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A pure-java CIFS/SMB client library
/*
* © 2016 AgNO3 Gmbh & Co. KG
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package jcifs.config;
import java.io.UnsupportedEncodingException;
import java.net.InetAddress;
import java.net.UnknownHostException;
import java.security.SecureRandom;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.StringTokenizer;
import java.util.TimeZone;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.DialectVersion;
import jcifs.ResolverType;
import jcifs.SmbConstants;
/**
* @author mbechler
*
*/
public class BaseConfiguration implements Configuration {
private static final Logger log = LoggerFactory.getLogger(PropertyConfiguration.class);
private static final Map DEFAULT_BATCH_LIMITS = new HashMap<>();
static {
DEFAULT_BATCH_LIMITS.put("TreeConnectAndX.QueryInformation", 0);
}
private final Map batchLimits = new HashMap<>();
protected int localPid = -1;
protected TimeZone localTimeZone;
protected SecureRandom random;
protected boolean useBatching = true;
protected boolean useUnicode = true;
protected boolean forceUnicode = false;
protected boolean signingPreferred = false;
protected boolean signingEnforced = false;
protected boolean ipcSigningEnforced = true;
protected boolean encryptionEnabled = false;
protected boolean useNtStatus = true;
protected boolean useExtendedSecurity = true;
protected boolean forceExtendedSecurity = false;
protected boolean smb2OnlyNegotiation = false;
protected boolean port139FailoverEnabled = false;
protected boolean useNTSmbs = true;
protected boolean useLargeReadWrite = true;
protected int lanmanCompatibility = 3;
protected boolean allowNTLMFallback = true;
protected boolean useRawNTLM = false;
protected boolean disableSpnegoIntegrity = false;
protected boolean enforceSpnegoIntegrity = true;
protected boolean disablePlainTextPasswords = true;
protected String oemEncoding = SmbConstants.DEFAULT_OEM_ENCODING;
protected int flags2 = 0;
protected int capabilities = 0;
protected int sessionLimit = SmbConstants.DEFAULT_SSN_LIMIT;
protected boolean smbTcpNoDelay = false;
protected int smbResponseTimeout = SmbConstants.DEFAULT_RESPONSE_TIMEOUT;
protected int smbSocketTimeout = SmbConstants.DEFAULT_SO_TIMEOUT;
protected int smbConnectionTimeout = SmbConstants.DEFAULT_CONN_TIMEOUT;
protected int smbSessionTimeout = SmbConstants.DEFAULT_SO_TIMEOUT;
protected boolean idleTimeoutDisabled = false;
protected InetAddress smbLocalAddress;
protected int smbLocalPort = 0;
protected int maxMpxCount = SmbConstants.DEFAULT_MAX_MPX_COUNT;
protected int smbSendBufferSize = SmbConstants.DEFAULT_SND_BUF_SIZE;
protected int smbRecvBufferSize = SmbConstants.DEFAULT_RCV_BUF_SIZE;
protected int smbNotifyBufferSize = SmbConstants.DEFAULT_NOTIFY_BUF_SIZE;
protected String nativeOs;
protected String nativeLanMan = "jCIFS";
protected int vcNumber = 1;
protected boolean dfsDisabled = false;
protected long dfsTTL = 300;
protected boolean dfsStrictView = false;
protected boolean dfsConvertToFqdn;
protected String logonShare;
protected String defaultDomain;
protected String defaultUserName;
protected String defaultPassword;
protected String netbiosHostname;
protected int netbiosCachePolicy = 60 * 60 * 10;
protected int netbiosSocketTimeout = 5000;
protected int netbiosSendBufferSize = 576;
protected int netbiosRevcBufferSize = 576;
protected int netbiosRetryCount = 2;
protected int netbiosRetryTimeout = 3000;
protected String netbiosScope;
protected int netbiosLocalPort = 0;
protected InetAddress netbiosLocalAddress;
protected String lmhostsFilename;
protected InetAddress[] winsServer = new InetAddress[0];
protected InetAddress broadcastAddress;
protected List resolverOrder;
protected int maximumBufferSize = 0x10000;
protected int transactionBufferSize = 0xFFFF - 512;
protected int bufferCacheSize = 16;
protected int smbListSize = 65535;
protected int smbListCount = 200;
protected long smbAttributeExpiration = 5000L;
protected boolean ignoreCopyToException = false;
protected int maxRequestRetries = 2;
protected boolean traceResourceUsage;
protected boolean strictResourceLifecycle;
protected Set disallowCompound;
protected DialectVersion minVersion;
protected DialectVersion maxVersion;
private boolean requireSecureNegotiate = true;
private byte[] machineId;
/**
* @throws CIFSException
*
*/
protected BaseConfiguration () throws CIFSException {
this(false);
}
/**
*
* @param initDefaults
* whether to initialize defaults based on other settings
* @throws CIFSException
*/
public BaseConfiguration ( boolean initDefaults ) throws CIFSException {
if ( initDefaults ) {
this.initDefaults();
}
}
@Override
public SecureRandom getRandom () {
return this.random;
}
@Override
public String getNetbiosHostname () {
return this.netbiosHostname;
}
@Override
public InetAddress getLocalAddr () {
return this.smbLocalAddress;
}
@Override
public int getLocalPort () {
return this.smbLocalPort;
}
@Override
public int getConnTimeout () {
return this.smbConnectionTimeout;
}
@Override
public int getResponseTimeout () {
return this.smbResponseTimeout;
}
@Override
public int getSoTimeout () {
return this.smbSocketTimeout;
}
@Override
public int getSessionTimeout () {
return this.smbSessionTimeout;
}
@Override
public int getSendBufferSize () {
return this.smbSendBufferSize;
}
@Deprecated
@Override
public int getRecieveBufferSize () {
return this.smbRecvBufferSize;
}
@Override
public int getReceiveBufferSize () {
return this.smbRecvBufferSize;
}
@Override
public int getNotifyBufferSize () {
return this.smbNotifyBufferSize;
}
@Override
public int getMaxMpxCount () {
return this.maxMpxCount;
}
@Override
public String getNativeLanman () {
return this.nativeLanMan;
}
@Override
public String getNativeOs () {
return this.nativeOs;
}
@Override
public int getVcNumber () {
return this.vcNumber;
}
@Override
public int getCapabilities () {
return this.capabilities;
}
@Override
public DialectVersion getMinimumVersion () {
return this.minVersion;
}
@Override
public DialectVersion getMaximumVersion () {
return this.maxVersion;
}
@Override
public boolean isUseSMB2OnlyNegotiation () {
return this.smb2OnlyNegotiation;
}
@Override
public boolean isRequireSecureNegotiate () {
return this.requireSecureNegotiate;
}
@Override
public boolean isPort139FailoverEnabled () {
return this.port139FailoverEnabled;
}
@Override
public boolean isUseBatching () {
return this.useBatching;
}
@Override
public boolean isUseUnicode () {
return this.useUnicode;
}
@Override
public boolean isForceUnicode () {
return this.forceUnicode;
}
@Override
public boolean isDfsDisabled () {
return this.dfsDisabled;
}
@Override
public boolean isDfsStrictView () {
return this.dfsStrictView;
}
@Override
public long getDfsTtl () {
return this.dfsTTL;
}
@Override
public boolean isDfsConvertToFQDN () {
return this.dfsConvertToFqdn;
}
@Override
public String getLogonShare () {
return this.logonShare;
}
@Override
public String getDefaultDomain () {
return this.defaultDomain;
}
@Override
public String getDefaultUsername () {
return this.defaultUserName;
}
@Override
public String getDefaultPassword () {
return this.defaultPassword;
}
@Override
public boolean isDisablePlainTextPasswords () {
return this.disablePlainTextPasswords;
}
@Override
public int getLanManCompatibility () {
return this.lanmanCompatibility;
}
@Override
public boolean isAllowNTLMFallback () {
return this.allowNTLMFallback;
}
@Override
public boolean isUseRawNTLM () {
return this.useRawNTLM;
}
@Override
public boolean isDisableSpnegoIntegrity () {
return this.disableSpnegoIntegrity;
}
@Override
public boolean isEnforceSpnegoIntegrity () {
return this.enforceSpnegoIntegrity;
}
@Override
public InetAddress getBroadcastAddress () {
return this.broadcastAddress;
}
@Override
public List getResolveOrder () {
return this.resolverOrder;
}
@Override
public InetAddress[] getWinsServers () {
return this.winsServer;
}
@Override
public int getNetbiosLocalPort () {
return this.netbiosLocalPort;
}
@Override
public InetAddress getNetbiosLocalAddress () {
return this.netbiosLocalAddress;
}
@Override
public int getNetbiosSoTimeout () {
return this.netbiosSocketTimeout;
}
@Override
public String getNetbiosScope () {
return this.netbiosScope;
}
@Override
public int getNetbiosCachePolicy () {
return this.netbiosCachePolicy;
}
@Override
public int getNetbiosRcvBufSize () {
return this.netbiosRevcBufferSize;
}
@Override
public int getNetbiosRetryCount () {
return this.netbiosRetryCount;
}
@Override
public int getNetbiosRetryTimeout () {
return this.netbiosRetryTimeout;
}
@Override
public int getNetbiosSndBufSize () {
return this.netbiosSendBufferSize;
}
@Override
public String getLmHostsFileName () {
return this.lmhostsFilename;
}
@Override
public int getFlags2 () {
return this.flags2;
}
@Override
public int getSessionLimit () {
return this.sessionLimit;
}
@Override
public String getOemEncoding () {
return this.oemEncoding;
}
@Override
public TimeZone getLocalTimezone () {
return this.localTimeZone;
}
@Override
public int getPid () {
return this.localPid;
}
@Override
public boolean isSigningEnabled () {
return this.signingPreferred;
}
@Override
public boolean isSigningEnforced () {
return this.signingEnforced;
}
@Override
public boolean isIpcSigningEnforced () {
return this.ipcSigningEnforced;
}
@Override
public boolean isEncryptionEnabled () {
return this.encryptionEnabled;
}
@Override
public boolean isForceExtendedSecurity () {
return this.forceExtendedSecurity;
}
@Override
public int getTransactionBufferSize () {
return this.transactionBufferSize;
}
@Override
public int getMaximumBufferSize () {
return this.maximumBufferSize;
}
@Override
public int getBufferCacheSize () {
return this.bufferCacheSize;
}
@Override
public int getListCount () {
return this.smbListCount;
}
@Override
public int getListSize () {
return this.smbListSize;
}
@Override
public long getAttributeCacheTimeout () {
return this.smbAttributeExpiration;
}
@Override
public boolean isIgnoreCopyToException () {
return this.ignoreCopyToException;
}
/**
* {@inheritDoc}
*
* @see jcifs.Configuration#getMaxRequestRetries()
*/
@Override
public int getMaxRequestRetries () {
return this.maxRequestRetries;
}
/**
* {@inheritDoc}
*
* @see jcifs.Configuration#isTraceResourceUsage()
*/
@Override
public boolean isTraceResourceUsage () {
return this.traceResourceUsage;
}
/**
* {@inheritDoc}
*
* @see jcifs.Configuration#isStrictResourceLifecycle()
*/
@Override
public boolean isStrictResourceLifecycle () {
return this.strictResourceLifecycle;
}
/**
*
* {@inheritDoc}
*
* @see jcifs.Configuration#getMachineId()
*/
@Override
public byte[] getMachineId () {
return this.machineId;
}
/**
* {@inheritDoc}
*
* @see jcifs.Configuration#getBatchLimit(java.lang.String)
*/
@Override
public int getBatchLimit ( String cmd ) {
Integer set = this.batchLimits.get(cmd);
if ( set != null ) {
return set;
}
set = doGetBatchLimit(cmd);
if ( set != null ) {
this.batchLimits.put(cmd, set);
return set;
}
set = DEFAULT_BATCH_LIMITS.get(cmd);
if ( set != null ) {
return set;
}
return 1;
}
/**
* {@inheritDoc}
*
* @see jcifs.Configuration#isAllowCompound(java.lang.String)
*/
@Override
public boolean isAllowCompound ( String command ) {
if ( this.disallowCompound == null ) {
return true;
}
return !this.disallowCompound.contains(command);
}
/**
* @param cmd
* @return
*/
protected Integer doGetBatchLimit ( String cmd ) {
return null;
}
protected void initResolverOrder ( String ro ) {
this.resolverOrder = new ArrayList<>();
if ( ro == null || ro.length() == 0 ) {
/*
* No resolveOrder has been specified, use the
* default which is LMHOSTS,DNS,WINS,BCAST or just
* LMHOSTS,DNS,BCAST if jcifs.netbios.wins has not
* been specified.
*/
if ( this.winsServer.length == 0 ) {
this.resolverOrder.add(ResolverType.RESOLVER_LMHOSTS);
this.resolverOrder.add(ResolverType.RESOLVER_DNS);
this.resolverOrder.add(ResolverType.RESOLVER_BCAST);
}
else {
this.resolverOrder.add(ResolverType.RESOLVER_LMHOSTS);
this.resolverOrder.add(ResolverType.RESOLVER_DNS);
this.resolverOrder.add(ResolverType.RESOLVER_WINS);
this.resolverOrder.add(ResolverType.RESOLVER_BCAST);
}
}
else {
StringTokenizer st = new StringTokenizer(ro, ",");
while ( st.hasMoreTokens() ) {
String s = st.nextToken().trim();
if ( s.equalsIgnoreCase("LMHOSTS") ) {
this.resolverOrder.add(ResolverType.RESOLVER_LMHOSTS);
}
else if ( s.equalsIgnoreCase("WINS") ) {
if ( this.winsServer.length == 0 ) {
log.error("UniAddress resolveOrder specifies WINS however " + " WINS server has not been configured");
continue;
}
this.resolverOrder.add(ResolverType.RESOLVER_WINS);
}
else if ( s.equalsIgnoreCase("BCAST") ) {
this.resolverOrder.add(ResolverType.RESOLVER_BCAST);
}
else if ( s.equalsIgnoreCase("DNS") ) {
this.resolverOrder.add(ResolverType.RESOLVER_DNS);
}
else {
log.error("unknown resolver method: " + s);
}
}
}
}
protected void initProtocolVersions ( String minStr, String maxStr ) {
DialectVersion min = ( minStr != null && !minStr.isEmpty() ) ? DialectVersion.valueOf(minStr) : null;
DialectVersion max = ( maxStr != null && !maxStr.isEmpty() ) ? DialectVersion.valueOf(maxStr) : null;
initProtocolVersions(min, max);
}
protected void initProtocolVersions ( DialectVersion min, DialectVersion max ) {
this.minVersion = min != null ? min : DialectVersion.SMB1;
this.maxVersion = max != null ? max : DialectVersion.SMB210;
}
protected void initDisallowCompound ( String prop ) {
if ( prop == null ) {
return;
}
Set disallow = new HashSet<>();
StringTokenizer st = new StringTokenizer(prop, ",");
while ( st.hasMoreTokens() ) {
disallow.add(st.nextToken().trim());
}
this.disallowCompound = disallow;
}
protected void initDefaults () throws CIFSException {
try {
"".getBytes(SmbConstants.DEFAULT_OEM_ENCODING);
}
catch ( UnsupportedEncodingException uee ) {
throw new CIFSException(
"The default OEM encoding " + SmbConstants.DEFAULT_OEM_ENCODING + " does not appear to be supported by this JRE.");
}
this.localPid = (int) ( Math.random() * 65536d );
this.localTimeZone = TimeZone.getDefault();
this.random = new SecureRandom();
if ( this.machineId == null ) {
byte[] mid = new byte[32];
this.random.nextBytes(mid);
this.machineId = mid;
}
if ( this.nativeOs == null ) {
this.nativeOs = System.getProperty("os.name");
}
if ( this.flags2 == 0 ) {
this.flags2 = SmbConstants.FLAGS2_LONG_FILENAMES | SmbConstants.FLAGS2_EXTENDED_ATTRIBUTES
| ( this.useExtendedSecurity ? SmbConstants.FLAGS2_EXTENDED_SECURITY_NEGOTIATION : 0 )
| ( this.signingPreferred ? SmbConstants.FLAGS2_SECURITY_SIGNATURES : 0 )
| ( this.useNtStatus ? SmbConstants.FLAGS2_STATUS32 : 0 )
| ( this.useUnicode || this.forceUnicode ? SmbConstants.FLAGS2_UNICODE : 0 );
}
if ( this.capabilities == 0 ) {
this.capabilities = ( this.useNTSmbs ? SmbConstants.CAP_NT_SMBS : 0 ) | ( this.useNtStatus ? SmbConstants.CAP_STATUS32 : 0 )
| ( this.useExtendedSecurity ? SmbConstants.CAP_EXTENDED_SECURITY : 0 )
| ( this.useLargeReadWrite ? SmbConstants.CAP_LARGE_READX : 0 ) | ( this.useLargeReadWrite ? SmbConstants.CAP_LARGE_WRITEX : 0 )
| ( this.useUnicode ? SmbConstants.CAP_UNICODE : 0 );
}
if ( this.broadcastAddress == null ) {
try {
this.broadcastAddress = InetAddress.getByName("255.255.255.255");
}
catch ( UnknownHostException uhe ) {
log.debug("Failed to get broadcast address", uhe);
}
}
if ( this.resolverOrder == null ) {
initResolverOrder(null);
}
if ( this.minVersion == null || this.maxVersion == null ) {
initProtocolVersions((DialectVersion) null, null);
}
if ( this.disallowCompound == null ) {
// Samba woes on these
// Smb2SessionSetupRequest + X -> INTERNAL_ERROR
// Smb2TreeConnectRequest + IoCtl -> NETWORK_NAME_DELETED
this.disallowCompound = new HashSet<>(Arrays.asList("Smb2SessionSetupRequest", "Smb2TreeConnectRequest"));
}
}
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