/**
* Construct MCS data, including channel, encryption and display options
*
* @return Packet populated with MCS data
*/
public RdpPacket_Localised sendMcsData() {
logger.debug("Secure.sendMcsData");
RdpPacket_Localised buffer = new RdpPacket_Localised(512);
int hostlen = 2 * (Options.hostname == null ? 0 : Options.hostname.length());
if (hostlen > 30) {
hostlen = 30;
}
int length = 162 + 76 + 12 + 4;
if (Options.use_rdp5 && (channels.num_channels() > 0))
length += channels.num_channels() * 12 + 8;
buffer.setBigEndian16(5); /* unknown */
buffer.setBigEndian16(0x14);
buffer.set8(0x7c);
buffer.setBigEndian16(1);
buffer.setBigEndian16(length | 0x8000); // remaining length
buffer.setBigEndian16(8); // length?
buffer.setBigEndian16(16);
buffer.set8(0);
buffer.setLittleEndian16(0xc001);
buffer.set8(0);
buffer.setLittleEndian32(0x61637544); // "Duca" ?!
buffer.setBigEndian16(length - 14 | 0x8000); // remaining length
// Client information
buffer.setLittleEndian16(SEC_TAG_CLI_INFO);
buffer.setLittleEndian16(216); // length
buffer.setLittleEndian16(Options.use_rdp5 ? 4 : 1);
buffer.setLittleEndian16(8);
buffer.setLittleEndian16(Options.width);
buffer.setLittleEndian16(Options.height);
buffer.setLittleEndian16(0xca01);
buffer.setLittleEndian16(0xaa03);
buffer.setLittleEndian32(Options.keylayout);
buffer.setLittleEndian32(2600); // or 0ece
// // client
// build? we
// are 2600
// compatible
// :-)
/* Unicode name of client, padded to 32 bytes */
buffer.outUnicodeString(Options.hostname, hostlen);
buffer.incrementPosition(30 - hostlen);
buffer.setLittleEndian32(4);
buffer.setLittleEndian32(0);
buffer.setLittleEndian32(12);
buffer.incrementPosition(64); /* reserved? 4 + 12 doublewords */
buffer.setLittleEndian16(0xca01); // out_uint16_le(s, 0xca01);
buffer.setLittleEndian16(1);
buffer.setLittleEndian32(0); // out_uint32(s, 0);
buffer.set8(Options.server_bpp); // out_uint8(s, g_server_bpp);
buffer.setLittleEndian16(0x0700); // out_uint16_le(s, 0x0700);
buffer.set8(0); // out_uint8(s, 0);
buffer.setLittleEndian32(1); // out_uint32_le(s, 1);
buffer.incrementPosition(64);
buffer.setLittleEndian32(0); // selected_protocol /* End of client info */
buffer.setLittleEndian16(SEC_TAG_CLI_4); // out_uint16_le(s, SEC_TAG_CLI_4);
buffer.setLittleEndian16(12); // out_uint16_le(s, 12);
int cluster_flags = 0;
cluster_flags |= SEC_CC_REDIRECTION_SUPPORTED;
cluster_flags |= (SEC_CC_REDIRECT_VERSION_3 << 2);
if (Options.console_session) {
cluster_flags |= SEC_CC_REDIRECT_SESSIONID_FIELD_VALID;
}
buffer.setLittleEndian32(cluster_flags); // out_uint32_le(s,
buffer.setLittleEndian32(0); // redirect session id?
// Client encryption settings //
buffer.setLittleEndian16(SEC_TAG_CLI_CRYPT);
buffer.setLittleEndian16(12); // length
buffer.setLittleEndian32(Options.encryption ? 0x3 : 0);
buffer.setLittleEndian32(0); // unknown
if (Options.use_rdp5 && (channels.num_channels() > 0)) {
logger.debug(("num_channels is " + channels.num_channels()));
buffer.setLittleEndian16(SEC_TAG_CLI_CHANNELS); // out_uint16_le(s,
// SEC_TAG_CLI_CHANNELS);
buffer.setLittleEndian16(channels.num_channels() * 12 + 8); // out_uint16_le(s,
buffer.setLittleEndian32(channels.num_channels()); // out_uint32_le(s,
// g_num_channels);
// // number of
// virtual
// channels
for (int i = 0; i < channels.num_channels(); i++) {
logger.debug(("Requesting channel " + channels.channel(i).name()));
buffer.out_uint8p(channels.channel(i).name(), 8); // out_uint8a(s,
// g_channels[i].name,
// 8);
buffer.setBigEndian32(channels.channel(i).flags()); // out_uint32_be(s,
// g_channels[i].flags);
}
}
buffer.markEnd();
return buffer;
}
