diff options
Diffstat (limited to 'verigraph/service/src/mcnet')
27 files changed, 0 insertions, 3329 deletions
diff --git a/verigraph/service/src/mcnet/components/Checker.java b/verigraph/service/src/mcnet/components/Checker.java deleted file mode 100644 index 3c13d28..0000000 --- a/verigraph/service/src/mcnet/components/Checker.java +++ /dev/null @@ -1,363 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.components; - - -import java.util.ArrayList; -import java.util.Arrays; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.Expr; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Model; -import com.microsoft.z3.Solver; -import com.microsoft.z3.Status; - -/**Various checks for specific properties in the network. - * - */ -public class Checker { - - Context ctx; - Network net; - NetContext nctx; - Solver solver; - ArrayList<BoolExpr> constraints; - public BoolExpr [] assertions; - public Status result; - public Model model; - - - public Checker(Context context,NetContext nctx,Network network){ - this.ctx = context; - this.net = network; - this.nctx = nctx; - this.solver = ctx.mkSolver(); - this.constraints = new ArrayList<BoolExpr>(); - } - - /**Resets the constraints - * - */ - public void clearState (){ - this.solver.reset(); - this.constraints = new ArrayList<BoolExpr>(); - } - - /**Checks whether the source provided can reach the destination - * - * @param src - * @param dest - * @return - */ - public IsolationResult checkIsolationProperty (NetworkObject src, NetworkObject dest){ - assert(net.elements.contains(src)); - assert(net.elements.contains(dest)); - solver.push (); - addConstraints(); - - Expr p0 = ctx.mkConst("check_isolation_p0_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.packet); - Expr p1 = ctx.mkConst("check_isolation_p1_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.packet); - Expr n_0 =ctx.mkConst("check_isolation_n_0_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - Expr n_1 =ctx.mkConst("check_isolation_n_1_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - IntExpr t_0 = ctx.mkIntConst("check_isolation_t0_"+src.getZ3Node()+"_"+dest.getZ3Node()); - IntExpr t_1 = ctx.mkIntConst("check_isolation_t1_"+src.getZ3Node()+"_"+dest.getZ3Node()); - - // Constraint1 recv(n_0,destNode,p0,t_0) - this.solver.add((BoolExpr)nctx.recv.apply(n_0, dest.getZ3Node(), p0, t_0)); - - // Constraint2 send(srcNode,n_1,p1,t_1) - this.solver.add((BoolExpr)nctx.send.apply(src.getZ3Node(), n_1, p1, t_1)); - - // Constraint3 nodeHasAddr(srcNode,p1.srcAddr) - this.solver.add((BoolExpr)nctx.nodeHasAddr.apply(src.getZ3Node(), nctx.pf.get("src").apply(p1))); - - // Constraint4 p1.origin == srcNode - this.solver.add(ctx.mkEq(nctx.pf.get("origin").apply(p1), src.getZ3Node())); - - // Constraint5 nodeHasAddr(destNode,p1.destAddr) - this.solver.add((BoolExpr)nctx.nodeHasAddr.apply(dest.getZ3Node(), nctx.pf.get("dest").apply(p1))); - - //NON sembrano necessari - // this.solver.add(z3.Or(this.ctx.nodeHasAddr(src.getZ3Node(), this.ctx.packet.src(p0)),\ - // this.ctx.nodeHasAddr(n_0, this.ctx.packet.src(p0)),\ - // this.ctx.nodeHasAddr(n_1, this.ctx.packet.src(p0)))) - //this.solver.add(this.ctx.packet.dest(p1) == this.ctx.packet.dest(p0)) - - // Constraint6 p1.origin == p0.origin - this.solver.add(ctx.mkEq(nctx.pf.get("origin").apply(p1),nctx.pf.get("origin").apply(p0))); - - // Constraint7 nodeHasAddr(destNode, p0.destAddr) - this.solver.add((BoolExpr)nctx.nodeHasAddr.apply(dest.getZ3Node(), nctx.pf.get("dest").apply(p0))); - - result = this.solver.check(); - model = null; - assertions = this.solver.getAssertions(); - if (result == Status.SATISFIABLE){ - model = this.solver.getModel(); - } - this.solver.pop(); - return new IsolationResult(ctx,result, p0, n_0, t_1, t_0, nctx, assertions, model); - } - - - - public IsolationResult CheckIsolationFlowProperty (NetworkObject src, NetworkObject dest){ - assert(net.elements.contains(src)); - assert(net.elements.contains(dest)); - solver.push (); - addConstraints(); - - Expr p = ctx.mkConst("check_isolation_p_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.packet); - Expr n_0 =ctx.mkConst("check_isolation_n_0_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - Expr n_1 =ctx.mkConst("check_isolation_n_1_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - Expr n_2 =ctx.mkConst("check_isolation_n_1_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - - IntExpr t_0 = ctx.mkIntConst("check_isolation_t0_"+src.getZ3Node()+"_"+dest.getZ3Node()); - IntExpr t_1 = ctx.mkIntConst("check_isolation_t1_"+src.getZ3Node()+"_"+dest.getZ3Node()); - IntExpr t_2 = ctx.mkIntConst("check_isolation_t2_"+src.getZ3Node()+"_"+dest.getZ3Node()); - - // Constraint1 recv(n_0,destNode,p,t_0) - this.solver.add((BoolExpr)nctx.recv.apply(n_0, dest.getZ3Node(), p, t_0)); - - // Constraint2 send(srcNode,n_1,p1,t_1) - this.solver.add((BoolExpr)nctx.send.apply(src.getZ3Node(), n_1, p, t_1)); - - // Constraint3 nodeHasAddr(srcNode,p.srcAddr) - this.solver.add((BoolExpr)nctx.nodeHasAddr.apply(src.getZ3Node(), nctx.pf.get("src").apply(p))); - - // Constraint4 p.origin == srcNode - this.solver.add(ctx.mkEq(nctx.pf.get("origin").apply(p), src.getZ3Node())); - - - Expr p_2 = ctx.mkConst("check_isolation_p_flow_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.packet); - - // Constraint5 there does not exist p_2, n_2, t_2 : - // send(destNode,n_2,p_2,t_2) && - // p_2.srcAddr == p. destAddr && - // p_2.srcPort == p.destPort && - // p_2.destPort == p.srcPort && - // p_2.destt == p.src && - // t_2 < t_0 - this.solver.add(ctx.mkNot(ctx.mkExists(new Expr[]{p_2,n_2,t_2}, - ctx.mkAnd( - (BoolExpr)nctx.send.apply(dest.getZ3Node(), n_2, p_2, t_2), - ctx.mkEq(nctx.pf.get("src").apply(p_2), nctx.pf.get("dest").apply(p)), - ctx.mkEq(nctx.pf.get("src_port").apply(p_2), nctx.pf.get("dest_port").apply(p)), - ctx.mkEq(nctx.pf.get("dest_port").apply(p_2), nctx.pf.get("src_port").apply(p)), - ctx.mkEq(nctx.pf.get("dest").apply(p_2), nctx.pf.get("src").apply(p)), - ctx.mkLt(t_2,t_0)),1,null,null,null,null))); - - - result = this.solver.check(); - model = null; - assertions = this.solver.getAssertions(); - if (result == Status.SATISFIABLE){ - model = this.solver.getModel(); - } - this.solver.pop(); - return new IsolationResult(ctx,result, p, n_0, t_1, t_0, nctx, assertions, model); - } - - - - public IsolationResult CheckNodeTraversalProperty (NetworkObject src, NetworkObject dest, NetworkObject node){ - assert(net.elements.contains(src)); - assert(net.elements.contains(dest)); - solver.push (); - addConstraints(); - - Expr p = ctx.mkConst("check_isolation_p_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.packet); - - Expr n_0 =ctx.mkConst("check_isolation_n_0_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - Expr n_1 =ctx.mkConst("check_isolation_n_1_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - Expr n_2 =ctx.mkConst("check_isolation_n_1_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - - IntExpr t_0 = ctx.mkIntConst("check_isolation_t0_"+src.getZ3Node()+"_"+dest.getZ3Node()); - IntExpr t_1 = ctx.mkIntConst("check_isolation_t1_"+src.getZ3Node()+"_"+dest.getZ3Node()); - IntExpr t_2 = ctx.mkIntConst("check_isolation_t2_"+src.getZ3Node()+"_"+dest.getZ3Node()); - - // Constraint1 recv(n_0,destNode,p,t_0) - this.solver.add((BoolExpr)nctx.recv.apply(n_0, dest.getZ3Node(), p, t_0)); - - // Constraint2 send(srcNode,n_1,p1,t_1) - this.solver.add((BoolExpr)nctx.send.apply(src.getZ3Node(), n_1, p, t_1)); - - // Constraint3 nodeHasAddr(srcNode,p.srcAddr) - this.solver.add((BoolExpr)nctx.nodeHasAddr.apply(src.getZ3Node(), nctx.pf.get("src").apply(p))); - - // Constraint4 p.origin == srcNode - this.solver.add(ctx.mkEq(nctx.pf.get("origin").apply(p), src.getZ3Node())); - - - // Constraint5 there does not exist n_2, t_2 : recv(n_2,node,p,t_2) && t_2 < t_0 - this.solver.add(ctx.mkNot(ctx.mkExists(new Expr[]{n_2,t_2}, - ctx.mkAnd( - (BoolExpr)nctx.recv.apply(n_2, node.getZ3Node(), p, t_2), - ctx.mkLt(t_2,t_0)),1,null,null,null,null))); - - // Constraint 6 there does not exist n_2, t_2 : send(node,n_2,p,t_2) && t_2 < t_0 - this.solver.add(ctx.mkNot(ctx.mkExists(new Expr[]{n_2,t_2}, - ctx.mkAnd( - (BoolExpr)nctx.send.apply(node.getZ3Node(), n_2, p, t_2), - ctx.mkLt(t_2,t_0)),1,null,null,null,null))); - - - result = this.solver.check(); - model = null; - assertions = this.solver.getAssertions(); - if (result == Status.SATISFIABLE){ - model = this.solver.getModel(); - } - this.solver.pop(); - return new IsolationResult(ctx,result, p, n_0, t_1, t_0, nctx, assertions, model); - - } - - public IsolationResult CheckLinkTraversalProperty (NetworkObject src, NetworkObject dest, NetworkObject le0, NetworkObject le1){ - assert(net.elements.contains(src)); - assert(net.elements.contains(dest)); - solver.push (); - addConstraints(); - - Expr p = ctx.mkConst("check_isolation_p_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.packet); - - Expr n_0 =ctx.mkConst("check_isolation_n_0_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - Expr n_1 =ctx.mkConst("check_isolation_n_1_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - - IntExpr t_0 = ctx.mkIntConst("check_isolation_t0_"+src.getZ3Node()+"_"+dest.getZ3Node()); - IntExpr t_1 = ctx.mkIntConst("check_isolation_t1_"+src.getZ3Node()+"_"+dest.getZ3Node()); - IntExpr t_2 = ctx.mkIntConst("check_isolation_t2_"+src.getZ3Node()+"_"+dest.getZ3Node()); - - // Constraint1 recv(n_0,destNode,p,t_0) - this.solver.add((BoolExpr)nctx.recv.apply(n_0, dest.getZ3Node(), p, t_0)); - - // Constraint2 send(srcNode,n_1,p1,t_1) - this.solver.add((BoolExpr)nctx.send.apply(src.getZ3Node(), n_1, p, t_1)); - - // Constraint3 nodeHasAddr(srcNode,p.srcAddr) - this.solver.add((BoolExpr)nctx.nodeHasAddr.apply(src.getZ3Node(), nctx.pf.get("src").apply(p))); - - // Constraint4 p.origin == srcNode - this.solver.add(ctx.mkEq(nctx.pf.get("origin").apply(p), src.getZ3Node())); - - // Constraint5 ∃ t_1, t_2 : - // send(linkNode0,linkNode1,p,t_1) && - // recv(linkNode0,linkNode1,p,t_2) && - // t_1 < t_0 && - // t_2 < t_0 - this.solver.add(ctx.mkExists(new Expr[]{t_1,t_2}, - ctx.mkAnd( - (BoolExpr)nctx.send.apply(le0.getZ3Node(), le1.getZ3Node(), p, t_1), - (BoolExpr)nctx.recv.apply(le0.getZ3Node(), le1.getZ3Node(), p, t_2), - ctx.mkLt(t_1,t_0), - ctx.mkLt(t_2,t_0)),1,null,null,null,null)); - - - result = this.solver.check(); - model = null; - assertions = this.solver.getAssertions(); - if (result == Status.SATISFIABLE){ - model = this.solver.getModel(); - } - this.solver.pop(); - return new IsolationResult(ctx,result, p, n_0, t_1, t_0, nctx, assertions, model); - - } - - public Result CheckDataIsolationPropertyCore (NetworkObject src, NetworkObject dest){ - assert(net.elements.contains(src)); - assert(net.elements.contains(dest)); - List<BoolExpr> constr = this.getConstraints(); - Expr p = ctx.mkConst("check_isolation_p_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.packet); - - Expr n_0 =ctx.mkConst("check_isolation_n_0_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - IntExpr t = ctx.mkIntConst("check_isolation_t_"+src.getZ3Node()+"_"+dest.getZ3Node()); - - // Constraint1 recv(n_0,destNode,p,t) - constr.add((BoolExpr)nctx.recv.apply(n_0, dest.getZ3Node(), p, t)); - - // Constraint2 p.origin == srcNode - this.solver.add(ctx.mkEq(nctx.pf.get("origin").apply(p), src.getZ3Node())); - - this.solver.push(); - - // Constraint3 for each constraint( n -> constraint) - ArrayList<BoolExpr> names =new ArrayList<BoolExpr>(); - for(BoolExpr con : constr){ - BoolExpr n = ctx.mkBoolConst(""+con); - names.add(n); - this.solver.add(ctx.mkImplies(n, con)); - } - - BoolExpr[] nam = new BoolExpr[names.size()]; - result = this.solver.check(names.toArray(nam)); - Result ret =null; - - if (result == Status.SATISFIABLE){ - System.out.println("SAT"); - ret = new Result(ctx,this.solver.getModel()); - }else if(result == Status.UNSATISFIABLE){ - System.out.println("unsat"); - ret = new Result(ctx,this.solver.getUnsatCore()); - } - this.solver.pop(); - return ret; - } - - public DataIsolationResult CheckDataIsolationProperty(NetworkObject src, NetworkObject dest){ - assert(net.elements.contains(src)); - assert(net.elements.contains(dest)); - solver.push (); - addConstraints(); - - Expr p = ctx.mkConst("check_isolation_p_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.packet); - - Expr n_0 =ctx.mkConst("check_isolation_n_0_"+src.getZ3Node()+"_"+dest.getZ3Node(), nctx.node); - IntExpr t = ctx.mkIntConst("check_isolation_t_"+src.getZ3Node()+"_"+dest.getZ3Node()); - - // Constraint1 recv(n_0,destNode,p,t) - this.solver.add((BoolExpr)nctx.recv.apply(n_0, dest.getZ3Node(), p, t)); - - // Constraint2 p.origin == srcNode - this.solver.add(ctx.mkEq(nctx.pf.get("origin").apply(p), src.getZ3Node())); - - result = this.solver.check(); - model = null; - assertions = this.solver.getAssertions(); - if (result == Status.SATISFIABLE){ - model = this.solver.getModel(); - } - this.solver.pop(); - return new DataIsolationResult(ctx,result, p, n_0, t, nctx, assertions, model); - } - - - - - public void addConstraints(){ - nctx.addConstraints(solver); - net.addConstraints(solver); - for (NetworkObject el : net.elements) - el.addConstraints(solver); - } - - - public List<BoolExpr> getConstraints(){ - Solver l = ctx.mkSolver(); - nctx.addConstraints(l); - net.addConstraints(l); - for (NetworkObject el : net.elements) - el.addConstraints(l); - return Arrays.asList(l.getAssertions()); - } -} diff --git a/verigraph/service/src/mcnet/components/Core.java b/verigraph/service/src/mcnet/components/Core.java deleted file mode 100644 index c72b9e3..0000000 --- a/verigraph/service/src/mcnet/components/Core.java +++ /dev/null @@ -1,44 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.components; -import com.microsoft.z3.Context; -import com.microsoft.z3.Solver; - -/**Core component for everything that matters - * - */ -public abstract class Core{ - - final int MAX_PORT = 512; - - /** - * Base class for all objects in the modeling framework - * @param ctx - * @param args - */ - public Core(Context ctx, Object[]... args){ // Object[]... -> The nearest way to implement variable length argument lists - //in Java, in the most generic way. - init(ctx,args); - } - /** - * Override _init for any constructor initialization. Avoids having to explicitly call super.__init__ every Time.class - * @param ctx - * @param args - */ - abstract protected void init(Context ctx,Object[]... args); - - /** - * Add constraints to solver - * @param solver - */ - abstract protected void addConstraints(Solver solver); -} - - diff --git a/verigraph/service/src/mcnet/components/DataIsolationResult.java b/verigraph/service/src/mcnet/components/DataIsolationResult.java deleted file mode 100644 index b90a47f..0000000 --- a/verigraph/service/src/mcnet/components/DataIsolationResult.java +++ /dev/null @@ -1,41 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.components; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.Expr; -import com.microsoft.z3.Model; -import com.microsoft.z3.Status; - - -/**Data structure for the response to a check request for data isolation property - * - */ -public class DataIsolationResult { - - Context ctx; - public NetContext nctx; - public Status result; - public Model model; - public Expr violating_packet,last_hop,last_time,t_1; - public BoolExpr [] assertions; - - public DataIsolationResult(Context ctx,Status result, Expr violating_packet, Expr last_hop, Expr last_time, NetContext nctx, BoolExpr[] assertions, Model model){ - this.ctx = ctx; - this.result = result; - this.violating_packet = violating_packet; - this.last_hop = last_hop; - this.model = model; - this.last_time = last_time; - this.assertions = assertions; - } -} - diff --git a/verigraph/service/src/mcnet/components/IsolationResult.java b/verigraph/service/src/mcnet/components/IsolationResult.java deleted file mode 100644 index 1ecaccc..0000000 --- a/verigraph/service/src/mcnet/components/IsolationResult.java +++ /dev/null @@ -1,42 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.components; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.Expr; -import com.microsoft.z3.Model; -import com.microsoft.z3.Status; - -/** - * Data structure for the response to check requests for isolation properties - * - */ -public class IsolationResult { - - Context ctx; - public NetContext nctx; - public Status result; - public Model model; - public Expr violating_packet,last_hop,last_send_time,last_recv_time,t_1; - public BoolExpr [] assertions; - - public IsolationResult(Context ctx,Status result, Expr violating_packet, Expr last_hop, Expr last_send_time, Expr last_recv_time,NetContext nctx, BoolExpr[] assertions, Model model){ - this.ctx = ctx; - this.result = result; - this.violating_packet = violating_packet; - this.last_hop = last_hop; - this.model = model; - this.last_send_time = last_send_time; - this.last_recv_time = last_recv_time; - this.assertions = assertions; - } -} - diff --git a/verigraph/service/src/mcnet/components/NetContext.java b/verigraph/service/src/mcnet/components/NetContext.java deleted file mode 100644 index ece31c5..0000000 --- a/verigraph/service/src/mcnet/components/NetContext.java +++ /dev/null @@ -1,340 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.components; - -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Constructor; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.DatatypeSort; -import com.microsoft.z3.EnumSort; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; -import com.microsoft.z3.Sort; - -import mcnet.netobjs.DumbNode; - -/** - * Basic fields and other things required for model checking. - * - */ -public class NetContext extends Core{ - - - List<BoolExpr> constraints; - List<Core> policies; - - public HashMap<String,NetworkObject> nm; //list of nodes, callable by node name - public HashMap<String,DatatypeExpr> am; // list of addresses, callable by address name - public HashMap<String,FuncDecl> pf; - Context ctx; - public EnumSort node,address; - public FuncDecl src_port,dest_port,nodeHasAddr,addrToNode,send,recv; - public DatatypeSort packet; - - /* Constants definition - - used in the packet proto field */ - public final int HTTP_REQUEST = 1; - public final int HTTP_RESPONSE = 2; - public final int POP3_REQUEST = 3; - public final int POP3_RESPONSE = 4; - - /** - * Context for all of the rest that follows. Every network needs one of these - * @param ctx - * @param args - */ - public NetContext(Context ctx,Object[]... args ){ - super(ctx,args); - - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - nm = new HashMap<String,NetworkObject>(); //list of nodes, callable by node name - am = new HashMap<String,DatatypeExpr>(); // list of addresses, callable by address name - pf= new HashMap<String,FuncDecl>() ; - - mkTypes((String[])args[0],(String[])args[1]); - - constraints = new ArrayList<BoolExpr>(); - policies = new ArrayList<Core>(); - - baseCondition(); - } - - /** - * A policy is a collection of shared algorithms or functions used by multiple components - * (for instance compression or DPI policies etc). - * @param policy - */ - public void AddPolicy (NetworkObject policy){ - policies.add(policy); - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - for (Core policy : policies){ - policy.addConstraints(solver); - } - } - - private void mkTypes (String[] nodes, String[] addresses){ - //Nodes in a network - node = ctx.mkEnumSort("Node", nodes); - for(int i=0;i<node.getConsts().length;i++){ - DatatypeExpr fd = (DatatypeExpr)node.getConst(i); - DumbNode dn =new DumbNode(ctx,new Object[]{fd}); - nm.put(fd.toString(),dn); - } - - //Addresses for this network - String[] new_addr = new String[addresses.length+1]; - for(int k=0;k<addresses.length;k++) - new_addr[k] = addresses[k]; - - new_addr[new_addr.length-1] = "null"; - address = ctx.mkEnumSort("Address", new_addr); - for(int i=0;i<address.getConsts().length;i++){ - DatatypeExpr fd = (DatatypeExpr)address.getConst(i); - am.put(fd.toString(),fd); - } - - // Type for packets, contains (some of these are currently represented as relations): - // - src: Source address - // - dest: Destination address - // - origin: Node where the data originated. (Node) - // - body: Packet contents. (Integer) - // - seq: Sequence number for packets. (Integer) - // - options: A representation for IP options. (Integer) - - String[] fieldNames = new String[]{ - "src","dest","inner_src","inner_dest","origin","orig_body","body","seq","proto","emailFrom","url","options","encrypted"}; - Sort[] srt = new Sort[]{ - address,address,address,address,node,ctx.mkIntSort(),ctx.mkIntSort(),ctx.mkIntSort(), - ctx.mkIntSort(),ctx.mkIntSort(),ctx.mkIntSort(),ctx.mkIntSort(),ctx.mkBoolSort()}; - Constructor packetcon = ctx.mkConstructor("packet", "is_packet", fieldNames, srt, null); - packet = ctx.mkDatatypeSort("packet", new Constructor[] {packetcon}); - - for(int i=0;i<fieldNames.length;i++){ - pf.put(fieldNames[i], packet.getAccessors()[0][i]); // pf to get packet's function declarations by name - } - - src_port = ctx.mkFuncDecl("sport", packet, ctx.mkIntSort()); - dest_port = ctx.mkFuncDecl("dport", packet, ctx.mkIntSort()); - - // Some commonly used relations - - // nodeHasAddr: node -> address -> boolean - nodeHasAddr = ctx.mkFuncDecl("nodeHasAddr", new Sort[]{node, address},ctx.mkBoolSort()); - - // addrToNode: address -> node - addrToNode = ctx.mkFuncDecl("addrToNode", address, node); - - // Send and receive both have the form: - // source-> destination -> packet-> int-> bool - - // send: node -> node -> packet-> int-> bool - send = ctx.mkFuncDecl("send", new Sort[]{ node, node, packet, ctx.mkIntSort()},ctx.mkBoolSort()); - - // recv: node -> node -> packet-> int-> bool - recv = ctx.mkFuncDecl("recv", new Sort[]{ node, node, packet, ctx.mkIntSort()},ctx.mkBoolSort()); - - } - - /** - * Set up base conditions for the network - */ - private void baseCondition(){ - // Basic constraints for the overall model - Expr n_0 = ctx.mkConst("ctx_base_n_0", node); - Expr n_1 = ctx.mkConst("ctx_base_n_1", node); - Expr n_2 = ctx.mkConst("ctx_base_n_2", node); - Expr p_0 = ctx.mkConst("ctx_base_p_0", packet); - Expr p_1 = ctx.mkConst("ctx_base_p_1", packet); - IntExpr t_0 = ctx.mkIntConst("ctx_base_t_0"); - IntExpr t_1 = ctx.mkIntConst("ctx_base_t_1"); - - // Constraint1 send(n_0, n_1, p_0, t_0) -> n_0 != n_1 - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies((BoolExpr)send.apply(n_0, n_1, p_0, t_0),ctx.mkNot(ctx.mkEq( n_0, n_1))),1,null,null,null,null)); - - // Constraint2 recv(n_0, n_1, p_0, t_0) -> n_0 != n_1 - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies((BoolExpr)recv.apply(n_0, n_1, p_0, t_0),ctx.mkNot(ctx.mkEq( n_0, n_1))),1,null,null,null,null)); - - // Constraint3 send(n_0, n_1, p_0, t_0) -> p_0.src != p_0.dest - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies((BoolExpr)send.apply(n_0, n_1, p_0, t_0), - ctx.mkNot(ctx.mkEq( pf.get("src").apply(p_0), pf.get("dest").apply(p_0)))),1,null,null,null,null)); - - // Constraint4 recv(n_0, n_1, p_0, t_0) -> p_0.src != p_0.dest - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies((BoolExpr)recv.apply(n_0, n_1, p_0, t_0), - ctx.mkNot(ctx.mkEq(pf.get("src").apply(p_0),pf.get("dest").apply(p_0)))),1,null,null,null,null)); - - // Constraint5 recv(n_0, n_1, p, t_0) -> send(n_0, n_1, p, t_1) && t_1 < t_0 - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies((BoolExpr)recv.apply(n_0, n_1, p_0, t_0), - ctx.mkExists(new Expr[]{t_1}, - ctx.mkAnd((BoolExpr)send.apply(n_0, n_1, p_0, t_1), - ctx.mkLt(t_1, t_0)),1,null,null,null,null)),1,null,null,null,null)); - - // Constraint6 send(n_0, n_1, p, t_0) -> p.src_port > 0 && p.dest_port < MAX_PORT - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies((BoolExpr)send.apply(n_0, n_1, p_0, t_0), - ctx.mkAnd( ctx.mkGe((IntExpr)src_port.apply(p_0),(IntExpr)ctx.mkInt(0)), - ctx.mkLt((IntExpr)src_port.apply(p_0),(IntExpr) ctx.mkInt(MAX_PORT)))),1,null,null,null,null)); - - // Constraint7 recv(n_0, n_1, p, t_0) -> p.src_port > 0 && p.dest_port < MAX_PORT - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies((BoolExpr)recv.apply(n_0, n_1, p_0, t_0), - ctx.mkAnd( ctx.mkGe((IntExpr)dest_port.apply(p_0),(IntExpr)ctx.mkInt(0)), - ctx.mkLt((IntExpr)dest_port.apply(p_0),(IntExpr) ctx.mkInt(MAX_PORT)))),1,null,null,null,null)); - - // Constraint8 recv(n_0, n_1, p_0, t_0) -> t_0 > 0 - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies((BoolExpr)recv.apply(n_0, n_1, p_0, t_0), - ctx.mkGt(t_0,ctx.mkInt(0))),1,null,null,null,null)); - - // Constraint9 send(n_0, n_1, p_0, t_0) -> t_0 > 0 - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies((BoolExpr)send.apply(n_0, n_1, p_0, t_0), - ctx.mkGt(t_0,ctx.mkInt(0))),1,null,null,null,null)); - - // Extra constriants for supporting the VPN gateway - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies( - ctx.mkAnd((BoolExpr)send.apply(n_0, n_1, p_0, t_0), - ctx.mkNot(ctx.mkEq(this.pf.get("inner_src").apply(p_0), this.am.get("null")))), - ctx.mkNot(ctx.mkEq(this.pf.get("inner_src").apply(p_0), this.pf.get("inner_dest").apply(p_0)))),1,null,null,null,null)); - - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies( - ctx.mkAnd((BoolExpr)send.apply(n_0, n_1, p_0, t_0), - ctx.mkEq(this.pf.get("inner_src").apply(p_0), this.am.get("null"))), - ctx.mkEq(this.pf.get("inner_src").apply(p_0), this.pf.get("inner_dest").apply(p_0))),1,null,null,null,null)); - - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies( - ctx.mkAnd((BoolExpr)send.apply(n_0, n_1, p_0, t_0), - ctx.mkEq(this.pf.get("inner_dest").apply(p_0), this.am.get("null"))), - ctx.mkEq(this.pf.get("inner_src").apply(p_0), this.pf.get("inner_dest").apply(p_0))),1,null,null,null,null)); - - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies( - ctx.mkAnd((BoolExpr)recv.apply(n_0, n_1, p_0, t_0), - ctx.mkNot(ctx.mkEq(this.pf.get("inner_src").apply(p_0), this.am.get("null")))), - ctx.mkNot(ctx.mkEq(this.pf.get("inner_src").apply(p_0), this.pf.get("inner_dest").apply(p_0)))),1,null,null,null,null)); - - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies( - ctx.mkAnd((BoolExpr)recv.apply(n_0, n_1, p_0, t_0), - ctx.mkEq(this.pf.get("inner_src").apply(p_0), this.am.get("null"))), - ctx.mkEq(this.pf.get("inner_src").apply(p_0), this.pf.get("inner_dest").apply(p_0))),1,null,null,null,null)); - - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0}, - ctx.mkImplies( - ctx.mkAnd((BoolExpr)recv.apply(n_0, n_1, p_0, t_0), - ctx.mkEq(this.pf.get("inner_dest").apply(p_0), this.am.get("null"))), - ctx.mkEq(this.pf.get("inner_src").apply(p_0), this.pf.get("inner_dest").apply(p_0))),1,null,null,null,null)); - - constraints.add( - ctx.mkForall(new Expr[]{n_0, n_1, p_0, t_0, n_2, p_1, t_1}, - ctx.mkImplies( - ctx.mkAnd( - ctx.mkLt(t_1, t_0), - (BoolExpr)send.apply(n_0, n_1, p_0, t_0), - (BoolExpr)this.pf.get("encrypted").apply(p_1), - (BoolExpr)recv.apply(n_2, n_0, p_1, t_1), - (BoolExpr)this.pf.get("encrypted").apply(p_0)), - ctx.mkAnd( - ctx.mkEq(this.pf.get("inner_src").apply(p_1), this.pf.get("inner_src").apply(p_0)), - ctx.mkEq(this.pf.get("inner_dest").apply(p_1), this.pf.get("inner_dest").apply(p_0)), - ctx.mkEq(this.pf.get("origin").apply(p_1), this.pf.get("origin").apply(p_0)), - ctx.mkEq(this.pf.get("orig_body").apply(p_1), this.pf.get("orig_body").apply(p_0)), - ctx.mkEq(this.pf.get("body").apply(p_1), this.pf.get("body").apply(p_0)), - ctx.mkEq(this.pf.get("seq").apply(p_1), this.pf.get("seq").apply(p_0)), - ctx.mkEq(this.pf.get("proto").apply(p_1), this.pf.get("proto").apply(p_0)), - ctx.mkEq(this.pf.get("emailFrom").apply(p_1), this.pf.get("emailFrom").apply(p_0)), - ctx.mkEq(this.pf.get("url").apply(p_1), this.pf.get("url").apply(p_0)), - ctx.mkEq(this.pf.get("options").apply(p_1), this.pf.get("options").apply(p_0)))),1,null,null,null,null) - ); - } - - /** - * Two packets have equal headers - * @param p1 - * @param p2 - * @return - */ - public BoolExpr PacketsHeadersEqual(Expr p1, Expr p2){ - return ctx.mkAnd(new BoolExpr[]{ - ctx.mkEq(pf.get("src").apply(p1), pf.get("src").apply(p2)), - ctx.mkEq(pf.get("dest").apply(p1), pf.get("dest").apply(p2)), - ctx.mkEq(pf.get("origin").apply(p1), pf.get("origin").apply(p2)), - ctx.mkEq(pf.get("seq").apply(p1), pf.get("seq").apply(p2)), - ctx.mkEq(src_port.apply(p1), src_port.apply(p2)), - ctx.mkEq(dest_port.apply(p1), dest_port.apply(p2)), - ctx.mkEq(pf.get("options").apply(p1), pf.get("options").apply(p2))}); - } - - /** - * Two packets have equal bodies - * @param p1 - * @param p2 - * @return - */ - public BoolExpr PacketContentEqual(Expr p1, Expr p2){ - return ctx.mkEq(pf.get("body").apply(p1), pf.get("body").apply(p2)); - } - - - /* seems to be useless - * - public Function failurePredicate (NetContext context) - { - return (NetworkObject node) -> ctx.mkNot(context.failed (node.z3Node)); - - }*/ - - public BoolExpr destAddrPredicate (Expr p, DatatypeExpr address){ - return ctx.mkEq(pf.get("dest").apply(p),address); - } - - public BoolExpr srcAddrPredicate (Expr p, DatatypeExpr address){ - return ctx.mkEq(pf.get("src").apply(p),address); - } - -}
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/components/Network.java b/verigraph/service/src/mcnet/components/Network.java deleted file mode 100644 index c04f771..0000000 --- a/verigraph/service/src/mcnet/components/Network.java +++ /dev/null @@ -1,296 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.components; -import java.util.ArrayList; -import java.util.HashMap; -import java.util.List; -import java.util.Map; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; -import com.microsoft.z3.Z3Exception; - -/**Model for a network, encompasses routing and wiring - * - */ -public class Network extends Core{ - - Context ctx; - NetContext nctx; - List<BoolExpr> constraints; - List<NetworkObject> elements; - - - - public Network(Context ctx,Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - this.nctx = (NetContext) args[0][0]; - constraints = new ArrayList<BoolExpr>(); - elements = new ArrayList<NetworkObject>(); - - } - - /**Composes the network linking the configured network objects - * - * @param elements - */ - public void attach (NetworkObject ... elements){ - for(NetworkObject el : elements) - this.elements.add(el); - } - - @Override - protected void addConstraints(Solver solver) { - try { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } catch (Z3Exception e) { - e.printStackTrace(); - } - } - - /** - * Specify host to address mapping. - * Handles the case in which we have more than one address for a node - * @param addrmap - */ - public void setAddressMappings(ArrayList<Tuple<NetworkObject,ArrayList<DatatypeExpr>>> addrmap){ - // Set address mapping for nodes. - for (Tuple<NetworkObject,ArrayList<DatatypeExpr>> entry : addrmap) { - NetworkObject node=entry._1; - List<DatatypeExpr> addr=entry._2; - Expr a_0 = ctx.mkConst(node+"_address_mapping_a_0",nctx.address); - ArrayList<BoolExpr> or_clause = new ArrayList<BoolExpr>(); - - // Constraint 1 addrToNode(foreach ad in addr) = node - for (DatatypeExpr ad : addr){ - constraints.add(ctx.mkEq(nctx.addrToNode.apply(ad), node.getZ3Node())); - or_clause.add(ctx.mkEq(a_0,ad)); - } - BoolExpr[] orClause = new BoolExpr[or_clause.size()]; - - // Constraint 2 nodeHasAddr(node, a_0) == Or(foreach ad in addr (a_0 == ad)) - // Note we need the iff here to make sure that we set nodeHasAddr to false - // for other addresses. - constraints.add(ctx.mkForall(new Expr[]{a_0}, - ctx.mkEq(ctx.mkOr(or_clause.toArray(orClause)), nctx.nodeHasAddr.apply(node.getZ3Node(), a_0)),1,null,null,null,null)); - } - } - - - - /** - * Don't forward packets addressed to node - * @param node - */ - public void saneSend(NetworkObject node){ - Expr n_0 = ctx.mkConst(node+"_saneSend_n_0", nctx.node); - Expr p_0 = ctx.mkConst(node+"_saneSend_p_0", nctx.packet); - IntExpr t_0 = ctx.mkIntConst(node+"_saneSend_t_0"); - // Constant: node - //Constraint send(node, n_0, p, t_0) -> !nodeHasAddr(node, p.dest) - constraints.add( - ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(node.getZ3Node(),n_0, p_0, t_0), - ctx.mkNot((BoolExpr)nctx.nodeHasAddr.apply( node.getZ3Node(), - nctx.pf.get("dest").apply(p_0)))),1,null,null,null,null)); - } - - /** - * Node sends all traffic through gateway - * @param node - * @param gateway - */ - public void setGateway (NetworkObject node, NetworkObject gateway){ - // SetGateway(self, node, gateway): All packets from node are sent through gateway - Expr n_0 = ctx.mkConst(node+"_gateway_n_0", nctx.node); - Expr p_0 = ctx.mkConst(node+"_gateway_p_0", nctx.packet); - IntExpr t_0 = ctx.mkIntConst(node+"_gateway_t_0"); - - //Constraint send(node, n_0, p_0, t_0) -> n_0 = gateway - constraints.add( - ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies( - (BoolExpr)nctx.send.apply(node.getZ3Node(), n_0, p_0, t_0), - ctx.mkEq(n_0,gateway.getZ3Node())),1,null,null,null,null)); - -// constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0}, -// ctx.mkImplies((BoolExpr)nctx.recv.apply(n_0, node.getZ3Node(), p_0, t_0), -// ctx.mkEq(n_0,gateway.getZ3Node())),1,null,null,null,null)); - } - - /** - * Assigns a specific routing table to a network object. Routing entries in the form: address -> node - * @param node - * @param routing_table - */ - public void routingTable (NetworkObject node,ArrayList<Tuple<DatatypeExpr,NetworkObject>> routing_table){ - compositionPolicy(node,routing_table); - } - - /** - * Composition policies steer packets between middleboxes. - * @param node - * @param policy - */ - public void compositionPolicy (NetworkObject node,ArrayList<Tuple<DatatypeExpr,NetworkObject>> policy){ - //Policy is of the form predicate -> node - Expr p_0 = ctx.mkConst(node+"_composition_p_0", nctx.packet); - Expr n_0 = ctx.mkConst(node+"_composition_n_0", nctx.node); - Expr t_0 = ctx.mkIntConst(node+"_composition_t_0"); - - HashMap<String,ArrayList<BoolExpr>> collected = new HashMap<String,ArrayList<BoolExpr>>(); - HashMap<String,NetworkObject> node_dict = new HashMap<String,NetworkObject>(); - BoolExpr predicates; - for(int y=0;y<policy.size();y++){ - Tuple<DatatypeExpr,NetworkObject> tp = policy.get(y); - if(collected.containsKey(""+tp._2)) collected.get(""+tp._2).add(nctx.destAddrPredicate(p_0,tp._1)); - else{ - ArrayList<BoolExpr> alb = new ArrayList<BoolExpr>(); - alb.add(nctx.destAddrPredicate(p_0,tp._1)); - collected.put(""+tp._2,alb); - } - node_dict.put(""+tp._2, tp._2); - } - - //Constraint foreach rtAddr,rtNode in rt( send(node, n_0, p_0, t_0) && - // Or(foreach rtAddr in rt destAddrPredicate(p_0,rtAddr)) -> n_0 == rtNode ) - for (Map.Entry<String,ArrayList<BoolExpr>> entry : collected.entrySet()) { - BoolExpr[] pred = new BoolExpr[entry.getValue().size()]; - predicates = ctx.mkOr(entry.getValue().toArray(pred)); - - constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies(ctx.mkAnd((BoolExpr)nctx.send.apply(node.getZ3Node(), n_0, p_0, t_0), predicates), - ctx.mkEq(n_0, node_dict.get(entry.getKey()).getZ3Node())),1,null,null,null,null)); - } - } - - /** - * Routing entries are in the form: address -> node. Also allows packet to be sent to another box for further processing - * @param node - * @param routing_table - * @param shunt_node - */ - public void routingTableShunt (NetworkObject node,ArrayList<Tuple<DatatypeExpr,NetworkObject>> routing_table,NetworkObject shunt_node){ - compositionPolicyShunt(node,routing_table,shunt_node); - } - - /** - * Composition policies steer packets between middleboxes.Policy is in the form: predicate -> node - * @param node - * @param routing_table - * @param shunt_node - */ - public void compositionPolicyShunt (NetworkObject node,ArrayList<Tuple<DatatypeExpr,NetworkObject>> routing_table,NetworkObject shunt_node){ - Expr p_0 = ctx.mkConst(node+"_composition_p_0", nctx.packet); - Expr n_0 = ctx.mkConst(node+"_composition_n_0", nctx.node); - Expr t_0 = ctx.mkIntConst(node+"_composition_t_0"); - - HashMap<String,ArrayList<BoolExpr>> collected = new HashMap<String,ArrayList<BoolExpr>>(); - HashMap<String,NetworkObject> node_dict = new HashMap<String,NetworkObject>(); - BoolExpr predicates; - for(int y=0;y<routing_table.size();y++){ - Tuple<DatatypeExpr,NetworkObject> tp = routing_table.get(y); - if(collected.containsKey(""+tp._2)) collected.get(""+tp._2).add(nctx.destAddrPredicate(p_0,tp._1)); - else{ - ArrayList<BoolExpr> alb = new ArrayList<BoolExpr>(); - alb.add(nctx.destAddrPredicate(p_0,tp._1)); - collected.put(""+tp._2,alb); - } - node_dict.put(""+tp._2, tp._2); - } - - //Constraint foreach rtAddr,rtNode in rt( send(node, n_0, p_0, t_0) && - // Or(foreach rtAddr in rt destAddrPredicate(p_0,rtAddr)) -> n_0 == rtNode ) - for (Map.Entry<String,ArrayList<BoolExpr>> entry : collected.entrySet()) { - BoolExpr[] pred = new BoolExpr[entry.getValue().size()]; - predicates = ctx.mkOr(entry.getValue().toArray(pred)); - - constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies(ctx.mkAnd((BoolExpr)nctx.send.apply(node.getZ3Node(), n_0, p_0, t_0), predicates), - ctx.mkOr(ctx.mkEq(n_0, node_dict.get(entry.getKey()).getZ3Node()),ctx.mkEq(n_0, shunt_node.getZ3Node()))),1,null,null,null,null)); - } - - } - -// public void SimpleIsolation (NetworkObject node, ArrayList<DatatypeExpr> addresses){ -// Expr p = ctx.mkConst(node+"_s_p", nctx.packet); -// Expr n = ctx.mkConst(node+"_s_n", nctx.node); -// IntExpr t = ctx.mkInt(node+"_s_t"); -// -// BoolExpr[] a_pred= new BoolExpr[addresses.size()]; -// for(int y=0;y<addresses.size();y++){ -// DatatypeExpr de = addresses.get(y); -// a_pred[y] = ctx.mkOr(ctx.mkEq(nctx.pf.get("src").apply(p), de),ctx.mkEq(nctx.pf.get("dest").apply(p), de)); -// } -// -// constraints.add( -// ctx.mkForall(new Expr[]{p, n, t}, -// ctx.mkImplies((BoolExpr)nctx.recv.apply(n, node.getZ3Node(), p, t), -// ctx.mkOr(a_pred)),1,null,null,null,null)); -// constraints.add( -// ctx.mkForall(new Expr[]{p, n, t}, -// ctx.mkImplies((BoolExpr)nctx.send.apply(node.getZ3Node(), n, p, t), -// ctx.mkOr(a_pred)),1,null,null,null,null)); -// } - - - /** - * Set isolation constraints on a node. - * Doesn't need to be set but useful when interfering policies are in play. - * @param node - * @param adjacencies - * - */ - public void SetIsolationConstraint ( NetworkObject node, ArrayList<NetworkObject> adjacencies){ - - Expr n_0 = ctx.mkConst(node+"_isolation_n_0", nctx.node); - Expr p_0 = ctx.mkConst(node+"_isolation_p_0", nctx.packet); - IntExpr t_0 = ctx.mkInt(node+"_isolation_t_0"); - - BoolExpr[] adj = new BoolExpr[adjacencies.size()]; - for(int y=0;y<adjacencies.size();y++){ - NetworkObject no = adjacencies.get(y); - adj[y] = ctx.mkEq(n_0,no.getZ3Node()); - } - BoolExpr clause = ctx.mkOr(adj); - - constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(node.getZ3Node(), n_0, p_0, t_0), - clause),1,null,null,null,null)); - constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.recv.apply(n_0, node.getZ3Node(), p_0, t_0), - clause),1,null,null,null,null)); - } - - /** - * Return all currently attached endhosts - * @return NetworkObject - */ - public List<String> EndHosts(){ - List<String> att_nos = new ArrayList<String>(); - for(NetworkObject el :elements){ - if(el.isEndHost){ - System.out.println("el: "+el); - att_nos.add(el.getZ3Node().toString()); - } - } - return att_nos; - } -} diff --git a/verigraph/service/src/mcnet/components/NetworkObject.java b/verigraph/service/src/mcnet/components/NetworkObject.java deleted file mode 100644 index 0de3937..0000000 --- a/verigraph/service/src/mcnet/components/NetworkObject.java +++ /dev/null @@ -1,57 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.components; - -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; - -/** Represents a generic network object. - * - */ -public abstract class NetworkObject extends Core{ - - public NetworkObject(Context ctx,Object[]... args) { - super(ctx,args); - } - - protected DatatypeExpr z3Node; - protected boolean isEndHost; - /** - * Get a reference to the z3 node this class wraps around - * @return - */ - abstract public DatatypeExpr getZ3Node(); - - public String toString(){ - return z3Node.toString(); - } - - //There is probably an error: z3Node.hashCode = 0 because AST.hashCode() has always hash=0 - /*public int hashCode(){ - return z3Node.hashCode(); - }*/ - - /** - * A simple way to determine the set of endhosts - * @return - */ - public boolean isEndHost(){ - return isEndHost; - } - - /** - * Wrap methods to set policy - * @param policy - * @throws UnsupportedOperationException - */ - void setPolicy (Object policy) throws UnsupportedOperationException{ - throw new UnsupportedOperationException(); - } -} diff --git a/verigraph/service/src/mcnet/components/Result.java b/verigraph/service/src/mcnet/components/Result.java deleted file mode 100644 index acb23f1..0000000 --- a/verigraph/service/src/mcnet/components/Result.java +++ /dev/null @@ -1,43 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.components; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.Model; - -/**Data structure for the core of the response to a check request for data isolation property - * - */ -public class Result { - Context ctx; - public Model model; - public BoolExpr[] unsat_core; - -/** - * - * @param ctx - * @param model - */ - public Result(Context ctx, Model model){ - this.ctx = ctx; - this.model = model; - } - -/** - * - * @param ctx - * @param unsat_core - */ - public Result(Context ctx, BoolExpr[] unsat_core){ - this.ctx = ctx; - this.unsat_core = unsat_core; -} -} diff --git a/verigraph/service/src/mcnet/components/Tuple.java b/verigraph/service/src/mcnet/components/Tuple.java deleted file mode 100644 index 849d607..0000000 --- a/verigraph/service/src/mcnet/components/Tuple.java +++ /dev/null @@ -1,35 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.components; - -/** A data structure which is an utility to make a generic couple of objects with different types in Java - * - */ -public class Tuple<T, U> { - public final T _1; - public final U _2; - - - public Tuple(T arg1,U arg2) { - super(); - this._1 = arg1; - this._2 = arg2; - } - - public Tuple(){ - this._1 = null; - this._2 = null; - } - - @Override - public String toString() { - return String.format("(%s, %s)", _1, _2); - } - }
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/AclFirewall.java b/verigraph/service/src/mcnet/netobjs/AclFirewall.java deleted file mode 100644 index 4ae3421..0000000 --- a/verigraph/service/src/mcnet/netobjs/AclFirewall.java +++ /dev/null @@ -1,123 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; -import com.microsoft.z3.Sort; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; -import mcnet.components.Tuple; - -/** Represents a Firewall with the associated Access Control List - * - */ -public class AclFirewall extends NetworkObject{ - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr fw; - ArrayList<Tuple<DatatypeExpr,DatatypeExpr>> acls; - Network net; - NetContext nctx; - FuncDecl acl_func; - - public AclFirewall(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=false; - constraints = new ArrayList<BoolExpr>(); - acls = new ArrayList<Tuple<DatatypeExpr,DatatypeExpr>>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - fw = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - net.saneSend(this); - firewallSendRules(); - } - - /** - * Wrap add acls - * @param policy - */ - public void setPolicy(ArrayList<Tuple<DatatypeExpr, DatatypeExpr>> policy){ - addAcls(policy); - } - - public void addAcls(ArrayList<Tuple<DatatypeExpr,DatatypeExpr>> acls){ - this.acls.addAll(acls); - } - - @Override - public DatatypeExpr getZ3Node() { - return fw; - } - - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - aclConstraints(solver); - } - - private void firewallSendRules (){ - Expr p_0 = ctx.mkConst(fw+"_firewall_send_p_0", nctx.packet); - Expr n_0 = ctx.mkConst(fw+"_firewall_send_n_0", nctx.node); - Expr n_1 = ctx.mkConst(fw+"_firewall_send_n_1", nctx.node); - IntExpr t_0 = ctx.mkIntConst(fw+"_firewall_send_t_0"); - IntExpr t_1 = ctx.mkIntConst(fw+"_firewall_send_t_1"); - acl_func = ctx.mkFuncDecl(fw+"_acl_func", new Sort[]{nctx.address, nctx.address},ctx.mkBoolSort()); - - //Constraint1 send(fw, n_0, p, t_0) -> (exist n_1,t_1 : (recv(n_1, fw, p, t_1) && - // t_1 < t_0 && !acl_func(p.src,p.dest)) - constraints.add( - ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies( - (BoolExpr)nctx.send.apply(new Expr[]{ fw, n_0, p_0, t_0}), - ctx.mkExists(new Expr[]{t_1}, - ctx.mkAnd(ctx.mkLt(t_1,t_0), - ctx.mkExists(new Expr[]{n_1}, - nctx.recv.apply(n_1, fw, p_0, t_1),1,null,null,null,null), - ctx.mkNot((BoolExpr)acl_func.apply(nctx.pf.get("src").apply(p_0), nctx.pf.get("dest").apply(p_0)))),1,null,null,null,null)),1,null,null,null,null)); - - } - - private void aclConstraints(Solver solver){ - if (acls.size() == 0) - return; - Expr a_0 = ctx.mkConst(fw+"_firewall_acl_a_0", nctx.address); - Expr a_1 = ctx.mkConst(fw+"_firewall_acl_a_1", nctx.address); - BoolExpr[] acl_map = new BoolExpr[acls.size()]; - for(int y=0;y<acls.size();y++){ - Tuple<DatatypeExpr,DatatypeExpr> tp = acls.get(y); - acl_map[y] = ctx.mkOr(ctx.mkAnd(ctx.mkEq(a_0,tp._1),ctx.mkEq(a_1,tp._2)), ctx.mkAnd(ctx.mkEq(a_0,tp._2),ctx.mkEq(a_1,tp._1))); - } - //Constraint2 acl_func(a_0,a_1) == or(foreach ip1,ip2 in acl_map ((a_0 == ip1 && a_1 == ip2)||(a_0 == ip2 && a_1 == ip1))) - solver.add(ctx.mkForall(new Expr[]{a_0, a_1}, - ctx.mkEq( - acl_func.apply(a_0, a_1), - ctx.mkOr(acl_map)),1,null,null,null,null)); - } -}
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/DumbNode.java b/verigraph/service/src/mcnet/netobjs/DumbNode.java deleted file mode 100644 index 012ff40..0000000 --- a/verigraph/service/src/mcnet/netobjs/DumbNode.java +++ /dev/null @@ -1,42 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetworkObject; - -/** - * This is just a wrapper around z3 instances. The idea is that by using this we perhaps need to have - * fewer (or no) ifs to deal with the case where we don't instantiate an object for a node - * - */ -public class DumbNode extends NetworkObject { - public DumbNode(Context ctx, Object[]... args){ - super(ctx,args); - } - - @Override - protected void addConstraints(Solver solver) { - return; - } - - @Override - protected void init(Context ctx, Object[]... args) { - isEndHost=true; - this.z3Node = (DatatypeExpr)args[0][0]; - } - @Override - public DatatypeExpr getZ3Node() { - return z3Node; - } -} diff --git a/verigraph/service/src/mcnet/netobjs/EndHost.java b/verigraph/service/src/mcnet/netobjs/EndHost.java deleted file mode 100644 index 99cf732..0000000 --- a/verigraph/service/src/mcnet/netobjs/EndHost.java +++ /dev/null @@ -1,100 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; -/** - * End host network objects - * - */ -public class EndHost extends NetworkObject{ - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr node; - Network net; - NetContext nctx; - - public EndHost(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=true; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - node = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - endHostRules(); - } - - @Override - public DatatypeExpr getZ3Node() { - return node; - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - public void endHostRules (){ - Expr n_0 = ctx.mkConst("eh_"+node+"_n_0", nctx.node); - IntExpr t_0 = ctx.mkIntConst("eh_"+node+"_t_0"); - Expr p_0 = ctx.mkConst("eh_"+node+"_p_0", nctx.packet); - - //Constraint1 send(node, n_0, p, t_0) -> nodeHasAddr(node,p.src) - constraints.add( - ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies( - (BoolExpr)nctx.send.apply( new Expr[]{ node, n_0, p_0, t_0}), - (BoolExpr)nctx.nodeHasAddr.apply(new Expr[]{node, nctx.pf.get("src").apply(p_0)})),1,null,null,null,null)); - //Constraint2 send(node, n_0, p, t_0) -> p.origin == node - constraints.add( - ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies( - (BoolExpr)nctx.send.apply( new Expr[]{ node, n_0, p_0, t_0}), - ctx.mkEq(nctx.pf.get("origin").apply(p_0),node)),1,null,null,null,null)); - //Constraint3 send(node, n_0, p, t_0) -> p.orig_body == p.body - constraints.add( - ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies( - (BoolExpr)nctx.send.apply(new Expr[]{ node, n_0, p_0, t_0}), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_0),nctx.pf.get("body").apply(p_0))),1,null,null,null,null)); - //Constraint4 recv(n_0, node, p, t_0) -> nodeHasAddr(node,p.dest) - constraints.add( - ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies( - (BoolExpr)nctx.recv.apply( new Expr[]{ n_0, node, p_0, t_0}), - (BoolExpr)nctx.nodeHasAddr.apply(new Expr[]{node, nctx.pf.get("dest").apply(p_0)})),1,null,null,null,null)); - -// Just a try: here we state that an endhost is not able to issue a HTTP response traffic -// See PolitoCache.py model for constants definition (2 means HTTP_RESPONSE, 1 means HTTP_REQUEST) -// constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0}, -// ctx.mkImplies((BoolExpr)nctx.send.apply(node, n_0, p_0, t_0), -// ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(1))),1,null,null,null,null)); - } -}
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/PacketModel.java b/verigraph/service/src/mcnet/netobjs/PacketModel.java deleted file mode 100644 index 5761861..0000000 --- a/verigraph/service/src/mcnet/netobjs/PacketModel.java +++ /dev/null @@ -1,70 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - -import com.microsoft.z3.DatatypeExpr; - -/* - * Fields that can be configured -> "dest","body","seq","proto","emailFrom","url","options" - */ -public class PacketModel { - - private DatatypeExpr ip_dest; - private Integer body; - private Integer seq; - private Integer proto; - private Integer emailFrom; - private Integer url; - private Integer options; - - public DatatypeExpr getIp_dest() { - return ip_dest; - } - public void setIp_dest(DatatypeExpr ip_dest) { - this.ip_dest = ip_dest; - } - public Integer getBody() { - return body; - } - public void setBody(Integer body) { - this.body = body; - } - public Integer getSeq() { - return seq; - } - public void setSeq(Integer seq) { - this.seq = seq; - } - public Integer getProto() { - return proto; - } - public void setProto(Integer proto) { - this.proto = proto; - } - public Integer getEmailFrom() { - return emailFrom; - } - public void setEmailFrom(Integer emailFrom) { - this.emailFrom = emailFrom; - } - public Integer getUrl() { - return url; - } - public void setUrl(Integer url) { - this.url = url; - } - public Integer getOptions() { - return options; - } - public void setOptions(Integer options) { - this.options = options; - } - -} diff --git a/verigraph/service/src/mcnet/netobjs/PolitoAntispam.java b/verigraph/service/src/mcnet/netobjs/PolitoAntispam.java deleted file mode 100644 index abb4615..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoAntispam.java +++ /dev/null @@ -1,124 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; - -/** - * Model of an anti-spam node - * - */ -public class PolitoAntispam extends NetworkObject{ - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr politoAntispam; - Network net; - NetContext nctx; - FuncDecl isInBlacklist; - - public PolitoAntispam(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=false; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - politoAntispam = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - //net.saneSend(this); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoAntispam; - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - public void installAntispam (int[] blackList){ - Expr n_0 = ctx.mkConst(politoAntispam+"_n_0", nctx.node); - Expr n_1 = ctx.mkConst(politoAntispam+"_n_1", nctx.node); - Expr p_0 = ctx.mkConst(politoAntispam+"_p_0", nctx.packet); - IntExpr t_0 = ctx.mkIntConst(politoAntispam+"_t_0"); - IntExpr t_1 = ctx.mkIntConst(politoAntispam+"_t_1"); - IntExpr ef_0 = ctx.mkIntConst(politoAntispam+"_ef_0"); - - isInBlacklist = ctx.mkFuncDecl(politoAntispam+"_isInBlacklist", ctx.mkIntSort(), ctx.mkBoolSort()); - BoolExpr[] blConstraint = new BoolExpr[blackList.length]; - if(blackList.length != 0){ - for (int i=0;i<blackList.length;i++) - blConstraint[i]=(ctx.mkEq(ef_0,ctx.mkInt(blackList[i]))); - //Constraint1a if(isInBlackList(ef_0) == or(for bl in blacklist (ef_0==bl)) ? true : false - constraints.add(ctx.mkForall(new Expr[]{ef_0}, ctx.mkIff((BoolExpr)isInBlacklist.apply(ef_0),ctx.mkOr(blConstraint)),1,null,null,null,null)); - }else{ - //Constraint1b isInblackList(ef_0) == false - constraints.add(ctx.mkForall(new Expr[]{ef_0}, ctx.mkEq((BoolExpr)isInBlacklist.apply(ef_0), ctx.mkBool(false)),1,null,null,null,null)); - } - - //Constraint2 send(politoAntispam, n_0, p, t_0) && p.proto(POP3_RESP) -> - // (exist n_1,t_1 : (recv(n_1, politoAntispam, p, t_1) && t_1 < t_0)) && !isInBlackList(p.emailFrom) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies(ctx.mkAnd((BoolExpr)nctx.send.apply(politoAntispam, n_0, p_0, t_0), ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.POP3_RESPONSE))), - ctx.mkAnd( ctx.mkExists(new Expr[]{n_1, t_1}, - ctx.mkAnd((BoolExpr)nctx.recv.apply(n_1, politoAntispam, p_0, t_1), ctx.mkLt(t_1 , t_0)),1,null,null,null,null), - ctx.mkNot((BoolExpr)isInBlacklist.apply(nctx.pf.get("emailFrom").apply(p_0))))),1,null,null,null,null)); - - //Constraint3 send(politoAntispam, n_0, p, t_0) && p.proto(POP3_REQ) -> - // (exist n_1,t_1 : (recv(n_1, politoAntispam, p, t_1) && t_1 < t_0)) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies(ctx.mkAnd((BoolExpr)nctx.send.apply(politoAntispam, n_0, p_0, t_0), ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.POP3_REQUEST))), - ctx.mkAnd(ctx.mkExists(new Expr[]{n_1, t_1}, - ctx.mkAnd((BoolExpr)nctx.recv.apply(n_1, politoAntispam, p_0, t_1), - ctx.mkLt(t_1 , t_0)),1,null,null,null,null))),1,null,null,null,null)); - - //Constraint4 send(politoAntispam, politoErrFunction, p, t_0) -> - // (exist n_1,t_1 : (recv(n_1, politoAntispam, p, t_1) && t_1 < t_0 && p.emailFrom ==1)) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoAntispam, nctx.nm.get("politoErrFunction").getZ3Node(), p_0, t_0), - ctx.mkAnd(ctx.mkExists(new Expr[]{n_1, t_1}, - ctx.mkAnd((BoolExpr)nctx.recv.apply(n_1, politoAntispam, p_0, t_1), - ctx.mkLt(t_1 , t_0), - ctx.mkEq(nctx.pf.get("emailFrom").apply(p_0),ctx.mkInt(1))),1,null,null,null,null))),1,null,null,null,null)); - - //Constraint5 send(politoAntispam, n_0, p, t_0) -> p.proto == POP_REQ || p.protpo == POP_RESP - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoAntispam, n_0, p_0, t_0), - ctx.mkOr( ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.POP3_REQUEST)), - ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.POP3_RESPONSE)))),1,null,null,null,null)); - - //Constraint6 send(politoAntispam, n_0, p, t_0) -> nodeHasAddr(politoAntispam,p.src) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoAntispam, n_0, p_0, t_0), - ctx.mkNot((BoolExpr)nctx.nodeHasAddr.apply(politoAntispam,nctx.pf.get("src").apply(p_0)))),1,null,null,null,null)); - } - }
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/PolitoCache.java b/verigraph/service/src/mcnet/netobjs/PolitoCache.java deleted file mode 100644 index 948915c..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoCache.java +++ /dev/null @@ -1,177 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; -import com.microsoft.z3.Sort; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; -/**Cache Model - * - */ -public class PolitoCache extends NetworkObject{ - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr politoCache; - Network net; - NetContext nctx; - FuncDecl isInBlacklist; - - public PolitoCache(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=false; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - politoCache = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - //net.saneSend(this); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoCache; - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - public void installCache (NetworkObject[] internalNodes){ - Expr n_0 = ctx.mkConst("politoCache_"+politoCache+"_n_0", nctx.node); - Expr n_1 = ctx.mkConst("politoCache_"+politoCache+"_n_1", nctx.node); - Expr n_2 = ctx.mkConst("politoCache_"+politoCache+"_n_2", nctx.node); - Expr p_0 = ctx.mkConst("politoCache_"+politoCache+"_p_0", nctx.packet); - Expr p_1 = ctx.mkConst("politoCache_"+politoCache+"_p_1", nctx.packet); - Expr p_2 = ctx.mkConst("politoCache_"+politoCache+"_p_2", nctx.packet); - - IntExpr t_0 = ctx.mkIntConst("politoCache_"+politoCache+"_t_0"); - IntExpr t_1 = ctx.mkIntConst("politoCache_"+politoCache+"_t_1"); - IntExpr t_2 = ctx.mkIntConst("politoCache_"+politoCache+"_t_2"); - - Expr a_0 = ctx.mkConst(politoCache+"politoCache_a_0", nctx.node); - IntExpr u_0 = ctx.mkIntConst("politoCache_"+politoCache+"_u_0"); - - FuncDecl isInternalNode = ctx.mkFuncDecl(politoCache+"_isInternalNode", nctx.node, ctx.mkBoolSort()); - FuncDecl isInCache = ctx.mkFuncDecl(politoCache+"_isInCache", new Sort[]{ctx.mkIntSort(),ctx.mkIntSort()}, ctx.mkBoolSort()); - - assert(internalNodes.length!=0); //No internal nodes => Should never happen - - //Modeling the behavior of the isInternalNode() and isInCache() functions - BoolExpr[] internalNodesConstraint = new BoolExpr[internalNodes.length]; - for(int w=0;w<internalNodesConstraint.length;w++) - internalNodesConstraint[w]= (ctx.mkEq(a_0,internalNodes[w].getZ3Node())); - - //Constraint1 if(isInternalNode(a_0) == or(listadeinodiinterni) ? True : false - constraints.add( - ctx.mkForall(new Expr[]{a_0}, - ctx.mkIff((BoolExpr)isInternalNode.apply(a_0), ctx.mkOr(internalNodesConstraint)),1,null,null,null,null)); - -// constraints.add(ctx.mkForall(new Expr[]{a_0}, ctx.mkEq(isInternalNode.apply(a_0),ctx.mkOr(internalNodesConstraint)),1,null,null,null,null)); - -// constraints.add(ctx.mkForall(new Expr[]{u_0, t_0}, -// ctx.mkITE(ctx.mkExists(new Expr[]{t_1, t_2, p_1, p_2, n_1, n_2}, -// ctx.mkAnd(ctx.mkLt(t_1, t_2), -// ctx.mkLt(t_1, t_0), -// ctx.mkLt(t_2, t_0), -// (BoolExpr)nctx.recv.apply(n_1, politoCache, p_1, t_1), -// (BoolExpr)nctx.recv.apply(n_2, politoCache, p_2, t_2), -// ctx.mkEq(nctx.pf.get("proto").apply(p_1),ctx.mkInt(nctx.HTTP_REQUEST)), -// ctx.mkEq(nctx.pf.get("proto").apply(p_2),ctx.mkInt(nctx.HTTP_RESPONSE)), -// (BoolExpr)isInternalNode.apply(n_1), -// ctx.mkNot((BoolExpr)isInternalNode.apply(n_2)), -// ctx.mkEq(nctx.pf.get("url").apply(p_1),u_0), -// ctx.mkEq(nctx.pf.get("url").apply(p_2),u_0)),1,null,null,null,null), -// ctx.mkEq(isInCache.apply(u_0,t_0),ctx.mkBool(true)),ctx.mkEq(isInCache.apply(u_0,t_0),ctx.mkBool(false))),1,null,null,null,null)); -// - - //Constraint2 isInCache(u_0,t_0), exist t_1, t_2, p_1, p_2, n_1, n_2 : - // ( t_1< t_2 < t_0 && recv(n_1, politoCache, p_1, t_1) && recv(n_2, politoCache, p_2, t_2))) && - // p_1.proto == HTTP_REQ && p_2.proto == HTTP_RESP && - // isInternalNode(n_1) && !isInternalNode(n_2) && - // p_1.url == u_0 && p_2.url == u_0 ) - constraints.add( - ctx.mkForall(new Expr[]{u_0, t_0}, - ctx.mkImplies((BoolExpr)isInCache.apply(u_0, t_0), - ctx.mkExists(new Expr[]{t_1,t_2,p_1,p_2,n_1, n_2}, - ctx.mkAnd( - ctx.mkLt(t_1, t_2), - ctx.mkLt(t_1, t_0), - ctx.mkLt(t_2, t_0), - (BoolExpr)nctx.recv.apply(n_1, politoCache, p_1, t_1), - (BoolExpr)nctx.recv.apply(n_2, politoCache, p_2, t_2), - ctx.mkEq(nctx.pf.get("proto").apply(p_1), ctx.mkInt(nctx.HTTP_REQUEST)), - ctx.mkEq(nctx.pf.get("proto").apply(p_2), ctx.mkInt(nctx.HTTP_RESPONSE)), - (BoolExpr)isInternalNode.apply(n_1), - ctx.mkNot((BoolExpr)isInternalNode.apply(n_2)), - ctx.mkEq(nctx.pf.get("url").apply(p_1), u_0), - ctx.mkEq(nctx.pf.get("url").apply(p_2), u_0)),1,null,null,null,null)),1,null,null,null,null)); -// //Always in cache -// constraints.add(ctx.mkForall(new Expr[]{u_0, t_0},ctx.mkEq(isInCache.apply(u_0,t_0),ctx.mkBool(true)),1,null,null,null,null)); - - //Constraint3 Modeling the behavior of the cache - // send(politoCache, n_0, p, t_0) && !isInternalNode(n_0) -> - // (exist t_1,n_1 : - // (t_1 < t_0 && recv(n_1, politoCache, p, t_1) && - // p.proto == HTTP_REQ && !isInCache(p.url,t_0)) - constraints.add( - ctx.mkForall(new Expr[]{n_0,p_0, t_0}, - ctx.mkImplies( - ctx.mkAnd((BoolExpr)nctx.send.apply(politoCache,n_0,p_0,t_0),ctx.mkNot((BoolExpr)isInternalNode.apply(n_0))), - ctx.mkAnd(ctx.mkExists(new Expr[]{t_1, n_1}, - ctx.mkAnd( - ctx.mkLt(t_1, t_0), - (BoolExpr)isInternalNode.apply(n_1), - (BoolExpr)nctx.recv.apply(n_1, politoCache, p_0, t_1)),1,null,null,null,null), - ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.HTTP_REQUEST)), - ctx.mkNot((BoolExpr)isInCache.apply(nctx.pf.get("url").apply(p_0), t_0)))),1,null,null,null,null)); - - //Constraint4 send(politoCache, n_0, p, t_0) && isInternalNode(n_0) -> - // (exist p_1,t_1 : - // (t_1 < t_0 && recv(n_0, politoCache, p_1, t_1) && - // p_1.proto == HTTP_REQ && p.proto == HTTP_RESP && - // p_1.url == p.url && p.src == p_1.dest && p.dest==p_1.src - // && isInCache(p.url,t_0)) - constraints.add( - ctx.mkForall(new Expr[]{n_0,p_0, t_0}, - ctx.mkImplies( - ctx.mkAnd((BoolExpr)nctx.send.apply(politoCache,n_0,p_0,t_0),(BoolExpr)isInternalNode.apply(n_0)), - ctx.mkAnd(ctx.mkExists(new Expr[]{p_1, t_1}, - ctx.mkAnd( - ctx.mkLt(t_1, t_0), - (BoolExpr)nctx.recv.apply(n_0, politoCache, p_1, t_1), - ctx.mkEq(nctx.pf.get("proto").apply(p_1), ctx.mkInt(nctx.HTTP_REQUEST)), - ctx.mkEq(nctx.pf.get("url").apply(p_1), nctx.pf.get("url").apply(p_0))),1,null,null,null,null), - ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.HTTP_RESPONSE)), - ctx.mkEq(nctx.pf.get("src").apply(p_0), nctx.pf.get("dest").apply(p_1)), - ctx.mkEq(nctx.pf.get("dest").apply(p_0), nctx.pf.get("src").apply(p_1)), - (BoolExpr)isInCache.apply(nctx.pf.get("url").apply(p_0), t_0))),1,null,null,null,null)); - } -}
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/PolitoEndHost.java b/verigraph/service/src/mcnet/netobjs/PolitoEndHost.java deleted file mode 100644 index e12579f..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoEndHost.java +++ /dev/null @@ -1,100 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; - -public class PolitoEndHost extends NetworkObject { - - List<BoolExpr> constraints = new ArrayList<BoolExpr>(); - Context ctx; - DatatypeExpr politoEndHost; - Network net; - NetContext nctx; - - public PolitoEndHost(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoEndHost; - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - this.isEndHost = true; - this.politoEndHost = this.z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - this.net = (Network)args[0][1]; - this.nctx = (NetContext)args[0][2]; - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - /* - * Fields that can be configured -> "dest","body","seq","proto","emailFrom","url","options" - */ - public void installEndHost (PacketModel packet){ - System.out.println("Installing PolitoEndHost..."); - Expr n_0 = ctx.mkConst("PolitoEndHost_"+politoEndHost+"_n_0", nctx.node); - Expr p_0 = ctx.mkConst("PolitoEndHost_"+politoEndHost+"_p_0", nctx.packet); - IntExpr t_0 = ctx.mkIntConst("PolitoEndHost_"+politoEndHost+"_t_0"); - BoolExpr predicatesOnPktFields = ctx.mkTrue(); - - if(packet.getIp_dest() != null) - predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("dest").apply(p_0), packet.getIp_dest())); - if(packet.getBody() != null) - predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("body").apply(p_0), ctx.mkInt(packet.getBody()))); - if(packet.getEmailFrom() != null) - predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("emailFrom").apply(p_0), ctx.mkInt(packet.getEmailFrom()))); - if(packet.getOptions() != null) - predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("options").apply(p_0), ctx.mkInt(packet.getOptions()))); - if(packet.getProto() != null) - predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(packet.getProto()))); - if(packet.getSeq() != null) - predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("seq").apply(p_0), ctx.mkInt(packet.getSeq()))); - if(packet.getUrl() != null) - predicatesOnPktFields = ctx.mkAnd(predicatesOnPktFields, ctx.mkEq(nctx.pf.get("url").apply(p_0), ctx.mkInt(packet.getUrl()))); - - //Constraint1 send(politoWebClient, n_0, p, t_0) -> p.origin == politoWebClient && p.orig_body == p.body && nodeHasAddr(politoWebClient,p.src) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoEndHost, n_0, p_0, t_0), - ctx.mkAnd(predicatesOnPktFields, - ctx.mkEq(nctx.pf.get("orig_body").apply(p_0),nctx.pf.get("body").apply(p_0)), - ctx.mkEq(nctx.pf.get("origin").apply(p_0),politoEndHost), - (BoolExpr)nctx.nodeHasAddr.apply(politoEndHost,nctx.pf.get("src").apply(p_0)))),1,null,null,null,null)); - - //Constraint2 recv(n_0, politoWebClient, p, t_0) -> nodeHasAddr(politoWebClient,p.dest) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.recv.apply(n_0,politoEndHost, p_0, t_0), - (BoolExpr)nctx.nodeHasAddr.apply(politoEndHost,nctx.pf.get("dest").apply(p_0))),1,null,null,null,null)); - - System.out.println("Done."); - return; - } - -} diff --git a/verigraph/service/src/mcnet/netobjs/PolitoErrFunction.java b/verigraph/service/src/mcnet/netobjs/PolitoErrFunction.java deleted file mode 100644 index 5f84b9f..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoErrFunction.java +++ /dev/null @@ -1,96 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; -/**Error Function objects - * - */ -public class PolitoErrFunction extends NetworkObject{ - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr politoErrFunction; - Network net; - NetContext nctx; - FuncDecl isInBlacklist; - - public PolitoErrFunction(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=true; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - politoErrFunction = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - errFunctionRules(); - //net.saneSend(this); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoErrFunction; - } - - @Override - protected void addConstraints(Solver solver) { -// System.out.println("[ERR FUNC] Installing rules."); - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - private void errFunctionRules (){ - Expr n_0 = ctx.mkConst("PolitoErrFunction_"+politoErrFunction+"_n_0", nctx.node); - Expr p_0 = ctx.mkConst("PolitoErrFunction_"+politoErrFunction+"_p_0", nctx.packet); - IntExpr t_0 = ctx.mkIntConst("PolitoErrFunction_"+politoErrFunction+"_t_0"); - -// constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, -// ctx.mkImplies((BoolExpr)nctx.send.apply(politoErrFunction, n_0, p_0, t_0), -// (BoolExpr)nctx.nodeHasAddr.apply(politoErrFunction, nctx.pf.get("src").apply(p_0))),1,null,null,null,null)); -// constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, -// ctx.mkImplies((BoolExpr)nctx.send.apply(politoErrFunction, n_0, p_0, t_0), -// ctx.mkEq(nctx.pf.get("origin").apply(p_0), politoErrFunction)),1,null,null,null,null)); -// -// constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, -// ctx.mkImplies((BoolExpr)nctx.send.apply(politoErrFunction, n_0, p_0, t_0), -// ctx.mkEq(nctx.pf.get("orig_body").apply(p_0),nctx.pf.get("body").apply(p_0))),1,null,null,null,null)); - - -// Constraint1 We want the ErrFunction not to send out any packet -// send(politoErrFunction, n_0, p, t_0) -> 1 == 2 - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoErrFunction, n_0, p_0, t_0), - ctx.mkEq(ctx.mkInt(1),ctx.mkInt(2))),1,null,null,null,null)); - -// constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, -// ctx.mkImplies( (BoolExpr)nctx.send.apply(n_0, politoErrFunction, p_0, t_0), -// (BoolExpr)nctx.nodeHasAddr.apply(politoErrFunction, nctx.pf.get("dest").apply(p_0))),1,null,null,null,null)); - - } - }
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java b/verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java deleted file mode 100644 index 6d8d8fe..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java +++ /dev/null @@ -1,91 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; - -public class PolitoFieldModifier extends NetworkObject { - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr politoFieldModifier; - Network net; - NetContext nctx; - - public PolitoFieldModifier(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoFieldModifier; - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=false; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - politoFieldModifier = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - public void installFieldModifier (){ - Expr x = ctx.mkConst("politoFieldModifier_"+politoFieldModifier+"_x", nctx.node); - Expr y = ctx.mkConst("politoFieldModifier_"+politoFieldModifier+"_y", nctx.node); - Expr p_0 = ctx.mkConst("politoFieldModifier_"+politoFieldModifier+"_p_0", nctx.packet); - Expr p_1 = ctx.mkConst("politoFieldModifier_"+politoFieldModifier+"_p_1", nctx.packet); - - IntExpr t_0 = ctx.mkIntConst("politoFieldModifier_"+politoFieldModifier+"_t_0"); - IntExpr t_1 = ctx.mkIntConst("politoFieldModifier_"+politoFieldModifier+"_t_1"); - - constraints.add( - ctx.mkForall(new Expr[]{t_0, p_0, x}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoFieldModifier,x,p_0,t_0), - ctx.mkExists(new Expr[]{y, p_1, t_1}, - ctx.mkAnd(ctx.mkLt(t_1, t_0), - (BoolExpr)nctx.recv.apply(y, politoFieldModifier, p_1, t_1), - ctx.mkEq(nctx.pf.get("encrypted").apply(p_0), nctx.pf.get("encrypted").apply(p_1)), - ctx.mkEq(nctx.pf.get("src").apply(p_0), nctx.pf.get("src").apply(p_1)), - ctx.mkEq(nctx.pf.get("dest").apply(p_0), nctx.pf.get("dest").apply(p_1)), - ctx.mkEq(nctx.pf.get("inner_src").apply(p_0), nctx.pf.get("inner_src").apply(p_1)), - ctx.mkEq(nctx.pf.get("inner_dest").apply(p_0), nctx.pf.get("inner_dest").apply(p_1)), - ctx.mkEq(nctx.pf.get("origin").apply(p_0), nctx.pf.get("origin").apply(p_1)), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_0), nctx.pf.get("orig_body").apply(p_1)), - ctx.mkEq(nctx.pf.get("body").apply(p_0), nctx.pf.get("body").apply(p_1)), - ctx.mkEq(nctx.pf.get("seq").apply(p_0), nctx.pf.get("seq").apply(p_1)), - ctx.mkEq(nctx.pf.get("proto").apply(p_0), nctx.pf.get("proto").apply(p_1)), - ctx.mkEq(nctx.pf.get("emailFrom").apply(p_0), nctx.pf.get("emailFrom").apply(p_1)), - ctx.mkNot(ctx.mkEq(nctx.pf.get("url").apply(p_0), nctx.pf.get("url").apply(p_1))), - ctx.mkEq(nctx.pf.get("options").apply(p_0), nctx.pf.get("options").apply(p_1))),1,null,null,null,null)), - 1,null,null,null,null)); - } - -}
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/PolitoIDS.java b/verigraph/service/src/mcnet/netobjs/PolitoIDS.java deleted file mode 100644 index 6f2cddf..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoIDS.java +++ /dev/null @@ -1,140 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; - -public class PolitoIDS extends NetworkObject { - - public static final int DROGA = 1; //no go - public static final int GATTINI = 2; //go - - Context ctx; - List<BoolExpr> constraints = new ArrayList<BoolExpr>(); - DatatypeExpr politoIDS; - Network net; - NetContext nctx; - FuncDecl isInBlacklist; - - - public PolitoIDS(Context ctx, Object[]...args){ - super(ctx, args); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoIDS; - } - - @Override - protected void init(Context ctx, Object[]... args) { - - this.ctx = ctx; - this.isEndHost = false; - this.politoIDS = this.z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - this.net = (Network)args[0][1]; - this.nctx = (NetContext)args[0][2]; - - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - - } - - public void installIDS(int[] blackList){ - Expr n_0 = ctx.mkConst(politoIDS + "_n_0", nctx.node); - Expr n_1 = ctx.mkConst(politoIDS + "_n_1", nctx.node); - Expr p_0 = ctx.mkConst(politoIDS + "_p_0", nctx.packet); - IntExpr t_0 = ctx.mkIntConst(politoIDS + "_t_0"); - IntExpr t_1 = ctx.mkIntConst(politoIDS + "_t_1"); - Expr b_0 = ctx.mkIntConst(politoIDS + "_b_0"); - - isInBlacklist = ctx.mkFuncDecl(politoIDS + "_isInBlacklist", ctx.mkIntSort(), ctx.mkBoolSort()); - - - BoolExpr[] blConstraints = new BoolExpr[blackList.length]; - if(blackList.length != 0){ - - for(int i = 0; i<blackList.length; i++) - blConstraints[i] = ctx.mkEq(b_0, ctx.mkInt(blackList[i])); - - this.constraints.add(ctx.mkForall(new Expr[]{b_0}, - ctx.mkIff((BoolExpr)isInBlacklist.apply(b_0), ctx.mkOr(blConstraints)), - 1, - null, null, null, null)); - }else{ - this.constraints.add(ctx.mkForall(new Expr[]{b_0}, - ctx.mkEq(isInBlacklist.apply(b_0), ctx.mkBool(false)), - 1, - null, null, null, null)); - } - - //Constraint2 send(politoIDS, n_0, p, t_0) && (p.proto(HTTP_RESPONSE) || p.proto(HTTP_REQUEST)) -> - // (exist n_1,t_1 : (recv(n_1, politoIDS, p, t_1) && t_1 < t_0)) && !isInBlackList(p.body) - - this.constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies(ctx.mkAnd((BoolExpr)nctx.send.apply(politoIDS, n_0, p_0, t_0), ctx.mkOr(ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.HTTP_RESPONSE)), ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.HTTP_REQUEST)))), - ctx.mkAnd(ctx.mkExists(new Expr[]{n_1,t_1}, - ctx.mkAnd((BoolExpr)nctx.recv.apply(n_1,politoIDS,p_0,t_1),ctx.mkLt(t_1, t_0)), - 1, - null, null, null, null), - ctx.mkNot((BoolExpr)isInBlacklist.apply(nctx.pf.get("body").apply(p_0))))), - 1, - null, null, null, null)); - - //Constraint3 send(politoIDS, n_0, p, t_0) && p.proto(HTTP_REQUEST) -> - // (exist n_1,t_1 : (recv(n_1, politoIDS, p, t_1) && t_1 < t_0)) Constraint not needed anymore (included in contr. 2) - /* - this.constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies(ctx.mkAnd((BoolExpr)nctx.send.apply(politoIDS, n_0, p_0, t_0), ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.HTTP_REQUEST))), - ctx.mkAnd(ctx.mkExists(new Expr[]{n_1,t_1}, - ctx.mkAnd((BoolExpr)nctx.recv.apply(n_1,politoIDS,p_0,t_1),ctx.mkLt(t_1, t_0)), - 1, - null, null, null, null))), - 1, - null, null, null, null)); - */ - - //Constraint5 send(politoIDS, n_0, p, t_0) -> p.proto == HTTP_REQ || p.protpo == HTTP_RESP - - this.constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoIDS, n_0, p_0, t_0), - ctx.mkOr(ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.HTTP_REQUEST)), - ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.HTTP_RESPONSE)))), - 1, - null,null,null,null)); - - //Constraint6 send(politoIDS, n_0, p, t_0) -> nodeHasAddr(politoIDS,p.src) - - this.constraints.add(ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoIDS, n_0, p_0, t_0), - ctx.mkNot((BoolExpr)nctx.nodeHasAddr.apply(politoIDS,nctx.pf.get("src").apply(p_0)))), - 1, - null,null,null,null)); - - } - -} diff --git a/verigraph/service/src/mcnet/netobjs/PolitoMailClient.java b/verigraph/service/src/mcnet/netobjs/PolitoMailClient.java deleted file mode 100644 index 6925258..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoMailClient.java +++ /dev/null @@ -1,106 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; -/** - * MailClient objects - * - */ -public class PolitoMailClient extends NetworkObject{ - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr politoMailClient; - Network net; - NetContext nctx; - FuncDecl isInBlacklist; - - public PolitoMailClient(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=true; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - politoMailClient = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - DatatypeExpr ipServer = (DatatypeExpr) args[0][3]; - mailClientRules(ipServer); - //net.saneSend(this); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoMailClient; - } - - @Override - protected void addConstraints(Solver solver) { -// System.out.println("[MailClient] Installing rules."); - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - private void mailClientRules (DatatypeExpr ipServer){ - Expr n_0 = ctx.mkConst("PolitoMailClient_"+politoMailClient+"_n_0", nctx.node); - Expr p_0 = ctx.mkConst("PolitoMailClient_"+politoMailClient+"_p_0", nctx.packet); - IntExpr t_0 = ctx.mkIntConst("PolitoMailClient_"+politoMailClient+"_t_0"); - -// Constraint1 send(politoMailClient, n_0, p, t_0) -> nodeHasAddr(politoMailClient,p.src) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailClient, n_0, p_0, t_0), - (BoolExpr)nctx.nodeHasAddr.apply(politoMailClient,nctx.pf.get("src").apply(p_0))),1,null,null,null,null)); - -// Constraint2 send(politoMailClient, n_0, p, t_0) -> p.origin == politoMailClient - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailClient, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("origin").apply(p_0),politoMailClient)),1,null,null,null,null)); - -// Constraint3 send(politoMailClient, n_0, p, t_0) -> p.orig_body == p.body - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailClient, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_0),nctx.pf.get("body").apply(p_0))),1,null,null,null,null)); - -// Constraint4 recv(n_0, politoMailClient, p, t_0) -> nodeHasAddr(politoMailClient,p.dest) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.recv.apply(n_0,politoMailClient, p_0, t_0), - (BoolExpr)nctx.nodeHasAddr.apply(politoMailClient,nctx.pf.get("dest").apply(p_0))),1,null,null,null,null)); - -// Constraint5 This client is only able to produce POP3 requests -// send(politoMailClient, n_0, p, t_0) -> p.proto == POP3_REQ - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailClient, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.POP3_REQUEST))),1,null,null,null,null)); - -// Constraint6 send(politoMailClient, n_0, p, t_0) -> p.dest == ip_mailServer - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailClient, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("dest").apply(p_0), ipServer)),1,null,null,null,null)); - } -} diff --git a/verigraph/service/src/mcnet/netobjs/PolitoMailServer.java b/verigraph/service/src/mcnet/netobjs/PolitoMailServer.java deleted file mode 100644 index c464195..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoMailServer.java +++ /dev/null @@ -1,117 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; -/** Mail server objects - * - */ -public class PolitoMailServer extends NetworkObject{ - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr politoMailServer; - Network net; - NetContext nctx; - FuncDecl isInBlacklist; - - public PolitoMailServer(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=false; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - politoMailServer = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - mailServerRules(); - net.saneSend(this); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoMailServer; - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - private void mailServerRules (){ - Expr n_0 = ctx.mkConst(politoMailServer+"_n_0", nctx.node); - Expr p_0 = ctx.mkConst(politoMailServer+"_p_0", nctx.packet); - Expr p_1 = ctx.mkConst(politoMailServer+"_p_1", nctx.packet); - IntExpr t_0 = ctx.mkIntConst(politoMailServer+"_t_0"); - IntExpr t_1 = ctx.mkIntConst(politoMailServer+"_t_1"); - -// Constraint1 send(politoMailServer, n_0, p, t_0) -> nodeHasAddr(politoMailServer,p.src) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailServer, n_0, p_0, t_0), - (BoolExpr)nctx.nodeHasAddr.apply(politoMailServer,nctx.pf.get("src").apply(p_0))),1,null,null,null,null)); - -// Constraint2 send(politoMailServer, n_0, p, t_0) -> p.origin == politoMailServer - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailServer, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("origin").apply(p_0),politoMailServer)),1,null,null,null,null)); - -// Constraint3 send(politoMailServer, n_0, p, t_0) -> p.orig_body == p.body - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailServer, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_0),nctx.pf.get("body").apply(p_0))),1,null,null,null,null)); - -// Constraint4 recv(n_0, politoMailServer, p, t_0) -> nodeHasAddr(politoMailServer,p.dest) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.recv.apply(n_0,politoMailServer, p_0, t_0), - (BoolExpr)nctx.nodeHasAddr.apply(politoMailServer,nctx.pf.get("dest").apply(p_0))),1,null,null,null,null)); - -// Constraint5 send(politoMailServer, n_0, p, t_0) -> p.proto == POP3_RESP && p.emailFrom == 1 - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailServer, n_0, p_0, t_0), - ctx.mkAnd( ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.POP3_RESPONSE)), - ctx.mkEq(nctx.pf.get("emailFrom").apply(p_0), ctx.mkInt(1)))),1,null,null,null,null)); - -// Constraint6 send(politoMailServer, n_0, p, t_0) -> -// (exist p_1, t_1 : (t_1 < t_0 && recv(n_0, politoMailServer, p_1, t_1) && -// p_0.proto == POP3_RESP && p_1.proto == POP3_REQ && p_0.dest == p_1.src ) - - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailServer, n_0, p_0, t_0), - ctx.mkExists(new Expr[]{p_1, t_1}, - ctx.mkAnd(ctx.mkLt(t_1, t_0), - (BoolExpr)nctx.recv.apply(n_0, politoMailServer, p_1, t_1), - ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.POP3_RESPONSE)), - ctx.mkEq(nctx.pf.get("proto").apply(p_1), ctx.mkInt(nctx.POP3_REQUEST)), - ctx.mkEq(nctx.pf.get("dest").apply(p_0), nctx.pf.get("src").apply(p_1))),1,null,null,null,null)),1,null,null,null,null)); - -// constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, -// ctx.mkImplies((BoolExpr)nctx.send.apply(politoMailServer, n_0, p_0, t_0), -// ctx.mkEq(nctx.pf.get("emailFrom").apply(p_0),ctx.mkInt(2))),1,null,null,null,null)); - } -}
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/PolitoNF.java b/verigraph/service/src/mcnet/netobjs/PolitoNF.java deleted file mode 100644 index 53cae28..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoNF.java +++ /dev/null @@ -1,101 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; -import com.microsoft.z3.Sort; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; - -/** First example of custom network function: a simple filter - * - */ -public class PolitoNF extends NetworkObject{ - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr politoNF; - Network net; - NetContext nctx; - FuncDecl isInBlacklist; - - - public PolitoNF(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=false; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - politoNF = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - //net.saneSend(this); - } - - public void politoNFRules (DatatypeExpr ipA,DatatypeExpr ipB){ -// System.out.println("[PolitoNf] Installing rules"); - Expr n_0 = ctx.mkConst("politoNF_"+politoNF+"_n_0", nctx.node); - Expr n_1 = ctx.mkConst("politoNF_"+politoNF+"_n_1", nctx.node); - Expr p_0 = ctx.mkConst("politoNF_"+politoNF+"_p_0", nctx.packet); - IntExpr t_0 = ctx.mkIntConst("politoNF_"+politoNF+"_t_0"); - IntExpr t_1 = ctx.mkIntConst("politoNF_"+politoNF+"_t_1"); - Expr a_0 = ctx.mkConst(politoNF+"_politoNF_a_0", nctx.address); - Expr a_1 = ctx.mkConst(politoNF+"_politoNF_a_1", nctx.address); - - FuncDecl myFunction = ctx.mkFuncDecl(politoNF+"_myFunction", new Sort[]{nctx.address,nctx.address}, ctx.mkBoolSort()); - - BoolExpr myConstraint = ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoNF, n_0, p_0, t_0), - ctx.mkExists(new Expr[]{n_1, t_1}, - ctx.mkAnd((BoolExpr)nctx.recv.apply(n_1, politoNF, p_0, t_1), - ctx.mkLt(t_1 , t_0), - (BoolExpr)myFunction.apply(nctx.pf.get("src").apply(p_0), nctx.pf.get("dest").apply(p_0))),1,null,null,null,null)),1,null,null,null,null); - - BoolExpr funcConstraint = ctx.mkOr(ctx.mkAnd(ctx.mkEq(a_0, ipA), ctx.mkEq(a_1, ipB)), ctx.mkAnd(ctx.mkEq(a_0,ipB), ctx.mkEq(a_1,ipA))); - - // Constraint1 myFunction(a_0,a_1) == ((a_0 == ipA && a_1 == ipB) || (a_0 == ipB && a_1 == ipA)) - constraints.add( - ctx.mkForall(new Expr[]{a_0,a_1}, - ctx.mkEq(myFunction.apply(a_0, a_1), funcConstraint),1,null,null,null,null)); - - //Constraint2 send(politoNF, n_0, p, t_0) -> - // (exist n_1,t_1 : (t_1 < t_0 && recv(n_1, politoNF, p, t_1) && myFunction(p.src,p.dest)) - constraints.add(myConstraint); - - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoNF; - } - - }
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/PolitoNat.java b/verigraph/service/src/mcnet/netobjs/PolitoNat.java deleted file mode 100644 index 6d8a36d..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoNat.java +++ /dev/null @@ -1,176 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; -/** - * NAT Model object - * - */ -public class PolitoNat extends NetworkObject{ - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr nat; - List<DatatypeExpr> private_addresses; - List<NetworkObject> private_node; - Network net; - NetContext nctx; - FuncDecl private_addr_func ; - - public PolitoNat(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=false; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - nat = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - private_addresses = new ArrayList<DatatypeExpr>(); - private_node = new ArrayList<NetworkObject>(); - net.saneSend(this); - } - - @Override - public DatatypeExpr getZ3Node() { - return nat; - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - /* - private void addPrivateAdd(List<DatatypeExpr> address){ - private_addresses.addAll(address); - } - */ - - public List<DatatypeExpr> getPrivateAddress(){ - return private_addresses; - } - - public void natModel(DatatypeExpr natIp){ - Expr x = ctx.mkConst("x", nctx.node); - Expr y = ctx.mkConst("y", nctx.node); - Expr z = ctx.mkConst("z", nctx.node); - - Expr p_0 = ctx.mkConst("p_0", nctx.packet); - Expr p_1 = ctx.mkConst("p_1", nctx.packet); - Expr p_2 = ctx.mkConst("p_2", nctx.packet); - - IntExpr t_0 = ctx.mkIntConst("t_0"); - IntExpr t_1 = ctx.mkIntConst("t_1"); - IntExpr t_2 = ctx.mkIntConst("t_2"); - -// private_addr_func = ctx.mkFuncDecl("private_addr_func", nctx.address, ctx.mkBoolSort()); - private_addr_func = ctx.mkFuncDecl(nat + "_nat_func", nctx.address, ctx.mkBoolSort()); - - //Constraint1 -// "send(nat, x, p_0, t_0) && !private_addr_func(p_0.dest) -> -// p_0.src == ip_politoNat && -// (exist y, p_1,t_1 : -// (recv(y, nat, p_1, t_1) && t_1 < t_0 && -// private_addr_func(p1.src) && -// p_1.origin == p_0.origin && -// same for p_1.<dest,orig_body,body,seq,proto,emailFrom,url,options> == p_0.<...>) " - constraints.add( ctx.mkForall(new Expr[]{t_0, p_0, x}, - ctx.mkImplies( - ctx.mkAnd((BoolExpr)nctx.send.apply(nat, x, p_0, t_0), - ctx.mkNot((BoolExpr)private_addr_func.apply(nctx.pf.get("dest").apply(p_0)))), - ctx.mkAnd( - ctx.mkEq(nctx.pf.get("src").apply(p_0),natIp), - ctx.mkExists(new Expr[]{y, p_1, t_1}, - ctx.mkAnd( - (BoolExpr)nctx.recv.apply(y, nat, p_1, t_1), - ctx.mkLt(t_1 , t_0), - (BoolExpr)private_addr_func.apply(nctx.pf.get("src").apply(p_1)), - ctx.mkEq(nctx.pf.get("origin").apply(p_1),nctx.pf.get("origin").apply(p_0)), - ctx.mkEq(nctx.pf.get("dest").apply(p_1),nctx.pf.get("dest").apply(p_0)), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_1),nctx.pf.get("orig_body").apply(p_0)), - ctx.mkEq(nctx.pf.get("body").apply(p_1),nctx.pf.get("body").apply(p_0)), - ctx.mkEq(nctx.pf.get("seq").apply(p_1),nctx.pf.get("seq").apply(p_0)), - ctx.mkEq(nctx.pf.get("proto").apply(p_1),nctx.pf.get("proto").apply(p_0)), - ctx.mkEq(nctx.pf.get("emailFrom").apply(p_1),nctx.pf.get("emailFrom").apply(p_0)), - ctx.mkEq(nctx.pf.get("url").apply(p_1),nctx.pf.get("url").apply(p_0)), - ctx.mkEq(nctx.pf.get("options").apply(p_1),nctx.pf.get("options").apply(p_0))),1,null,null,null,null))),1,null,null,null,null)); - - //Constraint2 -// send(nat, x, p_0, t_0) && private_addr_func(p_0.dest) -> -// !private_addr_func(p_0.src) && -// (exist y, p_1,t_1 : -// (recv(y, nat, p_1, t_1) && t_1 < t_0 && -// !private_addr_func(p1.src) && -// p_1.dest == ip_politoNat && -// p_1.origin == p_0.origin && -// same for p_1.<src,orig_body,body,seq,proto,emailFrom,url,options> == p_0.<...>) - constraints.add( ctx.mkForall(new Expr[]{x, p_0, t_0}, - ctx.mkImplies( - ctx.mkAnd((BoolExpr)nctx.send.apply(nat, x, p_0, t_0), - (BoolExpr)private_addr_func.apply(nctx.pf.get("dest").apply(p_0))), - ctx.mkAnd( - ctx.mkNot((BoolExpr)private_addr_func.apply(nctx.pf.get("src").apply(p_0))), - ctx.mkExists(new Expr[]{y, p_1, t_1}, - ctx.mkAnd( - ctx.mkLt(t_1 , t_0), - (BoolExpr)nctx.recv.apply(y, nat, p_1, t_1), - ctx.mkNot((BoolExpr)private_addr_func.apply(nctx.pf.get("src").apply(p_1))), - ctx.mkEq(nctx.pf.get("dest").apply(p_1),natIp), - ctx.mkEq(nctx.pf.get("src").apply(p_1),nctx.pf.get("src").apply(p_0)), - ctx.mkEq(nctx.pf.get("origin").apply(p_0),nctx.pf.get("origin").apply(p_1)), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_1),nctx.pf.get("orig_body").apply(p_0)), - ctx.mkEq(nctx.pf.get("body").apply(p_1),nctx.pf.get("body").apply(p_0)), - ctx.mkEq(nctx.pf.get("seq").apply(p_1),nctx.pf.get("seq").apply(p_0)), - ctx.mkEq(nctx.pf.get("proto").apply(p_1),nctx.pf.get("proto").apply(p_0)), - ctx.mkEq(nctx.pf.get("emailFrom").apply(p_1),nctx.pf.get("emailFrom").apply(p_0)), - ctx.mkEq(nctx.pf.get("url").apply(p_1),nctx.pf.get("url").apply(p_0)), - ctx.mkEq(nctx.pf.get("options").apply(p_1),nctx.pf.get("options").apply(p_0)), - ctx.mkExists(new Expr[]{z, p_2, t_2}, - ctx.mkAnd( - ctx.mkLt(t_2 , t_1), - (BoolExpr)nctx.recv.apply(z, nat, p_2, t_2), - (BoolExpr)private_addr_func.apply(nctx.pf.get("src").apply(p_2)), - ctx.mkEq(nctx.pf.get("src").apply(p_1),nctx.pf.get("dest").apply(p_2)), - ctx.mkEq(nctx.pf.get("src").apply(p_0),nctx.pf.get("dest").apply(p_2)), - ctx.mkEq(nctx.pf.get("src").apply(p_2),nctx.pf.get("dest").apply(p_0))),1,null,null,null,null)),1,null,null,null,null))),1,null,null,null,null)); - } - - public void setInternalAddress(ArrayList<DatatypeExpr> internalAddress){ - List<BoolExpr> constr = new ArrayList<BoolExpr>(); - Expr n_0 = ctx.mkConst("nat_node", nctx.address); - - for(DatatypeExpr n : internalAddress){ - constr.add(ctx.mkEq(n_0,n)); - } - BoolExpr[] constrs = new BoolExpr[constr.size()]; - //Constraint private_addr_func(n_0) == or(n_0==n foreach internal address) - constraints.add(ctx.mkForall(new Expr[]{n_0}, ctx.mkEq(private_addr_func.apply(n_0),ctx.mkOr(constr.toArray(constrs))),1,null,null,null,null)); - } -}
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/PolitoVpnAccess.java b/verigraph/service/src/mcnet/netobjs/PolitoVpnAccess.java deleted file mode 100644 index e6fc5fe..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoVpnAccess.java +++ /dev/null @@ -1,142 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; - -public class PolitoVpnAccess extends NetworkObject { - - List<BoolExpr> constraints = new ArrayList<BoolExpr>(); - DatatypeExpr politoVpnAccess; - FuncDecl private_addr_func; - NetContext nctx; - Context ctx; - Network net; - - public PolitoVpnAccess(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoVpnAccess; - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - this.isEndHost = false; - this.politoVpnAccess = this.z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - this.net = (Network)args[0][1]; - this.nctx = (NetContext)args[0][2]; - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - public void vpnAccessModel(DatatypeExpr vpnAccessIp, DatatypeExpr vpnExitIp) { - Expr x = ctx.mkConst("vpn_x", nctx.node); - Expr y = ctx.mkConst("vpn_y", nctx.node); - - Expr p_0 = ctx.mkConst("vpn_p_0", nctx.packet); - Expr p_1 = ctx.mkConst("vpn_p_1", nctx.packet); - - IntExpr t_0 = ctx.mkIntConst("vpn_t_0"); - IntExpr t_1 = ctx.mkIntConst("vpn_t_1"); - - private_addr_func = ctx.mkFuncDecl("vpn_private_addr_func", nctx.address, ctx.mkBoolSort()); - - BoolExpr constraint1 = ctx.mkForall(new Expr[]{t_0, p_0, x}, - ctx.mkImplies(ctx.mkAnd( - (BoolExpr)nctx.send.apply(politoVpnAccess, x, p_0, t_0), - ctx.mkEq(nctx.pf.get("inner_src").apply(p_0), nctx.am.get("null"))), - ctx.mkAnd( - (BoolExpr)private_addr_func.apply(nctx.pf.get("dest").apply(p_0)), - ctx.mkNot((BoolExpr)nctx.pf.get("encrypted").apply(p_0)), - ctx.mkExists(new Expr[]{y, p_1, t_1}, - ctx.mkAnd((BoolExpr)nctx.recv.apply(y, politoVpnAccess, p_1, t_1), - ctx.mkLt(t_1, t_0), - (BoolExpr)nctx.pf.get("encrypted").apply(p_1), - ctx.mkEq(nctx.pf.get("src").apply(p_1), vpnExitIp), - ctx.mkEq(nctx.pf.get("dest").apply(p_1), vpnAccessIp), - ctx.mkEq(nctx.pf.get("inner_src").apply(p_1), nctx.pf.get("src").apply(p_0)), - ctx.mkEq(nctx.pf.get("inner_dest").apply(p_1), nctx.pf.get("dest").apply(p_0)), - ctx.mkEq(nctx.pf.get("origin").apply(p_1), nctx.pf.get("origin").apply(p_0)), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_1), nctx.pf.get("orig_body").apply(p_0)), - ctx.mkEq(nctx.pf.get("body").apply(p_1), nctx.pf.get("body").apply(p_0)), - ctx.mkEq(nctx.pf.get("seq").apply(p_1), nctx.pf.get("seq").apply(p_0)), - ctx.mkEq(nctx.pf.get("proto").apply(p_1), nctx.pf.get("proto").apply(p_0)), - ctx.mkEq(nctx.pf.get("emailFrom").apply(p_1), nctx.pf.get("emailFrom").apply(p_0)), - ctx.mkEq(nctx.pf.get("url").apply(p_1), nctx.pf.get("url").apply(p_0)), - ctx.mkEq(nctx.pf.get("options").apply(p_1), nctx.pf.get("options").apply(p_0))), 1, null, null, null, null))), - 1,null,null,null,null); - - constraints.add(constraint1); - - BoolExpr constraint2 = ctx.mkForall(new Expr[]{t_0, p_0, x}, - ctx.mkImplies(ctx.mkAnd( - (BoolExpr)nctx.send.apply(politoVpnAccess, x, p_0, t_0), - ctx.mkNot(ctx.mkEq(nctx.pf.get("inner_src").apply(p_0), nctx.am.get("null")))), - ctx.mkAnd( - ctx.mkEq(nctx.pf.get("src").apply(p_0), vpnAccessIp), - ctx.mkEq(nctx.pf.get("dest").apply(p_0), vpnExitIp), - (BoolExpr)private_addr_func.apply(nctx.pf.get("inner_src").apply(p_0)), - ctx.mkNot(ctx.mkEq(nctx.pf.get("inner_dest").apply(p_0), vpnAccessIp)), - (BoolExpr)nctx.pf.get("encrypted").apply(p_0), - ctx.mkExists(new Expr[]{y, p_1, t_1}, - ctx.mkAnd((BoolExpr)nctx.recv.apply(y, politoVpnAccess, p_1, t_1), - ctx.mkLt(t_1, t_0), - ctx.mkNot((BoolExpr)nctx.pf.get("encrypted").apply(p_1)), - ctx.mkEq(nctx.pf.get("src").apply(p_1), nctx.pf.get("inner_src").apply(p_0)), - ctx.mkEq(nctx.pf.get("dest").apply(p_1), nctx.pf.get("inner_dest").apply(p_0)), - ctx.mkEq(nctx.pf.get("inner_src").apply(p_1), nctx.am.get("null")), - ctx.mkEq(nctx.pf.get("inner_dest").apply(p_1), nctx.am.get("null")), - ctx.mkEq(nctx.pf.get("origin").apply(p_1), nctx.pf.get("origin").apply(p_0)), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_1), nctx.pf.get("orig_body").apply(p_0)), - ctx.mkEq(nctx.pf.get("body").apply(p_1), nctx.pf.get("body").apply(p_0)), - ctx.mkEq(nctx.pf.get("seq").apply(p_1), nctx.pf.get("seq").apply(p_0)), - ctx.mkEq(nctx.pf.get("proto").apply(p_1), nctx.pf.get("proto").apply(p_0)), - ctx.mkEq(nctx.pf.get("emailFrom").apply(p_1), nctx.pf.get("emailFrom").apply(p_0)), - ctx.mkEq(nctx.pf.get("url").apply(p_1), nctx.pf.get("url").apply(p_0)), - ctx.mkEq(nctx.pf.get("options").apply(p_1), nctx.pf.get("options").apply(p_0))), 1, null, null, null, null))), - 1,null,null,null,null); - - constraints.add(constraint2); - } - - public void setInternalAddress(ArrayList<DatatypeExpr> internalAddress){ - List<BoolExpr> constr = new ArrayList<BoolExpr>(); - Expr n_0 = ctx.mkConst("vpn_node", nctx.address); - - for(DatatypeExpr n : internalAddress){ - constr.add(ctx.mkEq(n_0,n)); - } - BoolExpr[] constrs = new BoolExpr[constr.size()]; - //Constraint private_addr_func(n_0) == or(n_0==n foreach internal address) - constraints.add(ctx.mkForall(new Expr[]{n_0}, ctx.mkEq(private_addr_func.apply(n_0),ctx.mkOr(constr.toArray(constrs))),1,null,null,null,null)); - } - -}
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/PolitoVpnExit.java b/verigraph/service/src/mcnet/netobjs/PolitoVpnExit.java deleted file mode 100644 index fb2341f..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoVpnExit.java +++ /dev/null @@ -1,142 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; - -public class PolitoVpnExit extends NetworkObject { - - List<BoolExpr> constraints = new ArrayList<BoolExpr>(); - DatatypeExpr politoVpnExit; - FuncDecl private_addr_func; - NetContext nctx; - Context ctx; - Network net; - - public PolitoVpnExit(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoVpnExit; - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - this.isEndHost = false; - this.politoVpnExit = this.z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - this.net = (Network)args[0][1]; - this.nctx = (NetContext)args[0][2]; - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - public void vpnAccessModel(DatatypeExpr vpnAccessIp, DatatypeExpr vpnExitIp) { - Expr x = ctx.mkConst("vpn_x", nctx.node); - Expr y = ctx.mkConst("vpn_y", nctx.node); - - Expr p_0 = ctx.mkConst("vpn_p_0", nctx.packet); - Expr p_1 = ctx.mkConst("vpn_p_1", nctx.packet); - - IntExpr t_0 = ctx.mkIntConst("vpn_t_0"); - IntExpr t_1 = ctx.mkIntConst("vpn_t_1"); - - private_addr_func = ctx.mkFuncDecl("vpn_private_addr_func", nctx.address, ctx.mkBoolSort()); - - BoolExpr constraint1 = ctx.mkForall(new Expr[]{t_0, p_0, x}, - ctx.mkImplies(ctx.mkAnd( - (BoolExpr)nctx.send.apply(politoVpnExit, x, p_0, t_0), - ctx.mkEq(nctx.pf.get("inner_src").apply(p_0), nctx.am.get("null"))), - ctx.mkAnd( - (BoolExpr)private_addr_func.apply(nctx.pf.get("src").apply(p_0)), - ctx.mkNot((BoolExpr)nctx.pf.get("encrypted").apply(p_0)), - ctx.mkExists(new Expr[]{y, p_1, t_1}, - ctx.mkAnd((BoolExpr)nctx.recv.apply(y, politoVpnExit, p_1, t_1), - ctx.mkLt(t_1, t_0), - (BoolExpr)nctx.pf.get("encrypted").apply(p_1), - ctx.mkEq(nctx.pf.get("src").apply(p_1), vpnAccessIp), - ctx.mkEq(nctx.pf.get("dest").apply(p_1), vpnExitIp), - ctx.mkEq(nctx.pf.get("inner_src").apply(p_1), nctx.pf.get("src").apply(p_0)), - ctx.mkEq(nctx.pf.get("inner_dest").apply(p_1), nctx.pf.get("dest").apply(p_0)), - ctx.mkEq(nctx.pf.get("origin").apply(p_1), nctx.pf.get("origin").apply(p_0)), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_1), nctx.pf.get("orig_body").apply(p_0)), - ctx.mkEq(nctx.pf.get("body").apply(p_1), nctx.pf.get("body").apply(p_0)), - ctx.mkEq(nctx.pf.get("seq").apply(p_1), nctx.pf.get("seq").apply(p_0)), - ctx.mkEq(nctx.pf.get("proto").apply(p_1), nctx.pf.get("proto").apply(p_0)), - ctx.mkEq(nctx.pf.get("emailFrom").apply(p_1), nctx.pf.get("emailFrom").apply(p_0)), - ctx.mkEq(nctx.pf.get("url").apply(p_1), nctx.pf.get("url").apply(p_0)), - ctx.mkEq(nctx.pf.get("options").apply(p_1), nctx.pf.get("options").apply(p_0))), 1, null, null, null, null))), - 1,null,null,null,null); - - constraints.add(constraint1); - - BoolExpr constraint2 = ctx.mkForall(new Expr[]{t_0, p_0, x}, - ctx.mkImplies(ctx.mkAnd( - (BoolExpr)nctx.send.apply(politoVpnExit, x, p_0, t_0), - ctx.mkNot(ctx.mkEq(nctx.pf.get("inner_src").apply(p_0), nctx.am.get("null")))), - ctx.mkAnd( - ctx.mkEq(nctx.pf.get("src").apply(p_0), vpnExitIp), - ctx.mkEq(nctx.pf.get("dest").apply(p_0), vpnAccessIp), - (BoolExpr)private_addr_func.apply(nctx.pf.get("dest").apply(p_0)), - ctx.mkNot(ctx.mkEq(nctx.pf.get("inner_dest").apply(p_1), vpnExitIp)), - (BoolExpr)nctx.pf.get("encrypted").apply(p_0), - ctx.mkExists(new Expr[]{y, p_1, t_1}, - ctx.mkAnd((BoolExpr)nctx.recv.apply(y, politoVpnExit, p_1, t_1), - ctx.mkLt(t_1, t_0), - ctx.mkNot((BoolExpr)nctx.pf.get("encrypted").apply(p_1)), - ctx.mkEq(nctx.pf.get("src").apply(p_1), nctx.pf.get("inner_src").apply(p_0)), - ctx.mkEq(nctx.pf.get("dest").apply(p_1), nctx.pf.get("inner_dest").apply(p_0)), - ctx.mkEq(nctx.pf.get("inner_src").apply(p_1), nctx.am.get("null")), - ctx.mkEq(nctx.pf.get("inner_dest").apply(p_1), nctx.am.get("null")), - ctx.mkEq(nctx.pf.get("origin").apply(p_1), nctx.pf.get("origin").apply(p_0)), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_1), nctx.pf.get("orig_body").apply(p_0)), - ctx.mkEq(nctx.pf.get("body").apply(p_1), nctx.pf.get("body").apply(p_0)), - ctx.mkEq(nctx.pf.get("seq").apply(p_1), nctx.pf.get("seq").apply(p_0)), - ctx.mkEq(nctx.pf.get("proto").apply(p_1), nctx.pf.get("proto").apply(p_0)), - ctx.mkEq(nctx.pf.get("emailFrom").apply(p_1), nctx.pf.get("emailFrom").apply(p_0)), - ctx.mkEq(nctx.pf.get("url").apply(p_1), nctx.pf.get("url").apply(p_0)), - ctx.mkEq(nctx.pf.get("options").apply(p_1), nctx.pf.get("options").apply(p_0))), 1, null, null, null, null))), - 1,null,null,null,null); - - constraints.add(constraint2); - } - - public void setInternalAddress(ArrayList<DatatypeExpr> internalAddress){ - List<BoolExpr> constr = new ArrayList<BoolExpr>(); - Expr n_0 = ctx.mkConst("vpn_node", nctx.address); - - for(DatatypeExpr n : internalAddress){ - constr.add(ctx.mkEq(n_0,n)); - } - BoolExpr[] constrs = new BoolExpr[constr.size()]; - //Constraint private_addr_func(n_0) == or(n_0==n foreach internal address) - constraints.add(ctx.mkForall(new Expr[]{n_0}, ctx.mkEq(private_addr_func.apply(n_0),ctx.mkOr(constr.toArray(constrs))),1,null,null,null,null)); - } - -}
\ No newline at end of file diff --git a/verigraph/service/src/mcnet/netobjs/PolitoWebClient.java b/verigraph/service/src/mcnet/netobjs/PolitoWebClient.java deleted file mode 100644 index 28e2cf2..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoWebClient.java +++ /dev/null @@ -1,107 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; - -/** - * WebClient - */ -public class PolitoWebClient extends NetworkObject{ - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr politoWebClient; - Network net; - NetContext nctx; - FuncDecl isInBlacklist; - - public PolitoWebClient(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=true; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - politoWebClient = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - DatatypeExpr ipServer = (DatatypeExpr) args[0][3]; - webClientRules(ipServer); - //net.saneSend(this); - } - - @Override - public DatatypeExpr getZ3Node() { - return politoWebClient; - } - - @Override - protected void addConstraints(Solver solver) { -// System.out.println("[MailClient] Installing rules."); - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - private void webClientRules (DatatypeExpr ipServer){ - Expr n_0 = ctx.mkConst("PolitoWebClient_"+politoWebClient+"_n_0", nctx.node); - Expr p_0 = ctx.mkConst("PolitoWebClient_"+politoWebClient+"_p_0", nctx.packet); - IntExpr t_0 = ctx.mkIntConst("PolitoWebClient_"+politoWebClient+"_t_0"); - - //Constraint1 send(politoWebClient, n_0, p, t_0) -> nodeHasAddr(politoWebClient,p.src) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoWebClient, n_0, p_0, t_0), - (BoolExpr)nctx.nodeHasAddr.apply(politoWebClient,nctx.pf.get("src").apply(p_0))),1,null,null,null,null)); - - //Constraint2 send(politoWebClient, n_0, p, t_0) -> p.origin == politoWebClient - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoWebClient, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("origin").apply(p_0),politoWebClient)),1,null,null,null,null)); - - //Constraint3 send(politoWebClient, n_0, p, t_0) -> p.orig_body == p.body - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoWebClient, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_0),nctx.pf.get("body").apply(p_0))),1,null,null,null,null)); - - //Constraint4 recv(n_0, politoWebClient, p, t_0) -> nodeHasAddr(politoWebClient,p.dest) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.recv.apply(n_0,politoWebClient, p_0, t_0), - (BoolExpr)nctx.nodeHasAddr.apply(politoWebClient,nctx.pf.get("dest").apply(p_0))),1,null,null,null,null)); - - - //Constraint5 This client is only able to produce HTTP requests - // send(politoWebClient, n_0, p, t_0) -> p.proto == HTTP_REQ - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoWebClient, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.HTTP_REQUEST))),1,null,null,null,null)); - - //Constraint6 send(politoWebClient, n_0, p, t_0) -> p.dest == ipServer - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(politoWebClient, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("dest").apply(p_0), ipServer)),1,null,null,null,null)); - } - } diff --git a/verigraph/service/src/mcnet/netobjs/PolitoWebServer.java b/verigraph/service/src/mcnet/netobjs/PolitoWebServer.java deleted file mode 100644 index 54710d9..0000000 --- a/verigraph/service/src/mcnet/netobjs/PolitoWebServer.java +++ /dev/null @@ -1,114 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2017 Politecnico di Torino and others. - * - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Apache License, Version 2.0 - * which accompanies this distribution, and is available at - * http://www.apache.org/licenses/LICENSE-2.0 - *******************************************************************************/ - -package mcnet.netobjs; - - -import java.util.ArrayList; -import java.util.List; - -import com.microsoft.z3.BoolExpr; -import com.microsoft.z3.Context; -import com.microsoft.z3.DatatypeExpr; -import com.microsoft.z3.Expr; -import com.microsoft.z3.FuncDecl; -import com.microsoft.z3.IntExpr; -import com.microsoft.z3.Solver; - -import mcnet.components.NetContext; -import mcnet.components.Network; -import mcnet.components.NetworkObject; -/** - * WebServer object - * - */ -public class PolitoWebServer extends NetworkObject{ - - List<BoolExpr> constraints; - Context ctx; - DatatypeExpr node; - Network net; - NetContext nctx; - FuncDecl isInBlacklist; - - public PolitoWebServer(Context ctx, Object[]... args) { - super(ctx, args); - } - - @Override - protected void init(Context ctx, Object[]... args) { - this.ctx = ctx; - isEndHost=true; - constraints = new ArrayList<BoolExpr>(); - z3Node = ((NetworkObject)args[0][0]).getZ3Node(); - node = z3Node; - net = (Network)args[0][1]; - nctx = (NetContext)args[0][2]; - webServerRules(); - } - - @Override - public DatatypeExpr getZ3Node() { - return node; - } - - @Override - protected void addConstraints(Solver solver) { - BoolExpr[] constr = new BoolExpr[constraints.size()]; - solver.add(constraints.toArray(constr)); - } - - private void webServerRules (){ - Expr n_0 = ctx.mkConst("webserver_"+node+"_n_0", nctx.node); - Expr p_0 = ctx.mkConst("webserver_"+node+"_p_0", nctx.packet); - Expr p_1 = ctx.mkConst("webserver_"+node+"_p_1", nctx.packet); - IntExpr t_0 = ctx.mkIntConst("webserver_"+node+"_t_0"); - IntExpr t_1 = ctx.mkIntConst("webserver_"+node+"_t_1"); - - //Constraint1 send(politoWebServer, n_0, p, t_0) -> nodeHasAddr(politoWebServer,p.src) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(node, n_0, p_0, t_0), - (BoolExpr)nctx.nodeHasAddr.apply(node,nctx.pf.get("src").apply(p_0))),1,null,null,null,null)); - - //Constraint2 send(politoWebServer, n_0, p, t_0) -> p.origin == politoWebServer - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(node, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("origin").apply(p_0),node)),1,null,null,null,null)); - - //Constraint3 send(politoWebServer, n_0, p, t_0) -> p.orig_body == p.body - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(node, n_0, p_0, t_0), - ctx.mkEq(nctx.pf.get("orig_body").apply(p_0),nctx.pf.get("body").apply(p_0))), - 1,null,null,null,null)); - - //Constraint4 recv(n_0, politoWebServer, p, t_0) -> nodeHasAddr(politoWebServer,p.dest) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.recv.apply(n_0,node, p_0, t_0), - (BoolExpr)nctx.nodeHasAddr.apply(node,nctx.pf.get("dest").apply(p_0))),1,null,null,null,null)); - - //Constraint5 - // send(politoWebServer, n_0, p, t_0) -> - // (exist p_1,t_1 : - // (t_1 < t_0 && recv(n_0, politoWebServer, p_1, t_1) && - // p_0.proto == HTTP_RESP && p_1.proto == HTTP_REQ && - // p_0.dest == p_1.src && p_0.src == p_1.dest && p_0.url == p_1.url) - constraints.add( ctx.mkForall(new Expr[]{n_0, p_0, t_0}, - ctx.mkImplies((BoolExpr)nctx.send.apply(node, n_0, p_0, t_0), - ctx.mkExists(new Expr[]{p_1, t_1}, - ctx.mkAnd( - ctx.mkLt(t_1, t_0), - ctx.mkEq(nctx.pf.get("url").apply(p_0), nctx.pf.get("url").apply(p_1)), - (BoolExpr)nctx.recv.apply(n_0, node, p_1, t_1), - ctx.mkEq(nctx.pf.get("proto").apply(p_0), ctx.mkInt(nctx.HTTP_RESPONSE)), - ctx.mkEq(nctx.pf.get("proto").apply(p_1), ctx.mkInt(nctx.HTTP_REQUEST)), - ctx.mkEq(nctx.pf.get("dest").apply(p_0), nctx.pf.get("src").apply(p_1)), - ctx.mkEq(nctx.pf.get("src").apply(p_0), nctx.pf.get("dest").apply(p_1))), - 1,null,null,null,null)),1,null,null,null,null)); - } -} |