@Override
public void closeFile(SrvSession sess, TreeConnection tree, NetworkFile param)
throws IOException {
ContentContext tctx = (ContentContext) tree.getContext();
try {
diskInterface.closeFile(sess, tree, param);
if (tctx.hasStateCache()) {
FileStateCache cache = tctx.getStateCache();
FileState fstate = cache.findFileState(param.getFullName(), true);
if (fstate != null && param.getAccessToken() != null) {
FileAccessToken token = param.getAccessToken();
if (logger.isDebugEnabled() && token != null) {
logger.debug("close file release lock token:" + token);
}
cache.releaseFileAccess(fstate, token);
}
}
} catch (IOException ie) {
if (logger.isDebugEnabled()) {
logger.debug("close file exception caught", ie);
}
throw ie;
}
}
/**
* Process a filesystem I/O control request
*
* @param sess Server session
* @param tree Tree connection.
* @param ctrlCode I/O control code
* @param fid File id
* @param dataBuf I/O control specific input data
* @param isFSCtrl true if this is a filesystem control, or false for a device control
* @param filter if bit0 is set indicates that the control applies to the share root handle
* @return DataBuffer
* @exception IOControlNotImplementedException
* @exception SMBException
*/
public DataBuffer processIOControl(
SrvSession sess,
TreeConnection tree,
int ctrlCode,
int fid,
DataBuffer dataBuf,
boolean isFSCtrl,
int filter)
throws IOControlNotImplementedException, SMBException {
// Validate the file id
NetworkFile netFile = tree.findFile(fid);
if (netFile == null || netFile.isDirectory() == false)
throw new SMBException(SMBStatus.NTErr, SMBStatus.NTInvalidParameter);
// Check if the I/O control handler is enabled
if (tree.getContext() instanceof ContentContext) {
ContentContext ctx = (ContentContext) tree.getContext();
if (ioControlHandler != null) {
return ioControlHandler.processIOControl(
sess, tree, ctrlCode, fid, dataBuf, isFSCtrl, filter, this, ctx);
} else {
throw new IOControlNotImplementedException();
}
}
return null;
}
@Override
public void closeFile(SrvSession sess, TreeConnection tree, NetworkFile param)
throws IOException {
if (logger.isDebugEnabled()) {
logger.debug("closeFile:" + param.getFullName());
}
ContentContext tctx = (ContentContext) tree.getContext();
NodeRef rootNode = tctx.getRootNode();
DriverState driverState = getDriverState(sess);
String[] paths = FileName.splitPath(param.getFullName());
String folder = paths[0];
String file = paths[1];
try {
EvaluatorContext ctx = getEvaluatorContext(driverState, folder);
Operation o =
new CloseFileOperation(
file,
param,
rootNode,
param.getFullName(),
param.hasDeleteOnClose(),
param.isForce());
Command c = ruleEvaluator.evaluate(ctx, o);
commandExecutor.execute(sess, tree, c);
releaseEvaluatorContextIfEmpty(driverState, ctx, folder);
} catch (org.alfresco.repo.security.permissions.AccessDeniedException ade) {
throw new AccessDeniedException("Unable to close file " + param.getFullName(), ade);
}
}
@Override
public NetworkFile createFile(SrvSession sess, TreeConnection tree, FileOpenParams params)
throws IOException {
ContentContext tctx = (ContentContext) tree.getContext();
FileAccessToken token = null;
if (tctx.hasStateCache()) {
FileStateCache cache = tctx.getStateCache();
FileState fstate = tctx.getStateCache().findFileState(params.getPath(), true);
token = cache.grantFileAccess(params, fstate, FileStatus.NotExist);
if (logger.isDebugEnabled()) {
logger.debug("create file created lock token:" + token);
}
}
try {
NetworkFile newFile = diskInterface.createFile(sess, tree, params);
if (tctx.hasStateCache()) {
FileState fstate = tctx.getStateCache().findFileState(params.getPath(), true);
fstate.setProcessId(params.getProcessId());
fstate.setSharedAccess(params.getSharedAccess());
// Indicate that the file is open
fstate.setFileStatus(
newFile.isDirectory() ? FileStatus.DirectoryExists : FileStatus.FileExists);
fstate.setAllocationSize(params.getAllocationSize());
if (newFile instanceof NodeRefNetworkFile) {
NodeRefNetworkFile x = (NodeRefNetworkFile) newFile;
x.setFileState(fstate);
}
if (newFile instanceof TempNetworkFile) {
TempNetworkFile x = (TempNetworkFile) newFile;
x.setFileState(fstate);
}
}
if (newFile instanceof NodeRefNetworkFile) {
NodeRefNetworkFile x = (NodeRefNetworkFile) newFile;
x.setProcessId(params.getProcessId());
x.setAccessToken(token);
}
if (newFile instanceof TempNetworkFile) {
TempNetworkFile x = (TempNetworkFile) newFile;
x.setAccessToken(token);
}
return newFile;
} catch (IOException ie) {
if (logger.isDebugEnabled()) {
logger.debug("create file exception caught", ie);
}
if (tctx.hasStateCache() && token != null) {
FileStateCache cache = tctx.getStateCache();
FileState fstate = tctx.getStateCache().findFileState(params.getPath(), false);
if (fstate != null && token != null) {
if (logger.isDebugEnabled()) {
logger.debug("create file release lock token:" + token);
}
cache.releaseFileAccess(fstate, token);
}
}
throw ie;
}
}
/**
* Close the network file
*
* @param sess SrvSession
* @param netFile NetworkFile
* @exception IOException
*/
public void closeFile(SrvSession sess, NetworkFile netFile) throws IOException {
// Close the cached network file
if (netFile instanceof CachedNetworkFile) {
// Get the cached network file
CachedNetworkFile cacheFile = (CachedNetworkFile) netFile;
cacheFile.closeFile();
// Get the file segment details
FileSegment fileSeg = cacheFile.getFileSegment();
// Check if the file data has been updated, if so then queue a file save
if (fileSeg.isUpdated() && netFile.hasDeleteOnClose() == false) {
// Set the modified date/time and file size for the file
File tempFile = new File(fileSeg.getTemporaryFile());
netFile.setModifyDate(tempFile.lastModified());
netFile.setFileSize(tempFile.length());
// Queue a file save request to save the data back to the repository, if not already queued
if (fileSeg.isSaveQueued() == false) {
// Create a file save request for the updated file segment
SingleFileRequest fileReq =
new SingleFileRequest(
FileRequest.SAVE,
cacheFile.getFileId(),
cacheFile.getStreamId(),
fileSeg.getInfo(),
netFile.getFullName(),
cacheFile.getFileState());
// Check if there are any attributes to be added to the file request
if (hasRequiredAttributes() && sess != null) {
// Check if the user name is required
if (m_reqAttributes.containsString(FileRequest.AttrUserName)) {
// Add the user name attribute
ClientInfo cInfo = sess.getClientInformation();
String userName = "";
if (cInfo != null && cInfo.getUserName() != null) userName = cInfo.getUserName();
fileReq.addAttribute(new NameValue(FileRequest.AttrUserName, userName));
}
// Check if the protocol type is required
if (m_reqAttributes.containsString(FileRequest.AttrProtocol)) {
// Add the protocol type attribute
fileReq.addAttribute(new NameValue(FileRequest.AttrProtocol, sess.getProtocolName()));
}
}
// Set the file segment status
fileSeg.setStatus(FileSegmentInfo.SaveWait, true);
// Queue the file save request
queueFileRequest(fileReq);
} else if (Debug.EnableInfo && hasDebug()) {
// DEBUG
Debug.println("## FileLoader Save already queued for " + fileSeg);
}
}
// Update the cache timeout for the temporary file if there are no references to the file. If
// the file was
// opened for sequential access only it will be expired quicker.
else if (cacheFile.getFileState().getOpenCount() == 0) {
// If the file was opened for sequential access only then we can delete it from the
// temporary area
// sooner
long tmo = System.currentTimeMillis();
if (cacheFile.isSequentialOnly()) tmo += SequentialFileExpire;
else tmo += m_stateCache.getFileStateExpireInterval();
// Set the file state expiry, the local file data will be deleted when the file state
// expires (if there
// are still no references to the file).
cacheFile.getFileState().setExpiryTime(tmo);
}
// If the database is not online and the file is marked for delete then queue a delete file
// request to do
// the
// delete when the database is back online
if (m_dbCtx.isAvailable() == false && netFile.hasDeleteOnClose()) {
// Queue an offline delete request for the file
DeleteFileRequest deleteReq =
new DeleteFileRequest(
cacheFile.getFileId(),
cacheFile.getStreamId(),
fileSeg.getTemporaryFile(),
cacheFile.getFullNameStream(),
cacheFile.getFileState());
m_dbCtx.addOfflineFileDelete(deleteReq);
// DEBUG
if (Debug.EnableInfo && hasDebug())
Debug.println("## FileLoader queued offline delete, " + deleteReq);
}
}
}
/**
* Process a transact2 query file information (via handle) request.
*
* @param sess SMBSrvSession
* @param vc VirtualCircuit
* @param tbuf Transaction request details
* @param smbPkt SMBSrvPacket
* @exception IOException
* @exception SMBSrvException
*/
protected static final void procTrans2QueryFile(
SMBSrvSession sess, VirtualCircuit vc, SrvTransactBuffer tbuf, SMBSrvPacket smbPkt)
throws IOException, SMBSrvException {
// Get the tree connection details
int treeId = tbuf.getTreeId();
TreeConnection conn = vc.findConnection(treeId);
if (conn == null) {
sess.sendErrorResponseSMB(
smbPkt, SMBStatus.NTInvalidParameter, SMBStatus.DOSInvalidDrive, SMBStatus.ErrDos);
return;
}
// Check if the user has the required access permission
if (conn.hasReadAccess() == false) {
// User does not have the required access rights
sess.sendErrorResponseSMB(
smbPkt, SMBStatus.NTAccessDenied, SMBStatus.DOSAccessDenied, SMBStatus.ErrDos);
return;
}
// Get the file id and query path information level
DataBuffer paramBuf = tbuf.getParameterBuffer();
int fid = paramBuf.getShort();
int infoLevl = paramBuf.getShort();
// Get the file details via the file id
NetworkFile netFile = conn.findFile(fid);
if (netFile == null) {
sess.sendErrorResponseSMB(smbPkt, SMBStatus.DOSInvalidHandle, SMBStatus.ErrDos);
return;
}
// Debug
if (Debug.EnableInfo && sess.hasDebug(SMBSrvSession.DBG_IPC))
sess.debugPrintln(
"IPC$ Query File - level=0x"
+ Integer.toHexString(infoLevl)
+ ", fid="
+ fid
+ ", name="
+ netFile.getFullName());
// Access the shared device disk interface
try {
// Set the return parameter count, so that the data area position can be calculated.
smbPkt.setParameterCount(10);
// Pack the file information into the data area of the transaction reply
byte[] buf = smbPkt.getBuffer();
int prmPos = DataPacker.longwordAlign(smbPkt.getByteOffset());
int dataPos = prmPos + 4;
// Pack the return parametes, EA error offset
smbPkt.setPosition(prmPos);
smbPkt.packWord(0);
// Create a data buffer using the SMB packet. The response should always fit into a
// single reply packet.
DataBuffer replyBuf = new DataBuffer(buf, dataPos, buf.length - dataPos);
// Build the file information from the network file details
FileInfo fileInfo =
new FileInfo(netFile.getName(), netFile.getFileSize(), netFile.getFileAttributes());
fileInfo.setAccessDateTime(netFile.getAccessDate());
fileInfo.setCreationDateTime(netFile.getCreationDate());
fileInfo.setModifyDateTime(netFile.getModifyDate());
fileInfo.setChangeDateTime(netFile.getModifyDate());
fileInfo.setFileId(netFile.getFileId());
// Set the file allocation size, looks like it is used as the pipe buffer size
fileInfo.setAllocationSize(4096L);
// Pack the file information into the return data packet
int dataLen = QueryInfoPacker.packInfo(fileInfo, replyBuf, infoLevl, true);
// Check if any data was packed, if not then the information level is not supported
if (dataLen == 0) {
sess.sendErrorResponseSMB(
smbPkt, SMBStatus.NTInvalidParameter, SMBStatus.SRVNonSpecificError, SMBStatus.ErrSrv);
return;
}
SMBSrvTransPacket.initTransactReply(smbPkt, 2, prmPos, dataLen, dataPos);
smbPkt.setByteCount(replyBuf.getPosition() - smbPkt.getByteOffset());
// Send the transact reply
sess.sendResponseSMB(smbPkt);
} catch (FileNotFoundException ex) {
// Requested file does not exist
sess.sendErrorResponseSMB(
smbPkt, SMBStatus.NTObjectNotFound, SMBStatus.DOSFileNotFound, SMBStatus.ErrDos);
return;
} catch (PathNotFoundException ex) {
// Requested path does not exist
sess.sendErrorResponseSMB(
smbPkt, SMBStatus.NTObjectPathNotFound, SMBStatus.DOSFileNotFound, SMBStatus.ErrDos);
return;
} catch (UnsupportedInfoLevelException ex) {
// Requested information level is not supported
sess.sendErrorResponseSMB(
smbPkt, SMBStatus.NTInvalidParameter, SMBStatus.SRVNonSpecificError, SMBStatus.ErrSrv);
return;
} catch (DiskOfflineException ex) {
// Filesystem is offline
sess.sendErrorResponseSMB(
smbPkt, SMBStatus.NTObjectPathNotFound, SMBStatus.HRDDriveNotReady, SMBStatus.ErrHrd);
}
}