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https://github.com/Alfresco/alfresco-community-repo.git
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Moving to root below branch label
git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@2005 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
@@ -0,0 +1,636 @@
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/*
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* Copyright (C) 2005 Alfresco, Inc.
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*
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* Licensed under the Mozilla Public License version 1.1
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* with a permitted attribution clause. You may obtain a
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* copy of the License at
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*
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* http://www.alfresco.org/legal/license.txt
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific
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* language governing permissions and limitations under the
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* License.
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*/
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package org.alfresco.filesys.smb.server;
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import java.io.IOException;
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import java.util.Enumeration;
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import org.alfresco.filesys.server.core.ShareType;
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import org.alfresco.filesys.server.core.SharedDevice;
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import org.alfresco.filesys.server.core.SharedDeviceList;
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import org.alfresco.filesys.smb.PacketType;
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import org.alfresco.filesys.smb.SMBStatus;
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import org.alfresco.filesys.smb.TransactBuffer;
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import org.alfresco.filesys.util.DataBuffer;
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import org.apache.commons.logging.Log;
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import org.apache.commons.logging.LogFactory;
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/**
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* IPC$ Transaction handler for \PIPE\LANMAN requests.
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*/
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class PipeLanmanHandler
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{
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private static final Log logger = LogFactory.getLog("org.alfresco.smb.protocol");
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// Server capability flags
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public static final int WorkStation = 0x00000001;
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public static final int Server = 0x00000002;
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public static final int SQLServer = 0x00000004;
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public static final int DomainCtrl = 0x00000008;
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public static final int DomainBakCtrl = 0x00000010;
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public static final int TimeSource = 0x00000020;
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public static final int AFPServer = 0x00000040;
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public static final int NovellServer = 0x00000080;
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public static final int DomainMember = 0x00000100;
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public static final int PrintServer = 0x00000200;
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public static final int DialinServer = 0x00000400;
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public static final int UnixServer = 0x00000800;
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public static final int NTServer = 0x00001000;
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public static final int WfwServer = 0x00002000;
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public static final int MFPNServer = 0x00004000;
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public static final int NTNonDCServer = 0x00008000;
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public static final int PotentialBrowse = 0x00010000;
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public static final int BackupBrowser = 0x00020000;
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public static final int MasterBrowser = 0x00040000;
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public static final int DomainMaster = 0x00080000;
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public static final int OSFServer = 0x00100000;
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public static final int VMSServer = 0x00200000;
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public static final int Win95Plus = 0x00400000;
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public static final int DFSRoot = 0x00800000;
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public static final int NTCluster = 0x01000000;
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public static final int TerminalServer = 0x02000000;
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public static final int DCEServer = 0x10000000;
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public static final int AlternateXport = 0x20000000;
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public static final int LocalListOnly = 0x40000000;
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public static final int DomainEnum = 0x80000000;
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/**
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* Process a \PIPE\LANMAN transaction request.
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*
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* @param tbuf Transaction setup, parameter and data buffers
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* @param sess SMB server session that received the transaction.
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* @param trans Packet to use for reply
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* @return true if the transaction has been handled, else false.
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* @exception java.io.IOException If an I/O error occurs
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* @exception SMBSrvException If an SMB protocol error occurs
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*/
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public final static boolean processRequest(TransactBuffer tbuf, SMBSrvSession sess, SMBSrvPacket trans)
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throws IOException, SMBSrvException
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{
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// Create a transaction packet
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SMBSrvTransPacket tpkt = new SMBSrvTransPacket(trans.getBuffer());
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// Get the transaction command code, parameter descriptor and data descriptor strings from
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// the parameter block.
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DataBuffer paramBuf = tbuf.getParameterBuffer();
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int cmd = paramBuf.getShort();
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String prmDesc = paramBuf.getString(false);
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String dataDesc = paramBuf.getString(false);
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// Debug
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if (logger.isDebugEnabled() && sess.hasDebug(SMBSrvSession.DBG_IPC))
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logger.debug("\\PIPE\\LANMAN\\ transact request, cmd=" + cmd + ", prm=" + prmDesc + ", data=" + dataDesc);
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// Call the required transaction handler
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boolean processed = false;
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switch (cmd)
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{
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// Share
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case PacketType.RAPShareEnum:
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processed = procNetShareEnum(sess, tbuf, prmDesc, dataDesc, tpkt);
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break;
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// Get share information
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case PacketType.RAPShareGetInfo:
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processed = procNetShareGetInfo(sess, tbuf, prmDesc, dataDesc, tpkt);
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break;
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// Workstation information
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case PacketType.RAPWkstaGetInfo:
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processed = procNetWkstaGetInfo(sess, tbuf, prmDesc, dataDesc, tpkt);
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break;
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// Server information
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case PacketType.RAPServerGetInfo:
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processed = procNetServerGetInfo(sess, tbuf, prmDesc, dataDesc, tpkt);
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break;
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// Print queue information
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case PacketType.NetPrintQGetInfo:
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processed = procNetPrintQGetInfo(sess, tbuf, prmDesc, dataDesc, tpkt);
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break;
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// No handler
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default:
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// Debug
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if (logger.isDebugEnabled() && sess.hasDebug(SMBSrvSession.DBG_IPC))
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logger.debug("No handler for \\PIPE\\LANMAN\\ request, cmd=" + cmd + ", prm=" + prmDesc + ", data="
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+ dataDesc);
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break;
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}
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// Return the transaction processed status
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return processed;
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}
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/**
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* Process a NetServerGetInfo transaction request.
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*
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* @param sess Server session that received the request.
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* @param tbuf Transaction buffer
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* @param prmDesc Parameter descriptor string.
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* @param dataDesc Data descriptor string.
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* @param tpkt Transaction reply packet
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* @return true if the transaction has been processed, else false.
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*/
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protected final static boolean procNetServerGetInfo(SMBSrvSession sess, TransactBuffer tbuf, String prmDesc,
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String dataDesc, SMBSrvTransPacket tpkt) throws IOException, SMBSrvException
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{
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// Validate the parameter string
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if (prmDesc.compareTo("WrLh") != 0)
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throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
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// Unpack the server get information specific parameters
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DataBuffer paramBuf = tbuf.getParameterBuffer();
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int infoLevel = paramBuf.getShort();
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int bufSize = paramBuf.getShort();
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// Debug
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if (logger.isDebugEnabled() && sess.hasDebug(SMBSrvSession.DBG_IPC))
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logger.debug("NetServerGetInfo infoLevel=" + infoLevel);
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// Check if the information level requested and data descriptor string match
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if (infoLevel == 1 && dataDesc.compareTo("B16BBDz") == 0)
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{
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// Create the transaction reply data buffer
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TransactBuffer replyBuf = new TransactBuffer(tbuf.isType(), 0, 6, 1024);
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// Pack the parameter block
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paramBuf = replyBuf.getParameterBuffer();
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paramBuf.putShort(0); // status code
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paramBuf.putShort(0); // converter for strings
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paramBuf.putShort(1); // number of entries
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// Pack the data block, calculate the size of the fixed data block
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DataBuffer dataBuf = replyBuf.getDataBuffer();
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int strPos = SMBSrvTransPacket.CalculateDataItemSize("B16BBDz");
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// Pack the server name pointer and string
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dataBuf.putStringPointer(strPos);
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strPos = dataBuf.putFixedStringAt(sess.getServerName(), 16, strPos);
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// Pack the major/minor version
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dataBuf.putByte(1);
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dataBuf.putByte(0);
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// Pack the server capability flags
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dataBuf.putInt(sess.getSMBServer().getServerType());
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// Pack the server comment string
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String srvComment = sess.getSMBServer().getComment();
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if (srvComment == null)
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srvComment = "";
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dataBuf.putStringPointer(strPos);
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strPos = dataBuf.putStringAt(srvComment, strPos, false, true);
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// Set the data block length
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dataBuf.setLength(strPos);
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// Send the transaction response
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tpkt.doTransactionResponse(sess, replyBuf);
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}
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else
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throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
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// We processed the request
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return true;
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}
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/**
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* Process a NetShareEnum transaction request.
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*
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* @param sess Server session that received the request.
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* @param tbuf Transaction buffer
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* @param prmDesc Parameter descriptor string.
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* @param dataDesc Data descriptor string.
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* @param tpkt Transaction reply packet
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* @return true if the transaction has been processed, else false.
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*/
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protected final static boolean procNetShareEnum(SMBSrvSession sess, TransactBuffer tbuf, String prmDesc,
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String dataDesc, SMBSrvTransPacket tpkt) throws IOException, SMBSrvException
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{
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// Validate the parameter string
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||||
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if (prmDesc.compareTo("WrLeh") != 0)
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throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
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// Unpack the server get information specific parameters
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||||
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DataBuffer paramBuf = tbuf.getParameterBuffer();
|
||||
|
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int infoLevel = paramBuf.getShort();
|
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int bufSize = paramBuf.getShort();
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// Debug
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if (logger.isDebugEnabled() && sess.hasDebug(SMBSrvSession.DBG_IPC))
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logger.debug("NetShareEnum infoLevel=" + infoLevel);
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// Check if the information level requested and data descriptor string match
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if (infoLevel == 1 && dataDesc.compareTo("B13BWz") == 0)
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{
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// Get the share list from the server
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SharedDeviceList shrList = sess.getSMBServer().getShareList(null, sess);
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int shrCount = 0;
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int strPos = 0;
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||||
|
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if (shrList != null)
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{
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|
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// Calculate the fixed data length
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||||
|
||||
shrCount = shrList.numberOfShares();
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||||
strPos = SMBSrvTransPacket.CalculateDataItemSize("B13BWz") * shrCount;
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}
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|
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// Create the transaction reply data buffer
|
||||
|
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TransactBuffer replyBuf = new TransactBuffer(tbuf.isType(), 0, 6, bufSize);
|
||||
|
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// Pack the parameter block
|
||||
|
||||
paramBuf = replyBuf.getParameterBuffer();
|
||||
|
||||
paramBuf.putShort(0); // status code
|
||||
paramBuf.putShort(0); // converter for strings
|
||||
paramBuf.putShort(shrCount); // number of entries
|
||||
paramBuf.putShort(shrCount); // total number of entries
|
||||
|
||||
// Pack the data block
|
||||
|
||||
DataBuffer dataBuf = replyBuf.getDataBuffer();
|
||||
Enumeration<SharedDevice> enm = shrList.enumerateShares();
|
||||
|
||||
while (enm.hasMoreElements())
|
||||
{
|
||||
|
||||
// Get the current share
|
||||
|
||||
SharedDevice shrDev = enm.nextElement();
|
||||
|
||||
// Pack the share name, share type and comment pointer
|
||||
|
||||
dataBuf.putFixedString(shrDev.getName(), 13);
|
||||
dataBuf.putByte(0);
|
||||
dataBuf.putShort(ShareType.asShareInfoType(shrDev.getType()));
|
||||
dataBuf.putStringPointer(strPos);
|
||||
|
||||
if (shrDev.getComment() != null)
|
||||
strPos = dataBuf.putStringAt(shrDev.getComment(), strPos, false, true);
|
||||
else
|
||||
strPos = dataBuf.putStringAt("", strPos, false, true);
|
||||
}
|
||||
|
||||
// Set the data block length
|
||||
|
||||
dataBuf.setLength(strPos);
|
||||
|
||||
// Send the transaction response
|
||||
|
||||
tpkt.doTransactionResponse(sess, replyBuf);
|
||||
}
|
||||
else
|
||||
throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
|
||||
|
||||
// We processed the request
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Process a NetShareGetInfo transaction request.
|
||||
*
|
||||
* @param sess Server session that received the request.
|
||||
* @param tbuf Transaction buffer
|
||||
* @param prmDesc Parameter descriptor string.
|
||||
* @param dataDesc Data descriptor string.
|
||||
* @param tpkt Transaction reply packet
|
||||
* @return true if the transaction has been processed, else false.
|
||||
*/
|
||||
protected final static boolean procNetShareGetInfo(SMBSrvSession sess, TransactBuffer tbuf, String prmDesc,
|
||||
String dataDesc, SMBSrvTransPacket tpkt) throws IOException, SMBSrvException
|
||||
{
|
||||
|
||||
// Validate the parameter string
|
||||
|
||||
if (prmDesc.compareTo("zWrLh") != 0)
|
||||
throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
|
||||
|
||||
// Unpack the share get information specific parameters
|
||||
|
||||
DataBuffer paramBuf = tbuf.getParameterBuffer();
|
||||
|
||||
String shareName = paramBuf.getString(32, false);
|
||||
int infoLevel = paramBuf.getShort();
|
||||
int bufSize = paramBuf.getShort();
|
||||
|
||||
// Debug
|
||||
|
||||
if (logger.isDebugEnabled() && sess.hasDebug(SMBSrvSession.DBG_IPC))
|
||||
logger.debug("NetShareGetInfo - " + shareName + ", infoLevel=" + infoLevel);
|
||||
|
||||
// Check if the information level requested and data descriptor string match
|
||||
|
||||
if (infoLevel == 1 && dataDesc.compareTo("B13BWz") == 0)
|
||||
{
|
||||
|
||||
// Find the required share information
|
||||
|
||||
SharedDevice share = null;
|
||||
|
||||
try
|
||||
{
|
||||
|
||||
// Get the shared device details
|
||||
|
||||
share = sess.getSMBServer().findShare(null, shareName, ShareType.UNKNOWN, sess, false);
|
||||
}
|
||||
catch (Exception ex)
|
||||
{
|
||||
}
|
||||
|
||||
if (share == null)
|
||||
{
|
||||
sess.sendErrorResponseSMB(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
|
||||
return true;
|
||||
}
|
||||
|
||||
// Create the transaction reply data buffer
|
||||
|
||||
TransactBuffer replyBuf = new TransactBuffer(tbuf.isType(), 0, 6, 1024);
|
||||
|
||||
// Pack the parameter block
|
||||
|
||||
paramBuf = replyBuf.getParameterBuffer();
|
||||
|
||||
paramBuf.putShort(0); // status code
|
||||
paramBuf.putShort(0); // converter for strings
|
||||
paramBuf.putShort(1); // number of entries
|
||||
|
||||
// Pack the data block, calculate the size of the fixed data block
|
||||
|
||||
DataBuffer dataBuf = replyBuf.getDataBuffer();
|
||||
int strPos = SMBSrvTransPacket.CalculateDataItemSize("B13BWz");
|
||||
|
||||
// Pack the share name
|
||||
|
||||
dataBuf.putStringPointer(strPos);
|
||||
strPos = dataBuf.putFixedStringAt(share.getName(), 13, strPos);
|
||||
|
||||
// Pack unknown byte, alignment ?
|
||||
|
||||
dataBuf.putByte(0);
|
||||
|
||||
// Pack the share type flags
|
||||
|
||||
dataBuf.putShort(share.getType());
|
||||
|
||||
// Pack the share comment
|
||||
|
||||
dataBuf.putStringPointer(strPos);
|
||||
|
||||
if (share.getComment() != null)
|
||||
strPos = dataBuf.putStringAt(share.getComment(), strPos, false, true);
|
||||
else
|
||||
strPos = dataBuf.putStringAt("", strPos, false, true);
|
||||
|
||||
// Set the data block length
|
||||
|
||||
dataBuf.setLength(strPos);
|
||||
|
||||
// Send the transaction response
|
||||
|
||||
tpkt.doTransactionResponse(sess, replyBuf);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
// Debug
|
||||
|
||||
if (logger.isDebugEnabled() && sess.hasDebug(SMBSrvSession.DBG_IPC))
|
||||
logger.debug("NetShareGetInfo - UNSUPPORTED " + shareName + ", infoLevel=" + infoLevel + ", dataDesc="
|
||||
+ dataDesc);
|
||||
|
||||
// Server error
|
||||
|
||||
throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
|
||||
}
|
||||
|
||||
// We processed the request
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Process a NetWkstaGetInfo transaction request.
|
||||
*
|
||||
* @param sess Server session that received the request.
|
||||
* @param tbuf Transaction buffer
|
||||
* @param prmDesc Parameter descriptor string.
|
||||
* @param dataDesc Data descriptor string.
|
||||
* @param tpkt Transaction reply packet
|
||||
* @return true if the transaction has been processed, else false.
|
||||
*/
|
||||
protected final static boolean procNetWkstaGetInfo(SMBSrvSession sess, TransactBuffer tbuf, String prmDesc,
|
||||
String dataDesc, SMBSrvTransPacket tpkt) throws IOException, SMBSrvException
|
||||
{
|
||||
|
||||
// Validate the parameter string
|
||||
|
||||
if (prmDesc.compareTo("WrLh") != 0)
|
||||
throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
|
||||
|
||||
// Unpack the share get information specific parameters
|
||||
|
||||
DataBuffer paramBuf = tbuf.getParameterBuffer();
|
||||
|
||||
int infoLevel = paramBuf.getShort();
|
||||
int bufSize = paramBuf.getShort();
|
||||
|
||||
// Debug
|
||||
|
||||
if (logger.isDebugEnabled() && sess.hasDebug(SMBSrvSession.DBG_IPC))
|
||||
logger.debug("NetWkstaGetInfo infoLevel=" + infoLevel);
|
||||
|
||||
// Check if the information level requested and data descriptor string match
|
||||
|
||||
if ((infoLevel == 1 && dataDesc.compareTo("zzzBBzzz") == 0)
|
||||
|| (infoLevel == 10 && dataDesc.compareTo("zzzBBzz") == 0))
|
||||
{
|
||||
|
||||
// Create the transaction reply data buffer
|
||||
|
||||
TransactBuffer replyBuf = new TransactBuffer(tbuf.isType(), 0, 6, 1024);
|
||||
|
||||
// Pack the data block, calculate the size of the fixed data block
|
||||
|
||||
DataBuffer dataBuf = replyBuf.getDataBuffer();
|
||||
int strPos = SMBSrvTransPacket.CalculateDataItemSize(dataDesc);
|
||||
|
||||
// Pack the server name
|
||||
|
||||
dataBuf.putStringPointer(strPos);
|
||||
strPos = dataBuf.putStringAt(sess.getServerName(), strPos, false, true);
|
||||
|
||||
// Pack the user name
|
||||
|
||||
dataBuf.putStringPointer(strPos);
|
||||
strPos = dataBuf.putStringAt("", strPos, false, true);
|
||||
|
||||
// Pack the domain name
|
||||
|
||||
dataBuf.putStringPointer(strPos);
|
||||
|
||||
String domain = sess.getServer().getConfiguration().getDomainName();
|
||||
if (domain == null)
|
||||
domain = "";
|
||||
strPos = dataBuf.putStringAt(domain, strPos, false, true);
|
||||
|
||||
// Pack the major/minor version number
|
||||
|
||||
dataBuf.putByte(4);
|
||||
dataBuf.putByte(2);
|
||||
|
||||
// Pack the logon domain
|
||||
|
||||
dataBuf.putStringPointer(strPos);
|
||||
strPos = dataBuf.putStringAt("", strPos, false, true);
|
||||
|
||||
// Check if the other domains should be packed
|
||||
|
||||
if (infoLevel == 1 && dataDesc.compareTo("zzzBBzzz") == 0)
|
||||
{
|
||||
|
||||
// Pack the other domains
|
||||
|
||||
dataBuf.putStringPointer(strPos);
|
||||
strPos = dataBuf.putStringAt("", strPos, false, true);
|
||||
}
|
||||
|
||||
// Set the data block length
|
||||
|
||||
dataBuf.setLength(strPos);
|
||||
|
||||
// Pack the parameter block
|
||||
|
||||
paramBuf = replyBuf.getParameterBuffer();
|
||||
|
||||
paramBuf.putShort(0); // status code
|
||||
paramBuf.putShort(0); // converter for strings
|
||||
paramBuf.putShort(dataBuf.getLength());
|
||||
paramBuf.putShort(0); // number of entries
|
||||
|
||||
// Send the transaction response
|
||||
|
||||
tpkt.doTransactionResponse(sess, replyBuf);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
||||
// Debug
|
||||
|
||||
if (logger.isDebugEnabled() && sess.hasDebug(SMBSrvSession.DBG_IPC))
|
||||
logger.debug("NetWkstaGetInfo UNSUPPORTED infoLevel=" + infoLevel + ", dataDesc=" + dataDesc);
|
||||
|
||||
// Unsupported request
|
||||
|
||||
throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
|
||||
}
|
||||
|
||||
// We processed the request
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/**
|
||||
* Process a NetPrintQGetInfo transaction request.
|
||||
*
|
||||
* @param sess Server session that received the request.
|
||||
* @param tbuf Transaction buffer
|
||||
* @param prmDesc Parameter descriptor string.
|
||||
* @param dataDesc Data descriptor string.
|
||||
* @param tpkt Transaction reply packet
|
||||
* @return true if the transaction has been processed, else false.
|
||||
*/
|
||||
protected final static boolean procNetPrintQGetInfo(SMBSrvSession sess, TransactBuffer tbuf, String prmDesc,
|
||||
String dataDesc, SMBSrvTransPacket tpkt) throws IOException, SMBSrvException
|
||||
{
|
||||
|
||||
// Validate the parameter string
|
||||
|
||||
if (prmDesc.compareTo("zWrLh") != 0)
|
||||
throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
|
||||
|
||||
// Unpack the share get information specific parameters
|
||||
|
||||
DataBuffer paramBuf = tbuf.getParameterBuffer();
|
||||
|
||||
String shareName = paramBuf.getString(32, false);
|
||||
int infoLevel = paramBuf.getShort();
|
||||
int bufSize = paramBuf.getShort();
|
||||
|
||||
// Debug
|
||||
|
||||
if (logger.isDebugEnabled() && sess.hasDebug(SMBSrvSession.DBG_IPC))
|
||||
logger.debug("NetPrintQGetInfo - " + shareName + ", infoLevel=" + infoLevel);
|
||||
|
||||
// We did not process the request
|
||||
|
||||
return false;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user