/// <summary>Obtain the JSch used to create new sessions.</summary>
/// <remarks>Obtain the JSch used to create new sessions.</remarks>
/// <param name="hc">host configuration</param>
/// <param name="fs">
/// the file system abstraction which will be necessary to
/// perform certain file system operations.
/// </param>
/// <returns>the JSch instance to use.</returns>
/// <exception cref="NSch.JSchException">the user configuration could not be created.
/// </exception>
protected internal virtual JSch GetJSch(OpenSshConfig.Host hc, FS fs)
{
if (defaultJSch == null)
{
defaultJSch = CreateDefaultJSch(fs);
foreach (object name in defaultJSch.GetIdentityNames())
{
byIdentityFile.Put((string)name, defaultJSch);
}
}
FilePath identityFile = hc.GetIdentityFile();
if (identityFile == null)
{
return(defaultJSch);
}
string identityKey = identityFile.GetAbsolutePath();
JSch jsch = byIdentityFile.Get(identityKey);
if (jsch == null)
{
jsch = new JSch();
jsch.SetHostKeyRepository(defaultJSch.GetHostKeyRepository());
jsch.AddIdentity(identityKey);
byIdentityFile.Put(identityKey, jsch);
}
return(jsch);
}