public static Taint merge(Taint a, Taint b) {
Taint result = new Taint(State.merge(a.getState(), b.getState()));
if (a.hasValidLocalVariableIndex()
&& b.hasValidLocalVariableIndex()
&& a.getLocalVariableIndex() == b.getLocalVariableIndex()) {
result.setLocalVariableIndex(a.getLocalVariableIndex());
}
return result;
}
public boolean isValidTaintedString (String s, String taintS) {
if (!s.equals(taintS))
return false;
Taint t = s.@internal@taint();
if (t == null)
t = new Taint(false, s.length());
Taint tt = taintS.@internal@taint();
if (tt == null)
tt = new Taint(false, taintS.length());
for (int i = 0; i < taintS.length(); i++) {
if ((p == UNTAINTED && t.get(i))
|| (p == FULLY_TAINTED && !t.get(i)))
return false;
if (!tt.get(i))
return false;
}
return true;
}