internal static SecurityIdentifier GetCurrentAppContainerSid()
{
Fx.Assert(AppContainerInfo.IsAppContainerSupported, "AppContainers are not supported.");
if (currentAppContainerSid == null)
{
lock (thisLock)
{
if (currentAppContainerSid == null)
{
SafeCloseHandle tokenHandle = null;
try
{
tokenHandle = AppContainerInfo.GetCurrentProcessToken();
currentAppContainerSid = UnsafeNativeMethods.GetAppContainerSid(tokenHandle);
}
finally
{
if (tokenHandle != null)
{
tokenHandle.Dispose();
}
}
}
}
}
return(currentAppContainerSid);
}
static int GetCurrentSessionId()
{
Fx.Assert(AppContainerInfo.IsAppContainerSupported, "AppContainers are not supported.");
SafeCloseHandle tokenHandle = null;
try
{
tokenHandle = AppContainerInfo.GetCurrentProcessToken();
return(UnsafeNativeMethods.GetSessionId(tokenHandle));
}
finally
{
if (tokenHandle != null)
{
tokenHandle.Dispose();
}
}
}
internal static AppContainerInfo CreateAppContainerInfo(string fullName, int sessionId)
{
Fx.Assert(IsAppContainerSupported, "AppContainers are not supported.");
Fx.Assert(!string.IsNullOrEmpty(fullName), "fullName should be provided to initialize an AppContainerInfo.");
int appSession = sessionId;
if (appSession == ApplicationContainerSettings.CurrentSession)
{
lock (thisLock)
{
if (currentSessionId == null)
{
currentSessionId = AppContainerInfo.GetCurrentSessionId();
}
}
appSession = currentSessionId.Value;
}
string namedObjectPath = AppContainerInfo.GetAppContainerNamedObjectPath(fullName);
return(new AppContainerInfo(appSession, namedObjectPath));
}
internal static string BuildSharedMemoryName(string hostName, string path, bool global, AppContainerInfo appContainerInfo)
{
if (appContainerInfo == null)
{
return BuildSharedMemoryName(hostName, path, global);
}
else
{
Fx.Assert(appContainerInfo.SessionId != ApplicationContainerSettingsDefaults.CurrentSession, "Session has not yet been initialized.");
Fx.Assert(!String.IsNullOrEmpty(appContainerInfo.NamedObjectPath),
"NamedObjectPath cannot be empty when creating the SharedMemoryName when running in an AppContainer.");
//We need to use a session symlink for the lowbox appcontainer.
// Session\{0}\{1}\{2}\<SharedMemoryName>
return string.Format(
CultureInfo.InvariantCulture,
@"Session\{0}\{1}\{2}",
appContainerInfo.SessionId,
appContainerInfo.NamedObjectPath,
BuildSharedMemoryName(hostName, path, global));
}
}
internal string GetPipeName(AppContainerInfo appInfo)
{
if (appInfo == null)
{
return this.PipeName;
}
else if (this.PipeName != null)
{
// Build the PipeName for a pipe inside an AppContainer as follows
// \\.\pipe\Sessions\<SessionId>\<NamedObjectPath>\<PipeGuid>
return string.Format(
CultureInfo.InvariantCulture,
@"\\.\pipe\Sessions\{0}\{1}\{2}",
appInfo.SessionId,
appInfo.NamedObjectPath,
this.pipeNameGuidPart);
}
return null;
}
