internal static string GetPipeName(Uri uri)
{
string[] strArray = new string[] { "+", uri.Host, "*" };
bool[] flagArray2 = new bool[2];
flagArray2[0] = true;
bool[] flagArray = flagArray2;
for (int i = 0; i < strArray.Length; i++)
{
for (int j = 0; j < flagArray.Length; j++)
{
for (string str = PipeUri.GetPath(uri); str.Length > 0; str = PipeUri.GetParentPath(str))
{
string sharedMemoryName = PipeUri.BuildSharedMemoryName(strArray[i], str, flagArray[j]);
try
{
PipeSharedMemory memory = PipeSharedMemory.Open(sharedMemoryName, uri);
if (memory != null)
{
try
{
string pipeName = memory.PipeName;
if (pipeName != null)
{
return(pipeName);
}
}
finally
{
memory.Dispose();
}
}
}
catch (AddressAccessDeniedException exception)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new EndpointNotFoundException(System.ServiceModel.SR.GetString("EndpointNotFound", new object[] { uri.AbsoluteUri }), exception));
}
}
}
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new EndpointNotFoundException(System.ServiceModel.SR.GetString("EndpointNotFound", new object[] { uri.AbsoluteUri }), new PipeException(System.ServiceModel.SR.GetString("PipeEndpointNotFound", new object[] { uri.AbsoluteUri }))));
}
public void Listen()
{
lock (this.ThisLock)
{
if (!this.isListening)
{
string sharedMemoryName = PipeUri.BuildSharedMemoryName(this.pipeUri, this.hostNameComparisonMode, true);
if (!PipeSharedMemory.TryCreate(this.allowedSids, this.pipeUri, sharedMemoryName, out this.sharedMemory))
{
PipeSharedMemory result = null;
Uri uri = new Uri(this.pipeUri, Guid.NewGuid().ToString());
string str2 = PipeUri.BuildSharedMemoryName(uri, this.hostNameComparisonMode, true);
if (PipeSharedMemory.TryCreate(this.allowedSids, uri, str2, out result))
{
result.Dispose();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(PipeSharedMemory.CreatePipeNameInUseException(5, this.pipeUri));
}
sharedMemoryName = PipeUri.BuildSharedMemoryName(this.pipeUri, this.hostNameComparisonMode, false);
this.sharedMemory = PipeSharedMemory.Create(this.allowedSids, this.pipeUri, sharedMemoryName);
}
this.isListening = true;
}
}
}
public static unsafe bool TryCreate(List<SecurityIdentifier> allowedSids, Uri pipeUri, string sharedMemoryName, out PipeSharedMemory result)
{
byte[] buffer;
SafeFileMappingHandle handle;
int num;
bool flag2;
Guid guid = Guid.NewGuid();
string pipeName = BuildPipeName(guid);
try
{
buffer = SecurityDescriptorHelper.FromSecurityIdentifiers(allowedSids, -2147483648);
}
catch (Win32Exception exception)
{
Exception innerException = new PipeException(exception.Message, exception);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(innerException.Message, innerException));
}
result = null;
fixed (byte* numRef = buffer)
{
UnsafeNativeMethods.SECURITY_ATTRIBUTES securityAttributes = new UnsafeNativeMethods.SECURITY_ATTRIBUTES {
lpSecurityDescriptor = numRef
};
handle = UnsafeNativeMethods.CreateFileMapping((IntPtr) (-1), securityAttributes, 4, 0, sizeof(SharedMemoryContents), sharedMemoryName);
num = Marshal.GetLastWin32Error();
}
if (handle.IsInvalid)
{
handle.SetHandleAsInvalid();
if (num == 5)
{
return false;
}
Exception exception3 = new PipeException(System.ServiceModel.SR.GetString("PipeNameCantBeReserved", new object[] { pipeUri.AbsoluteUri, PipeError.GetErrorString(num) }), num);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new AddressAccessDeniedException(exception3.Message, exception3));
}
if (num == 0xb7)
{
handle.Close();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreatePipeNameInUseException(num, pipeUri));
}
PipeSharedMemory memory = new PipeSharedMemory(handle, pipeUri, pipeName);
bool flag = true;
try
{
memory.InitializeContents(guid);
flag = false;
result = memory;
flag2 = true;
}
finally
{
if (flag)
{
memory.Dispose();
}
}
return flag2;
}
public void Listen()
{
lock (this.ThisLock)
{
if (!this.isListening)
{
string sharedMemoryName = PipeUri.BuildSharedMemoryName(this.pipeUri, this.hostNameComparisonMode, true);
if (!PipeSharedMemory.TryCreate(this.allowedSids, this.pipeUri, sharedMemoryName, out this.sharedMemory))
{
PipeSharedMemory result = null;
Uri uri = new Uri(this.pipeUri, Guid.NewGuid().ToString());
string str2 = PipeUri.BuildSharedMemoryName(uri, this.hostNameComparisonMode, true);
if (PipeSharedMemory.TryCreate(this.allowedSids, uri, str2, out result))
{
result.Dispose();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(PipeSharedMemory.CreatePipeNameInUseException(5, this.pipeUri));
}
sharedMemoryName = PipeUri.BuildSharedMemoryName(this.pipeUri, this.hostNameComparisonMode, false);
this.sharedMemory = PipeSharedMemory.Create(this.allowedSids, this.pipeUri, sharedMemoryName);
}
this.isListening = true;
}
}
}
public unsafe static bool TryCreate(List<SecurityIdentifier> allowedSids, Uri pipeUri, string sharedMemoryName, out PipeSharedMemory result)
{
Guid pipeGuid = Guid.NewGuid();
string pipeName = BuildPipeName(pipeGuid.ToString());
byte[] binarySecurityDescriptor;
try
{
binarySecurityDescriptor = SecurityDescriptorHelper.FromSecurityIdentifiers(allowedSids, UnsafeNativeMethods.GENERIC_READ);
}
catch (Win32Exception e)
{
// While Win32exceptions are not expected, if they do occur we need to obey the pipe/communication exception model.
Exception innerException = new PipeException(e.Message, e);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(innerException.Message, innerException));
}
SafeFileMappingHandle fileMapping;
int error;
result = null;
fixed (byte* pinnedSecurityDescriptor = binarySecurityDescriptor)
{
UnsafeNativeMethods.SECURITY_ATTRIBUTES securityAttributes = new UnsafeNativeMethods.SECURITY_ATTRIBUTES();
securityAttributes.lpSecurityDescriptor = (IntPtr)pinnedSecurityDescriptor;
fileMapping = UnsafeNativeMethods.CreateFileMapping((IntPtr)(-1), securityAttributes,
UnsafeNativeMethods.PAGE_READWRITE, 0, sizeof(SharedMemoryContents), sharedMemoryName);
error = Marshal.GetLastWin32Error();
}
if (fileMapping.IsInvalid)
{
fileMapping.SetHandleAsInvalid();
if (error == UnsafeNativeMethods.ERROR_ACCESS_DENIED)
{
return false;
}
else
{
Exception innerException = new PipeException(SR.GetString(SR.PipeNameCantBeReserved,
pipeUri.AbsoluteUri, PipeError.GetErrorString(error)), error);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new AddressAccessDeniedException(innerException.Message, innerException));
}
}
// now we have a valid file mapping handle
if (error == UnsafeNativeMethods.ERROR_ALREADY_EXISTS)
{
fileMapping.Close();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreatePipeNameInUseException(error, pipeUri));
}
PipeSharedMemory pipeSharedMemory = new PipeSharedMemory(fileMapping, pipeUri, pipeName);
bool disposeSharedMemory = true;
try
{
pipeSharedMemory.InitializeContents(pipeGuid);
disposeSharedMemory = false;
result = pipeSharedMemory;
if (TD.PipeSharedMemoryCreatedIsEnabled())
{
TD.PipeSharedMemoryCreated(sharedMemoryName);
}
return true;
}
finally
{
if (disposeSharedMemory)
{
pipeSharedMemory.Dispose();
}
}
}
public void Listen()
{
lock (ThisLock)
{
if (!isListening)
{
string sharedMemoryName = PipeUri.BuildSharedMemoryName(pipeUri, hostNameComparisonMode, true);
if (!PipeSharedMemory.TryCreate(allowedSids, pipeUri, sharedMemoryName, out this.sharedMemory))
{
PipeSharedMemory tempSharedMemory = null;
// first see if we're in RANU by creating a unique Uri in the global namespace
Uri tempUri = new Uri(pipeUri, Guid.NewGuid().ToString());
string tempSharedMemoryName = PipeUri.BuildSharedMemoryName(tempUri, hostNameComparisonMode, true);
if (PipeSharedMemory.TryCreate(allowedSids, tempUri, tempSharedMemoryName, out tempSharedMemory))
{
// we're not RANU, throw PipeNameInUse
tempSharedMemory.Dispose();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(
PipeSharedMemory.CreatePipeNameInUseException(UnsafeNativeMethods.ERROR_ACCESS_DENIED, pipeUri));
}
else
{
// try the session namespace since we're RANU
sharedMemoryName = PipeUri.BuildSharedMemoryName(pipeUri, hostNameComparisonMode, false);
this.sharedMemory = PipeSharedMemory.Create(allowedSids, pipeUri, sharedMemoryName);
}
}
isListening = true;
}
}
}
public static unsafe bool TryCreate(List <SecurityIdentifier> allowedSids, Uri pipeUri, string sharedMemoryName, out PipeSharedMemory result)
{
byte[] buffer;
SafeFileMappingHandle handle;
int num;
bool flag2;
Guid guid = Guid.NewGuid();
string pipeName = BuildPipeName(guid);
try
{
buffer = SecurityDescriptorHelper.FromSecurityIdentifiers(allowedSids, -2147483648);
}
catch (Win32Exception exception)
{
Exception innerException = new PipeException(exception.Message, exception);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new CommunicationException(innerException.Message, innerException));
}
result = null;
fixed(byte *numRef = buffer)
{
UnsafeNativeMethods.SECURITY_ATTRIBUTES securityAttributes = new UnsafeNativeMethods.SECURITY_ATTRIBUTES {
lpSecurityDescriptor = numRef
};
handle = UnsafeNativeMethods.CreateFileMapping((IntPtr)(-1), securityAttributes, 4, 0, sizeof(SharedMemoryContents), sharedMemoryName);
num = Marshal.GetLastWin32Error();
}
if (handle.IsInvalid)
{
handle.SetHandleAsInvalid();
if (num == 5)
{
return(false);
}
Exception exception3 = new PipeException(System.ServiceModel.SR.GetString("PipeNameCantBeReserved", new object[] { pipeUri.AbsoluteUri, PipeError.GetErrorString(num) }), num);
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new AddressAccessDeniedException(exception3.Message, exception3));
}
if (num == 0xb7)
{
handle.Close();
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(CreatePipeNameInUseException(num, pipeUri));
}
PipeSharedMemory memory = new PipeSharedMemory(handle, pipeUri, pipeName);
bool flag = true;
try
{
memory.InitializeContents(guid);
flag = false;
result = memory;
flag2 = true;
}
finally
{
if (flag)
{
memory.Dispose();
}
}
return(flag2);
}
