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https://issues.apache.org/jira/browse/KARAF-4784?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15728355#comment-15728355
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ASF GitHub Bot commented on KARAF-4784:
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Github user asfgit closed the pull request at:
https://github.com/apache/karaf/pull/271
> OsgiConfiguration for JAAS should fallback to default configuration
> -------------------------------------------------------------------
>
> Key: KARAF-4784
> URL: https://issues.apache.org/jira/browse/KARAF-4784
> Project: Karaf
> Issue Type: Bug
> Components: karaf-security
> Affects Versions: 4.0.7
> Reporter: Benjamin Papez
> Assignee: Guillaume Nodet
> Fix For: 4.1.0
>
>
> We will use Karaf embedded in the next version of our Web Application, which
> means that we still first start the application server
> (Tomcat/JBoss/Websphere) and then Karaf is started inside. Some of our
> customers are using a JAAS configuration, mainly Kerberos for SPNEGO.
> Unfortunately with the step to use Karaf the current default JAAS
> configuration is no longer picked up and used, because Karaf is setting the
> {{org.apache.karaf.jaas.config.impl.OsgiConfiguration}} object into
> {{javax.security.auth.login.Configuration.setConfiguration}} within the
> {{OsgiConfiguration.init}} method.
> This way all standard/app-server specific ways of JAAS configuration are
> ignored.
> I would propose a modification to {{OsgiConfiguration}}, with something like:
> {code}
> private Configuration defaultConfiguration;
> public void init() {
> try {
> defaultConfiguration = Configuration.getConfiguration();
> } catch (RuntimeException ex) {
> // default configuration for fallback could not be retrieved -
> should be logged
> }
> Configuration.setConfiguration(this);
> }
> ...
> public AppConfigurationEntry[] getAppConfigurationEntry(String name) {
> JaasRealm realm = null;
> for (JaasRealm r : realms) {
> if (r.getName().equals(name)) {
> if (realm == null || r.getRank() > realm.getRank()) {
> realm = r;
> }
> }
> }
> if (realm != null) {
> return realm.getEntries();
> } else if (defaultConfiguration != null) {
> return defaultConfiguration.getAppConfigurationEntry(name);
> }
> return null;
> }
> public void refresh() {
> if (defaultConfiguration != null) {
> defaultConfiguration.refresh();
> }
> }
> {code}
> This way if no OSGI configured JAAS realm can find an
> {{AppConfigurationEntry}}, we would still try to get it from the default JAAS
> configuration, and our customers could keep the same JAAS configuration as
> before.
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