diff options
Diffstat (limited to 'sshlib/src/main/java/com/trilead/ssh2/packets/PacketOpenSessionChannel.java')
-rw-r--r-- | sshlib/src/main/java/com/trilead/ssh2/packets/PacketOpenSessionChannel.java | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/sshlib/src/main/java/com/trilead/ssh2/packets/PacketOpenSessionChannel.java b/sshlib/src/main/java/com/trilead/ssh2/packets/PacketOpenSessionChannel.java new file mode 100644 index 0000000..a75ea63 --- /dev/null +++ b/sshlib/src/main/java/com/trilead/ssh2/packets/PacketOpenSessionChannel.java @@ -0,0 +1,62 @@ +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; + } +} |