Add verigraph code base

JIRA: PARSER-111

Change-Id: Ie76e14fabbb6c388ebc89d9a15dd3021b25fa892
Signed-off-by: serena.spinoso <serena.spinoso@polito.it>

1 files changed, 114 insertions, 0 deletions

diff --git a/verigraph/service/src/mcnet/netobjs/PolitoWebServer.java b/verigraph/service/src/mcnet/netobjs/PolitoWebServer.java
new file mode 100644
index 0000000..54710d9
--- /dev/null
+++ b/verigraph/service/src/mcnet/netobjs/PolitoWebServer.java
@@ -0,0 +1,114 @@
+/*******************************************************************************
+ * 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));
+	    }
+}