org.graylog2.syslog4j.impl.message.modifier.hash

Class HashSyslogMessageModifier

java.lang.Object

org.graylog2.syslog4j.impl.message.modifier.AbstractSyslogMessageModifier

org.graylog2.syslog4j.impl.message.modifier.hash.HashSyslogMessageModifier

All Implemented Interfaces:

Serializable, SyslogConstants, SyslogMessageModifierIF

public class HashSyslogMessageModifier
extends AbstractSyslogMessageModifier

HashSyslogMessageModifier is an implementation of SyslogMessageModifierIF that provides support for Java Cryptographic hashes (MD5, SHA1, SHA256, etc.).

Syslog4j is licensed under the Lesser GNU Public License v2.1. A copy of the LGPL license is available in the META-INF folder in all distributions of Syslog4j and in the base directory of the "doc" ZIP.

Version:

$Id: HashSyslogMessageModifier.java,v 1.5 2010/10/28 05:10:57 cvs Exp $

Author:

<syslog4j@productivity.org>

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected HashSyslogMessageModifierConfig	config

Fields inherited from class org.graylog2.syslog4j.impl.message.modifier.AbstractSyslogMessageModifier

messageModifierConfig

Fields inherited from interface org.graylog2.syslog4j.SyslogConstants

AF_UNIX, CACHE_HOST_ADDRESS_DEFAULT, CHAR_SET_DEFAULT, CRLF, FACILITY_ALERT, FACILITY_AUDIT, FACILITY_AUTH, FACILITY_AUTHPRIV, FACILITY_CLOCK2, FACILITY_CRON, FACILITY_DAEMON, FACILITY_FTP, FACILITY_KERN, FACILITY_LOCAL0, FACILITY_LOCAL1, FACILITY_LOCAL2, FACILITY_LOCAL3, FACILITY_LOCAL4, FACILITY_LOCAL5, FACILITY_LOCAL6, FACILITY_LOCAL7, FACILITY_LPR, FACILITY_MAIL, FACILITY_NEWS, FACILITY_NTP, FACILITY_SYSLOG, FACILITY_USER, FACILITY_UUCP, IDENT_SUFFIX_DEFAULT, INCLUDE_IDENT_IN_MESSAGE_MODIFIER_DEFAULT, JNA_NATIVE_CLASS, LEVEL_ALERT, LEVEL_CRITICAL, LEVEL_DEBUG, LEVEL_EMERGENCY, LEVEL_ERROR, LEVEL_INFO, LEVEL_NOTICE, LEVEL_WARN, LF, MAX_MESSAGE_LENGTH_DEFAULT, MAX_MESSAGE_LENGTH_RFC5424, MAX_QUEUE_SIZE_DEFAULT, MAX_SHUTDOWN_WAIT_DEFAULT, OPTION_LOG_CONS, OPTION_LOG_NDELAY, OPTION_LOG_NOWAIT, OPTION_LOG_ODELAY, OPTION_LOG_PERROR, OPTION_LOG_PID, OPTION_NONE, SEND_LOCAL_NAME_DEFAULT, SEND_LOCAL_NAME_DEFAULT_VALUE, SEND_LOCAL_TIMESTAMP_DEFAULT, SERVER_SHUTDOWN_WAIT_DEFAULT, SERVER_SOCKET_BACKLOG_DEFAULT, SHUTDOWN_INTERVAL, SOCK_DGRAM, SOCK_STREAM, SPLIT_MESSAGE_BEGIN_TEXT_DEFAULT, SPLIT_MESSAGE_END_TEXT_DEFAULT, STRUCTURED_DATA_APP_NAME_DEFAULT_VALUE, STRUCTURED_DATA_EMPTY_VALUE, STRUCTURED_DATA_NILVALUE, STRUCTURED_DATA_PROCESS_ID_DEFAULT_VALUE, SYSLOG_BUFFER_SIZE, SYSLOG_DATEFORMAT, SYSLOG_DATEFORMAT_RFC5424, SYSLOG_FACILITY_DEFAULT, SYSLOG_HOST_DEFAULT, SYSLOG_LIBRARY_DEFAULT, SYSLOG_MESSAGE_MODIFIER_PREFIX_DEFAULT, SYSLOG_MESSAGE_MODIFIER_SUFFIX_DEFAULT, SYSLOG_PATH_DEFAULT, SYSLOG_POOL_CONFIG_MAX_ACTIVE_DEFAULT, SYSLOG_POOL_CONFIG_MAX_IDLE_DEFAULT, SYSLOG_POOL_CONFIG_MAX_WAIT_DEFAULT, SYSLOG_POOL_CONFIG_MIN_EVICTABLE_IDLE_TIME_MILLIS_DEFAULT, SYSLOG_POOL_CONFIG_MIN_IDLE_DEFAULT, SYSLOG_POOL_CONFIG_NUM_TESTS_PER_EVICTION_RUN_DEFAULT, SYSLOG_POOL_CONFIG_SOFT_MIN_EVICTABLE_IDLE_TIME_MILLIS_DEFAULT, SYSLOG_POOL_CONFIG_TEST_ON_BORROW_DEFAULT, SYSLOG_POOL_CONFIG_TEST_ON_RETURN_DEFAULT, SYSLOG_POOL_CONFIG_TEST_WHILE_IDLE_DEFAULT, SYSLOG_POOL_CONFIG_TIME_BETWEEN_EVICTION_RUNS_MILLIS_DEFAULT, SYSLOG_PORT_DEFAULT, SYSLOG_SEQUENTIAL_MESSAGE_MODIFIER_FIRST_NUMBER_DEFAULT, SYSLOG_SEQUENTIAL_MESSAGE_MODIFIER_LAST_NUMBER_DEFAULT, SYSLOG_SEQUENTIAL_MESSAGE_MODIFIER_PAD_CHAR_DEFAULT, SYSLOG_SEQUENTIAL_MESSAGE_MODIFIER_PREFIX_DEFAULT, SYSLOG_SEQUENTIAL_MESSAGE_MODIFIER_SUFFIX_DEFAULT, SYSLOG_SEQUENTIAL_MESSAGE_MODIFIER_USE_PADDING_DEFAULT, SYSLOG_SOCKET_FAMILY_DEFAULT, SYSLOG_SOCKET_LIBRARY_DEFAULT, SYSLOG_SOCKET_PATH_DEFAULT, SYSLOG_SOCKET_PROTOCOL_DEFAULT, SYSLOG_SOCKET_TYPE_DEFAULT, TCP, TCP_DELIMITER_SEQUENCE_DEFAULT, TCP_FRESH_CONNECTION_INTERVAL_DEFAULT, TCP_KEEP_ALIVE_DEFAULT, TCP_MAX_ACTIVE_SOCKETS_BEHAVIOR_DEFAULT, TCP_MAX_ACTIVE_SOCKETS_DEFAULT, TCP_PERSISTENT_CONNECTION_DEFAULT, TCP_REUSE_ADDRESS_DEFAULT, TCP_SET_BUFFER_SIZE_DEFAULT, TCP_SO_LINGER_DEFAULT, TCP_SO_LINGER_SECONDS_DEFAULT, THREAD_LOOP_INTERVAL_DEFAULT, THREAD_PRIORITY_DEFAULT, THREADED_DEFAULT, THROW_EXCEPTION_ON_INITIALIZE_DEFAULT, THROW_EXCEPTION_ON_WRITE_DEFAULT, TRUNCATE_MESSAGE_DEFAULT, UDP, UNIX_SOCKET, UNIX_SYSLOG, USE_DAEMON_THREAD_DEFAULT, USE_STRUCTURED_DATA_DEFAULT, WRITE_RETRIES_DEFAULT

Constructor Summary

Constructors

Constructor and Description
HashSyslogMessageModifier(HashSyslogMessageModifierConfig config)

Method Summary

Modifier and Type	Method and Description
static HashSyslogMessageModifier	createMD5()
static HashSyslogMessageModifier	createSHA1()
static HashSyslogMessageModifier	createSHA160()
static HashSyslogMessageModifier	createSHA256()
static HashSyslogMessageModifier	createSHA384()
static HashSyslogMessageModifier	createSHA512()
HashSyslogMessageModifierConfig	getConfig()
String	modify(SyslogIF syslog, int facility, int level, String message)
protected MessageDigest	obtainMessageDigest()
boolean	verify(String message, byte[] hash)
boolean	verify(String message, String base64Hash)

Methods inherited from class org.graylog2.syslog4j.impl.message.modifier.AbstractSyslogMessageModifier

parseInlineModifier, parseInlineModifier, verify

Methods inherited from class java.lang.Object

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

Field Detail

config

protected HashSyslogMessageModifierConfig config

Constructor Detail

HashSyslogMessageModifier

public HashSyslogMessageModifier(HashSyslogMessageModifierConfig config)
                          throws SyslogRuntimeException

Throws:

SyslogRuntimeException

Method Detail

createMD5

public static final HashSyslogMessageModifier createMD5()

createSHA1

public static final HashSyslogMessageModifier createSHA1()

createSHA160

public static final HashSyslogMessageModifier createSHA160()

createSHA256

public static final HashSyslogMessageModifier createSHA256()

createSHA384

public static final HashSyslogMessageModifier createSHA384()

createSHA512

public static final HashSyslogMessageModifier createSHA512()

obtainMessageDigest

protected MessageDigest obtainMessageDigest()

getConfig

public HashSyslogMessageModifierConfig getConfig()

modify

public String modify(SyslogIF syslog,
                     int facility,
                     int level,
                     String message)

verify

public boolean verify(String message,
                      String base64Hash)

Specified by:

verify in class AbstractSyslogMessageModifier

verify

public boolean verify(String message,
                      byte[] hash)