diff options
Diffstat (limited to 'libjava/classpath/gnu/javax/net/ssl/provider/ServerHello.java')
| -rw-r--r-- | libjava/classpath/gnu/javax/net/ssl/provider/ServerHello.java | 216 |
1 files changed, 216 insertions, 0 deletions
diff --git a/libjava/classpath/gnu/javax/net/ssl/provider/ServerHello.java b/libjava/classpath/gnu/javax/net/ssl/provider/ServerHello.java new file mode 100644 index 00000000000..8b7853c7f40 --- /dev/null +++ b/libjava/classpath/gnu/javax/net/ssl/provider/ServerHello.java @@ -0,0 +1,216 @@ +/* ServerHello.java -- SSL ServerHello message. + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is a part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or (at +your option) any later version. + +GNU Classpath 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 +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; if not, write to the Free Software +Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 +USA + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.javax.net.ssl.provider; + +import java.io.BufferedReader; +import java.io.ByteArrayOutputStream; +import java.io.InputStream; +import java.io.IOException; +import java.io.OutputStream; +import java.io.PrintWriter; +import java.io.StringReader; +import java.io.StringWriter; + +import java.util.ArrayList; +import java.util.Iterator; +import java.util.LinkedList; +import java.util.List; + +import javax.net.ssl.SSLProtocolException; + +class ServerHello implements Handshake.Body +{ + + // Fields. + // ------------------------------------------------------------------------- + + private final ProtocolVersion version; + private final Random random; + private final byte[] sessionId; + private final CipherSuite suite; + private final CompressionMethod comp; + private final List extensions; + + // Constructor. + // ------------------------------------------------------------------------- + + ServerHello(ProtocolVersion version, Random random, + byte[] sessionId, CipherSuite suite, + CompressionMethod comp) + { + this(version, random, sessionId, suite, comp, null); + } + + ServerHello(ProtocolVersion version, Random random, + byte[] sessionId, CipherSuite suite, + CompressionMethod comp, List extensions) + { + this.version = version; + this.random = random; + this.sessionId = sessionId; + this.suite = suite; + this.comp = comp; + this.extensions = extensions; + } + + // Class methods. + // ------------------------------------------------------------------------- + + static ServerHello read(InputStream in) throws IOException + { + ProtocolVersion vers = ProtocolVersion.read(in); + Random rand = Random.read(in); + byte[] id = new byte[in.read() & 0xFF]; + in.read(id); + CipherSuite suite = CipherSuite.read(in).resolve(vers); + CompressionMethod comp = CompressionMethod.read(in); + List ext = null; + if (in.available() > 0) + { + ext = new LinkedList(); + int len = (in.read() >>> 8 & 0xFF) | (in.read() & 0xFF); + int count = 0; + while (count < len) + { + Extension e = Extension.read(in); + ext.add(e); + count += e.getValue().length + 4; + } + } + return new ServerHello(vers, rand, id, suite, comp, ext); + } + + // Instance methods. + // ------------------------------------------------------------------------- + + public void write(OutputStream out) throws IOException + { + version.write(out); + random.write(out); + out.write(sessionId.length); + out.write(sessionId); + suite.write(out); + out.write(comp.getValue()); + if (extensions != null) + { + ByteArrayOutputStream out2 = new ByteArrayOutputStream(); + for (Iterator i = extensions.iterator(); i.hasNext(); ) + ((Extension) i.next()).write(out2); + out.write(out2.size() >>> 8 & 0xFF); + out.write(out2.size() & 0xFF); + out2.writeTo(out); + } + } + + ProtocolVersion getVersion() + { + return version; + } + + Random getRandom() + { + return random; + } + + byte[] getSessionId() + { + return (byte[]) sessionId.clone(); + } + + CipherSuite getCipherSuite() + { + return suite; + } + + CompressionMethod getCompressionMethod() + { + return comp; + } + + List getExtensions() + { + return extensions; + } + + public String toString() + { + StringWriter str = new StringWriter(); + PrintWriter out = new PrintWriter(str); + out.println("struct {"); + out.println(" version = " + version + ";"); + BufferedReader r = new BufferedReader(new StringReader(random.toString())); + String s; + try + { + while ((s = r.readLine()) != null) + { + out.print(" "); + out.println(s); + } + } + catch (IOException ignored) + { + } + out.println(" sessionId = " + Util.toHexString(sessionId, ':') + ";"); + out.println(" cipherSuite = " + suite + ";"); + out.println(" compressionMethod = " + comp + ";"); + if (extensions != null) + { + out.println(" extensions = {"); + for (Iterator i = extensions.iterator(); i.hasNext(); ) + { + r = new BufferedReader(new StringReader(i.next().toString())); + try + { + while ((s = r.readLine()) != null) + { + out.print(" "); + out.println(s); + } + } + catch (IOException ignored) + { + } + } + out.println(" };"); + } + out.println("} ServerHello;"); + return str.toString(); + } +} |