Examples with NamingException javax.naming.NamingException used on opensource projects

Example 56 with NamingException

use of javax.naming.NamingException in project hudson-2.x by hudson.

the class LDAPSecurityRealm method inferRootDN.

/**
     * Infer the root DN.
     *
     * @return null if not found.
     */
private String inferRootDN(String server) {
    try {
        Hashtable<String, String> props = new Hashtable<String, String>();
        if (managerDN != null) {
            props.put(Context.SECURITY_PRINCIPAL, managerDN);
            props.put(Context.SECURITY_CREDENTIALS, getManagerPassword());
        }
        props.put(Context.INITIAL_CONTEXT_FACTORY, "com.sun.jndi.ldap.LdapCtxFactory");
        props.put(Context.PROVIDER_URL, getServerUrl() + '/');
        DirContext ctx = new InitialDirContext(props);
        Attributes atts = ctx.getAttributes("");
        Attribute a = atts.get("defaultNamingContext");
        if (// this entry is available on Active Directory. See http://msdn2.microsoft.com/en-us/library/ms684291(VS.85).aspx
        a != null)
            return a.toString();
        a = atts.get("namingcontexts");
        if (a == null) {
            LOGGER.warning("namingcontexts attribute not found in root DSE of " + server);
            return null;
        }
        return a.get().toString();
    } catch (NamingException e) {
        LOGGER.log(Level.WARNING, "Failed to connect to LDAP to infer Root DN for " + server, e);
        return null;
    }
}

Example 57 with NamingException

use of javax.naming.NamingException in project javaee7-samples by javaee-samples.

the class EmployeeBean method postConstruct.

@PostConstruct
public void postConstruct() {
    try {
        Context context = new InitialContext();
        em = (EntityManager) context.lookup("java:comp/env/persistence/myJNDI");
    } catch (NamingException ex) {
        Logger.getLogger(EmployeeBean.class.getName()).log(Level.SEVERE, null, ex);
    }
}

Example 58 with NamingException

use of javax.naming.NamingException in project Openfire by igniterealtime.

the class LdapUserTester method getSample.

/**
     * Returns a list of usernames with a sample of the users found in LDAP.
     *
     * @param maxSample the max size of the sample to return.
     * @return a list of usernames with a sample of the users found in LDAP.
     * @throws NamingException if something goes wrong....
     */
public List<String> getSample(int maxSample) throws NamingException {
    List<String> usernames = new ArrayList<>();
    LdapContext ctx = null;
    try {
        ctx = manager.getContext();
        // Sort on username field.
        Control[] searchControl;
        try {
            searchControl = new Control[] { new SortControl(new String[] { manager.getUsernameField() }, Control.NONCRITICAL) };
        } catch (IOException e) {
            Log.error(e.getMessage(), e);
            return Collections.emptyList();
        }
        ctx.setRequestControls(searchControl);
        // Search for the dn based on the username.
        SearchControls searchControls = new SearchControls();
        // See if recursive searching is enabled. Otherwise, only search one level.
        if (manager.isSubTreeSearch()) {
            searchControls.setSearchScope(SearchControls.SUBTREE_SCOPE);
        } else {
            searchControls.setSearchScope(SearchControls.ONELEVEL_SCOPE);
        }
        searchControls.setReturningAttributes(new String[] { manager.getUsernameField() });
        // Limit results to those we'll need to process
        searchControls.setCountLimit(maxSample);
        String filter = MessageFormat.format(manager.getSearchFilter(), "*");
        NamingEnumeration answer = ctx.search("", filter, searchControls);
        while (answer.hasMoreElements()) {
            // Get the next userID.
            String username = (String) ((SearchResult) answer.next()).getAttributes().get(manager.getUsernameField()).get();
            // Escape username and add to results.
            usernames.add(JID.escapeNode(username));
        }
        // Close the enumeration.
        answer.close();
    } finally {
        try {
            if (ctx != null) {
                ctx.setRequestControls(null);
                ctx.close();
            }
        } catch (Exception ignored) {
        // Ignore.
        }
    }
    return usernames;
}

Example 59 with NamingException

use of javax.naming.NamingException in project hadoop by apache.

the class DNS method getHosts.

/**
   * Returns all the host names associated by the provided nameserver with the
   * address bound to the specified network interface
   *
   * @param strInterface
   *            The name of the network interface or subinterface to query
   *            (e.g. eth0 or eth0:0)
   * @param nameserver
   *            The DNS host name
   * @param tryfallbackResolution
   *            if true and if reverse DNS resolution fails then attempt to
   *            resolve the hostname with
   *            {@link InetAddress#getCanonicalHostName()} which includes
   *            hosts file resolution.
   * @return A string vector of all host names associated with the IPs tied to
   *         the specified interface
   * @throws UnknownHostException if the given interface is invalid
   */
public static String[] getHosts(String strInterface, @Nullable String nameserver, boolean tryfallbackResolution) throws UnknownHostException {
    final List<String> hosts = new Vector<String>();
    final List<InetAddress> addresses = getIPsAsInetAddressList(strInterface, true);
    for (InetAddress address : addresses) {
        try {
            hosts.add(reverseDns(address, nameserver));
        } catch (NamingException ignored) {
        }
    }
    if (hosts.isEmpty() && tryfallbackResolution) {
        for (InetAddress address : addresses) {
            final String canonicalHostName = address.getCanonicalHostName();
            // Don't use the result if it looks like an IP address.
            if (!InetAddresses.isInetAddress(canonicalHostName)) {
                hosts.add(canonicalHostName);
            }
        }
    }
    if (hosts.isEmpty()) {
        LOG.warn("Unable to determine hostname for interface " + strInterface);
        hosts.add(cachedHostname);
    }
    return hosts.toArray(new String[hosts.size()]);
}

Example 60 with NamingException

use of javax.naming.NamingException in project hadoop by apache.

the class LdapGroupsMapping method getRelativeDistinguishedName.

/**
   * A helper method to get the Relative Distinguished Name (RDN) from
   * Distinguished name (DN). According to Active Directory documentation,
   * a group object's RDN is a CN.
   *
   * @param distinguishedName A string representing a distinguished name.
   * @throws NamingException if the DN is malformed.
   * @return a string which represents the RDN
   */
private String getRelativeDistinguishedName(String distinguishedName) throws NamingException {
    LdapName ldn = new LdapName(distinguishedName);
    List<Rdn> rdns = ldn.getRdns();
    if (rdns.isEmpty()) {
        throw new NamingException("DN is empty");
    }
    Rdn rdn = rdns.get(rdns.size() - 1);
    if (rdn.getType().equalsIgnoreCase(groupNameAttr)) {
        String groupName = (String) rdn.getValue();
        return groupName;
    }
    throw new NamingException("Unable to find RDN: The DN " + distinguishedName + " is malformed.");
}