/**
* 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 static final 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 (Debug.EnableInfo && sess.hasDebug(SMBSrvSession.DBG_IPC))
sess.debugPrintln("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(tpkt, 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 (Debug.EnableInfo && sess.hasDebug(SMBSrvSession.DBG_IPC))
sess.debugPrintln(
"NetShareGetInfo - UNSUPPORTED "
+ shareName
+ ", infoLevel="
+ infoLevel
+ ", dataDesc="
+ dataDesc);
// Server error
throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
}
// We processed the request
return true;
}
/**
* Process a NetShareEnum 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 static final boolean procNetShareEnum(
SMBSrvSession sess,
TransactBuffer tbuf,
String prmDesc,
String dataDesc,
SMBSrvTransPacket tpkt)
throws IOException, SMBSrvException {
// Validate the parameter string
if (prmDesc.compareTo("WrLeh") != 0)
throw new SMBSrvException(SMBStatus.SRVInternalServerError, SMBStatus.ErrSrv);
// Unpack the server get information specific parameters
DataBuffer paramBuf = tbuf.getParameterBuffer();
int infoLevel = paramBuf.getShort();
int bufSize = paramBuf.getShort();
// Debug
if (Debug.EnableInfo && sess.hasDebug(SMBSrvSession.DBG_IPC))
sess.debugPrintln("NetShareEnum infoLevel=" + infoLevel);
// Check if the information level requested and data descriptor string match
if (infoLevel == 1 && dataDesc.compareTo("B13BWz") == 0) {
// Get the share list from the server
SharedDeviceList shrList = sess.getSMBServer().getShareList(null, sess);
int shrCount = 0;
int strPos = 0;
if (shrList != null) {
// Calculate the fixed data length
shrCount = shrList.numberOfShares();
strPos = SMBSrvTransPacket.CalculateDataItemSize("B13BWz") * shrCount;
}
// Create the transaction reply data buffer
TransactBuffer replyBuf = new TransactBuffer(tbuf.isType(), 0, 6, bufSize);
// 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;
}
