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- package de.tudarmstadt.informatik.hostage.protocol;
- import java.security.SecureRandom;
- import java.util.ArrayList;
- import java.util.List;
- import de.tudarmstadt.informatik.hostage.Hostage;
- import de.tudarmstadt.informatik.hostage.R;
- import de.tudarmstadt.informatik.hostage.protocol.SMBUtils.NBNS;
- import de.tudarmstadt.informatik.hostage.protocol.SMBUtils.NMB;
- import de.tudarmstadt.informatik.hostage.protocol.SMBUtils.SMBPacket;
- import de.tudarmstadt.informatik.hostage.wrapper.Packet;
- /**
- * SMB protocol. It can handle the following requests: Negotiate Protocol
- * Request, Session Setup AndX Request, Tree Connect AndX Request, NT Create
- * AndX Request, Bind, NetShareEnumAll, Close Request, Tree Disconnect Request,
- * Echo Request, Trans2 Request.
- *
- * @author Wulf Pfeiffer
- */
- public class SMB implements Protocol {
- // message constants
- private static final byte SMB_COM_CLOSE = 0x04;
- private static final byte SMB_COM_TRANSACTION = 0x25;
- private static final byte SMB_COM_ECHO = 0x2B;
- private static final byte SMB_COM_TRANSACTION2 = 0x32;
- private static final byte SMB_COM_TREE_DISCONNECT = 0x71;
- private static final byte SMB_COM_NEGOTIATE = 0x72;
- private static final byte SMB_COM_SESSION_SETUP_ANDX = 0x73;
- private static final byte SMB_COM_TREE_CONNECT_ANDX = 0x75;
- private static final byte SMB_COM_NT_CREATE_ANDX = (byte) 0xA2;
-
- /**
- * Denotes in which state the protocol is right now
- */
- private STATE state = STATE.NONE;
- private byte[] lastMessage;
- // version stuff
- private String[][] possibleSmbVersions = {
- { "Windows 7 Professional 7600", "Windows 7 Professional 6.1" },
- { "Windows 8 Enterprise 9200", "Windows 8 Enterprise 9200" },
- { "Windows Server 2008 R2 Enterprise 7600", "Windows Server 2008 R2 Enterprise 6.1" },
- { "Windows Server 2012 Standard 6.2", "Windows Server 2012 Standard 6.2" },
- { "Unix", "Samba" },
- { "Windows 2002 Service Pack 2", "Windows 2002 5.1" }
- };
-
- /**
- * Represents the states of the protocol
- */
- private static enum STATE {
- NONE, CONNECTED, AUTHENTICATED, LISTING, DISCONNECTED, CLOSED
- }
-
- public void setIP(String ip) {
- // new NMB(ip).start();
- }
- private String[] initServerVersion() {
- System.out.println("hi");
- String sharedPreferencePath = Hostage.getContext().getString(
- R.string.shared_preference_path);
- System.out.println(sharedPreferencePath);
- String profile = Hostage
- .getContext()
- .getSharedPreferences(sharedPreferencePath,
- Hostage.MODE_PRIVATE).getString("os", "");
- System.out.println(profile);
- if (profile.equals("Windows 7")) {
- return possibleSmbVersions[0];
- } else if (profile.equals("Windows 8")) {
- return possibleSmbVersions[1];
- } else if (profile.equals("Windows Server 2008")) {
- return possibleSmbVersions[2];
- } else if (profile.equals("Windows Server 2012")) {
- return possibleSmbVersions[3];
- } else if (profile.equals("Linux")) {
- return possibleSmbVersions[4];
- } else if (profile.equals("Windows XP")) {
- return possibleSmbVersions[5];
- } else {
- return possibleSmbVersions[new SecureRandom().nextInt(possibleSmbVersions.length)];
- }
- }
-
- //required to be declared down here, do not change position over initServerVersion() and possibleServerVersions!!
- private String[] serverVersion = initServerVersion();
- private SMBPacket smbPacket = new SMBPacket(serverVersion);
- @Override
- public int getPort() {
- return 445;
- }
- @Override
- public boolean isClosed() {
- return (state == STATE.CLOSED);
- }
- @Override
- public boolean isSecure() {
- return false;
- }
- @Override
- public List<Packet> processMessage(Packet requestPacket) {
- if (requestPacket != null)
- lastMessage = requestPacket.getBytes();
- smbPacket.prepareNextResponse(lastMessage);
- byte smbCommand = smbPacket.getSmbCommand();
- byte[] response;
- List<Packet> responsePackets = new ArrayList<Packet>();
- switch (state) {
- case NONE:
- if (smbCommand == SMB_COM_NEGOTIATE) {
- state = STATE.CONNECTED;
- response = smbPacket.getNego();
- } else {
- state = STATE.DISCONNECTED;
- response = smbPacket.getTreeDisc();
- }
- break;
- case CONNECTED:
- if (smbCommand == SMB_COM_SESSION_SETUP_ANDX) {
- response = smbPacket.getSessSetup();
- } else if (smbCommand == SMB_COM_TREE_CONNECT_ANDX) {
- state = STATE.AUTHENTICATED;
- response = smbPacket.getTreeCon();
- } else {
- state = STATE.DISCONNECTED;
- response = smbPacket.getTreeDisc();
- }
- break;
- case AUTHENTICATED:
- if (smbCommand == SMB_COM_NT_CREATE_ANDX) {
- state = STATE.LISTING;
- response = smbPacket.getNTCreate();
- } else if (smbCommand == SMB_COM_ECHO) {
- response = smbPacket.getEcho();
- } else if (smbCommand == SMB_COM_TRANSACTION2) {
- response = smbPacket.getTrans2();
- } else if (smbCommand == SMB_COM_CLOSE) {
- response = smbPacket.getClose();
- } else if (smbCommand == SMB_COM_TREE_DISCONNECT) {
- state = STATE.CLOSED;
- response = smbPacket.getTreeDisc();
- } else {
- state = STATE.DISCONNECTED;
- response = smbPacket.getTreeDisc();
- }
- break;
- case LISTING:
- if (smbCommand == SMB_COM_TRANSACTION) {
- response = smbPacket.getTrans();
- } else if (smbCommand == SMB_COM_CLOSE) {
- response = smbPacket.getClose();
- } else if (smbCommand == SMB_COM_TREE_DISCONNECT) {
- state = STATE.CLOSED;
- response = smbPacket.getTreeDisc();
- } else if (smbCommand == SMB_COM_NEGOTIATE) {
- state = STATE.CONNECTED;
- response = smbPacket.getNego();
- } else {
- state = STATE.DISCONNECTED;
- response = smbPacket.getTreeDisc();
- }
- break;
- case DISCONNECTED:
- state = STATE.CLOSED;
- response = smbPacket.getTreeDisc();
- break;
- default:
- state = STATE.CLOSED;
- response = smbPacket.getTreeDisc();
- }
- responsePackets.add(new Packet(response, toString()));
- return responsePackets;
- }
- @Override
- public String toString() {
- return "SMB";
- }
- @Override
- public TALK_FIRST whoTalksFirst() {
- return TALK_FIRST.CLIENT;
- }
- }
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