private static boolean checkIfIsArrayFunction(
SootMethod method, InstanceInvokeExpr instanceInvokeExpr) {
String methodName = method.getName();
Value base = instanceInvokeExpr.getBase();
System.out.println(base.getType());
if (base.getType().toString().equals("android.content.Intent")) {
if (methodName.startsWith("get") && methodName.contains("Array")) {
return true;
}
}
return false;
}
@Override
public Type appliesInternal(AndroidMethod method) {
SootMethod sm = getSootMethod(method);
if (sm == null) {
System.err.println("Method not declared: " + method);
return Type.NOT_SUPPORTED;
}
// We are only interested in setters
if (!sm.isConcrete()) return Type.NOT_SUPPORTED;
try {
Set<Value> paramVals = new HashSet<Value>();
for (Unit u : sm.retrieveActiveBody().getUnits()) {
// Collect the parameters
if (u instanceof IdentityStmt) {
IdentityStmt id = (IdentityStmt) u;
if (id.getRightOp() instanceof ParameterRef) paramVals.add(id.getLeftOp());
}
// Check for invocations
if (u instanceof Stmt) {
Stmt stmt = (Stmt) u;
if (stmt.containsInvokeExpr())
if (stmt.getInvokeExpr() instanceof InstanceInvokeExpr) {
InstanceInvokeExpr iinv = (InstanceInvokeExpr) stmt.getInvokeExpr();
if (paramVals.contains(iinv.getBase()))
if (iinv.getMethod().getName().startsWith(methodName)) return Type.TRUE;
}
}
}
return Type.FALSE;
} catch (Exception ex) {
System.err.println("Something went wrong:");
ex.printStackTrace();
return Type.NOT_SUPPORTED;
}
}
public void assureAllSyncInCallGraph(Collection<JavaCriticalSection> criticalSections) {
System.out.println("[assureAllSyncInCallgraph] starting");
Date start = new Date();
ReachableMethods oldReach = Scene.v().getReachableMethods();
// Collection et = EntryPoints.v().all();
// ReachableMethods reachableFromMain = new ReachableMethods(cg, et);
// reachableFromMain.update();
Set<SootMethod> notInCG = new HashSet<SootMethod>();
for (JavaCriticalSection cs : criticalSections) {
SootMethod m = cs.getSootMethod();
if (!oldReach.contains(m)) notInCG.add(m);
}
Set<SootMethod> alreadyInCG = new HashSet<SootMethod>();
for (Iterator<MethodOrMethodContext> it = oldReach.listener(); it.hasNext(); ) {
alreadyInCG.add(it.next().method());
}
/*
* for(Iterator<?> it=cg.sourceMethods();it.hasNext();){ SootMethod m =
* (SootMethod)it.next(); alreadyInCG.add(m); if(notInCG.contains(m)){
* notInCG.remove(m); } }
*/
// add new methods to the call graph
Stack<SootMethod> worklist = new Stack<SootMethod>();
for (SootMethod m : notInCG) {
worklist.push(m);
}
while (!worklist.isEmpty()) {
SootMethod m = worklist.pop();
if (alreadyInCG.contains(m) || m == null) {
continue;
}
alreadyInCG.add(m);
Body body = m.retrieveActiveBody();
for (Unit u : body.getUnits()) {
if (!(u instanceof Stmt)) {
continue;
}
Stmt s = (Stmt) u;
if (!s.containsInvokeExpr()) {
continue;
}
InvokeExpr invoke = s.getInvokeExpr();
SootMethod declCallee = invoke.getMethod();
Collection<SootMethod> targets = new ArrayList<SootMethod>();
if (declCallee.isStatic()) {
targets.add(declCallee);
} else {
// XXX: pay attention to reflexive call, thread call, and
// etc.
// Here we do not add edges for implicit targets, as these
// parts of methods is not reachable
// from the entry, and they will most likely to be analyzed
// in a very conservative ways.
InstanceInvokeExpr iie = (InstanceInvokeExpr) invoke;
Local receiver = (Local) iie.getBase();
NumberedString subSig = iie.getMethodRef().getSubSignature();
if (invoke instanceof SpecialInvokeExpr) {
SootMethod tgt = VirtualCalls.v().resolveSpecial((SpecialInvokeExpr) invoke, subSig, m);
targets.add(tgt);
} else {
Type t = receiver.getType();
if (t instanceof ArrayType) {
// t = RefType.v("java.lang.Object");
targets.add(declCallee);
}
// BottomType bug
else if (t instanceof soot.jimple.toolkits.typing.fast.BottomType) {
System.out.println("BottomType:" + s);
} else if (t instanceof soot.NullType) {
System.out.println("NullType:" + s);
} else {
SootClass c = ((RefType) t).getSootClass();
// Soot has a type resolving bug, and here may be
// exceptions
try {
Set<SootMethod> callees =
Scene.v().getOrMakeFastHierarchy().resolveAbstractDispatch(c, declCallee);
targets.addAll(callees);
} catch (Exception e) {
System.out.println(e.getMessage());
}
}
}
}
for (SootMethod t : targets) {
// add call edge
Edge e = new Edge(m, s, t);
Scene.v().getCallGraph().addEdge(e);
// add to worklist
if (t.isConcrete() && !alreadyInCG.contains(t)) {
worklist.push(t);
}
}
}
}
// infer entries for the methods not reachable from main entry
List<SootMethod> entries = Scene.v().getEntryPoints();
_patchedEntries = new ArrayList<SootMethod>(notInCG);
for (SootMethod m : notInCG) {
// XXX there can be recursive calls, so for simple processing, all
// methods not in old
// call graph should be added to the entry. Checking the
// non-existence of incoming edges
// may miss some recursively called methods
// if(!cg.edgesInto(m).hasNext()){
entries.add(m);
// }
}
// update reachable methods
Scene.v().setReachableMethods(null);
}