setools/setoolsgui/apol/terulequery.py

269 lines
9.4 KiB
Python

# Copyright 2015, Tresys Technology, LLC
#
# This file is part of SETools.
#
# SETools is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as
# published by the Free Software Foundation, either version 2.1 of
# the License, or (at your option) any later version.
#
# SETools is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with SETools. If not, see
# <http://www.gnu.org/licenses/>.
#
import logging
from PyQt5.QtCore import Qt, QSortFilterProxyModel, QStringListModel
from PyQt5.QtGui import QPalette, QTextCursor
from PyQt5.QtWidgets import QCompleter, QHeaderView, QWidget
from setools import TERuleQuery
from ..widget import SEToolsWidget
from .rulemodels import TERuleListModel
from .models import PermListModel, SEToolsListModel
class TERuleQueryTab(SEToolsWidget, QWidget):
def __init__(self, tab, policy):
super(TERuleQueryTab, self).__init__(tab)
self.log = logging.getLogger(self.__class__.__name__)
self.policy = policy
self.query = TERuleQuery(policy)
self.tab = tab
self.setupUi()
def setupUi(self):
self.load_ui("terulequery.ui")
# set up source/target/default autocompletion
completion_list = [str(t) for t in self.policy.types()]
completion_list.extend(str(a) for a in self.policy.typeattributes())
completer_model = QStringListModel(self)
completer_model.setStringList(sorted(completion_list))
self.type_completion = QCompleter()
self.type_completion.setModel(completer_model)
self.source.setCompleter(self.type_completion)
self.target.setCompleter(self.type_completion)
self.default_type.setCompleter(self.type_completion)
# setup indications of errors on source/target/default
self.orig_palette = self.source.palette()
self.error_palette = self.source.palette()
self.error_palette.setColor(QPalette.Base, Qt.red)
self.clear_source_error()
self.clear_target_error()
self.clear_default_error()
# populate class list
self.class_model = SEToolsListModel(self)
self.class_model.item_list = sorted(self.policy.classes())
self.tclass.setModel(self.class_model)
# populate perm list
self.perms_model = PermListModel(self, self.policy)
self.perms.setModel(self.perms_model)
# populate bool list
self.bool_model = SEToolsListModel(self)
self.bool_model.item_list = sorted(self.policy.bools())
self.bool_criteria.setModel(self.bool_model)
# set up results
self.table_results_model = TERuleListModel(self)
self.sort_proxy = QSortFilterProxyModel(self)
self.sort_proxy.setSourceModel(self.table_results_model)
self.table_results.setModel(self.sort_proxy)
headerview = self.table_results.horizontalHeader()
headerview.setSectionResizeMode(0, QHeaderView.ResizeToContents)
headerview.setSectionResizeMode(1, QHeaderView.ResizeToContents)
headerview.setSectionResizeMode(2, QHeaderView.ResizeToContents)
headerview.setSectionResizeMode(3, QHeaderView.ResizeToContents)
headerview.setSectionResizeMode(4, QHeaderView.Stretch)
headerview.setSectionResizeMode(5, QHeaderView.ResizeToContents)
# check expanders to make sure the display
# is consistent with the initial .ui state
self.toggle_criteria_frame()
self.toggle_results_frame()
self.toggle_notes_frame()
# connect signals
self.buttonBox.clicked.connect(self.run)
self.source.textEdited.connect(self.clear_source_error)
self.source.editingFinished.connect(self.set_source)
self.target.textEdited.connect(self.clear_target_error)
self.target.editingFinished.connect(self.set_target)
self.source_regex.toggled.connect(self.set_source)
self.target_regex.toggled.connect(self.set_target)
self.tclass.selectionModel().selectionChanged.connect(self.set_tclass)
self.clear_class.clicked.connect(self.clear_tclass_selection)
self.perms.selectionModel().selectionChanged.connect(self.set_perms)
self.clear_perms.clicked.connect(self.clear_perms_selection)
self.default_type.textEdited.connect(self.clear_default_error)
self.default_type.editingFinished.connect(self.set_default_type)
self.bool_criteria.selectionModel().selectionChanged.connect(self.set_bools)
self.clear_bools.clicked.connect(self.clear_bool_selection)
self.criteria_expander.clicked.connect(self.toggle_criteria_frame)
self.results_expander.clicked.connect(self.toggle_results_frame)
self.notes_expander.clicked.connect(self.toggle_notes_frame)
#
# Source criteria
#
def clear_source_error(self):
self.source.setToolTip("Match the source type/attribute of the rule.")
self.source.setPalette(self.orig_palette)
def set_source(self):
self.query.source_regex = self.source_regex.isChecked()
try:
self.query.source = self.source.text()
except Exception as ex:
self.source.setToolTip("Error: " + str(ex))
self.source.setPalette(self.error_palette)
#
# Target criteria
#
def clear_target_error(self):
self.target.setToolTip("Match the target type/attribute of the rule.")
self.target.setPalette(self.orig_palette)
def set_target(self):
self.query.target_regex = self.target_regex.isChecked()
try:
self.query.target = self.target.text()
except Exception as ex:
self.target.setToolTip("Error: " + str(ex))
self.target.setPalette(self.error_palette)
#
# Class criteria
#
def clear_tclass_selection(self):
self.tclass.selectionModel().clearSelection()
def set_tclass(self):
selected_classes = []
for index in self.tclass.selectionModel().selectedIndexes():
selected_classes.append(self.class_model.data(index, Qt.UserRole))
self.query.tclass = selected_classes
self.perms_model.set_classes(selected_classes)
#
# Permissions criteria
#
def clear_perms_selection(self):
self.perms.selectionModel().clearSelection()
def set_perms(self):
selected_perms = []
for index in self.perms.selectionModel().selectedIndexes():
selected_perms.append(self.perms_model.data(index, Qt.UserRole))
self.query.perms = selected_perms
#
# Default criteria
#
def clear_default_error(self):
self.default_type.setToolTip("Match the default type the rule.")
self.default_type.setPalette(self.orig_palette)
def set_default_type(self):
self.query.default_regex = self.default_regex.isChecked()
try:
self.query.default = self.default_type.text()
except Exception as ex:
self.default_type.setToolTip("Error: " + str(ex))
self.default_type.setPalette(self.error_palette)
#
# Boolean criteria
#
def clear_bool_selection(self):
self.bool_criteria.selectionModel().clearSelection()
def set_bools(self):
selected_bools = []
for index in self.bool_criteria.selectionModel().selectedIndexes():
selected_bools.append(self.bool_model.data(index, Qt.UserRole))
self.query.boolean = selected_bools
#
# Results runner
#
def run(self, button):
# right now there is only one button.
rule_types = []
if self.allow.isChecked():
rule_types.append("allow")
if self.auditallow.isChecked():
rule_types.append("auditallow")
if self.neverallow.isChecked():
rule_types.append("neverallow")
if self.dontaudit.isChecked():
rule_types.append("dontaudit")
if self.type_transition.isChecked():
rule_types.append("type_transition")
if self.type_member.isChecked():
rule_types.append("type_member")
if self.type_change.isChecked():
rule_types.append("type_change")
self.query.ruletype = rule_types
self.query.source_indirect = self.source_indirect.isChecked()
self.query.target_indirect = self.target_indirect.isChecked()
# update results table
results = list(self.query.results())
self.table_results_model.set_rules(results)
# update raw results
self.raw_results.clear()
for line in results:
self.raw_results.appendPlainText(str(line))
self.raw_results.moveCursor(QTextCursor.Start)
#
# Section expander handlers
#
def toggle_criteria_frame(self):
if self.criteria_expander.isChecked():
self.criteria_frame.show()
else:
self.criteria_frame.hide()
def toggle_results_frame(self):
if self.results_expander.isChecked():
self.results_frame.show()
else:
self.results_frame.hide()
def toggle_notes_frame(self):
if self.notes_expander.isChecked():
self.notes.show()
else:
self.notes.hide()