diff options
Diffstat (limited to 'verigraph/service/src/mcnet/netobjs/PolitoWebServer.java')
| -rw-r--r-- | verigraph/service/src/mcnet/netobjs/PolitoWebServer.java | 114 |
1 files changed, 0 insertions, 114 deletions
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)); - } -} |