private void RemoveSessionInternal(CimSession session, CimSessionWrapper wrapper)
{
DebugHelper.WriteLogEx();
this.curCimSessionsByInstanceId.Remove(wrapper.InstanceId);
this.curCimSessionsById.Remove(wrapper.SessionId);
this.curCimSessionWrapper.Remove(session);
session.Dispose();
}
/// <summary>
/// Closing connection and disposing object
/// </summary>
public void Dispose()
{
if (_disposed)
{
throw new ObjectDisposedException(nameof(CimConnection));
}
_connection?.Dispose();
_disposed = true;
}
public void Dispose()
{
if (mostRecentMscFilename is not null)
{
File.Delete(mostRecentMscFilename);
mostRecentMscFilename = null;
}
cimSession.Close();
cimSession.Dispose();
}
protected virtual void Dispose(bool disposing)
{
if (!_isDisposed)
{
if (disposing)
{
_subscription?.Dispose();
_cimSession?.Dispose();
}
_isDisposed = true;
}
}
private void KickOffCimAsync(Computer computer, Credential credential, string commandline, CimSessionOptions options)
{
var optionsBuilder = new DbContextOptionsBuilder <ACEWebServiceDbContext>();
optionsBuilder.UseSqlServer("Server=(localdb)\\MSSQLLocalDB;Database=ACEWebService;Trusted_Connection=True;MultipleActiveResultSets=true");
using (ACEWebServiceDbContext context = new ACEWebServiceDbContext(optionsBuilder.Options))
{
// Convert stored password to a secure string
SecureString securePwd = new SecureString();
foreach (char c in _cryptoService.Decrypt(credential.Password))
{
securePwd.AppendChar(c);
}
CimCredential cimCreds = null;
if (credential.UserName.Contains('\\'))
{
// Create a CimCredential object
cimCreds = new CimCredential(PasswordAuthenticationMechanism.Kerberos, credential.UserName.Split('\\')[0], credential.UserName.Split('\\')[1], securePwd);
}
else
{
// Create a CimCredential object
cimCreds = new CimCredential(PasswordAuthenticationMechanism.Default, null, credential.UserName, securePwd);
}
// Create a CimSession with the remote system
options.AddDestinationCredentials(cimCreds);
CimSession session = CimSession.Create(computer.ComputerName, options);
// Create a CimMethodParametersCollection to pass to method invocation
CimMethodParametersCollection collection = new CimMethodParametersCollection();
collection.Add(CimMethodParameter.Create("CommandLine", commandline, CimFlags.None));
CimMethodResult result = session.InvokeMethod("root/cimv2", "Win32_Process", "Create", collection);
if (result.ReturnValue.ToString() == "0")
{
}
else
{
}
session.Dispose();
}
}
private void KickOffCim(Computer computer, Credential credential, string commandline, CimSessionOptions options)
{
// Convert stored password to a secure string
SecureString securePwd = new SecureString();
foreach (char c in _cryptoService.Decrypt(credential.Password))
{
Console.WriteLine("[char]: {0}", c);
securePwd.AppendChar(c);
}
CimCredential cimCreds = null;
if (credential.UserName.Contains('\\'))
{
// Create a CimCredential object
cimCreds = new CimCredential(PasswordAuthenticationMechanism.Kerberos, credential.UserName.Split('\\')[0], credential.UserName.Split('\\')[1], securePwd);
}
else
{
// Create a CimCredential object
cimCreds = new CimCredential(PasswordAuthenticationMechanism.Default, null, credential.UserName, securePwd);
}
// Create a CimSession with the remote system
options.AddDestinationCredentials(cimCreds);
CimSession session = CimSession.Create(computer.ComputerName, options);
// Create a CimMethodParametersCollection to pass to method invocation
CimMethodParametersCollection collection = new CimMethodParametersCollection
{
CimMethodParameter.Create("CommandLine", commandline, CimFlags.None)
};
CimMethodResult result = session.InvokeMethod("root/cimv2", "Win32_Process", "Create", collection);
if (result.ReturnValue.ToString() == "0")
{
}
else
{
}
session.Dispose();
}
static void Main(string[] args)
{
// Create a CimSession with the remote system
CimSessionOptions options = new DComSessionOptions();
//options.AddDestinationCredentials(cimCreds);
CimSession session = CimSession.Create("localhost", options);
// Create a CimMethodParametersCollection to pass to method invocation
CimMethodParametersCollection collection = new CimMethodParametersCollection();
collection.Add(CimMethodParameter.Create("CommandLine", "calc.exe", CimFlags.None));
// Invoke the Win32_Process classes Create method to start a calc.exe process on a remote system
CimMethodResult result = session.InvokeMethod("root/cimv2", "Win32_Process", "Create", collection);
if (result.ReturnValue.ToString() == "0")
{
}
else
{
}
session.Dispose();
}
/// <summary>
/// <para>
/// Remove given <see cref="CimSession"/> object from partial of the cache only.
/// </para>
/// </summary>
/// <param name="session"></param>
/// <param name="psObject"></param>
private void RemoveSessionInternal(CimSession session, CimSessionWrapper wrapper)
{
DebugHelper.WriteLogEx();
this.curCimSessionsByInstanceId.Remove(wrapper.InstanceId);
this.curCimSessionsById.Remove(wrapper.SessionId);
this.curCimSessionWrapper.Remove(session);
session.Dispose();
}
/// <summary>
/// <para>Wrapper function to remove CimSession from cache</para>
/// </summary>
/// <param name="session"></param>
/// <param name="dispose">Whether need to dispose the <see cref="CimSession"/> object</param>
private static void RemoveCimSessionFromTemporaryCache(CimSession session,
bool dispose)
{
if (null != session)
{
bool removed = false;
lock (temporarySessionCacheLock)
{
if (temporarySessionCache.ContainsKey(session))
{
temporarySessionCache[session]--;
DebugHelper.WriteLogEx(@"Decrease cimsession ref count {0}", 1, temporarySessionCache[session]);
if (temporarySessionCache[session] == 0)
{
removed = true;
temporarySessionCache.Remove(session);
}
}
}
// there is a race condition that if
// one thread is waiting to add CimSession to cache,
// while current thread is removing the CimSession,
// then invalid CimSession may be added to cache.
// Ignored this scenario in CimCmdlet implementation,
// since the code inside cimcmdlet will not hit this
// scenario anyway.
if (removed && dispose)
{
DebugHelper.WriteLogEx(@"Dispose cimsession ", 1);
session.Dispose();
}
}
}
