SecurityListener (Apache Tomcat 7.0.96 API Documentation)

org.apache.catalina.security

## Class SecurityListener

- java.lang.Object
- - org.apache.catalina.security.SecurityListener

- All Implemented Interfaces:
    LifecycleListener

      public class SecurityListener
      extends java.lang.Object
      implements LifecycleListener

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `SecurityListener()`

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `protected void` | `checkOsUser()`
    `protected void` | `checkUmask()`
    `protected void` | `doChecks()` Execute the security checks.
    `java.lang.String` | `getCheckedOsUsers()` Returns the current list of operating system users not permitted to run Tomcat.
    `java.lang.String` | `getMinimumUmask()` Get the minimum umask that must be configured before Tomcat will start.
    `void` | `lifecycleEvent(LifecycleEvent event)` Acknowledge the occurrence of the specified event.
    `void` | `setCheckedOsUsers(java.lang.String userNameList)` Set the list of operating system users not permitted to run Tomcat.
    `void` | `setMinimumUmask(java.lang.String umask)` Set the minimum umask that must be configured before Tomcat will start.

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

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

- - ### Constructor Detail

    - #### SecurityListener

          public SecurityListener()

  - ### Method Detail

    - #### lifecycleEvent

          public void lifecycleEvent(LifecycleEvent event)

      Description copied from interface: `LifecycleListener`
      Acknowledge the occurrence of the specified event.
      Specified by:
        `lifecycleEvent` in interface `LifecycleListener`
      Parameters:
        `event` - LifecycleEvent that has occurred

    - #### setCheckedOsUsers

          public void setCheckedOsUsers(java.lang.String userNameList)

      Set the list of operating system users not permitted to run Tomcat. By default, only root is prevented from running Tomcat. Calling this method with null or the empty string will clear the list of users and effectively disables this check. User names will always be checked in a case insensitive manner using the system default Locale.
      Parameters:
        `userNameList` - A comma separated list of operating system users not permitted to run Tomcat

    - #### getCheckedOsUsers

          public java.lang.String getCheckedOsUsers()

      Returns the current list of operating system users not permitted to run Tomcat.
      Returns:
        A comma separated list of operating system user names.

    - #### setMinimumUmask

          public void setMinimumUmask(java.lang.String umask)

      Set the minimum umask that must be configured before Tomcat will start.
      Parameters:
        `umask` - The 4-digit umask as returned by the OS command umask

    - #### getMinimumUmask

          public java.lang.String getMinimumUmask()

      Get the minimum umask that must be configured before Tomcat will start.
      Returns:
        The 4-digit umask as used by the OS command umask

    - #### doChecks

          protected void doChecks()

      Execute the security checks. Each check should be in a separate method.

    - #### checkOsUser

          protected void checkOsUser()

    - #### checkUmask

          protected void checkUmask()

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