diff src/com/trilead/ssh2/packets/PacketOpenSessionChannel.java @ 0:0ce5cc452d02

initial version
author Carl Byington <carl@five-ten-sg.com>
date Thu, 22 May 2014 10:41:19 -0700
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/trilead/ssh2/packets/PacketOpenSessionChannel.java	Thu May 22 10:41:19 2014 -0700
@@ -0,0 +1,56 @@
+package com.trilead.ssh2.packets;
+
+import java.io.IOException;
+
+/**
+ * PacketOpenSessionChannel.
+ *
+ * @author Christian Plattner, plattner@trilead.com
+ * @version $Id: PacketOpenSessionChannel.java,v 1.1 2007/10/15 12:49:55 cplattne Exp $
+ */
+public class PacketOpenSessionChannel {
+    byte[] payload;
+
+    int channelID;
+    int initialWindowSize;
+    int maxPacketSize;
+
+    public PacketOpenSessionChannel(int channelID, int initialWindowSize,
+                                    int maxPacketSize) {
+        this.channelID = channelID;
+        this.initialWindowSize = initialWindowSize;
+        this.maxPacketSize = maxPacketSize;
+    }
+
+    public PacketOpenSessionChannel(byte payload[], int off, int len) throws IOException {
+        this.payload = new byte[len];
+        System.arraycopy(payload, off, this.payload, 0, len);
+        TypesReader tr = new TypesReader(payload);
+        int packet_type = tr.readByte();
+
+        if (packet_type != Packets.SSH_MSG_CHANNEL_OPEN)
+            throw new IOException("This is not a SSH_MSG_CHANNEL_OPEN! ("
+                                  + packet_type + ")");
+
+        channelID = tr.readUINT32();
+        initialWindowSize = tr.readUINT32();
+        maxPacketSize = tr.readUINT32();
+
+        if (tr.remain() != 0)
+            throw new IOException("Padding in SSH_MSG_CHANNEL_OPEN packet!");
+    }
+
+    public byte[] getPayload() {
+        if (payload == null) {
+            TypesWriter tw = new TypesWriter();
+            tw.writeByte(Packets.SSH_MSG_CHANNEL_OPEN);
+            tw.writeString("session");
+            tw.writeUINT32(channelID);
+            tw.writeUINT32(initialWindowSize);
+            tw.writeUINT32(maxPacketSize);
+            payload = tw.getBytes();
+        }
+
+        return payload;
+    }
+}