def __rule_arch_changed(self):
'''Recompute self.machine_id and self.syscall_name_store.
Raise ParsingError if the self.rule_arch.child is invalid.
'''
if not self.rule_arch_present.get_active():
machine = util.audit_machine_id
self.last_arch_name = None
else:
name = self.rule_arch.child.get_text()
if self.last_arch_name is not None and name == self.last_arch_name:
return
machine = util.parse_elf(name) # May raise ParsingError
if self.machine_id == machine:
return
self.machine_id = machine
self.syscall_name_store.clear()
def sc_to_name(sc):
return audit.audit_syscall_to_name(sc, machine)
names = lists.ids_to_names(lists.syscalls, sc_to_name)
names.sort()
# As an UGLY special case, some system calls never exit. Exclude them
# from exit filters == filters where the exit value is available.
keep_non_exit = audit.AUDIT_EXIT in self.excluded_fields
for name in names:
if (keep_non_exit or
self.__non_exit_syscall_re.search(name) is None):
self.syscall_name_store.append((name,))
def __init__(self, parent, excluded_fields, action_always_label,
action_never_label):
'''Initialize a rule dialog, removing fields for excluded_fields.
If audit.AUDIT_ARCH is in excluded_fields, all syscall handling is
removed as well.
'''
DialogBase.__init__(self, 'rule_dialog', parent,
notebook_name = 'rule_notebook')
self.excluded_fields = excluded_fields
self.rule_always.set_label(action_always_label)
util.connect_and_run(self.rule_always, 'toggled',
self.__rule_always_toggled)
if audit.AUDIT_FILTERKEY not in self.excluded_fields:
util.connect_and_run(self.rule_keys_present, 'toggled',
self.__rule_keys_present_toggled)
self.rule_keys_change.connect('clicked',
self.__rule_keys_change_clicked)
else:
self.rule_keys_hbox.destroy()
self.rule_never.set_label(action_never_label)
if audit.AUDIT_ARCH not in self.excluded_fields:
util.connect_and_run(self.rule_arch_present, 'toggled',
self.__rule_arch_present_toggled)
self.arch_store = gtk.ListStore(gobject.TYPE_STRING)
for name in lists.sorted_machine_names:
self.arch_store.append((name,))
for name in ('', 'b32', 'b64'):
self.arch_store.append((name,))
self.rule_arch.set_model(self.arch_store)
self.rule_arch.set_text_column(0)
self.rule_arch.set_row_separator_func(util.is_row_separator)
else:
self.rule_arch_vbox.destroy()
if audit.AUDIT_ARCH not in self.excluded_fields:
util.connect_and_run(self.rule_syscalls_not_all, 'toggled',
self.__rule_syscalls_not_all_toggled)
self.syscall_store = gtk.ListStore(gobject.TYPE_STRING)
self.rule_syscalls.set_model(self.syscall_store)
c = gtk.TreeViewColumn(_('System Call'), gtk.CellRendererText(),
text = 0)
self.rule_syscalls.append_column(c)
self.syscalls_selection = self.rule_syscalls.get_selection()
util.connect_and_run(self.syscalls_selection, 'changed',
self.__syscalls_selection_changed)
self.rule_syscall_delete.connect('clicked',
self.__rule_syscall_delete_clicked)
self.syscall_name_store = gtk.ListStore(gobject.TYPE_STRING)
self.rule_syscall_name.set_model(self.syscall_name_store)
self.rule_syscall_name.set_text_column(0)
self.rule_syscall_add.connect('clicked',
self.__rule_syscall_add_clicked)
self.fields_page = 2
else:
self.rule_notebook.remove_page(1)
self.fields_page = 1
self.fields_store = gtk.ListStore(gobject.TYPE_PYOBJECT,
gobject.TYPE_STRING)
self.rule_fields.set_model(self.fields_store)
c = gtk.TreeViewColumn(_('Condition'), gtk.CellRendererText(), text = 1)
self.rule_fields.append_column(c)
self.fields_selection = self.rule_fields.get_selection()
util.connect_and_run(self.fields_selection, 'changed',
self.__fields_selection_changed)
self.rule_field_up.connect('clicked', self.__rule_field_up_clicked)
self.rule_field_down.connect('clicked', self.__rule_field_down_clicked)
self.rule_field_delete.connect('clicked',
self.__rule_field_delete_clicked)
self.rule_field_add.connect('clicked', self.__rule_field_add_clicked)
self.field_var_store = gtk.ListStore(gobject.TYPE_STRING)
fields = (field for field in lists.field_vars
if (field not in (audit.AUDIT_ARCH, audit.AUDIT_FILTERKEY) and
field not in self.excluded_fields))
for name in sorted(lists.ids_to_names(fields,
audit.audit_field_to_name)):
self.field_var_store.append((name,))
self.rule_field_var.set_model(self.field_var_store)
cell = gtk.CellRendererText()
self.rule_field_var.pack_start(cell, True)
self.rule_field_var.set_attributes(cell, text = 0)
util.connect_and_run(self.rule_field_var, 'changed',
self.__rule_field_var_changed)
self.field_op_store = gtk.ListStore(gobject.TYPE_STRING)
for op in Field.all_operators:
self.field_op_store.append((op,))
self.rule_field_op.set_model(self.field_op_store)
cell = gtk.CellRendererText()
self.rule_field_op.pack_start(cell, True)
self.rule_field_op.set_attributes(cell, text = 0)
self.rule_field_op.set_row_separator_func(util.is_row_separator)
self.field_value_store = gtk.ListStore(gobject.TYPE_STRING)
self.rule_field_value.set_model(self.field_value_store)
self.rule_field_value.set_text_column(0)
self.keys = []
self.machine_id = None
self.last_arch_name = None
if audit.AUDIT_ARCH not in self.excluded_fields:
util.connect_and_run(self.rule_arch.child, 'focus-out-event',
self.__rule_arch_focus_out)
