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How to use check_panic method in lisa

Best Python code snippet using lisa_python

fw_zone.py

Source:fw_zone.py

...353            raise FirewallError(COMMAND_FAILED, msg)354        if not enable:355            self.remove_chain(zone, table, chain)356    def add_interface(self, zone, interface, sender=None):357        self._fw.check_panic()358        _zone = self._fw.check_zone(zone)359        _obj = self._zones[_zone]360        interface_id = self.__interface_id(interface)361        if interface_id in _obj.settings["interfaces"]:362            raise FirewallError(ZONE_ALREADY_SET)363        if self.get_zone_of_interface(interface) != None:364            raise FirewallError(ZONE_CONFLICT)365        self.__interface(True, _zone, interface)366        _obj.settings["interfaces"][interface_id] = \367            self.__gen_settings(0, sender)368        # add information whether we add to default or specific zone369        _obj.settings["interfaces"][interface_id]["__default__"] = (not zone or zone == "")370        return _zone371    def change_zone_of_interface(self, zone, interface, sender=None):372        self._fw.check_panic()373        _old_zone = self.get_zone_of_interface(interface)374        _new_zone = self._fw.check_zone(zone)375        if _new_zone == _old_zone:376            return _old_zone377        if _old_zone != None:378            self.remove_interface(_old_zone, interface)379        return self.add_interface(zone, interface, sender)380    def change_default_zone(self, old_zone, new_zone):381        self._fw.check_panic()382        self.__interface(True, new_zone, "+", True)383        if old_zone != None and old_zone != "":384            self.__interface(False, old_zone, "+", True)385    def remove_interface(self, zone, interface):386        self._fw.check_panic()387        zoi = self.get_zone_of_interface(interface)388        if zoi == None:389            raise FirewallError(UNKNOWN_INTERFACE, interface)390        _zone = zoi if zone == "" else self._fw.check_zone(zone)391        if zoi != _zone:392            raise FirewallError(ZONE_CONFLICT)393        _obj = self._zones[_zone]394        interface_id = self.__interface_id(interface)395        self.__interface(False, _zone, interface)396        if interface_id in _obj.settings["interfaces"]:397            del _obj.settings["interfaces"][interface_id]398        return _zone399    def query_interface(self, zone, interface):400        return self.__interface_id(interface) in self.get_settings(zone)["interfaces"]401    def list_interfaces(self, zone):402        return sorted(self.get_settings(zone)["interfaces"].keys())403    # SOURCES404    def check_source(self, source):405        if checkIPnMask(source):406            return "ipv4"407        elif checkIP6nMask(source):408            return "ipv6"409        else:410            raise FirewallError(INVALID_ADDR, source)411    def __source_id(self, source):412        ipv = self.check_source(source)413        return (ipv, source)414    def __source(self, enable, zone, ipv, source):415        rules = [ ]416        for table in ZONE_CHAINS:417            for chain in ZONE_CHAINS[table]:418                # create needed chains if not done already419                if enable:420                    self.add_chain(zone, table, chain)421                # handle trust and block zone directly, accept or reject422                # others will be placed into the proper zone chains423                opt = INTERFACE_ZONE_OPTS[chain]424                # transform INTERFACE_ZONE_OPTS for source address425                if opt == "-i":426                    opt = "-s"427                if opt == "-o":428                    opt = "-d"429                target = self._zones[zone].target.format(430                    chain=SHORTCUTS[chain], zone=zone)431                if target in [ "REJECT", "%%REJECT%%" ] and \432                        chain not in [ "INPUT", "FORWARD", "OUTPUT" ]:433                    # REJECT is only valid in the INPUT, FORWARD and434                    # OUTPUT chains, and user-defined chains which are 435                    # only called from those chains436                    continue437                if target == "DROP" and table == "nat":438                    # DROP is not supported in nat table439                    continue440                # append rule441                action = "-g" if "_ZONE_" in target else "-j"442                rule = [ "%s_ZONES_SOURCE" % chain, "-t", table,443                         opt, source, action, target ]444                rules.append((ipv, rule))445        # handle rules446        ret = self._fw.handle_rules(rules, enable)447        if ret:448            (cleanup_rules, msg) = ret449            self._fw.handle_rules(cleanup_rules, not enable)450            log.debug2(msg)451            raise FirewallError(COMMAND_FAILED, msg)452        if not enable:453            self.remove_chain(zone, table, chain)454    def add_source(self, zone, source, sender=None):455        self._fw.check_panic()456        _zone = self._fw.check_zone(zone)457        _obj = self._zones[_zone]458        source_id = self.__source_id(source)459        if source_id in _obj.settings["sources"]:460            raise FirewallError(ZONE_ALREADY_SET)461        if self.get_zone_of_source(source) != None:462            raise FirewallError(ZONE_CONFLICT)463        self.__source(True, _zone, source_id[0], source_id[1])464        _obj.settings["sources"][source_id] = \465            self.__gen_settings(0, sender)466        # add information whether we add to default or specific zone467        _obj.settings["sources"][source_id]["__default__"] = (not zone or zone == "")468        return _zone469    def change_zone_of_source(self, zone, source, sender=None):470        self._fw.check_panic()471        _old_zone = self.get_zone_of_source(source)472        _new_zone = self._fw.check_zone(zone)473        if _new_zone == _old_zone:474            return _old_zone475        if _old_zone != None:476            self.remove_source(_old_zone, source)477        return self.add_source(zone, source, sender)478    def remove_source(self, zone, source):479        self._fw.check_panic()480        zos = self.get_zone_of_source(source)481        if zos == None:482            raise FirewallError(UNKNOWN_SOURCE, source)483        _zone = zos if zone == "" else self._fw.check_zone(zone)484        if zos != _zone:485            raise FirewallError(ZONE_CONFLICT)486        _obj = self._zones[_zone]487        source_id = self.__source_id(source)488        self.__source(False, _zone, source_id[0], source_id[1])489        if source_id in _obj.settings["sources"]:490            del _obj.settings["sources"][source_id]491        return _zone492    def query_source(self, zone, source):493        return self.__source_id(source) in self.get_settings(zone)["sources"]494    def list_sources(self, zone):495        return [ k[1] for k in self.get_settings(zone)["sources"].keys() ]496    # RICH LANGUAGE497    def check_rule(self, rule):498        rule.check()499    def __rule_id(self, rule):500        self.check_rule(rule)501        return (str(rule))502    def __rule_source(self, source, command):503        if source:504            if source.invert:505                command.append("!")506            command += [ "-s", source.addr ]507    def __rule_destination(self, destination, command):508        if destination:509            if destination.invert:510                command.append("!")511            command += [ "-d", destination.addr ]512    def __rule_limit(self, limit):513        if limit:514            return [ "-m", "limit", "--limit", limit.value ]515        return [ ]516    def __rule_log(self, ipv, table, target, rule, command, rules):517        if not rule.log:518            return519        chain = "%s_log" % target520        _command = command[:]521        _command += [ "-j", "LOG" ]522        if rule.log.prefix:523            _command += [ "--log-prefix", '%s' % rule.log.prefix ]524        if rule.log.level:525            _command += [ "--log-level", '%s' % rule.log.level ]526        _command += self.__rule_limit(rule.log.limit)527        rules.append((ipv, table, chain, _command))528    def __rule_audit(self, ipv, table, target, rule, command, rules):529        if not rule.audit:530            return531        chain = "%s_log" % target532        _command = command[:]533        if type(rule.action) == Rich_Accept:534            _type = "accept"535        elif type(rule.action) == Rich_Reject:536            _type = "reject"537        elif type(rule.action) ==  Rich_Drop:538            _type = "drop"539        else:540            _type = "unknown"541        _command += [ "-j", "AUDIT", "--type", _type ]542        _command += self.__rule_limit(rule.audit.limit)543        rules.append((ipv, table, chain, _command))544    def __rule_action(self, ipv, table, target, rule, command, rules):545        if not rule.action:546            return547        _command = command[:]548        if type(rule.action) == Rich_Accept:549            chain = "%s_allow" % target550            _command += [ "-j", "ACCEPT" ]551        elif type(rule.action) == Rich_Reject:552            chain = "%s_deny" % target553            _command += [ "-j", "REJECT" ]554            if rule.action.type:555                _command += [ "--reject-with", rule.action.type ]556        elif type(rule.action) ==  Rich_Drop:557            chain = "%s_deny" % target558            _command += [ "-j", "DROP" ]559        else:560            raise FirewallError(INVALID_RULE,561                                "Unknown action %s" % type(rule.action))562        _command += self.__rule_limit(rule.action.limit)563        rules.append((ipv, table, chain, _command))564    def __rule(self, enable, zone, rule, mark_id):565                       566        chains = [ ]567        modules = [ ]568        rules = [ ]569        if rule.family != None:570            ipvs = [ rule.family ]571        else:572            ipvs = [ "ipv4", "ipv6" ]573        for ipv in ipvs:574            # SERVICE575            if type(rule.element) == Rich_Service:576                svc = self._fw.service.get_service(rule.element.name)577                if len(svc.destination) > 0:578                    if ipv not in svc.destination:579                        # destination is set, only use if it contains ipv580                        raise FirewallError(INVALID_RULE,581                                            "Service %s is not usable with %s" % 582                                            (rule.element.name, ipv))583                    if svc.destination[ipv] != "" and rule.destination:584                        # we can not use two destinations at the same time585                        raise FirewallError(INVALID_RULE,586                                            "Destination conflict with service.")587                table = "filter"588                chains.append([table, "INPUT" ])589                if type(rule.action) == Rich_Accept:590                    # only load modules for accept action591                    modules += svc.modules592                target = DEFAULT_ZONE_TARGET.format(chain=SHORTCUTS["INPUT"],593                                                    zone=zone)594                # create rules595                for (port,proto) in svc.ports:596                    table = "filter"597                    command = [ ]598                    self.__rule_source(rule.source, command)599                    self.__rule_destination(rule.destination, command)600                    if proto in [ "tcp", "udp" ]:601                        command += [ "-m", proto, "-p", proto ]602                    else:603                        if ipv == "ipv4":604                            command += [ "-p", proto ]605                        else:606                            command += [ "-m", "ipv6header", "--header", proto ]607                    if port:608                        command += [ "--dport", "%s" % portStr(port) ]609                    if ipv in svc.destination and svc.destination[ipv] != "":610                        command += [ "-d",  svc.destination[ipv] ]611                    command += [ "-m", "conntrack", "--ctstate", "NEW" ]612                    self.__rule_log(ipv, table, target, rule, command, rules)613                    self.__rule_audit(ipv, table, target, rule, command, rules)614                    self.__rule_action(ipv, table, target, rule, command, rules)615            # PORT616            elif type(rule.element) == Rich_Port:617                port = rule.element.port618                protocol = rule.element.protocol619                self.check_port(port, protocol)620                table = "filter"621                chains.append([ table, "INPUT" ])622                target = self._zones[zone].target.format(chain=SHORTCUTS["INPUT"],623                                                         zone=zone)624                command = [ ]625                self.__rule_source(rule.source, command)626                self.__rule_destination(rule.destination, command)627                command += [ "-m", protocol, "-p", protocol,628                           "--dport", portStr(port),629                           "-m", "conntrack", "--ctstate", "NEW" ]630                self.__rule_log(ipv, table, target, rule, command, rules)631                self.__rule_audit(ipv, table, target, rule, command, rules)632                self.__rule_action(ipv, table, target, rule, command, rules)633            # PROTOCOL634            elif type(rule.element) == Rich_Protocol:635                protocol = rule.element.value636                self.check_protocol(protocol)637                table = "filter"638                chains.append([ table, "INPUT" ])639                target = self._zones[zone].target.format(chain=SHORTCUTS["INPUT"],640                                                         zone=zone)641                command = [ ]642                self.__rule_source(rule.source, command)643                self.__rule_destination(rule.destination, command)644                command += [ "-p", protocol, 645                             "-m", "conntrack", "--ctstate", "NEW" ]646                self.__rule_log(ipv, table, target, rule, command, rules)647                self.__rule_audit(ipv, table, target, rule, command, rules)648                self.__rule_action(ipv, table, target, rule, command, rules)649            # MASQUERADE650            elif type(rule.element) == Rich_Masquerade:651                if enable:652                    enable_ip_forwarding(ipv)653                chains.append([ "nat", "POSTROUTING" ])654                chains.append([ "filter", "FORWARD_OUT" ])655                # POSTROUTING656                target = DEFAULT_ZONE_TARGET.format(657                    chain=SHORTCUTS["POSTROUTING"], zone=zone)658                command = [ ]659                self.__rule_source(rule.source, command)660                self.__rule_destination(rule.destination, command)661                command += [ "-j", "MASQUERADE" ]662                rules.append((ipv, "nat", "%s_allow" % target, command))663                # FORWARD_OUT664                target = DEFAULT_ZONE_TARGET.format(665                    chain=SHORTCUTS["FORWARD_OUT"], zone=zone)666                command = [ ]667                # reverse source/destination !668                self.__rule_source(rule.destination, command)669                self.__rule_destination(rule.source, command)670                command += [ "-j", "ACCEPT" ]671                rules.append((ipv, "filter", "%s_allow" % target, command))672            # FORWARD PORT673            elif type(rule.element) == Rich_ForwardPort:674                if enable:675                    enable_ip_forwarding(ipv)676                port = rule.element.port677                protocol = rule.element.protocol678                toport = rule.element.to_port679                toaddr = rule.element.to_address680                self.check_forward_port(ipv, port, protocol, toport, toaddr)681                if enable:682                    mark_id = self._fw.new_mark()683                filter_chain = "INPUT" if not toaddr else "FORWARD_IN"684                chains.append([ "mangle", "PREROUTING" ])685                chains.append([ "nat", "PREROUTING" ])686                chains.append([ "filter", filter_chain ])687                mark_str = "0x%x" % mark_id688                port_str = portStr(port)689                dest = [ ]690                to = ""691                if toaddr:692                    to += toaddr693                if toport and toport != "":694                    toport_str = portStr(toport)695                    dest = [ "--dport", toport_str ]696                    to += ":%s" % portStr(toport, "-")697                mark = [ "-m", "mark", "--mark", mark_str ]698                target = DEFAULT_ZONE_TARGET.format(chain=SHORTCUTS["PREROUTING"],699                                                    zone=zone)700                command = [ ]701                self.__rule_source(rule.source, command)702                command += [ "-p", protocol, "--dport", port_str,703                             "-j", "MARK", "--set-mark", mark_str ]704                rules.append((ipv, "mangle", "%s_allow" % target, command))705                # local and remote706                command = [ "-p", protocol ] + mark + \707                    [ "-j", "DNAT", "--to-destination", to ]708                rules.append((ipv, "nat", "%s_allow" % target, command))709                target = DEFAULT_ZONE_TARGET.format(chain=SHORTCUTS[filter_chain],710                                                    zone=zone)711                command = [ "-m", "conntrack", "--ctstate", "NEW" ] + \712                    mark + [ "-j", "ACCEPT" ]713                rules.append((ipv, "filter", "%s_allow" % target, command))714                if not enable:715                    self._fw.del_mark(mark_id)716            # ICMP BLOCK717            elif type(rule.element) == Rich_IcmpBlock:718                ict = self._fw.icmptype.get_icmptype(rule.element.name)719                if rule.action and type(rule.action) == Rich_Accept:720                    # icmp block might have reject or drop action, but not accept721                    raise FirewallError(INVALID_RULE,722                                        "IcmpBlock not usable with accept action")723                if ict.destination and ipv not in ict.destination:724                    raise FirewallError(INVALID_RULE,725                                        "IcmpBlock %s not usable with %s" % 726                                        (rule.element.name, ipv))727                table = "filter"728                chains.append([ table, "INPUT" ])729                chains.append([ table, "FORWARD_IN" ])730                if ipv == "ipv4":731                    proto = [ "-p", "icmp" ]732                    match = [ "-m", "icmp", "--icmp-type", rule.element.name ]733                else:734                    proto = [ "-p", "ipv6-icmp" ]735                    match = [ "-m", "icmp6", "--icmpv6-type", rule.element.name ]736                # INPUT737                target = DEFAULT_ZONE_TARGET.format(chain=SHORTCUTS["INPUT"],738                                                    zone=zone)739                command = [ ]740                self.__rule_source(rule.source, command)741                self.__rule_destination(rule.destination, command)742                command += proto + match743                self.__rule_log(ipv, table, target, rule, command, rules)744                self.__rule_audit(ipv, table, target, rule, command, rules)745                if rule.action:746                    self.__rule_action(ipv, table, target, rule, command, rules)747                else:748                    command += [ "-j", "%%REJECT%%" ]749                    rules.append((ipv, table, "%s_deny" % target, command))750                # FORWARD_IN751                target = DEFAULT_ZONE_TARGET.format(chain=SHORTCUTS["FORWARD_IN"],752                                                    zone=zone)753                command = [ ]754                self.__rule_source(rule.source, command)755                self.__rule_destination(rule.destination, command)756                command += proto + match757                self.__rule_log(ipv, table, target, rule, command, rules)758                self.__rule_audit(ipv, table, target, rule, command, rules)759                if rule.action:760                    self.__rule_action(ipv, table, target, rule, command, rules)761                else:762                    command += [ "-j", "%%REJECT%%" ]763                    rules.append((ipv, table, "%s_deny" % target, command))764            elif rule.element == None:765                # source action766                table = "filter"767                chains.append([ table, "INPUT" ])768                target = DEFAULT_ZONE_TARGET.format(chain=SHORTCUTS["INPUT"],769                                                    zone=zone)770                command = [ ]771                self.__rule_source(rule.source, command)772                self.__rule_log(ipv, table, target, rule, command, rules)773                self.__rule_audit(ipv, table, target, rule, command, rules)774                self.__rule_action(ipv, table, target, rule, command, rules)775            # EVERYTHING ELSE776            else:777                raise FirewallError(INVALID_RULE, "Unknown element %s" % 778                                    type(rule.element))779        msg = self.handle_cmr(zone, chains, modules, rules, enable)780        if msg != None:781            raise FirewallError(COMMAND_FAILED, msg)782        return mark_id783    def add_rule(self, zone, rule, timeout=0, sender=None):784        _zone = self._fw.check_zone(zone)785        self._fw.check_panic()786        _obj = self._zones[_zone]787        rule_id = self.__rule_id(rule)788        if rule_id in _obj.settings["rules"]:789            raise FirewallError(ALREADY_ENABLED)790        mark = self.__rule(True, _zone, rule, None)791        _obj.settings["rules"][rule_id] = \792            self.__gen_settings(timeout, sender, mark=mark)793        return _zone794    def remove_rule(self, zone, rule):795        _zone = self._fw.check_zone(zone)796        self._fw.check_panic()797        _obj = self._zones[_zone]798        rule_id = self.__rule_id(rule)799        if not rule_id in _obj.settings["rules"]:800            raise FirewallError(NOT_ENABLED)801        if "mark" in _obj.settings["rules"][rule_id]:802            mark = _obj.settings["rules"][rule_id]["mark"]803        else:804            mark = None805        self.__rule(False, _zone, rule, mark)806        if rule_id in _obj.settings["rules"]:807            del _obj.settings["rules"][rule_id]808        return _zone809    def query_rule(self, zone, rule):810        return self.__rule_id(rule) in self.get_settings(zone)["rules"]811    def list_rules(self, zone):812        return list(self.get_settings(zone)["rules"].keys())813    # SERVICES814    def check_service(self, service):815        self._fw.check_service(service)816    def __service_id(self, service):817        self.check_service(service)818        return service819    def __service(self, enable, zone, service):820        svc = self._fw.service.get_service(service)821        if enable:822            self.add_chain(zone, "filter", "INPUT")823        rules = [ ]824        for ipv in [ "ipv4", "ipv6" ]:825            if len(svc.destination) > 0 and ipv not in svc.destination:826                # destination is set, only use if it contains ipv827                continue828            # handle rules829            for (port,proto) in svc.ports:830                target = DEFAULT_ZONE_TARGET.format(831                    chain=SHORTCUTS["INPUT"], zone=zone)832                rule = [ "%s_allow" % (target), "-t", "filter" ]833                if proto in [ "tcp", "udp" ]:834                    rule += [ "-m", proto, "-p", proto ]835                else:836                    if ipv == "ipv4":837                        rule += [ "-p", proto ]838                    else:839                        rule += [ "-m", "ipv6header", "--header", proto ]840                if port:841                    rule += [ "--dport", "%s" % portStr(port) ]842                if ipv in svc.destination and svc.destination[ipv] != "":843                    rule += [ "-d",  svc.destination[ipv] ]844                rule += [ "-m", "conntrack", "--ctstate", "NEW" ]845                rule += [ "-j", "ACCEPT" ]846                rules.append((ipv, rule))847        cleanup_rules = None848        cleanup_modules = None849        msg = None850        # handle rules851        ret = self._fw.handle_rules(rules, enable)852        if ret == None: # no error, handle modules853            mod_ret = self._fw.handle_modules(svc.modules, enable)854            if mod_ret != None: # error loading modules855                (cleanup_modules, msg) = mod_ret856                cleanup_rules = rules857        else: # ret != None858            (cleanup_rules, msg) = ret859        if cleanup_rules!= None or cleanup_modules != None:860            if cleanup_rules:861                self._fw.handle_rules(cleanup_rules, not enable)862            if cleanup_modules:863                self._fw.handle_modules(cleanup_modules, not enable)864            raise FirewallError(COMMAND_FAILED, msg)865        if not enable:866            self.remove_chain(zone, "filter", "INPUT")867    def add_service(self, zone, service, timeout=0, sender=None):868        _zone = self._fw.check_zone(zone)869        self._fw.check_panic()870        _obj = self._zones[_zone]871        service_id = self.__service_id(service)872        if service_id in _obj.settings["services"]:873            raise FirewallError(ALREADY_ENABLED)874        self.__service(True, _zone, service)875        _obj.settings["services"][service_id] = \876            self.__gen_settings(timeout, sender)877        return _zone878    def remove_service(self, zone, service):879        _zone = self._fw.check_zone(zone)880        self._fw.check_panic()881        _obj = self._zones[_zone]882        service_id = self.__service_id(service)883        if not service_id in _obj.settings["services"]:884            raise FirewallError(NOT_ENABLED)885        self.__service(False, _zone, service)886        if service_id in _obj.settings["services"]:887            del _obj.settings["services"][service_id]888        return _zone889    def query_service(self, zone, service):890        return (self.__service_id(service) in self.get_settings(zone)["services"])891    def list_services(self, zone):892        return sorted(self.get_settings(zone)["services"].keys())893    # PORTS894    def check_port(self, port, protocol):895        self._fw.check_port(port)896        self._fw.check_protocol(protocol)897    def __port_id(self, port, protocol):898        self.check_port(port, protocol)899        return (portStr(port, "-"), protocol)900    def __port(self, enable, zone, port, protocol):901        if enable:902            self.add_chain(zone, "filter", "INPUT")903        rules = [ ]904        for ipv in [ "ipv4", "ipv6" ]:905            target = DEFAULT_ZONE_TARGET.format(chain=SHORTCUTS["INPUT"],906                                                     zone=zone)907            rules.append((ipv, [ "%s_allow" % (target),908                                 "-t", "filter",909                                 "-m", protocol, "-p", protocol,910                                 "--dport", portStr(port),911                                 "-m", "conntrack", "--ctstate", "NEW",912                                 "-j", "ACCEPT" ]))913        # handle rules914        ret = self._fw.handle_rules(rules, enable)915        if ret:916            (cleanup_rules, msg) = ret917            self._fw.handle_rules(cleanup_rules, not enable)918            raise FirewallError(COMMAND_FAILED, msg)919        920        if not enable:921            self.remove_chain(zone, "filter", "INPUT")922    def add_port(self, zone, port, protocol, timeout=0, sender=None):923        _zone = self._fw.check_zone(zone)924        self._fw.check_panic()925        _obj = self._zones[_zone]926        port_id = self.__port_id(port, protocol)927        if port_id in _obj.settings["ports"]:928            raise FirewallError(ALREADY_ENABLED)929        self.__port(True, _zone, port, protocol)930        _obj.settings["ports"][port_id] = \931            self.__gen_settings(timeout, sender)932        return _zone933    def remove_port(self, zone, port, protocol):934        _zone = self._fw.check_zone(zone)935        self._fw.check_panic()936        _obj = self._zones[_zone]937        port_id = self.__port_id(port, protocol)938        if not port_id in _obj.settings["ports"]:939            raise FirewallError(NOT_ENABLED)940        self.__port(False, _zone, port, protocol)941        if port_id in _obj.settings["ports"]:942            del _obj.settings["ports"][port_id]943        return _zone944    def query_port(self, zone, port, protocol):945        return self.__port_id(port, protocol) in self.get_settings(zone)["ports"]946    def list_ports(self, zone):947        return list(self.get_settings(zone)["ports"].keys())948    # PROTOCOLS949    def check_protocol(self, protocol):950        if not checkProtocol(protocol):951            raise FirewallError(INVALID_PROTOCOL, protocol)952    # MASQUERADE953    def __masquerade_id(self):954        return True955    def __masquerade(self, enable, zone):956        if enable:957            self.add_chain(zone, "nat", "POSTROUTING")958            self.add_chain(zone, "filter", "FORWARD_OUT")959            enable_ip_forwarding("ipv4")960        rules = [ ]961        for ipv in [ "ipv4" ]: # IPv4 only!962            target = DEFAULT_ZONE_TARGET.format(963                chain=SHORTCUTS["POSTROUTING"], zone=zone)964            rules.append((ipv, [ "%s_allow" % (target), "!", "-i", "lo",965                                 "-t", "nat", "-j", "MASQUERADE" ]))966            # FORWARD_OUT967            target = DEFAULT_ZONE_TARGET.format(968                chain=SHORTCUTS["FORWARD_OUT"], zone=zone)969            rules.append((ipv, [ "%s_allow" % (target),970                                 "-t", "filter", "-j", "ACCEPT" ]))971        # handle rules972        ret = self._fw.handle_rules(rules, enable)973        if ret:974            (cleanup_rules, msg) = ret975            self._fw.handle_rules(cleanup_rules, not enable)976            raise FirewallError(COMMAND_FAILED, msg)977        if not enable:978            self.remove_chain(zone, "nat", "POSTROUTING")979            self.remove_chain(zone, "filter", "FORWARD_OUT")980    def add_masquerade(self, zone, timeout=0, sender=None):981        _zone = self._fw.check_zone(zone)982        self._fw.check_panic()983        _obj = self._zones[_zone]984        masquerade_id = self.__masquerade_id()985        if masquerade_id in _obj.settings["masquerade"]:986            raise FirewallError(ALREADY_ENABLED)987        self.__masquerade(True, _zone)988        _obj.settings["masquerade"][masquerade_id] = \989            self.__gen_settings(timeout, sender)990        return _zone991    def remove_masquerade(self, zone):992        _zone = self._fw.check_zone(zone)993        self._fw.check_panic()994        _obj = self._zones[_zone]995        masquerade_id = self.__masquerade_id()996        if masquerade_id not in _obj.settings["masquerade"]:997            raise FirewallError(NOT_ENABLED)998        self.__masquerade(False, _zone)999        if masquerade_id in _obj.settings["masquerade"]:1000            del _obj.settings["masquerade"][masquerade_id]1001        return _zone1002    def query_masquerade(self, zone):1003        return self.__masquerade_id() in self.get_settings(zone)["masquerade"]1004    # PORT FORWARDING1005    def check_forward_port(self, ipv, port, protocol, toport=None, toaddr=None):1006        self._fw.check_port(port)1007        self._fw.check_protocol(protocol)1008        if toport:1009            self._fw.check_port(toport)1010        if toaddr:1011            check_single_address(ipv, toaddr)1012        if not toport and not toaddr:1013            raise FirewallError(INVALID_FORWARD)1014    def __forward_port_id(self, port, protocol, toport=None, toaddr=None):1015        self.check_forward_port("ipv4", port, protocol, toport, toaddr)1016        return (portStr(port, "-"), protocol,1017                portStr(toport, "-"), str(toaddr))1018    def __forward_port(self, enable, zone, port, protocol, toport=None,1019                       toaddr=None, mark_id=None):1020        mark_str = "0x%x" % mark_id1021        port_str = portStr(port)1022        dest = [ ]1023        to = ""1024        if toaddr:1025            to += toaddr1026        filter_chain = "INPUT" if not toaddr else "FORWARD_IN"1027        if toport and toport != "":1028            toport_str = portStr(toport)1029            dest = [ "--dport", toport_str ]1030            to += ":%s" % portStr(toport, "-")1031        mark = [ "-m", "mark", "--mark", mark_str ]1032        if enable:1033            self.add_chain(zone, "mangle", "PREROUTING")1034            self.add_chain(zone, "nat", "PREROUTING")1035            self.add_chain(zone, "filter", filter_chain)1036            enable_ip_forwarding("ipv4")1037        rules = [ ]1038        for ipv in [ "ipv4" ]: # IPv4 only!1039            target = DEFAULT_ZONE_TARGET.format(1040                chain=SHORTCUTS["PREROUTING"], zone=zone)1041            rules.append((ipv, [ "%s_allow" % (target),1042                                 "-t", "mangle",1043                                 "-p", protocol, "--dport", port_str,1044                                 "-j", "MARK", "--set-mark", mark_str ]))1045            # local and remote1046            rules.append((ipv, [ "%s_allow" % (target),1047                                 "-t", "nat",1048                                 "-p", protocol ] + mark + \1049                              [ "-j", "DNAT", "--to-destination", to ]))1050            target = DEFAULT_ZONE_TARGET.format(chain=SHORTCUTS[filter_chain],1051                                                zone=zone)1052            rules.append((ipv, [ "%s_allow" % (target),1053                                 "-t", "filter",1054                                 "-m", "conntrack", "--ctstate", "NEW" ] + \1055                               mark + [ "-j", "ACCEPT" ]))1056        # handle rules1057        ret = self._fw.handle_rules(rules, enable)1058        if ret:1059            (cleanup_rules, msg) = ret1060            self._fw.handle_rules(cleanup_rules, not enable)1061            if enable:1062                self._fw.del_mark(mark_id)1063            raise FirewallError(COMMAND_FAILED, msg)1064        if not enable:1065            self.remove_chain(zone, "mangle", "PREROUTING")1066            self.remove_chain(zone, "nat", "PREROUTING")1067            self.remove_chain(zone, "filter", filter_chain)1068    def add_forward_port(self, zone, port, protocol, toport=None,1069                         toaddr=None, timeout=0, sender=None):1070        _zone = self._fw.check_zone(zone)1071        self._fw.check_panic()1072        _obj = self._zones[_zone]1073        forward_id = self.__forward_port_id(port, protocol, toport, toaddr)1074        if forward_id in _obj.settings["forward_ports"]:1075            raise FirewallError(ALREADY_ENABLED)1076        mark = self._fw.new_mark()1077        self.__forward_port(True, _zone, port, protocol, toport, toaddr,1078                            mark_id=mark)1079        1080        _obj.settings["forward_ports"][forward_id] = \1081            self.__gen_settings(timeout, sender, mark=mark)1082        return _zone1083    def remove_forward_port(self, zone, port, protocol, toport=None,1084                            toaddr=None):1085        _zone = self._fw.check_zone(zone)1086        self._fw.check_panic()1087        _obj = self._zones[_zone]1088        forward_id = self.__forward_port_id(port, protocol, toport, toaddr)1089        if not forward_id in _obj.settings["forward_ports"]:1090            raise FirewallError(NOT_ENABLED)1091        mark = _obj.settings["forward_ports"][forward_id]["mark"]1092        self.__forward_port(False, _zone, port, protocol, toport, toaddr,1093                            mark_id=mark)1094        if forward_id in _obj.settings["forward_ports"]:1095            del _obj.settings["forward_ports"][forward_id]1096        self._fw.del_mark(mark)1097        return _zone1098    def query_forward_port(self, zone, port, protocol, toport=None,1099                           toaddr=None):1100        forward_id = self.__forward_port_id(port, protocol, toport, toaddr)1101        return forward_id in self.get_settings(zone)["forward_ports"]1102    def list_forward_ports(self, zone):1103        return list(self.get_settings(zone)["forward_ports"].keys())1104    # ICMP BLOCK1105    def check_icmp_block(self, icmp):1106        self._fw.check_icmptype(icmp)1107    def __icmp_block_id(self, icmp):1108        self.check_icmp_block(icmp)1109        return icmp1110    def __icmp_block(self, enable, zone, icmp):1111        ict = self._fw.icmptype.get_icmptype(icmp)1112        if enable:1113            self.add_chain(zone, "filter", "INPUT")1114            self.add_chain(zone, "filter", "FORWARD_IN")1115        rules = [ ]1116        for ipv in [ "ipv4", "ipv6" ]:1117            if ict.destination and ipv not in ict.destination:1118                continue1119            if ipv == "ipv4":1120                proto = [ "-p", "icmp" ]1121                match = [ "-m", "icmp", "--icmp-type", icmp ]1122            else:1123                proto = [ "-p", "ipv6-icmp" ]1124                match = [ "-m", "icmp6", "--icmpv6-type", icmp ]1125            target = DEFAULT_ZONE_TARGET.format(chain=SHORTCUTS["INPUT"],1126                                                     zone=zone)1127            rules.append((ipv, [ "%s_deny" % (target),1128                                 "-t", "filter", ] + proto + \1129                              match + [ "-j", "%%REJECT%%" ]))1130            target = DEFAULT_ZONE_TARGET.format(1131                chain=SHORTCUTS["FORWARD_IN"], zone=zone)1132            rules.append((ipv, [ "%s_deny" % (target),1133                                 "-t", "filter", ] + proto + \1134                              match + [ "-j", "%%REJECT%%" ]))1135        # handle rules1136        ret = self._fw.handle_rules(rules, enable)1137        if ret:1138            (cleanup_rules, msg) = ret1139            self._fw.handle_rules(cleanup_rules, not enable)1140            raise FirewallError(COMMAND_FAILED, msg)1141        if not enable:1142            self.remove_chain(zone, "filter", "INPUT")1143            self.remove_chain(zone, "filter", "FORWARD_IN")1144    def add_icmp_block(self, zone, icmp, timeout=0, sender=None):1145        _zone = self._fw.check_zone(zone)1146        self._fw.check_panic()1147        _obj = self._zones[_zone]1148        icmp_id = self.__icmp_block_id(icmp)1149        if icmp_id in _obj.settings["icmp_blocks"]:1150            raise FirewallError(ALREADY_ENABLED)1151        self.__icmp_block(True, _zone, icmp)1152        _obj.settings["icmp_blocks"][icmp_id] = \1153            self.__gen_settings(timeout, sender)1154        return _zone1155    def remove_icmp_block(self, zone, icmp):1156        _zone = self._fw.check_zone(zone)1157        self._fw.check_panic()1158        _obj = self._zones[_zone]1159        icmp_id = self.__icmp_block_id(icmp)1160        if not icmp_id in _obj.settings["icmp_blocks"]:1161            raise FirewallError(NOT_ENABLED)1162        self.__icmp_block(False, _zone, icmp)1163        if icmp_id in _obj.settings["icmp_blocks"]:1164            del _obj.settings["icmp_blocks"][icmp_id]1165        return _zone1166    def query_icmp_block(self, zone, icmp):1167        return self.__icmp_block_id(icmp) in self.get_settings(zone)["icmp_blocks"]1168    def list_icmp_blocks(self, zone):...

urls.py

Source:urls.py

1"""resolute URL Configuration2The `urlpatterns` list routes URLs to views. For more information please see:3    https://docs.djangoproject.com/en/2.0/topics/http/urls/4Examples:5Function views6    1. Add an import:  from my_app import views7    2. Add a URL to urlpatterns:  path('', views.home, name='home')8Class-based views9    1. Add an import:  from other_app.views import Home10    2. Add a URL to urlpatterns:  path('', Home.as_view(), name='home')11Including another URLconf12    1. Import the include() function: from django.urls import include, path13    2. Add a URL to urlpatterns:  path('blog/', include('blog.urls'))14"""15from django.contrib import admin16from django.urls import path17from . import views18urlpatterns = [19    path('', views.index, name='index'),20    path('power/', views.power, name='power'),21    path('last_read/', views.last_read, name='last_read'),22    path('get_last_read/', views.get_last_read, name='get_last_read'),23    path('score_card/', views.score_card, name='score_card'),24    path('voltage/', views.voltage, name='voltage'),25    path('current/', views.current, name='current'),26    path('readings/', views.readings, name='readings'),27    path('energy_readings/', views.energy_readings, name='energy_readings'),28    path('get_energy_readings/', views.get_energy_readings, name='get_energy_readings'),29    path('get_line_readings/', views.get_line_readings, name='get_line_readings'),30    path('max_demand/', views.max_demand, name='max_demand'),31    path('fetch_vals_period/', views.fetch_vals_period, name='fetch_vals_period'),32    path('fetch_device_vals/', views.fetch_vals_period_per_device, name='fetch_vals_period_per_device'),33    path('load_datalogs/', views.load_datalogs, name='load_datalogs'),34    path('load_readings/', views.load_readings, name='load_readings'),35    path('get_yesterday_today_usage/', views.get_yesterday_today_usage, name='get_yesterday_today_usage'),36    path('get_line_readings_log/', views.get_line_readings_log, name='get_line_readings_log'),37    path('get_capacity_factors/', views.get_capacity_factors, name='get_capacity_factors'),38    path('messaging/', views.messaging, name='messaging'),39    path('fetch_messages/', views.fetch_messages, name='fetch_messages'),40    path('check_new_message/', views.check_new_message, name='check_new_message'),41    path('send_message/', views.send_message, name='send_message'),42    path('simple_upload/', views.simple_upload, name='simple_upload'),43    path('upload_cdd/', views.upload_cdd, name='upload_cdd'),44    path('all_customers/', views.all_customers, name='all_customers'),45    path('view_customer/<int:id>', views.view_customer, name='view_customer'),46    path('view_profile/', views.view_profile, name='view_profile'),47    path('upload_image/', views.upload_image, name='upload_image'),48    path('update_details/', views.update_details, name='update_details'),49    path('add_user/', views.add_user, name='add_user'),50    path('edit_user/', views.edit_user, name='edit_user'),51    path('update_branch/', views.update_branch, name='update_branch'),52    path('update_device/', views.update_device, name='update_device'),53    path('create_branch/', views.create_branch, name='create_branch'),54    path('create_device/', views.create_device, name='create_device'),55    path('update_historic_scores/', views.update_historic_scores, name='update_historic_scores'),56    path('get_total_energy/', views.get_total_energy, name='get_total_energy'),57    path('get_stats/', views.get_stats, name='get_stats'),58    # path('detail_view', views.detail_view, name='detail_view'),59    # path('locationpost', views.locationpost, name='locationpost'),60    # path('incidents', views.incidents, name='incidents'),61    # path('table', views.table, name='table'),62    # path('logs', views.logs, name='logs'),63    # # path('track', views.track, name='track')64    # path('check/<slug:slug>/', views.check, name='check'),65    # path('collection_check/<int:id>/', views.collection_check, name='collection_check'),66    # path('track/<slug:slug>/', views.track, name='track'),67    # path('trail/<slug:slug>/', views.trail, name='trail'),68    # path('mapping/<slug:slug>/', views.mapping, name='mapping'),69    # path('get_lat_lng/<slug:id>', views.get_lat_lng, name='get_lat_lng'),# FOR PROFILE REALTIME MAP70    # path('get_latlng/<slug:username>', views.get_latlng, name='get_latlng'),71    # path('get_latlng_incident/<slug:username>/<slug:incident>/', views.get_latlng_incident, name='get_latlng_incident'),72    # path('post_latlng', views.post_latlng, name='post_latlng'),73    # path('check_panic', views.check_panic, name='check_panic'),74    # path('create_panic', views.create_panic, name='create_panic'),75    # path('resolve_panic_mobile', views.resolve_panic_mobile, name='resolve_panic_mobile'),76    # path('resolve_panic', views.resolve_panic, name='resolve_panic'),77    # path('recurring_gps_post', views.recurring_gps_post, name='recurring_gps_post'),78    # path('farmers', views.farmers, name='farmers'),79    # path('herdsmen', views.herdsmen, name='herdsmen'),80    # path('get_client_data', views.get_client_data, name='get_client_data'),81    # path('profile_page/<int:target_id>/<slug:is_farmer>', views.profile_page, name='profile_page')82    83    # path('test', views.test, name='test'),...

Automation Testing Tutorials

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