Exemplo n.º 1
0
    def __init__(self, root_node, node_consumer, make_determinist=False, make_random=False,
                 max_steps=-1, initial_step=1):
        self._root_node = root_node
        self._root_node.make_finite(all_conf=True, recursive=True)
        
        if make_determinist:
            assert(not make_random)
            self._root_node.make_determinist(all_conf=True, recursive=True)
        elif make_random:
            assert(not make_determinist)
            self._root_node.make_random(all_conf=True, recursive=True)

        self._root_node.freeze()

        self._max_steps = int(max_steps)
        self._initial_step = int(initial_step)
        
        assert(self._max_steps > 0 or self._max_steps == -1)

        self.ic = dm.NodeInternalsCriteria(mandatory_attrs=[dm.NodeInternals.Mutable, dm.NodeInternals.Finite])
        self.triglast_ic = dm.NodeInternalsCriteria(mandatory_attrs=[dm.NodeInternals.TriggerLast])

        self.consumed_node_path = None

        self.set_consumer(node_consumer)
Exemplo n.º 2
0
    def __init__(self,
                 root_node,
                 node_consumer,
                 make_determinist=False,
                 make_random=False,
                 max_steps=-1,
                 initial_step=1):
        self._root_node = root_node  #Elt(root_node.name, base_node=root_node)
        self._root_node.make_finite(all_conf=True, recursive=True)

        if make_determinist:
            assert (not make_random)
            self._root_node.make_determinist(all_conf=True, recursive=True)
        elif make_random:
            assert (not make_determinist)
            self._root_node.make_random(all_conf=True, recursive=True)

        self._root_node.get_value()

        self._max_steps = int(max_steps)
        self._initial_step = int(initial_step)

        assert (self._max_steps > 0 or self._max_steps == -1)

        self.ic = dm.NodeInternalsCriteria(mandatory_attrs=[
            dm.NodeInternals.Mutable, dm.NodeInternals.Finite
        ])

        self.set_consumer(node_consumer)
Exemplo n.º 3
0
    def init_specific(self, separators):
        self._internals_criteria = \
            dm.NodeInternalsCriteria(mandatory_attrs=[dm.NodeInternals.Mutable, dm.NodeInternals.Separator],
                                     node_kinds=[dm.NodeInternals_Term])

        self.val_list = [b'']
        if separators is not None:
            self.val_list += list(separators)

        self.yield_original_val = False
Exemplo n.º 4
0
    def init_specific(self, args):
        self._internals_criteria = dm.NodeInternalsCriteria(
            mandatory_attrs=[dm.NodeInternals.Mutable],
            node_kinds=[dm.NodeInternals_TypedValue])
        self.orig_value = None
        self.current_fuzz_vt_list = None
        self.current_node = None
        self.orig_internal = None

        self.yield_original_val = True
        self.need_reset_when_structure_change = True
Exemplo n.º 5
0
def get_terminal_node(mem, top_node, paths_regexp=None):

    if mem.new:
        mem.internals_criteria = dm.NodeInternalsCriteria(
            mandatory_attrs=[dm.NodeInternals.Mutable],
            node_kinds=[dm.NodeInternals_Term])

    return get_node_from_attr(mem,
                              top_node,
                              internals_criteria=mem.internals_criteria,
                              paths_regexp=paths_regexp)
Exemplo n.º 6
0
    def init_specific(self, args):
        self.__node_backup = None

        self.yield_original_val = True
        self.need_reset_when_structure_change = True

        self._internals_criteria = dm.NodeInternalsCriteria(mandatory_attrs=[dm.NodeInternals.Mutable])
        self._owned_confs = ['MAIN']
        self.current_consumed_node = None
        self.orig_conf = None
        self.confs_list = None
        self.recover = False
Exemplo n.º 7
0
def fuzz_data_tree(top_node, paths_regexp=None):

    c = dm.NodeInternalsCriteria(mandatory_attrs=[dm.NodeInternals.Mutable],
                                 node_kinds=[dm.NodeInternals_NonTerm])

    if paths_regexp:
        node_list = top_node.get_reachable_nodes(path_regexp=paths_regexp)
    else:
        node_list = [top_node]

    for node in node_list:
        l = node.get_reachable_nodes(internals_criteria=c)
        for e in l:
            e.cc.change_subnodes_csts([('*', 'u=.')])
Exemplo n.º 8
0
def get_node_with_alt_conf(mem, top_node, conf, paths_regexp=None):

    if mem.new:
        mem.new = False

        mem.val_nodes_list = []
        mem.c = dm.NodeInternalsCriteria(
            mandatory_attrs=[dm.NodeInternals.Mutable])

    if paths_regexp:
        mem.val_nodes_list = []

    if len(mem.val_nodes_list) == 0:
        top_node.make_finite(all_conf=True, recursive=True)
        top_node.unfreeze_all(ignore_entanglement=True)
        top_node.get_value()

        if paths_regexp:
            node_list = top_node.get_reachable_nodes(path_regexp=paths_regexp)
            if not node_list:
                return None, None
        else:
            node_list = [top_node]

        mem.val_nodes_list = []

        for e in node_list:
            mem.val_nodes_list += e.get_reachable_nodes(
                internals_criteria=mem.c, owned_conf=conf)

        if mem.val_nodes_list == []:
            return None, None

        mem.val_nodes_list = sorted(mem.val_nodes_list, key=lambda x: -x.depth)
        mem.prev_node = None

    if mem.prev_node:
        mem.prev_node.set_current_conf(conf='MAIN',
                                       reverse=True,
                                       recursive=False)
        mem.prev_node.unfreeze(conf, ignore_entanglement=True)

    node = mem.val_nodes_list.pop(0)
    node.unfreeze(conf, ignore_entanglement=True)

    mem.prev_node = node

    node.set_current_conf(conf=conf, recursive=False)

    return node, len(mem.val_nodes_list)
Exemplo n.º 9
0
    def init_specific(self, base_list):
        self._internals_criteria = dm.NodeInternalsCriteria(
            mandatory_attrs=[dm.NodeInternals.Mutable],
            node_kinds=[dm.NodeInternals_Term])
        self.enforce_ascii = False
        self.determinist = True

        if base_list is None:
            self.val_list = [
                b'', b'\x00', b'AhAh%s%s%s', b'BBB%n%n%n%n%n', b'\r\n'
            ]
        else:
            self.val_list = list(base_list)

        self.orig_internals = None
        self.yield_original_val = True
        self.need_reset_when_structure_change = True
Exemplo n.º 10
0
def fuzz_typed_values(mem, top_node, paths_regexp=None):
    def _create_fuzzy_vt_list(e):
        vt = e.cc.get_value_type()

        if issubclass(vt.__class__, vtype.VT_Alt):
            new_vt = copy.copy(vt)
            new_vt.make_private(forget_current_state=False)
            new_vt.switch_mode()
            fuzzy_vt_list = [new_vt]

        else:
            fuzzy_vt_cls = list(vt.fuzzy_cls.values())
            fuzzy_vt_list = []
            for c in fuzzy_vt_cls:
                fuzzy_vt_list.append(c(vt.endian))

        return fuzzy_vt_list

    def _extend_fuzzy_vt_list(flist, e):
        vt = e.cc.get_value_type()

        if issubclass(vt.__class__, vtype.VT_Alt):
            return

        specific_fuzzy_vals = e.cc.get_specific_fuzzy_values()

        val = vt.get_current_raw_val()
        if val is not None:
            supp_list = [val + 1, val - 1]
            if specific_fuzzy_vals is not None:
                for v in specific_fuzzy_vals:
                    supp_list.insert(0, v)

            if vt.mini is not None:
                supp_list.append(vt.mini - 1)
                supp_list.append(vt.maxi + 1)

            for o in flist:
                # We don't need to check with vt.mini-1 or vt.maxi+1,
                # as the following test will provide the first
                # compliant choice that will also be OK for the
                # previous values (ortherwise, no VT will be OK, and
                # these values will be filtered through the call to
                # extend_value_list())
                if o.is_compatible(val + 1) or o.is_compatible(val - 1):
                    fuzzy_vt_obj = o
                    break

            fuzzy_vt_obj.extend_value_list(supp_list)

    def prepare_new_fuzzy_vt(e):
        mem.current_node_fuzzy_vt_obj = _create_fuzzy_vt_list(e)
        _extend_fuzzy_vt_list(mem.current_node_fuzzy_vt_obj, e)

    def save_orig_vt_and_val(e):
        mem.orig_node_vt = e.cc.get_value_type()
        mem.orig_node_val = e.get_flatten_value()

    def restore_orig_vt_and_val(e):
        e.cc.import_value_type(value_type=mem.orig_node_vt)
        e.set_frozen_value(mem.orig_node_val)
        mem.orig_node_vt = None
        mem.orig_node_val = None

    def change_value_type(e):
        vt_obj = mem.current_node_fuzzy_vt_obj.pop(0)
        e.cc.import_value_type(value_type=vt_obj)

        if e.env != mem._env:
            print('\n*** DEBUG - e.env:', e.env)
            raise ValueError

    if mem.new:
        mem.new = False

        mem.tval_nodes_list = []

        mem.internals_criteria = dm.NodeInternalsCriteria(
            mandatory_attrs=[dm.NodeInternals.Mutable],
            node_kinds=[dm.NodeInternals_TypedValue])

        mem.orig_node_vt = None
        mem.orig_node_val = None
        mem.current_node = None
        mem.current_node_fuzzy_vt_obj = None

        top_node.make_finite(all_conf=True, recursive=True)
        top_node.get_value()
        top_node.env.clear_all_exhausted_nodes()

        mem._env = top_node.env

        if paths_regexp:
            node_list = top_node.get_reachable_nodes(path_regexp=paths_regexp)
            if not node_list:
                return None, None, None
        else:
            node_list = [top_node]

        mem.tval_nodes_list = []
        for e in node_list:
            mem.tval_nodes_list += e.get_reachable_nodes(
                internals_criteria=mem.internals_criteria)

        if len(mem.tval_nodes_list) == 0:
            # if no typed value Node
            return None, None, None

        mem.current_node = mem.tval_nodes_list[0]
        prepare_new_fuzzy_vt(mem.current_node)
        save_orig_vt_and_val(mem.current_node)
        change_value_type(mem.current_node)

    if len(mem.tval_nodes_list) == 0:
        return None, None, None

    exhausted = top_node.env.exhausted_node_exists()

    if len(mem.current_node_fuzzy_vt_obj) != 0 and exhausted:
        top_node.env.clear_exhausted_node(mem.current_node)
        change_value_type(mem.current_node)

    elif len(mem.current_node_fuzzy_vt_obj) != 0 and not exhausted:
        pass

    elif len(mem.current_node_fuzzy_vt_obj) == 0 and exhausted:
        assert (len(mem.tval_nodes_list) != 0)

        top_node.env.clear_exhausted_node(mem.current_node)
        restore_orig_vt_and_val(mem.current_node)

        mem.tval_nodes_list.pop(0)
        if len(mem.tval_nodes_list) == 0:
            return None, None, None

        mem.current_node = mem.tval_nodes_list[0]
        prepare_new_fuzzy_vt(mem.current_node)
        save_orig_vt_and_val(mem.current_node)
        change_value_type(mem.current_node)

    elif len(mem.current_node_fuzzy_vt_obj) == 0 and not exhausted:
        pass

    else:
        raise ValueError('Implementation Error')

    mem.current_node.unfreeze(ignore_entanglement=True)
    mem.current_node.get_value()

    return mem.current_node, mem.orig_node_val, len(mem.tval_nodes_list)
Exemplo n.º 11
0
 def init_specific(self, args):
     self._internals_criteria = dm.NodeInternalsCriteria(
         negative_node_kinds=[dm.NodeInternals_NonTerm])
Exemplo n.º 12
0
 def init_specific(self, args):
     self.consumed = False
     self._internals_criteria = None
     self._internals_criteria = dm.NodeInternalsCriteria(negative_node_kinds=[dm.NodeInternals_NonTerm])
     self.current_nt_node = None