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jTDS JDBC Driver Source Code Files
jTDS JDBC Driver Source Code Files are provided in the source package file, jtds-1.3.1-fyi.zip.
You can browse jTDS JDBC Driver Source Code files below:
✍: FYIcenter.com
⏎ net/sourceforge/jtds/ssl/TdsTlsInputStream.java
//jTDS JDBC Driver for Microsoft SQL Server and Sybase //Copyright (C) 2004 The jTDS Project // //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 net.sourceforge.jtds.ssl; import java.io.ByteArrayInputStream; import java.io.FilterInputStream; import java.io.IOException; import java.io.InputStream; import net.sourceforge.jtds.jdbc.TdsCore; /** * An input stream that filters out TDS headers so they are not returned to * JSSE (which will not recognize them). * * @author Rob Worsnop * @author Mike Hutchinson * @version $Id: TdsTlsInputStream.java,v 1.5 2005-10-20 09:46:38 alin_sinpalean Exp $ */ class TdsTlsInputStream extends FilterInputStream { int bytesOutstanding; /** * Temporary buffer used to de-encapsulate inital TLS packets. * Initial size should be enough for login phase after which no * buffering is required. */ final byte[] readBuffer = new byte[6144]; InputStream bufferStream; /** False if TLS packets are encapsulated in TDS packets. */ boolean pureSSL; /** * Constructs a TdsTlsInputStream and bases it on an underlying stream. * * @param in the underlying stream */ public TdsTlsInputStream(InputStream in) { super(in); } /* * (non-Javadoc) * * @see java.io.InputStream#read(byte[], int, int) */ public int read(byte[] b, int off, int len) throws IOException { // // If we have read past the TDS encapsulated TLS records // Just read directly from the input stream. // if (pureSSL && bufferStream == null) { return in.read(b, off, len); } // If this is the start of a new TLS record or // TDS packet we need to read in entire record/packet. if (!pureSSL && bufferStream == null) { primeBuffer(); } // Feed the client code bytes from the buffer int ret = bufferStream.read(b, off, len); bytesOutstanding -= ret < 0 ? 0 : ret; if (bytesOutstanding == 0) { // All bytes in the buffer have been read. // The next read will prime it again. bufferStream = null; } return ret; } /** * Read in entire TLS record or TDS packet and store the TLS record in the * buffer. (TDS packets will always contain a TLS record.) */ private void primeBuffer() throws IOException { // first read the type (first byte for TDS and TLS). // TLS packet hdr size = 5 TDS = 8 readFully(readBuffer, 0, Ssl.TLS_HEADER_SIZE); int len; if (readBuffer[0] == TdsCore.REPLY_PKT || readBuffer[0] == TdsCore.PRELOGIN_PKT) { len = ((readBuffer[2] & 0xFF) << 8) | (readBuffer[3] & 0xFF); // Read rest of header to skip readFully(readBuffer, Ssl.TLS_HEADER_SIZE, TdsCore.PKT_HDR_LEN - Ssl.TLS_HEADER_SIZE ); len -= TdsCore.PKT_HDR_LEN; readFully(readBuffer, 0, len); // Now get inner packet } else { len = ((readBuffer[3] & 0xFF) << 8) | (readBuffer[4] & 0xFF); readFully(readBuffer, Ssl.TLS_HEADER_SIZE, len - Ssl.TLS_HEADER_SIZE); pureSSL = true; } bufferStream = new ByteArrayInputStream(readBuffer, 0, len); bytesOutstanding = len; } /** * Reads <code>len</code> bytes or throws an <code>IOException</code> if * there aren't that many bytes available. * * @param b buffer to read into * @param off offset in the buffer where to start storing * @param len amount of data to read * @throws IOException if an I/O error occurs or not enough data is * available */ private void readFully(byte[] b, int off, int len) throws IOException { int res = 0; while (len > 0 && (res = in.read(b, off, len)) >= 0) { off += res; len -= res; } if (res < 0) { throw new IOException(); } } }
⏎ net/sourceforge/jtds/ssl/TdsTlsInputStream.java
Or download all of them as a single archive file:
File name: jtds-1.3.1-fyi.zip File size: 323160 bytes Release date: 2013-06-08 Download
⇐ What Is jtds-1.3.1-dist.zip?
2016-11-26, 7814👍, 0💬
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