Merge "Add verigraph code base"

1 files changed, 91 insertions, 0 deletions

diff --git a/verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java b/verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java
new file mode 100644
index 0000000..6d8d8fe
--- /dev/null
+++ b/verigraph/service/src/mcnet/netobjs/PolitoFieldModifier.java
@@ -0,0 +1,91 @@
+/*******************************************************************************
+ * 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