/** * Verifies that the server will reject a CRAM-MD5 bind in which the first message contains SASL * credentials (which isn't allowed). * * @throws Exception If an unexpected problem occurs. */ @Test() public void testOutOfSequenceBind() throws Exception { InternalClientConnection conn = new InternalClientConnection(new AuthenticationInfo()); BindOperation bindOperation = conn.processSASLBind(DN.nullDN(), SASL_MECHANISM_CRAM_MD5, ByteString.valueOf("invalid")); assertFalse(bindOperation.getResultCode() == ResultCode.SUCCESS); }
/** * Verifies that the server will reject a CRAM-MD5 bind with credentials containing a malformed * digest. * * @throws Exception If an unexpected problem occurs. */ @Test() public void testMalformedDigest() throws Exception { InternalClientConnection conn = new InternalClientConnection(new AuthenticationInfo()); BindOperation bindOperation = conn.processSASLBind(DN.nullDN(), SASL_MECHANISM_CRAM_MD5, null); assertEquals(bindOperation.getResultCode(), ResultCode.SASL_BIND_IN_PROGRESS); ByteString creds = ByteString.valueOf("dn:cn=Directory Manager malformeddigest"); bindOperation = conn.processSASLBind(DN.nullDN(), SASL_MECHANISM_CRAM_MD5, creds); assertFalse(bindOperation.getResultCode() == ResultCode.SUCCESS); }
/** {@inheritDoc} */ @Override public void processSASLBind(BindOperation bindOperation) { ExternalSASLMechanismHandlerCfg config = currentConfig; AttributeType certificateAttributeType = this.certificateAttributeType; CertificateValidationPolicy validationPolicy = this.validationPolicy; // Get the client connection used for the bind request, and get the // security manager for that connection. If either are null, then fail. ClientConnection clientConnection = bindOperation.getClientConnection(); if (clientConnection == null) { bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS); LocalizableMessage message = ERR_SASLEXTERNAL_NO_CLIENT_CONNECTION.get(); bindOperation.setAuthFailureReason(message); return; } if (!(clientConnection instanceof LDAPClientConnection)) { bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS); LocalizableMessage message = ERR_SASLEXTERNAL_NOT_LDAP_CLIENT_INSTANCE.get(); bindOperation.setAuthFailureReason(message); return; } LDAPClientConnection lc = (LDAPClientConnection) clientConnection; Certificate[] clientCertChain = lc.getClientCertificateChain(); if ((clientCertChain == null) || (clientCertChain.length == 0)) { bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS); LocalizableMessage message = ERR_SASLEXTERNAL_NO_CLIENT_CERT.get(); bindOperation.setAuthFailureReason(message); return; } // Get the certificate mapper to use to map the certificate to a user entry. DN certificateMapperDN = config.getCertificateMapperDN(); CertificateMapper<?> certificateMapper = DirectoryServer.getCertificateMapper(certificateMapperDN); // Use the Directory Server certificate mapper to map the client certificate // chain to a single user DN. Entry userEntry; try { userEntry = certificateMapper.mapCertificateToUser(clientCertChain); } catch (DirectoryException de) { logger.traceException(de); bindOperation.setResponseData(de); return; } // If the user DN is null, then we couldn't establish a mapping and // therefore the authentication failed. if (userEntry == null) { bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS); LocalizableMessage message = ERR_SASLEXTERNAL_NO_MAPPING.get(); bindOperation.setAuthFailureReason(message); return; } else { bindOperation.setSASLAuthUserEntry(userEntry); } // Get the userCertificate attribute from the user's entry for use in the // validation process. List<Attribute> certAttrList = userEntry.getAttribute(certificateAttributeType); switch (validationPolicy) { case ALWAYS: if (certAttrList == null) { if (validationPolicy == CertificateValidationPolicy.ALWAYS) { bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS); LocalizableMessage message = ERR_SASLEXTERNAL_NO_CERT_IN_ENTRY.get(userEntry.getName()); bindOperation.setAuthFailureReason(message); return; } } else { try { ByteString certBytes = ByteString.wrap(clientCertChain[0].getEncoded()); if (!find(certAttrList, certBytes)) { bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS); LocalizableMessage message = ERR_SASLEXTERNAL_PEER_CERT_NOT_FOUND.get(userEntry.getName()); bindOperation.setAuthFailureReason(message); return; } } catch (Exception e) { logger.traceException(e); bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS); LocalizableMessage message = ERR_SASLEXTERNAL_CANNOT_VALIDATE_CERT.get( userEntry.getName(), getExceptionMessage(e)); bindOperation.setAuthFailureReason(message); return; } } break; case IFPRESENT: if (certAttrList != null) { try { ByteString certBytes = ByteString.wrap(clientCertChain[0].getEncoded()); if (!find(certAttrList, certBytes)) { bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS); LocalizableMessage message = ERR_SASLEXTERNAL_PEER_CERT_NOT_FOUND.get(userEntry.getName()); bindOperation.setAuthFailureReason(message); return; } } catch (Exception e) { logger.traceException(e); bindOperation.setResultCode(ResultCode.INVALID_CREDENTIALS); LocalizableMessage message = ERR_SASLEXTERNAL_CANNOT_VALIDATE_CERT.get( userEntry.getName(), getExceptionMessage(e)); bindOperation.setAuthFailureReason(message); return; } } } AuthenticationInfo authInfo = new AuthenticationInfo( userEntry, SASL_MECHANISM_EXTERNAL, DirectoryServer.isRootDN(userEntry.getName())); bindOperation.setAuthenticationInfo(authInfo); bindOperation.setResultCode(ResultCode.SUCCESS); }