:: **Zploit** v1.0 | Current Path: **/usr/lib/python3.6/site-packages/dnf/automatic/**
:: Editing File: main.py
# __init__.py # dnf.automatic CLI # # Copyright (C) 2014-2016 Red Hat, Inc. # # This copyrighted material is made available to anyone wishing to use, # modify, copy, or redistribute it subject to the terms and conditions of # the GNU General Public License v.2, or (at your option) any later version. # This program is distributed in the hope that it will be useful, but WITHOUT # ANY WARRANTY expressed or implied, including the implied warranties 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, write to the # Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA # 02110-1301, USA. Any Red Hat trademarks that are incorporated in the # source code or documentation are not subject to the GNU General Public # License and may only be used or replicated with the express permission of # Red Hat, Inc. # from __future__ import absolute_import from __future__ import print_function from __future__ import unicode_literals import argparse import logging import os import random import socket import time from dnf.i18n import _, ucd, P_ import dnf import dnf.automatic.emitter import dnf.cli import dnf.cli.cli import dnf.cli.output import dnf.conf import dnf.const import dnf.exceptions import dnf.util import dnf.logging import dnf.pycomp import libdnf.conf logger = logging.getLogger('dnf') def build_emitters(conf): emitters = dnf.util.MultiCallList([]) system_name = conf.emitters.system_name emit_via = conf.emitters.emit_via if emit_via: for name in emit_via: if name == 'email': emitter = dnf.automatic.emitter.EmailEmitter(system_name, conf.email) emitters.append(emitter) elif name == 'stdio': emitter = dnf.automatic.emitter.StdIoEmitter(system_name) emitters.append(emitter) elif name == 'motd': emitter = dnf.automatic.emitter.MotdEmitter(system_name) emitters.append(emitter) elif name == 'command': emitter = dnf.automatic.emitter.CommandEmitter(system_name, conf.command) emitters.append(emitter) elif name == 'command_email': emitter = dnf.automatic.emitter.CommandEmailEmitter(system_name, conf.command_email) emitters.append(emitter) else: raise dnf.exceptions.ConfigError("Unknown emitter option: %s" % name) return emitters def parse_arguments(args): parser = argparse.ArgumentParser() parser.add_argument('conf_path', nargs='?') parser.add_argument('--timer', action='store_true') parser.add_argument('--installupdates', dest='installupdates', action='store_true') parser.add_argument('--downloadupdates', dest='downloadupdates', action='store_true') parser.add_argument('--no-installupdates', dest='installupdates', action='store_false') parser.add_argument('--no-downloadupdates', dest='downloadupdates', action='store_false') parser.set_defaults(installupdates=None) parser.set_defaults(downloadupdates=None) return parser.parse_args(args), parser class AutomaticConfig(object): def __init__(self, filename=None, downloadupdates=None, installupdates=None): if filename: # Specific config file was explicitely requested. Check that it exists # and is readable. if os.access(filename, os.F_OK): if not os.access(filename, os.R_OK): raise dnf.exceptions.Error( "Configuration file \"{}\" is not readable.".format(filename)) else: raise dnf.exceptions.Error( "Configuration file \"{}\" not found.".format(filename)) else: filename = dnf.const.CONF_AUTOMATIC_FILENAME self.commands = CommandsConfig() self.email = EmailConfig() self.emitters = EmittersConfig() self.command = CommandConfig() self.command_email = CommandEmailConfig() self._parser = None self._load(filename) if downloadupdates: self.commands.download_updates = True elif downloadupdates is False: self.commands.download_updates = False if installupdates: self.commands.apply_updates = True elif installupdates is False: self.commands.apply_updates = False self.commands.imply() self.filename = filename def _load(self, filename): parser = libdnf.conf.ConfigParser() try: parser.read(filename) except RuntimeError as e: raise dnf.exceptions.ConfigError('Parsing file "%s" failed: %s' % (filename, e)) except IOError as e: logger.warning(e) self.commands.populate(parser, 'commands', filename, libdnf.conf.Option.Priority_AUTOMATICCONFIG) self.email.populate(parser, 'email', filename, libdnf.conf.Option.Priority_AUTOMATICCONFIG) self.emitters.populate(parser, 'emitters', filename, libdnf.conf.Option.Priority_AUTOMATICCONFIG) self.command.populate(parser, 'command', filename, libdnf.conf.Option.Priority_AUTOMATICCONFIG) self.command_email.populate(parser, 'command_email', filename, libdnf.conf.Option.Priority_AUTOMATICCONFIG) self._parser = parser def update_baseconf(self, baseconf): baseconf._populate(self._parser, 'base', self.filename, dnf.conf.PRIO_AUTOMATICCONFIG) class Config(object): def __init__(self): self._options = {} def add_option(self, name, optionobj): self._options[name] = optionobj def prop_get(obj): return obj._options[name].getValue() def prop_set(obj, val): obj._options[name].set(libdnf.conf.Option.Priority_RUNTIME, val) setattr(type(self), name, property(prop_get, prop_set)) def populate(self, parser, section, filename, priority): """Set option values from an INI file section.""" if parser.hasSection(section): for name in parser.options(section): value = parser.getValue(section, name) if not value or value == 'None': value = '' opt = self._options.get(name, None) if opt: try: opt.set(priority, value) except RuntimeError as e: logger.debug(_('Unknown configuration value: %s=%s in %s; %s'), ucd(name), ucd(value), ucd(filename), str(e)) else: logger.debug( _('Unknown configuration option: %s = %s in %s'), ucd(name), ucd(value), ucd(filename)) class CommandsConfig(Config): def __init__(self): super(CommandsConfig, self).__init__() self.add_option('apply_updates', libdnf.conf.OptionBool(False)) self.add_option('base_config_file', libdnf.conf.OptionString('/etc/dnf/dnf.conf')) self.add_option('download_updates', libdnf.conf.OptionBool(False)) self.add_option('upgrade_type', libdnf.conf.OptionEnumString('default', libdnf.conf.VectorString(['default', 'security']))) self.add_option('random_sleep', libdnf.conf.OptionNumberInt32(300)) self.add_option('network_online_timeout', libdnf.conf.OptionNumberInt32(60)) def imply(self): if self.apply_updates: self.download_updates = True class EmailConfig(Config): def __init__(self): super(EmailConfig, self).__init__() self.add_option('email_to', libdnf.conf.OptionStringList(libdnf.conf.VectorString(["root"]))) self.add_option('email_from', libdnf.conf.OptionString("root")) self.add_option('email_host', libdnf.conf.OptionString("localhost")) self.add_option('email_port', libdnf.conf.OptionNumberInt32(25)) class CommandConfig(Config): _default_command_format = "cat" _default_stdin_format = "{body}" def __init__(self): super(CommandConfig, self).__init__() self.add_option('command_format', libdnf.conf.OptionString(self._default_command_format)) self.add_option('stdin_format', libdnf.conf.OptionString(self._default_stdin_format)) class CommandEmailConfig(CommandConfig): _default_command_format = "mail -Ssendwait -s {subject} -r {email_from} {email_to}" def __init__(self): super(CommandEmailConfig, self).__init__() self.add_option('email_to', libdnf.conf.OptionStringList(libdnf.conf.VectorString(["root"]))) self.add_option('email_from', libdnf.conf.OptionString("root")) class EmittersConfig(Config): def __init__(self): super(EmittersConfig, self).__init__() self.add_option('emit_via', libdnf.conf.OptionStringList( libdnf.conf.VectorString(['email', 'stdio']))) self.add_option('output_width', libdnf.conf.OptionNumberInt32(80)) self.add_option('system_name', libdnf.conf.OptionString(socket.gethostname())) def gpgsigcheck(base, pkgs): ok = True for po in pkgs: result, errmsg = base.package_signature_check(po) if result != 0: ok = False logger.critical(errmsg) if not ok: raise dnf.exceptions.Error(_("GPG check FAILED")) def wait_for_network(repos, timeout): ''' Wait up to <timeout> seconds for network connection to be available. if <timeout> is 0 the network availability detection will be skipped. Returns True if any remote repository is accessible or remote repositories are not enabled. Returns False if none of remote repositories is accessible. ''' if timeout <= 0: return True remote_schemes = { 'http': 80, 'https': 443, 'ftp': 21, 'socks': 1080, 'socks5': 1080, } def remote_address(url_list): for url in url_list: parsed_url = dnf.pycomp.urlparse.urlparse(url) if (not parsed_url.hostname) \ or (not parsed_url.port and parsed_url.scheme not in remote_schemes): # skip urls without hostname or without recognized port continue yield (parsed_url.hostname, parsed_url.port or remote_schemes[parsed_url.scheme]) # collect possible remote repositories urls addresses = set() for repo in repos.iter_enabled(): if repo.proxy: addresses.update(remote_address([repo.proxy])) else: addresses.update(remote_address(repo.baseurl)) addresses.update(remote_address([repo.mirrorlist])) addresses.update(remote_address([repo.metalink])) if not addresses: # there is no remote repository enabled so network connection should not be needed return True logger.debug(_('Waiting for internet connection...')) time_0 = time.time() while time.time() - time_0 < timeout: for host, port in addresses: try: s = socket.create_connection((host, port), 1) s.close() return True except socket.error: pass time.sleep(1) return False def main(args): (opts, parser) = parse_arguments(args) conf = None emitters = None try: conf = AutomaticConfig(opts.conf_path, opts.downloadupdates, opts.installupdates) with dnf.Base() as base: cli = dnf.cli.Cli(base) cli._read_conf_file() # Although dnf-automatic does not use demands, the versionlock # plugin uses this demand do decide whether it's rules should # be applied. # https://bugzilla.redhat.com/show_bug.cgi?id=1746562 cli.demands.resolving = True conf.update_baseconf(base.conf) base.init_plugins(cli=cli) logger.debug(_('Started dnf-automatic.')) if opts.timer: sleeper = random.randint(0, conf.commands.random_sleep) logger.debug(P_('Sleep for {} second', 'Sleep for {} seconds', sleeper).format(sleeper)) time.sleep(sleeper) base.pre_configure_plugins() base.read_all_repos() if not wait_for_network(base.repos, conf.commands.network_online_timeout): logger.warning(_('System is off-line.')) base.configure_plugins() base.fill_sack() upgrade(base, conf.commands.upgrade_type) base.resolve() output = dnf.cli.output.Output(base, base.conf) trans = base.transaction if not trans: return 0 lst = output.list_transaction(trans, total_width=80) emitters = build_emitters(conf) emitters.notify_available(lst) if not conf.commands.download_updates: emitters.commit() return 0 base.download_packages(trans.install_set) emitters.notify_downloaded() if not conf.commands.apply_updates: emitters.commit() return 0 gpgsigcheck(base, trans.install_set) base.do_transaction() # In case of no global error occurred within the transaction, # we need to check state of individual transaction items. for tsi in trans: if tsi.state == libdnf.transaction.TransactionItemState_ERROR: raise dnf.exceptions.Error(_('Transaction failed')) emitters.notify_applied() emitters.commit() except dnf.exceptions.Error as exc: logger.error(_('Error: %s'), ucd(exc)) return 1 return 0 def upgrade(base, upgrade_type): if upgrade_type == 'security': base._update_security_filters.append(base.sack.query().upgrades().filterm( advisory_type='security')) base.upgrade_all() elif upgrade_type == 'default': base.upgrade_all() else: raise dnf.exceptions.Error( 'Unsupported upgrade_type "{}", only "default" and "security" supported'.format( upgrade_type))