| | |
| | | import java.util.ArrayList; |
| | | import java.util.Arrays; |
| | | import java.util.Iterator; |
| | | import java.util.LinkedList; |
| | | import java.util.List; |
| | | import java.util.Map; |
| | | import java.util.concurrent.locks.Lock; |
| | | import java.util.concurrent.locks.ReentrantLock; |
| | | |
| | | import org.opends.server.admin.server.ConfigurationChangeListener; |
| | | import org.opends.server.admin.std.server.DigestMD5SASLMechanismHandlerCfg; |
| | | import org.opends.server.api.Backend; |
| | | import org.opends.server.api.ClientConnection; |
| | | import org.opends.server.api.ConfigurableComponent; |
| | | import org.opends.server.api.IdentityMapper; |
| | | import org.opends.server.api.SASLMechanismHandler; |
| | | import org.opends.server.config.ConfigAttribute; |
| | | import org.opends.server.config.ConfigEntry; |
| | | import org.opends.server.config.ConfigException; |
| | | import org.opends.server.config.DNConfigAttribute; |
| | | import org.opends.server.config.StringConfigAttribute; |
| | | import org.opends.server.core.BindOperation; |
| | | import org.opends.server.core.DirectoryServer; |
| | | import org.opends.server.core.PasswordPolicyState; |
| | |
| | | import org.opends.server.types.ResultCode; |
| | | import org.opends.server.util.Base64; |
| | | |
| | | import static org.opends.server.config.ConfigConstants.*; |
| | | import static org.opends.server.loggers.debug.DebugLogger.debugCaught; |
| | | import static org.opends.server.loggers.debug.DebugLogger.debugEnabled; |
| | | import org.opends.server.types.DebugLogLevel; |
| | |
| | | * updates from draft-ietf-sasl-rfc2831bis-06. |
| | | */ |
| | | public class DigestMD5SASLMechanismHandler |
| | | extends SASLMechanismHandler |
| | | implements ConfigurableComponent |
| | | extends SASLMechanismHandler<DigestMD5SASLMechanismHandlerCfg> |
| | | implements ConfigurationChangeListener< |
| | | DigestMD5SASLMechanismHandlerCfg> |
| | | { |
| | | |
| | | |
| | | // The current configuration for this SASL mechanism handler. |
| | | private DigestMD5SASLMechanismHandlerCfg currentConfig; |
| | | |
| | | // The DN of the configuration entry for this SASL mechanism handler. |
| | | private DN configEntryDN; |
| | | |
| | | // The DN of the identity mapper configuration entry. |
| | | private DN identityMapperDN; |
| | | |
| | | // The identity mapper that will be used to map ID strings to user entries. |
| | | private IdentityMapper identityMapper; |
| | | |
| | |
| | | // The random number generator that we will use to create the nonce. |
| | | private SecureRandom randomGenerator; |
| | | |
| | | // The realm that the server should use, if one has been specified. |
| | | private String realm; |
| | | |
| | | |
| | | |
| | | /** |
| | |
| | | public DigestMD5SASLMechanismHandler() |
| | | { |
| | | super(); |
| | | |
| | | } |
| | | |
| | | |
| | |
| | | * {@inheritDoc} |
| | | */ |
| | | @Override() |
| | | public void initializeSASLMechanismHandler(ConfigEntry configEntry) |
| | | public void initializeSASLMechanismHandler( |
| | | DigestMD5SASLMechanismHandlerCfg configuration) |
| | | throws ConfigException, InitializationException |
| | | { |
| | | this.configEntryDN = configEntry.getDN(); |
| | | configuration.addDigestMD5ChangeListener(this); |
| | | |
| | | currentConfig = configuration; |
| | | configEntryDN = configuration.dn(); |
| | | |
| | | |
| | | // Initialize the variables needed for the MD5 digest creation. |
| | |
| | | |
| | | |
| | | // Get the identity mapper that should be used to find users. |
| | | int msgID = MSGID_SASLDIGESTMD5_DESCRIPTION_IDENTITY_MAPPER_DN; |
| | | DNConfigAttribute mapperStub = |
| | | new DNConfigAttribute(ATTR_IDMAPPER_DN, getMessage(msgID), true, false, |
| | | false); |
| | | try |
| | | DN identityMapperDN = configuration.getIdentityMapperDN(); |
| | | identityMapper = DirectoryServer.getIdentityMapper(identityMapperDN); |
| | | if (identityMapper == null) |
| | | { |
| | | DNConfigAttribute mapperAttr = |
| | | (DNConfigAttribute) configEntry.getConfigAttribute(mapperStub); |
| | | if (mapperAttr == null) |
| | | { |
| | | msgID = MSGID_SASLDIGESTMD5_NO_IDENTITY_MAPPER_ATTR; |
| | | String message = getMessage(msgID, String.valueOf(configEntryDN)); |
| | | throw new ConfigException(msgID, message); |
| | | } |
| | | else |
| | | { |
| | | identityMapperDN = mapperAttr.activeValue(); |
| | | identityMapper = DirectoryServer.getIdentityMapper(identityMapperDN); |
| | | if (identityMapper == null) |
| | | { |
| | | msgID = MSGID_SASLDIGESTMD5_NO_SUCH_IDENTITY_MAPPER; |
| | | String message = getMessage(msgID, String.valueOf(identityMapperDN), |
| | | String.valueOf(configEntryDN)); |
| | | throw new ConfigException(msgID, message); |
| | | } |
| | | } |
| | | } |
| | | catch (ConfigException ce) |
| | | { |
| | | throw ce; |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | if (debugEnabled()) |
| | | { |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | msgID = MSGID_SASLDIGESTMD5_CANNOT_GET_IDENTITY_MAPPER; |
| | | String message = getMessage(msgID, String.valueOf(configEntryDN), |
| | | stackTraceToSingleLineString(e)); |
| | | throw new InitializationException(msgID, message, e); |
| | | } |
| | | |
| | | |
| | | // Determine the realm to use, if any. |
| | | realm = null; |
| | | msgID = MSGID_SASLDIGESTMD5_DESCRIPTION_REALM; |
| | | StringConfigAttribute realmStub = |
| | | new StringConfigAttribute(ATTR_DIGESTMD5_REALM, getMessage(msgID), |
| | | false, false, false); |
| | | try |
| | | { |
| | | StringConfigAttribute realmAttr = |
| | | (StringConfigAttribute) configEntry.getConfigAttribute(realmStub); |
| | | if (realmAttr != null) |
| | | { |
| | | realm = realmAttr.activeValue(); |
| | | } |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | if (debugEnabled()) |
| | | { |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | msgID = MSGID_SASLDIGESTMD5_CANNOT_GET_REALM; |
| | | String message = getMessage(msgID, String.valueOf(configEntryDN), |
| | | stackTraceToSingleLineString(e)); |
| | | throw new InitializationException(msgID, message, e); |
| | | int msgID = MSGID_SASLDIGESTMD5_NO_SUCH_IDENTITY_MAPPER; |
| | | String message = getMessage(msgID, String.valueOf(identityMapperDN), |
| | | String.valueOf(configEntryDN)); |
| | | throw new ConfigException(msgID, message); |
| | | } |
| | | |
| | | |
| | | DirectoryServer.registerSASLMechanismHandler(SASL_MECHANISM_DIGEST_MD5, |
| | | this); |
| | | DirectoryServer.registerConfigurableComponent(this); |
| | | } |
| | | |
| | | |
| | |
| | | @Override() |
| | | public void finalizeSASLMechanismHandler() |
| | | { |
| | | DirectoryServer.deregisterConfigurableComponent(this); |
| | | currentConfig.removeDigestMD5ChangeListener(this); |
| | | DirectoryServer.deregisterSASLMechanismHandler(SASL_MECHANISM_DIGEST_MD5); |
| | | } |
| | | |
| | |
| | | @Override() |
| | | public void processSASLBind(BindOperation bindOperation) |
| | | { |
| | | DigestMD5SASLMechanismHandlerCfg config = currentConfig; |
| | | IdentityMapper identityMapper = this.identityMapper; |
| | | String realm = config.getRealm(); |
| | | |
| | | |
| | | // The DIGEST-MD5 bind process uses two stages. See if the client provided |
| | | // any credentials. If not, then this is an initial authentication so we |
| | | // will send a challenge to the client. |
| | |
| | | |
| | | |
| | | /** |
| | | * Retrieves the DN of the configuration entry with which this component is |
| | | * associated. |
| | | * |
| | | * @return The DN of the configuration entry with which this component is |
| | | * associated. |
| | | */ |
| | | public DN getConfigurableComponentEntryDN() |
| | | { |
| | | return configEntryDN; |
| | | } |
| | | |
| | | |
| | | |
| | | |
| | | /** |
| | | * Retrieves the set of configuration attributes that are associated with this |
| | | * configurable component. |
| | | * |
| | | * @return The set of configuration attributes that are associated with this |
| | | * configurable component. |
| | | */ |
| | | public List<ConfigAttribute> getConfigurationAttributes() |
| | | { |
| | | LinkedList<ConfigAttribute> attrList = new LinkedList<ConfigAttribute>(); |
| | | |
| | | int msgID = MSGID_SASLDIGESTMD5_DESCRIPTION_IDENTITY_MAPPER_DN; |
| | | attrList.add(new DNConfigAttribute(ATTR_IDMAPPER_DN, getMessage(msgID), |
| | | true, false, false, identityMapperDN)); |
| | | |
| | | msgID = MSGID_SASLDIGESTMD5_DESCRIPTION_REALM; |
| | | attrList.add(new StringConfigAttribute(ATTR_DIGESTMD5_REALM, |
| | | getMessage(msgID), false, false, |
| | | false, realm)); |
| | | |
| | | return attrList; |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Indicates whether the provided configuration entry has an acceptable |
| | | * configuration for this component. If it does not, then detailed |
| | | * information about the problem(s) should be added to the provided list. |
| | | * |
| | | * @param configEntry The configuration entry for which to make the |
| | | * determination. |
| | | * @param unacceptableReasons A list that can be used to hold messages about |
| | | * why the provided entry does not have an |
| | | * acceptable configuration. |
| | | * |
| | | * @return <CODE>true</CODE> if the provided entry has an acceptable |
| | | * configuration for this component, or <CODE>false</CODE> if not. |
| | | */ |
| | | public boolean hasAcceptableConfiguration(ConfigEntry configEntry, |
| | | List<String> unacceptableReasons) |
| | | { |
| | | // Look at the identity mapper configuration. |
| | | int msgID = MSGID_SASLDIGESTMD5_DESCRIPTION_IDENTITY_MAPPER_DN; |
| | | DNConfigAttribute mapperStub = |
| | | new DNConfigAttribute(ATTR_IDMAPPER_DN, getMessage(msgID), true, false, |
| | | false); |
| | | try |
| | | { |
| | | DNConfigAttribute mapperAttr = |
| | | (DNConfigAttribute) configEntry.getConfigAttribute(mapperStub); |
| | | if (mapperAttr == null) |
| | | { |
| | | msgID = MSGID_SASLDIGESTMD5_NO_IDENTITY_MAPPER_ATTR; |
| | | unacceptableReasons.add(getMessage(msgID, |
| | | String.valueOf(configEntryDN))); |
| | | return false; |
| | | } |
| | | |
| | | DN mapperDN = mapperAttr.pendingValue(); |
| | | if (! mapperDN.equals(identityMapperDN)) |
| | | { |
| | | IdentityMapper mapper = DirectoryServer.getIdentityMapper(mapperDN); |
| | | if (mapper == null) |
| | | { |
| | | msgID = MSGID_SASLDIGESTMD5_NO_SUCH_IDENTITY_MAPPER; |
| | | unacceptableReasons.add(getMessage(msgID, String.valueOf(mapperDN), |
| | | String.valueOf(configEntryDN))); |
| | | return false; |
| | | } |
| | | } |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | if (debugEnabled()) |
| | | { |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | msgID = MSGID_SASLDIGESTMD5_CANNOT_GET_IDENTITY_MAPPER; |
| | | unacceptableReasons.add(getMessage(msgID, String.valueOf(configEntryDN), |
| | | stackTraceToSingleLineString(e))); |
| | | return false; |
| | | } |
| | | |
| | | |
| | | // Look at the realm configuration. |
| | | msgID = MSGID_SASLDIGESTMD5_DESCRIPTION_REALM; |
| | | StringConfigAttribute realmStub = |
| | | new StringConfigAttribute(ATTR_DIGESTMD5_REALM, getMessage(msgID), |
| | | false, false, false); |
| | | try |
| | | { |
| | | StringConfigAttribute realmAttr = |
| | | (StringConfigAttribute) configEntry.getConfigAttribute(realmStub); |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | if (debugEnabled()) |
| | | { |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | msgID = MSGID_SASLDIGESTMD5_CANNOT_GET_REALM; |
| | | unacceptableReasons.add(getMessage(msgID, String.valueOf(configEntryDN), |
| | | stackTraceToSingleLineString(e))); |
| | | return false; |
| | | } |
| | | |
| | | |
| | | // If we've gotten to this point, then everything must be OK. |
| | | return true; |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * Makes a best-effort attempt to apply the configuration contained in the |
| | | * provided entry. Information about the result of this processing should be |
| | | * added to the provided message list. Information should always be added to |
| | | * this list if a configuration change could not be applied. If detailed |
| | | * results are requested, then information about the changes applied |
| | | * successfully (and optionally about parameters that were not changed) should |
| | | * also be included. |
| | | * |
| | | * @param configEntry The entry containing the new configuration to |
| | | * apply for this component. |
| | | * @param detailedResults Indicates whether detailed information about the |
| | | * processing should be added to the list. |
| | | * |
| | | * @return Information about the result of the configuration update. |
| | | */ |
| | | public ConfigChangeResult applyNewConfiguration(ConfigEntry configEntry, |
| | | boolean detailedResults) |
| | | { |
| | | ResultCode resultCode = ResultCode.SUCCESS; |
| | | boolean adminActionRequired = false; |
| | | ArrayList<String> messages = new ArrayList<String>(); |
| | | |
| | | |
| | | // Look at the identity mapper configuration. |
| | | DN newIdentityMapperDN = null; |
| | | IdentityMapper newIdentityMapper = null; |
| | | int msgID = MSGID_SASLDIGESTMD5_DESCRIPTION_IDENTITY_MAPPER_DN; |
| | | DNConfigAttribute mapperStub = |
| | | new DNConfigAttribute(ATTR_IDMAPPER_DN, getMessage(msgID), true, false, |
| | | false); |
| | | try |
| | | { |
| | | DNConfigAttribute mapperAttr = |
| | | (DNConfigAttribute) configEntry.getConfigAttribute(mapperStub); |
| | | if (mapperAttr == null) |
| | | { |
| | | msgID = MSGID_SASLDIGESTMD5_NO_IDENTITY_MAPPER_ATTR; |
| | | messages.add(getMessage(msgID, String.valueOf(configEntryDN))); |
| | | |
| | | resultCode = ResultCode.CONSTRAINT_VIOLATION; |
| | | } |
| | | else |
| | | { |
| | | newIdentityMapperDN = mapperAttr.pendingValue(); |
| | | if (! newIdentityMapperDN.equals(identityMapperDN)) |
| | | { |
| | | newIdentityMapper = |
| | | DirectoryServer.getIdentityMapper(newIdentityMapperDN); |
| | | if (newIdentityMapper == null) |
| | | { |
| | | msgID = MSGID_SASLDIGESTMD5_NO_SUCH_IDENTITY_MAPPER; |
| | | messages.add(getMessage(msgID, String.valueOf(newIdentityMapperDN), |
| | | String.valueOf(configEntryDN))); |
| | | |
| | | resultCode = ResultCode.CONSTRAINT_VIOLATION; |
| | | } |
| | | } |
| | | } |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | if (debugEnabled()) |
| | | { |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | msgID = MSGID_SASLDIGESTMD5_CANNOT_GET_IDENTITY_MAPPER; |
| | | messages.add(getMessage(msgID, String.valueOf(configEntryDN), |
| | | stackTraceToSingleLineString(e))); |
| | | resultCode = DirectoryServer.getServerErrorResultCode(); |
| | | } |
| | | |
| | | |
| | | // Look at the realm configuration. |
| | | String newRealm = null; |
| | | msgID = MSGID_SASLDIGESTMD5_DESCRIPTION_REALM; |
| | | StringConfigAttribute realmStub = |
| | | new StringConfigAttribute(ATTR_DIGESTMD5_REALM, getMessage(msgID), |
| | | false, false, false); |
| | | try |
| | | { |
| | | StringConfigAttribute realmAttr = |
| | | (StringConfigAttribute) configEntry.getConfigAttribute(realmStub); |
| | | if (realmAttr != null) |
| | | { |
| | | newRealm = realmAttr.pendingValue(); |
| | | } |
| | | } |
| | | catch (Exception e) |
| | | { |
| | | if (debugEnabled()) |
| | | { |
| | | debugCaught(DebugLogLevel.ERROR, e); |
| | | } |
| | | |
| | | msgID = MSGID_SASLDIGESTMD5_CANNOT_GET_REALM; |
| | | messages.add(getMessage(msgID, String.valueOf(configEntryDN), |
| | | stackTraceToSingleLineString(e))); |
| | | |
| | | if (resultCode == ResultCode.SUCCESS) |
| | | { |
| | | resultCode = DirectoryServer.getServerErrorResultCode(); |
| | | } |
| | | } |
| | | |
| | | |
| | | // If everything has been successful, then apply any changes that were made. |
| | | if (resultCode == ResultCode.SUCCESS) |
| | | { |
| | | if ((newIdentityMapperDN != null) && (newIdentityMapper != null)) |
| | | { |
| | | identityMapperDN = newIdentityMapperDN; |
| | | identityMapper = newIdentityMapper; |
| | | |
| | | if (detailedResults) |
| | | { |
| | | msgID = MSGID_SASLDIGESTMD5_UPDATED_IDENTITY_MAPPER; |
| | | messages.add(getMessage(msgID, String.valueOf(configEntryDN), |
| | | String.valueOf(identityMapperDN))); |
| | | } |
| | | } |
| | | |
| | | if (realm == null) |
| | | { |
| | | if (newRealm != null) |
| | | { |
| | | realm = newRealm; |
| | | |
| | | if (detailedResults) |
| | | { |
| | | msgID = MSGID_SASLDIGESTMD5_UPDATED_NEW_REALM; |
| | | messages.add(getMessage(msgID, String.valueOf(configEntryDN), |
| | | String.valueOf(realm))); |
| | | } |
| | | } |
| | | } |
| | | else if (newRealm == null) |
| | | { |
| | | realm = null; |
| | | |
| | | if (detailedResults) |
| | | { |
| | | msgID = MSGID_SASLDIGESTMD5_UPDATED_NO_REALM; |
| | | messages.add(getMessage(msgID, String.valueOf(configEntryDN))); |
| | | } |
| | | } |
| | | else |
| | | { |
| | | if (! realm.equals(newRealm)) |
| | | { |
| | | realm = newRealm; |
| | | |
| | | if (detailedResults) |
| | | { |
| | | msgID = MSGID_SASLDIGESTMD5_UPDATED_NEW_REALM; |
| | | messages.add(getMessage(msgID, String.valueOf(configEntryDN), |
| | | String.valueOf(realm))); |
| | | } |
| | | } |
| | | } |
| | | } |
| | | |
| | | |
| | | // Return the result to the caller. |
| | | return new ConfigChangeResult(resultCode, adminActionRequired, messages); |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | @Override() |
| | |
| | | // This may be considered a secure mechanism. |
| | | return true; |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public boolean isConfigurationChangeAcceptable( |
| | | DigestMD5SASLMechanismHandlerCfg configuration, |
| | | List<String> unacceptableReasons) |
| | | { |
| | | boolean configAcceptable = true; |
| | | |
| | | // Get the identity mapper that should be used to find users. |
| | | DN identityMapperDN = configuration.getIdentityMapperDN(); |
| | | IdentityMapper newIdentityMapper = |
| | | DirectoryServer.getIdentityMapper(identityMapperDN); |
| | | if (newIdentityMapper == null) |
| | | { |
| | | int msgID = MSGID_SASLDIGESTMD5_NO_SUCH_IDENTITY_MAPPER; |
| | | unacceptableReasons.add(getMessage(msgID, |
| | | String.valueOf(identityMapperDN), |
| | | String.valueOf(configEntryDN))); |
| | | configAcceptable = false; |
| | | } |
| | | |
| | | |
| | | return configAcceptable; |
| | | } |
| | | |
| | | |
| | | |
| | | /** |
| | | * {@inheritDoc} |
| | | */ |
| | | public ConfigChangeResult applyConfigurationChange( |
| | | DigestMD5SASLMechanismHandlerCfg configuration) |
| | | { |
| | | ResultCode resultCode = ResultCode.SUCCESS; |
| | | boolean adminActionRequired = false; |
| | | ArrayList<String> messages = new ArrayList<String>(); |
| | | |
| | | |
| | | // Get the identity mapper that should be used to find users. |
| | | DN identityMapperDN = configuration.getIdentityMapperDN(); |
| | | IdentityMapper newIdentityMapper = |
| | | DirectoryServer.getIdentityMapper(identityMapperDN); |
| | | if (newIdentityMapper == null) |
| | | { |
| | | if (resultCode == ResultCode.SUCCESS) |
| | | { |
| | | resultCode = ResultCode.CONSTRAINT_VIOLATION; |
| | | } |
| | | |
| | | int msgID = MSGID_SASLDIGESTMD5_NO_SUCH_IDENTITY_MAPPER; |
| | | messages.add(getMessage(msgID, String.valueOf(identityMapperDN), |
| | | String.valueOf(configEntryDN))); |
| | | } |
| | | |
| | | |
| | | if (resultCode == ResultCode.SUCCESS) |
| | | { |
| | | identityMapper = newIdentityMapper; |
| | | currentConfig = configuration; |
| | | } |
| | | |
| | | |
| | | return new ConfigChangeResult(resultCode, adminActionRequired, messages); |
| | | } |
| | | } |
| | | |