org.apache.storm.security.auth.kerberos

## Class AutoTGTKrb5LoginModule

- java.lang.Object
- - org.apache.storm.security.auth.kerberos.AutoTGTKrb5LoginModule

- All Implemented Interfaces:
    LoginModule
  Direct Known Subclasses:
    AutoTGTKrb5LoginModuleTest

      public class AutoTGTKrb5LoginModule
      extends Object
      implements LoginModule

  Custom LoginModule to enable Auto Login based on cached ticket.

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `protected KerberosTicket` | `kerbTicket`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `AutoTGTKrb5LoginModule()`

  - ### Method Summary

    All Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `boolean` | `abort()`
    `boolean` | `commit()`
    `protected Principal` | `getKerbTicketClient()`
    `protected void` | `getKerbTicketFromCache()`
    `void` | `initialize(Subject subject, CallbackHandler callbackHandler, Map<String,?> sharedState, Map<String,?> options)`
    `boolean` | `login()`
    `boolean` | `logout()`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

- - ### Field Detail

    - #### kerbTicket

          protected KerberosTicket kerbTicket

  - ### Constructor Detail

    - #### AutoTGTKrb5LoginModule

          public AutoTGTKrb5LoginModule()

  - ### Method Detail

    - #### initialize

          public void initialize(Subject subject,
                                 CallbackHandler callbackHandler,
                                 Map<String,?> sharedState,
                                 Map<String,?> options)

      Specified by:
        `initialize` in interface `LoginModule`

    - #### login

          public boolean login()
                        throws LoginException

      Specified by:
        `login` in interface `LoginModule`
      Throws:
        `LoginException`

    - #### getKerbTicketFromCache

          protected void getKerbTicketFromCache()

    - #### getKerbTicketClient

          protected Principal getKerbTicketClient()

    - #### commit

          public boolean commit()
                         throws LoginException

      Specified by:
        `commit` in interface `LoginModule`
      Throws:
        `LoginException`

    - #### abort

          public boolean abort()
                        throws LoginException

      Specified by:
        `abort` in interface `LoginModule`
      Throws:
        `LoginException`

    - #### logout

          public boolean logout()
                         throws LoginException

      Specified by:
        `logout` in interface `LoginModule`
      Throws:
        `LoginException`

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