def test_str_to_int_simplification(self):
        target_num = 12 if not KEEP_TEST_PERFORMANT else 1000000

        str_concrete = claripy.StringV(str(target_num))
        solver = self.get_solver()
        res = claripy.StrToInt(str_concrete, 32)

        solver.add(res == target_num)
        self.assertTrue(solver.satisfiable())
        self.assertEqual(tuple(), tuple(solver.constraints))
        self.assertEqual((target_num, ), solver.eval(res, 2))
    def test_str_to_int(self):
        str_symb = claripy.StringS("symb_strtoint", 4, explicit_name=True)
        res = claripy.StrToInt(str_symb, 32)
        solver = self.get_solver()
        target_num = 12 if KEEP_TEST_PERFORMANT else 100000
        solver.add(res == target_num)
        self.assertTrue(solver.satisfiable())

        solutions = solver.eval(str_symb,
                                2 if KEEP_TEST_PERFORMANT else 1000000)
        for sol in solutions:
            self.assertTrue(int(sol) == target_num)
Пример #3
0
    def test_str_to_int_simplification(self):
        correct_script = '''(set-logic ALL)


(check-sat)
'''
        str_concrete = claripy.StringV("12")
        solver = self.get_solver()
        res = claripy.StrToInt(str_concrete, 32)
        solver.add(res == 12)
        script = solver.get_smtlib_script_satisfiability()
        self.assertEqual(correct_script, script)
Пример #4
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    def test_str_to_int(self):
        correct_script = '''(set-logic ALL)
(declare-fun {0}symb_strtoint () String)
(assert (let ((.def_0 (= ( str.to.int {0}symb_strtoint ) 12))) .def_0))
(check-sat)
'''.format(String.STRING_TYPE_IDENTIFIER)
        str_symb = claripy.StringS("symb_strtoint", 4, explicit_name=True)
        res = claripy.StrToInt(str_symb, 32)
        solver = self.get_solver()
        solver.add(res == 12)
        script = solver.get_smtlib_script_satisfiability()
        # with open("dump_strtoint.smt2", "w") as dump_f:
        #     dump_f.write(script)
        self.assertEqual(correct_script, script)
Пример #5
0
    def run(self, str_ref):
        log.debug(
            'Called SimProcedure java.lang.Double.parseDouble with args: {}'.
            format(str_ref))
        str_ = self.state.memory.load(str_ref)

        if str_.concrete:
            str_value = self.state.solver.eval(str_)
            # this can raise a ValueError if str_value is not convertible to float
            double_val = float(str_value)
            return claripy.FPV(double_val, claripy.FSORT_DOUBLE)

        else:
            return claripy.StrToInt(str_, self.arch.bits)