Package com.jcraft.jsch

Class KnownHosts

java.lang.Object

com.jcraft.jsch.KnownHosts

All Implemented Interfaces:

HostKeyRepository

public class KnownHosts
extends Object
implements HostKeyRepository

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
(package private) class	KnownHosts.HashedHostKey

Field Summary

Fields

Modifier and Type	Field	Description
private static final String	_known_hosts
private static final byte[]	cr
private MAC	hmacsha1
private JSch	jsch
private String	known_hosts
private Vector	pool
private static final byte[]	space

Fields inherited from interface com.jcraft.jsch.HostKeyRepository

CHANGED, NOT_INCLUDED, OK

Constructor Summary

Constructors

Constructor	Description
KnownHosts(JSch jsch)

Method Summary

Modifier and Type	Method	Description
void	add(HostKey hostkey, UserInfo userinfo)	Adds a host key hostkey
private void	addInvalidLine(String line)
int	check(String host, byte[] key)	Checks if host is included with the key.
(package private) HostKey	createHashedHostKey(String host, byte[] key)
private String	deleteSubString(String hosts, String host)
(package private) void	dump(OutputStream out)
private MAC	getHMACSHA1()
HostKey[]	getHostKey()	Retuns a list for host keys managed in this repository.
HostKey[]	getHostKey(String host, String type)	Retuns a list for host keys managed in this repository.
(package private) String	getKnownHostsFile()
String	getKnownHostsRepositoryID()	Returns id of this repository.
void	remove(String host, String type)	Removes a host key if there exists mached key with host, type.
void	remove(String host, String type, byte[] key)	Removes a host key if there exists a matched key with host, type and key.
(package private) void	setKnownHosts(InputStream input)
(package private) void	setKnownHosts(String filename)
protected void	sync()
protected void	sync(String foo)

Methods inherited from class java.lang.Object

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

Field Details

_known_hosts

private static final String _known_hosts

See Also:

• Constant Field Values

jsch

private JSch jsch

known_hosts

private String known_hosts

pool

private Vector pool

hmacsha1

private MAC hmacsha1

space

private static final byte[] space

cr

private static final byte[] cr

Constructor Details

KnownHosts

KnownHosts(JSch jsch)

Method Details

setKnownHosts

void setKnownHosts(String filename)
            throws JSchException

Throws:

JSchException

setKnownHosts

void setKnownHosts(InputStream input)
            throws JSchException

Throws:

JSchException

addInvalidLine

private void addInvalidLine(String line)
                     throws JSchException

Throws:

JSchException

getKnownHostsFile

String getKnownHostsFile()

getKnownHostsRepositoryID

public String getKnownHostsRepositoryID()

Description copied from interface: HostKeyRepository

Returns id of this repository.

Specified by:

getKnownHostsRepositoryID in interface HostKeyRepository

Returns:

identity in String

check

public int check(String host,
 byte[] key)

Description copied from interface: HostKeyRepository

Checks if host is included with the key.

Specified by:

check in interface HostKeyRepository

Returns:

#NOT_INCLUDED, #OK or #CHANGED

See Also:

• HostKeyRepository.NOT_INCLUDED
• HostKeyRepository.OK
• HostKeyRepository.CHANGED

add

public void add(HostKey hostkey,
 UserInfo userinfo)

Description copied from interface: HostKeyRepository

Adds a host key hostkey

Specified by:

add in interface HostKeyRepository

Parameters:

hostkey - a host key to be added

userinfo - a user interface for showing messages or promping inputs.

See Also:

• UserInfo

getHostKey

public HostKey[] getHostKey()

Description copied from interface: HostKeyRepository

Retuns a list for host keys managed in this repository.

Specified by:

getHostKey in interface HostKeyRepository

See Also:

• HostKeyRepository.getHostKey(String host, String type)

getHostKey

public HostKey[] getHostKey(String host,
 String type)

Description copied from interface: HostKeyRepository

Retuns a list for host keys managed in this repository.

Specified by:

getHostKey in interface HostKeyRepository

Parameters:

host - a hostname used in searching host keys. If null is given, every host key will be listed.

type - a key type used in searching host keys, and it should be "ssh-dss" or "ssh-rsa". If null is given, a key type type will not be ignored.

remove

public void remove(String host,
 String type)

Description copied from interface: HostKeyRepository

Removes a host key if there exists mached key with host, type.

Specified by:

remove in interface HostKeyRepository

See Also:

• HostKeyRepository.remove(String host, String type, byte[] key)

remove

public void remove(String host,
 String type,
 byte[] key)

Description copied from interface: HostKeyRepository

Removes a host key if there exists a matched key with host, type and key.

Specified by:

remove in interface HostKeyRepository

sync

protected void sync()
             throws IOException

Throws:

IOException

sync

protected void sync(String foo)
             throws IOException

Throws:

IOException

dump

void dump(OutputStream out)
   throws IOException

Throws:

IOException

deleteSubString

private String deleteSubString(String hosts,
 String host)

getHMACSHA1

private MAC getHMACSHA1()

createHashedHostKey

HostKey createHashedHostKey(String host,
 byte[] key)
                     throws JSchException

Throws:

JSchException