Examples with ByteBuffer streamer.ByteBuffer used on opensource projects

Example 46 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ServerNtlmsspChallenge method readStringByDescription.

/**
     * Read NTLM wide string, by it description. Buffer offset must point to
     * beginning of NTLM message signature.
     *
     * @param buf
     *          buffer with cursor pointing to description
     * @return
     */
public static String readStringByDescription(ByteBuffer buf) {
    ByteBuffer block = readBlockByDescription(buf);
    String value = block.readString(block.length, RdpConstants.CHARSET_16);
    block.unref();
    return value;
}

Example 47 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ServerNtlmsspChallenge method parseAttribute.

public void parseAttribute(ByteBuffer buf, int type, int length) {
    switch(type) {
        case MSV_AV_NETBIOS_DOMAIN_NAME:
            ntlmState.serverNetbiosDomainName = buf.readString(length, RdpConstants.CHARSET_16);
            break;
        case MSV_AV_NETBIOS_COMPUTER_NAME:
            ntlmState.serverNetbiosComputerName = buf.readString(length, RdpConstants.CHARSET_16);
            break;
        case MSV_AV_DNS_DOMAIN_NAME:
            ntlmState.serverDnsDomainName = buf.readString(length, RdpConstants.CHARSET_16);
            break;
        case MSV_AV_DNS_COMPUTER_NAME:
            ntlmState.serverDnsComputerName = buf.readString(length, RdpConstants.CHARSET_16);
            break;
        case MSV_AV_DNS_TREE_NAME:
            ntlmState.serverDnsTreeName = buf.readString(length, RdpConstants.CHARSET_16);
            break;
        case MSV_AV_TIMESTAMP:
            ByteBuffer tmp = buf.readBytes(length);
            ntlmState.serverTimestamp = tmp.toByteArray();
            //*DEBUG*/System.out.println("Server timestamp: "+tmp.toPlainHexString());
            tmp.unref();
            break;
        default:
    }
}

Example 48 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ServerNtlmsspChallenge method parseNtlmChallenge.

public void parseNtlmChallenge(ByteBuffer buf) {
    // Signature: "NTLMSSP\0"
    String signature = buf.readVariableString(RdpConstants.CHARSET_8);
    if (!ConstantTimeComparator.compareStrings(signature, NTLMSSP))
        throw new RuntimeException("Unexpected NTLM message singature: \"" + signature + "\". Expected signature: \"" + NTLMSSP + "\". Data: " + buf + ".");
    // MessageType (CHALLENGE)
    int messageType = buf.readSignedIntLE();
    if (messageType != NtlmConstants.CHALLENGE)
        throw new RuntimeException("Unexpected NTLM message type: " + messageType + ". Expected type: CHALLENGE (" + NtlmConstants.CHALLENGE + "). Data: " + buf + ".");
    // TargetName
    ntlmState.serverTargetName = readStringByDescription(buf);
    // NegotiateFlags
    ntlmState.negotiatedFlags = new NegoFlags(buf.readSignedIntLE());
    if (verbose)
        System.out.println("[" + this + "] INFO: Server negotiate flags: " + ntlmState.negotiatedFlags + ".");
    // ServerChallenge
    ByteBuffer challenge = buf.readBytes(8);
    ntlmState.serverChallenge = challenge.toByteArray();
    if (verbose)
        System.out.println("[" + this + "] INFO: Server challenge: " + challenge + ".");
    challenge.unref();
    // Reserved/context
    buf.skipBytes(8);
    // TargetInfo
    ByteBuffer targetInfo = readBlockByDescription(buf);
    // Store raw target info block for Type3 message
    ntlmState.serverTargetInfo = targetInfo.toByteArray();
    // Parse target info block
    parseTargetInfo(targetInfo);
    targetInfo.unref();
    // OS Version, NTLM revision, 8 bytes, Optional. Ignore it.
    // Ignore rest of buffer with allocated blocks
    buf.unref();
}

Example 49 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class ServerNtlmsspChallenge method parseTargetInfo.

public void parseTargetInfo(ByteBuffer buf) {
    while (buf.remainderLength() > 0) {
        int type = buf.readUnsignedShortLE();
        int length = buf.readUnsignedShortLE();
        if (type == MSV_AV_EOL)
            // End of list
            break;
        ByteBuffer data = buf.readBytes(length);
        parseAttribute(data, type, length);
        data.unref();
    }
}

Example 50 with ByteBuffer

use of streamer.ByteBuffer in project cloudstack by apache.

the class NtlmState method testNTOWFv2W.

public void testNTOWFv2W() {
    byte[] expected = new byte[] { (byte) 0x5f, (byte) 0xcc, (byte) 0x4c, (byte) 0x48, (byte) 0x74, (byte) 0x6b, (byte) 0x94, (byte) 0xce, (byte) 0xb7, (byte) 0xae, (byte) 0xf1, (byte) 0x0d, (byte) 0xc9, (byte) 0x11, (byte) 0x22, (byte) 0x8f };
    byte[] actual = NTOWFv2W("R2Preview!", "Administrator", "workgroup");
    if (!Arrays.equals(expected, actual))
        throw new RuntimeException("Incorrect result.\nExpected:\n" + new ByteBuffer(expected).toPlainHexString() + "\n  actual:\n" + new ByteBuffer(actual).toPlainHexString() + ".");
}