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python3.6
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firewall
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errors.py
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# -*- coding: utf-8 -*- # # Copyright (C) 2010-2012 Red Hat, Inc. # # Authors: # Thomas Woerner <twoerner@redhat.com> # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program 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 General Public License for more details. # # You should have received a copy of the GNU General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. # ALREADY_ENABLED = 11 NOT_ENABLED = 12 COMMAND_FAILED = 13 NO_IPV6_NAT = 14 PANIC_MODE = 15 ZONE_ALREADY_SET = 16 UNKNOWN_INTERFACE = 17 ZONE_CONFLICT = 18 BUILTIN_CHAIN = 19 EBTABLES_NO_REJECT = 20 NOT_OVERLOADABLE = 21 NO_DEFAULTS = 22 BUILTIN_ZONE = 23 BUILTIN_SERVICE = 24 BUILTIN_ICMPTYPE = 25 NAME_CONFLICT = 26 NAME_MISMATCH = 27 PARSE_ERROR = 28 ACCESS_DENIED = 29 UNKNOWN_SOURCE = 30 RT_TO_PERM_FAILED = 31 IPSET_WITH_TIMEOUT = 32 BUILTIN_IPSET = 33 ALREADY_SET = 34 MISSING_IMPORT = 35 DBUS_ERROR = 36 BUILTIN_HELPER = 37 NOT_APPLIED = 38 INVALID_ACTION = 100 INVALID_SERVICE = 101 INVALID_PORT = 102 INVALID_PROTOCOL = 103 INVALID_INTERFACE = 104 INVALID_ADDR = 105 INVALID_FORWARD = 106 INVALID_ICMPTYPE = 107 INVALID_TABLE = 108 INVALID_CHAIN = 109 INVALID_TARGET = 110 INVALID_IPV = 111 INVALID_ZONE = 112 INVALID_PROPERTY = 113 INVALID_VALUE = 114 INVALID_OBJECT = 115 INVALID_NAME = 116 INVALID_FILENAME = 117 INVALID_DIRECTORY = 118 INVALID_TYPE = 119 INVALID_SETTING = 120 INVALID_DESTINATION = 121 INVALID_RULE = 122 INVALID_LIMIT = 123 INVALID_FAMILY = 124 INVALID_LOG_LEVEL = 125 INVALID_AUDIT_TYPE = 126 INVALID_MARK = 127 INVALID_CONTEXT = 128 INVALID_COMMAND = 129 INVALID_USER = 130 INVALID_UID = 131 INVALID_MODULE = 132 INVALID_PASSTHROUGH = 133 INVALID_MAC = 134 INVALID_IPSET = 135 INVALID_ENTRY = 136 INVALID_OPTION = 137 INVALID_HELPER = 138 INVALID_PRIORITY = 139 INVALID_POLICY = 140 MISSING_TABLE = 200 MISSING_CHAIN = 201 MISSING_PORT = 202 MISSING_PROTOCOL = 203 MISSING_ADDR = 204 MISSING_NAME = 205 MISSING_SETTING = 206 MISSING_FAMILY = 207 RUNNING_BUT_FAILED = 251 NOT_RUNNING = 252 NOT_AUTHORIZED = 253 UNKNOWN_ERROR = 254 import sys class FirewallError(Exception): def __init__(self, code, msg=None): self.code = code if msg is not None: # escape msg if needed if sys.version < '3': try: x = str(msg) # noqa: F841 except UnicodeEncodeError: msg = unicode(msg).encode("unicode_escape") # noqa: F821 self.msg = msg def __repr__(self): return '%s(%r, %r)' % (self.__class__, self.code, self.msg) def __str__(self): if self.msg: return "%s: %s" % (self.errors[self.code], self.msg) return self.errors[self.code] def get_code(msg): if ":" in msg: idx = msg.index(":") ecode = msg[:idx] else: ecode = msg try: code = FirewallError.codes[ecode] except KeyError: code = UNKNOWN_ERROR return code get_code = staticmethod(get_code) mod = sys.modules[FirewallError.__module__] FirewallError.errors = { getattr(mod,varname) : varname for varname in dir(mod) if not varname.startswith("_") and \ type(getattr(mod,varname)) == int } FirewallError.codes = { FirewallError.errors[code] : code for code in FirewallError.errors }