferenceWrapperInfo wrapperInfo)
{
StrongNameLevel desiredStrongNameLevel = StrongNameLevel.None;
if (!string.IsNullOrEmpty(KeyFile) || !string.IsNullOrEmpty(KeyContainer))
{
desiredStrongNameLevel = DelaySign ? StrongNameLevel.DelaySigned : StrongNameLevel.FullySigned;
}
// ...and see what we have already
StrongNameLevel currentStrongNameLevel = StrongNameUtils.GetAssemblyStrongNameLevel(wrapperInfo.path);
// if not matching, need to regenerate wrapper
if (desiredStrongNameLevel != currentStrongNameLevel)
{
return(false);
}
// if the wrapper needs a strong name, see if the public keys match
if (desiredStrongNameLevel == StrongNameLevel.DelaySigned ||
desiredStrongNameLevel == StrongNameLevel.FullySigned)
{
// get desired public key
StrongNameUtils.GetStrongNameKey(Log, KeyFile, KeyContainer, out _, out byte[] desiredPublicKey);
// get current public key
AssemblyName assemblyName = AssemblyName.GetAssemblyName(wrapperInfo.path);
if (assemblyName == null)
{
return(false);
}
byte[] currentPublicKey = assemblyName.GetPublicKey();
if (currentPublicKey.Length != desiredPublicKey.Length)
{
return(false);
}
// compare public keys byte by byte
for (int i = 0; i < currentPublicKey.Length; i++)
{
if (currentPublicKey[i] != desiredPublicKey[i])
{
return(false);
}
}
}
return(true);
}
internal bool GenerateWrapper(out ComReferenceWrapperInfo wrapperInfo)
{
wrapperInfo = null;
StrongNameKeyPair keyPair = null;
byte[] publicKey = null;
StrongNameUtils.GetStrongNameKey(base.Log, base.KeyFile, base.KeyContainer, out keyPair, out publicKey);
if (!base.DelaySign && (keyPair == null))
{
if ((base.KeyContainer != null) && (base.KeyContainer.Length > 0))
{
base.Log.LogErrorWithCodeFromResources(null, this.ReferenceInfo.SourceItemSpec, 0, 0, 0, 0, "ResolveComReference.StrongNameUtils.NoKeyPairInContainer", new object[] { base.KeyContainer });
throw new StrongNameException();
}
if ((base.KeyFile != null) && (base.KeyFile.Length > 0))
{
base.Log.LogErrorWithCodeFromResources(null, this.ReferenceInfo.SourceItemSpec, 0, 0, 0, 0, "ResolveComReference.StrongNameUtils.NoKeyPairInFile", new object[] { base.KeyFile });
throw new StrongNameException();
}
}
bool flag = true;
this.ReferenceInfo.taskItem.GetMetadata("TlbReferenceName");
ResolveComReference.AxImp imp = new ResolveComReference.AxImp {
ActiveXControlName = this.ReferenceInfo.typeLibPath,
BuildEngine = base.BuildEngine,
ToolPath = base.ToolPath,
EnvironmentVariables = base.EnvironmentVariables,
DelaySign = base.DelaySign,
GenerateSource = false,
KeyContainer = base.KeyContainer,
KeyFile = base.KeyFile
};
if (((this.ReferenceInfo != null) && (this.ReferenceInfo.primaryOfAxImpRef != null)) && ((this.ReferenceInfo.primaryOfAxImpRef.resolvedWrapper != null) && (this.ReferenceInfo.primaryOfAxImpRef.resolvedWrapper.path != null)))
{
imp.RuntimeCallableWrapperAssembly = this.ReferenceInfo.primaryOfAxImpRef.resolvedWrapper.path;
}
imp.OutputAssembly = Path.Combine(this.OutputDirectory, base.GetWrapperFileName());
flag = imp.Execute();
string wrapperPath = base.GetWrapperPath();
wrapperInfo = new ComReferenceWrapperInfo();
wrapperInfo.path = wrapperPath;
wrapperInfo.assembly = Assembly.UnsafeLoadFrom(wrapperInfo.path);
return(flag);
}
/// <summary>
/// Given our KeyFile, KeyContainer, and DelaySign parameters, generate the public / private
/// key pair and validate that it exists to the extent needed.
/// </summary>
internal void GetAndValidateStrongNameKey(out StrongNameKeyPair keyPair, out byte[] publicKey)
{
keyPair = null;
publicKey = null;
// get key pair/public key
StrongNameUtils.GetStrongNameKey(Log, KeyFile, KeyContainer, out keyPair, out publicKey);
// make sure we give as much data to the typelib converter as necessary but not more, or we might end up
// with something we didn't want
if (DelaySign)
{
keyPair = null;
if (publicKey == null)
{
Log.LogErrorWithCodeFromResources(null, ReferenceInfo.SourceItemSpec, 0, 0, 0, 0, "StrongNameUtils.NoPublicKeySpecified");
throw new StrongNameException();
}
}
else
{
publicKey = null;
// If the user did not specify delay sign and we didn't get a public/private
// key pair then we have an error since a public key by itself is not enough
// to fully sign the assembly. (only if either KeyContainer or KeyFile was specified though)
if (keyPair == null)
{
if (!string.IsNullOrEmpty(KeyContainer))
{
Log.LogErrorWithCodeFromResources(null, ReferenceInfo.SourceItemSpec, 0, 0, 0, 0, "ResolveComReference.StrongNameUtils.NoKeyPairInContainer", KeyContainer);
throw new StrongNameException();
}
if (!string.IsNullOrEmpty(KeyFile))
{
Log.LogErrorWithCodeFromResources(null, ReferenceInfo.SourceItemSpec, 0, 0, 0, 0, "ResolveComReference.StrongNameUtils.NoKeyPairInFile", KeyFile);
throw new StrongNameException();
}
}
}
}
internal bool GenerateWrapper(out ComReferenceWrapperInfo wrapperInfo)
{
wrapperInfo = null;
string typeLibName = this.ReferenceInfo.typeLibName;
string wrapperPath = base.GetWrapperPath();
StrongNameKeyPair keyPair = null;
byte[] publicKey = null;
StrongNameUtils.GetStrongNameKey(base.Log, base.KeyFile, base.KeyContainer, out keyPair, out publicKey);
if (base.DelaySign)
{
keyPair = null;
if (publicKey == null)
{
base.Log.LogErrorWithCodeFromResources(null, this.ReferenceInfo.SourceItemSpec, 0, 0, 0, 0, "StrongNameUtils.NoPublicKeySpecified", new object[0]);
throw new StrongNameException();
}
}
else
{
publicKey = null;
if (keyPair == null)
{
if ((base.KeyContainer != null) && (base.KeyContainer.Length > 0))
{
base.Log.LogErrorWithCodeFromResources(null, this.ReferenceInfo.SourceItemSpec, 0, 0, 0, 0, "ResolveComReference.StrongNameUtils.NoKeyPairInContainer", new object[] { base.KeyContainer });
throw new StrongNameException();
}
if ((base.KeyFile != null) && (base.KeyFile.Length > 0))
{
base.Log.LogErrorWithCodeFromResources(null, this.ReferenceInfo.SourceItemSpec, 0, 0, 0, 0, "ResolveComReference.StrongNameUtils.NoKeyPairInFile", new object[] { base.KeyFile });
throw new StrongNameException();
}
}
}
bool flag = true;
if (!base.ExecuteAsTool)
{
TypeLibConverter converter = new TypeLibConverter();
AssemblyBuilder assemblyBuilder = null;
try
{
TypeLibImporterFlags flags = TypeLibImporterFlags.TransformDispRetVals | TypeLibImporterFlags.SafeArrayAsSystemArray;
if (this.noClassMembers)
{
flags |= TypeLibImporterFlags.PreventClassMembers;
}
string str4 = this.targetProcessorArchitecture;
if (str4 != null)
{
if (!(str4 == "MSIL"))
{
if (str4 == "AMD64")
{
goto Label_0323;
}
if (str4 == "IA64")
{
goto Label_032F;
}
if (str4 == "x86")
{
goto Label_033B;
}
}
else
{
flags |= TypeLibImporterFlags.ImportAsAgnostic;
}
}
goto Label_0345;
Label_0323:
flags |= TypeLibImporterFlags.ImportAsX64;
goto Label_0345;
Label_032F:
flags |= TypeLibImporterFlags.ImportAsItanium;
goto Label_0345;
Label_033B:
flags |= TypeLibImporterFlags.ImportAsX86;
Label_0345:
assemblyBuilder = converter.ConvertTypeLibToAssembly(this.ReferenceInfo.typeLibPointer, wrapperPath, flags, this, publicKey, keyPair, typeLibName, null);
}
catch (COMException exception)
{
base.Log.LogWarningWithCodeFromResources("ResolveComReference.ErrorCreatingWrapperAssembly", new object[] { this.ItemName, exception.Message });
throw new ComReferenceResolutionException(exception);
}
if (!this.HasTemporaryWrapper)
{
this.WriteWrapperToDisk(assemblyBuilder, wrapperPath);
}
wrapperInfo = new ComReferenceWrapperInfo();
wrapperInfo.path = this.HasTemporaryWrapper ? null : wrapperPath;
wrapperInfo.assembly = assemblyBuilder;
return(flag);
}
ResolveComReference.TlbImp imp = new ResolveComReference.TlbImp {
BuildEngine = base.BuildEngine,
EnvironmentVariables = base.EnvironmentVariables,
DelaySign = base.DelaySign,
KeyContainer = base.KeyContainer,
KeyFile = base.KeyFile,
OutputAssembly = wrapperPath,
ToolPath = base.ToolPath,
TypeLibName = this.ReferenceInfo.typeLibPath,
AssemblyNamespace = typeLibName,
AssemblyVersion = null,
PreventClassMembers = this.noClassMembers,
SafeArrayAsSystemArray = true,
Transform = ResolveComReference.TlbImpTransformFlags.TransformDispRetVals
};
if (this.referenceFiles != null)
{
string fullPathToOutput = Path.GetFullPath(wrapperPath);
imp.ReferenceFiles = (from rf in this.referenceFiles
where string.Compare(fullPathToOutput, rf, StringComparison.OrdinalIgnoreCase) != 0
select rf).ToArray <string>();
}
string targetProcessorArchitecture = this.targetProcessorArchitecture;
if (targetProcessorArchitecture != null)
{
if (!(targetProcessorArchitecture == "MSIL"))
{
if (targetProcessorArchitecture == "AMD64")
{
imp.Machine = "X64";
}
else if (targetProcessorArchitecture == "IA64")
{
imp.Machine = "Itanium";
}
else if (targetProcessorArchitecture == "x86")
{
imp.Machine = "X86";
}
else
{
imp.Machine = this.targetProcessorArchitecture;
}
}
else
{
imp.Machine = "Agnostic";
}
}
flag = imp.Execute();
wrapperInfo = new ComReferenceWrapperInfo();
wrapperInfo.path = this.HasTemporaryWrapper ? null : wrapperPath;
return(flag);
}
private bool ValidateStrongNameParameters()
{
bool flag = false;
bool flag2 = false;
if (!string.IsNullOrEmpty(this.KeyFile))
{
if (!File.Exists(this.KeyFile))
{
base.Log.LogErrorWithCodeFromResources("AxTlbBaseTask.InvalidKeyFileSpecified", new object[] { this.KeyFile });
return(false);
}
flag = true;
}
if (!string.IsNullOrEmpty(this.KeyContainer))
{
if (!File.Exists(this.KeyContainer))
{
base.Log.LogErrorWithCodeFromResources("AxTlbBaseTask.InvalidKeyContainerSpecified", new object[] { this.KeyContainer });
return(false);
}
flag2 = true;
}
if (flag && flag2)
{
base.Log.LogErrorWithCodeFromResources("AxTlbBaseTask.CannotSpecifyBothKeyFileAndKeyContainer", new object[0]);
return(false);
}
if (this.DelaySign)
{
if (!flag && !flag2)
{
base.Log.LogErrorWithCodeFromResources("AxTlbBaseTask.CannotSpecifyDelaySignWithoutEitherKeyFileOrKeyContainer", new object[0]);
return(false);
}
}
else if (flag || flag2)
{
StrongNameKeyPair keyPair = null;
byte[] publicKey = null;
try
{
StrongNameUtils.GetStrongNameKey(base.Log, this.KeyFile, this.KeyContainer, out keyPair, out publicKey);
}
catch (StrongNameException exception)
{
base.Log.LogErrorFromException(exception);
keyPair = null;
}
if (keyPair == null)
{
if (!string.IsNullOrEmpty(this.KeyContainer))
{
base.Log.LogErrorWithCodeFromResources("AxTlbBaseTask.StrongNameUtils.NoKeyPairInContainer", new object[] { this.KeyContainer });
return(false);
}
if (!string.IsNullOrEmpty(this.KeyFile))
{
base.Log.LogErrorWithCodeFromResources("AxTlbBaseTask.StrongNameUtils.NoKeyPairInFile", new object[] { this.KeyFile });
return(false);
}
}
}
return(true);
}
/// <summary>
/// Validates the parameters passed to the task that involve strong name signing --
/// DelaySign, KeyContainer, and KeyFile
/// </summary>
/// <returns>true if the parameters are valid, false otherwise.</returns>
private bool ValidateStrongNameParameters()
{
bool keyFileExists = false;
bool keyContainerSpecified = false;
// Make sure that if KeyFile is defined, it's a real file.
if (!String.IsNullOrEmpty(KeyFile))
{
if (File.Exists(KeyFile))
{
keyFileExists = true;
}
else
{
Log.LogErrorWithCodeFromResources("AxTlbBaseTask.InvalidKeyFileSpecified", KeyFile);
return(false);
}
}
// Check if KeyContainer name is specified
keyContainerSpecified = !String.IsNullOrEmpty(KeyContainer);
// Cannot define both KeyFile and KeyContainer
if (keyFileExists && keyContainerSpecified)
{
Log.LogErrorWithCodeFromResources("AxTlbBaseTask.CannotSpecifyBothKeyFileAndKeyContainer");
return(false);
}
// If this assembly is delay signed, either KeyFile or KeyContainer must be defined
if (DelaySign && !keyFileExists && !keyContainerSpecified)
{
Log.LogErrorWithCodeFromResources("AxTlbBaseTask.CannotSpecifyDelaySignWithoutEitherKeyFileOrKeyContainer");
return(false);
}
// If KeyFile or KeyContainer is specified, verify that a key pair exists (or if delay-signed,
// even just a public key)
if (keyFileExists || keyContainerSpecified)
{
StrongNameKeyPair keyPair = null;
byte[] publicKey = null;
try
{
StrongNameUtils.GetStrongNameKey(Log, KeyFile, KeyContainer, out keyPair, out publicKey);
}
catch (StrongNameException e)
{
Log.LogErrorFromException(e);
keyPair = null;
// don't return here -- let the appropriate error below get logged also.
}
if (DelaySign)
{
if (publicKey == null)
{
Log.LogErrorWithCodeFromResources("AxTlbBaseTask.StrongNameUtils.NoPublicKeySpecified");
return(false);
}
else if (keyPair == null)
{
// record this so we know which switch to pass to the task
_delaySigningAndKeyFileOnlyContainsPublicKey = true;
}
}
else
{
if (keyPair == null)
{
if (!String.IsNullOrEmpty(KeyContainer))
{
Log.LogErrorWithCodeFromResources("AxTlbBaseTask.StrongNameUtils.NoKeyPairInContainer", KeyContainer);
return(false);
}
else if (!String.IsNullOrEmpty(KeyFile))
{
Log.LogErrorWithCodeFromResources("AxTlbBaseTask.StrongNameUtils.NoKeyPairInFile", KeyFile);
return(false);
}
}
}
}
return(true);
}
protected virtual bool IsWrapperUpToDate(ComReferenceWrapperInfo wrapperInfo, DateTime componentTimestamp)
{
if ((this.ReferenceInfo.typeLibPath == null) || (this.ReferenceInfo.typeLibPath.Length == 0))
{
throw new ComReferenceResolutionException();
}
if (!File.Exists(wrapperInfo.path))
{
return(false);
}
if (DateTime.Compare(File.GetLastWriteTime(this.ReferenceInfo.typeLibPath), componentTimestamp) != 0)
{
return(false);
}
StrongNameLevel none = StrongNameLevel.None;
if (((this.KeyFile != null) && (this.KeyFile.Length > 0)) || ((this.KeyContainer != null) && (this.KeyContainer.Length > 0)))
{
if (this.DelaySign)
{
none = StrongNameLevel.DelaySigned;
}
else
{
none = StrongNameLevel.FullySigned;
}
}
StrongNameLevel assemblyStrongNameLevel = StrongNameUtils.GetAssemblyStrongNameLevel(wrapperInfo.path);
if (none != assemblyStrongNameLevel)
{
return(false);
}
if ((none == StrongNameLevel.DelaySigned) || (none == StrongNameLevel.FullySigned))
{
StrongNameKeyPair pair;
byte[] publicKey = null;
StrongNameUtils.GetStrongNameKey(base.Log, this.KeyFile, this.KeyContainer, out pair, out publicKey);
AssemblyName assemblyName = AssemblyName.GetAssemblyName(wrapperInfo.path);
if (assemblyName == null)
{
return(false);
}
byte[] buffer2 = assemblyName.GetPublicKey();
if (buffer2.Length != publicKey.Length)
{
return(false);
}
for (int i = 0; i < buffer2.Length; i++)
{
if (buffer2[i] != publicKey[i])
{
return(false);
}
}
}
try
{
wrapperInfo.assembly = Assembly.UnsafeLoadFrom(wrapperInfo.path);
}
catch (BadImageFormatException)
{
wrapperInfo.assembly = null;
}
return(wrapperInfo.assembly != null);
}