Файловый менеджер - Редактировать - /usr/sbin/authconfig
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#!/usr/libexec/platform-python # -*- coding: utf-8 -*- # # Authors: # Pavel Březina <pbrezina@redhat.com> # # Copyright (C) 2018 Red Hat # # 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 3 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/>. # import os import sys import locale import gettext import subprocess from authcompat_Options import Options from authcompat_EnvironmentFile import EnvironmentFile from authcompat_ConfigSnippet import ConfigSnippet _ = gettext.gettext def eprint(*args, **kwargs): print(*args, file=sys.stderr, **kwargs) class Command: TEST = False def __init__(self, command, args, input=None, check=True): self.args = [command] + args self.input = input.encode() if input is not None else None self.check = check self.result = None def run(self): print(_("Executing: %s") % ' '.join(self.args)) if self.TEST: return self.result = subprocess.run(self.args, check=self.check, input=self.input, stdout=subprocess.PIPE, stderr=subprocess.PIPE) class Service: def __init__(self, name): self.name = name + '.service' def runsystemd(self, command, required, enoent_code): try: command.run() except subprocess.CalledProcessError as result: if required and result.returncode == enoent_code: eprint(_("Service %s was not found. Please install the service.") % self.name) elif result.returncode != enoent_code: eprint(_("Command [%s] failed with %d, stderr:") % (' '.join(result.cmd), result.returncode)) eprint(result.stderr.decode()) def enable(self): cmd = Command(Path.System("cmd-systemctl"), ["enable", self.name]) self.runsystemd(cmd, True, 1) def disable(self): cmd = Command(Path.System("cmd-systemctl"), ["disable", self.name]) self.runsystemd(cmd, False, 1) def start(self, Restart=True): if Restart: self.stop() cmd = Command(Path.System("cmd-systemctl"), ["start", self.name]) self.runsystemd(cmd, True, 5) def stop(self): cmd = Command(Path.System("cmd-systemctl"), ["stop", self.name]) self.runsystemd(cmd, False, 5) class Path: LocalDir = os.path.dirname(os.path.realpath(__file__)) Config = EnvironmentFile(LocalDir + "/authcompat_paths") Files = { 'ldap.conf': '/etc/openldap/ldap.conf', 'krb5.conf': '/etc/krb5.conf.d/authconfig-krb.conf', 'sssd.conf': '/etc/sssd/conf.d/authconfig-sssd.conf', 'authconfig': '/etc/sysconfig/authconfig', 'network': '/etc/sysconfig/network', 'pwquality.conf': '/etc/security/pwquality.conf.d/10-authconfig-pwquality.conf', 'yp.conf': '/etc/yp.conf', 'cmd-systemctl': '/usr/bin/systemctl', 'cmd-authselect': '/usr/bin/authselect', 'cmd-realm': '/usr/sbin/realm', 'cmd-domainname': '/usr/bin/domainname', 'cmd-setsebool': '/usr/sbin/setsebool' } @staticmethod def Local(relpath): return "%s/%s" % (Path.LocalDir, relpath) @staticmethod def System(name): return Path.Files[name] class Configuration: class Base(object): def __init__(self, options, ServiceName=None): self.options = options self.service = None if ServiceName is not None: self.service = Service(ServiceName) def isEnabled(self): return True def isDisabled(self): return not self.isEnabled() def enableService(self, nostart): if self.service is None: return self.service.enable() if not nostart: self.service.start() def disableService(self, nostop): if self.service is None: return self.service.disable() if not nostop: self.service.stop() def cleanup(self): return def write(self): return def get(self, name): return self.options.get(name) def isset(self, name): return self.options.isset(name) def getTrueOrNone(self, name): return self.options.getTrueOrNone(name) def getBool(self, name): return self.options.getBool(name) def getBoolAsValue(self, name, if_true, if_false, AllowNone=False): if AllowNone and not self.isset(name): return None value = self.getBool(name) if value: return if_true return if_false def removeFile(self, filename): print(_("Removing file: %s") % filename) if self.options.getBool("test-call"): return try: os.remove(filename) except FileNotFoundError: return class LDAP(Base): def __init__(self, options): super(Configuration.LDAP, self).__init__(options) def write(self): config = EnvironmentFile(Path.System('ldap.conf'), " ", delimiter_re=r"\s\t", quotes=False) if self.isset("ldapserver"): config.set("URI", self.get("ldapserver")) if self.isset("ldapbasedn"): config.set("BASE", self.get("ldapbasedn")) config.write() class Kerberos(Base): def __init__(self, options): super(Configuration.Kerberos, self).__init__(options) def isEnabled(self): if not self.isset("krb5realm") and not self.isset("krb5realmdns"): return None return self.get("krb5realm") != "" or self.getBool("krb5realmdns") def cleanup(self): # Do not remove the file if these options are not set if not self.isset("krb5realm") and not self.isset("krb5realmdns"): return self.removeFile(Path.System('krb5.conf')) def write(self): if self.isDisabled(): return path = Path.Local("snippets/authconfig-krb.conf") config = ConfigSnippet(path, Path.System('krb5.conf')) realm = self.get("krb5realm") keys = { 'realm': self.get("krb5realm"), 'kdc-srv': self.get("krb5kdcdns"), 'realm-srv': self.get("krb5realmdns"), 'kdc': self.get("krb5kdc") if realm else None, 'adminserver': self.get("krb5adminserver") if realm else None, 'domain': realm.lower() if realm else None } config.write(keys) class Network(Base): def __init__(self, options): super(Configuration.Network, self).__init__(options) def write(self): nisdomain = self.get("nisdomain") config = EnvironmentFile(Path.System('network')) if nisdomain is None: return config.set("NISDOMAIN", nisdomain) config.write() class SSSD(Base): def __init__(self, options): super(Configuration.SSSD, self).__init__(options, ServiceName="sssd") def isEnabled(self): if not self.isset("ldap") and not self.isset("sssd"): return None return self.getBool("ldap") or self.getBool("sssd") def cleanup(self): self.removeFile(Path.System('sssd.conf')) def write(self): # Authconfig would not generate sssd in this case so we should not # either. Even if --enablesssd[auth] was provided the configuration # would not be generated. if not self.getBool("ldap"): return path = Path.Local("snippets/authconfig-sssd.conf") config = ConfigSnippet(path, Path.System('sssd.conf')) schema = "rfc2307bis" if self.getBool("rfc2307bis") else None keys = { 'ldap-uri': self.get("ldapserver"), 'ldap-basedn': self.get("ldapbasedn"), 'ldap-tls': self.getTrueOrNone("ldaptls"), 'ldap-schema': schema, 'krb5': self.getTrueOrNone("krb5"), 'kdc-uri': self.get("krb5kdc"), 'kpasswd-uri': self.get("krb5adminserver"), 'realm': self.get("krb5realm"), 'cache-creds': self.getTrueOrNone("cachecreds"), 'cert-auth': self.getTrueOrNone("smartcard") } config.write(keys) os.chmod(Path.System('sssd.conf'), mode=0o600) class Winbind(Base): def __init__(self, options): super(Configuration.Winbind, self).__init__(options, ServiceName="winbind") def isEnabled(self): if not self.isset("winbind") and not self.isset("winbindauth"): return None return self.getBool("winbind") or self.getBool("winbindauth") def write(self): if not self.isset("winbindjoin"): return creds = self.options.get("winbindjoin").split("%", 1) user = creds[0] password = None if len(creds) > 1: password = creds[1] + '\n' args = [ 'join', '-U', '"%s"' % user, '--client-software', 'winbind' ] if self.isset("smbworkgroup"): args.append(self.get("smbworkgroup")) cmd = Command(Path.System('cmd-realm'), args, input=password) try: cmd.run() except FileNotFoundError: eprint(_("%s was not found. Please, install realmd.") % Path.System('cmd-realm')) class PWQuality(Base): def __init__(self, options): super(Configuration.PWQuality, self).__init__(options) def write(self): config = EnvironmentFile(Path.System('pwquality.conf')) value_set = False pwopts = { "minlen": self.get("passminlen"), "minclass": self.get("passminclass"), "maxrepeat": self.get("passmaxrepeat"), "maxclassrepeat": self.get("passmaxclassrepeat"), "lcredit": self.getBoolAsValue("reqlower", -1, 0, AllowNone=True), "ucredit": self.getBoolAsValue("requpper", -1, 0, AllowNone=True), "dcredit": self.getBoolAsValue("reqdigit", -1, 0, AllowNone=True), "ocredit": self.getBoolAsValue("reqother", -1, 0, AllowNone=True) } # Write options only if their are actually set for opt, value in pwopts.items(): if value is not None: print(opt + "=" + str(value)) config.set(opt, value) value_set = True if value_set: config.write() class MakeHomedir(Base): def __init__(self, options): super(Configuration.MakeHomedir, self).__init__(options, ServiceName="oddjobd") def isEnabled(self): if not self.isset("mkhomedir"): return None return self.getBool("mkhomedir") def disableService(self, nostop): # Never disable the service in case it is already running as # other applications may depend on it. return class NIS(Base): def __init__(self, options): super(Configuration.NIS, self).__init__(options) self.rpcbind = Service("rpcbind") self.ypbind = Service("ypbind") def isEnabled(self): if not self.isset("nis"): return None return self.getBool("nis") def enableService(self, nostart): if not self.isset("nisdomain"): return nisdom = self.get("nisdomain") if not nostart: cmd = Command(Path.System('cmd-domainname'), [nisdom]) cmd.run() cmd = Command(Path.System('cmd-setsebool'), ['-P', 'allow_ypbind', '1']) cmd.run() self.rpcbind.enable() self.ypbind.enable() if not nostart: self.rpcbind.start(Restart=False) self.ypbind.start() def disableService(self, nostop): if not nostop: cmd = Command(Path.System('cmd-domainname'), ["(none)"]) cmd.run() cmd = Command(Path.System('cmd-setsebool'), ['-P', 'allow_ypbind', '0']) cmd.run() self.rpcbind.disable() self.ypbind.disable() if not nostop: self.rpcbind.stop() self.ypbind.stop() def write(self): if not self.isset("nisdomain"): return output = "domain " + self.get("nisdomain") additional_servers = [] if self.isset("nisserver"): servers = self.get("nisserver").split(",") additional_servers = servers[1:] output += " server " + servers[0] + "\n" else: output += " broadcast\n" for server in additional_servers: output += "ypserver " + server + "\n" filename = Path.System('yp.conf') if self.getBool("test-call"): print("========== BEGIN Content of [%s] ==========" % filename) print(output) print("========== END Content of [%s] ==========\n" % filename) return with open(filename, "w") as f: f.write(output) class AuthCompat: def __init__(self): self.sysconfig = EnvironmentFile(Path.System('authconfig')) self.options = Options() self.options.parse() self.options.applysysconfig(self.sysconfig) self.options.updatesysconfig(self.sysconfig) def printWarning(self): print(_("Running authconfig compatibility tool.")) print(_("The purpose of this tool is to enable authentication against " "chosen services with authselect and minimum configuration. " "It does not provide all capabilities of authconfig.\n")) print(_("IMPORTANT: authconfig is replaced by authselect, " "please update your scripts.")) print(_("See man authselect-migration(7) to help you with migration to authselect")) options = self.options.getSetButUnsupported() if options: print(_("Warning: These options are not supported anymore " "and have no effect:")) for name in options: print(" --%s" % name) print("") def printOptions(self): for option in Options.List: print("%s=%s" % (option.name, option.value)) def printSysconfig(self): for line in self.sysconfig.getall(): print("%s=%s" % (line.name, line.value)) def canContinue(self): disallowed = ["test", "probe", "restorebackup", "restorelastbackup"] required = ["update", "updateall", "kickstart"] if not self.options.getBool("test") and os.getuid() != 0: print(_("authconfig can only be run as root")) return False for option in disallowed: if self.options.getBool(option): print(_("Error: option --%s is no longer supported and we " "cannot continue if it is set." % option)) return False if self.options.getBool("winbind") != self.options.getBool("winbindauth"): print(_("Error: Both --enablewinbind and --enablewinbindauth must be set.")) return False # We require one of these options to perform changes # We encourage to use --updateall since we no longer support just pure # --update or --kickstart, they will act as --updateall. for option in required: if self.options.getBool(option): return True print(_("Error: Please, provide --updateall option.")) return False def runAuthselect(self): map = { 'smartcard': 'with-smartcard', 'requiresmartcard': 'with-smartcard-required', 'fingerprint': 'with-fingerprint', 'mkhomedir': 'with-mkhomedir', 'faillock': 'with-faillock', 'pamaccess': 'with-pamaccess', 'winbindkrb5': 'with-krb5' } # Read current configuration first. (profile, features) = self.getCurrentAuthselectConfig() # Change profile if requested. if (self.options.getBool("ldap") or self.options.getBool("ldapauth") or self.options.getBool("sssd") or self.options.getBool("sssdauth")): profile = "sssd" elif self.options.getBool("nis"): profile = "nis" elif self.options.getBool("winbind"): profile = "winbind" # Default to sssd if profile is None: profile = "sssd" # Add enabled and remove disabled features. for option, feature in map.items(): if not self.options.isset(option): continue enabled = self.options.getBool(option) if enabled: features.append(feature) else: while feature in features: features.remove(feature) # Add lock-on-smartcard-removal if requested if self.options.isset("smartcardaction"): if int(self.options.get("smartcardaction")) == 0: features.append("with-smartcard-lock-on-removal") else: features.remove("with-smartcard-lock-on-removal") # Remove duplicates. The order is not kept but that does not matter. features = list(set(features)) # Always run with --force. This is either first call of authconfig # in installation script or it is run on already configured system. # We want to use authselect in both cases anyway, since authconfig # would change the configuration either way. args = ["select", profile] args.extend(features) args.append("--force") cmd = Command(Path.System('cmd-authselect'), args) cmd.run() def getCurrentAuthselectConfig(self): cmd = Command(Path.System('cmd-authselect'), ['check'], check=False) cmd.run() if cmd.result is None or cmd.result.returncode != 0: return (None, []) cmd = Command(Path.System('cmd-authselect'), ['current', '--raw']) cmd.run() current = cmd.result.stdout.decode("utf-8").split() return (current[0], current[1:]) def writeConfiguration(self): configs = [ Configuration.LDAP(self.options), Configuration.Network(self.options), Configuration.Kerberos(self.options), Configuration.SSSD(self.options), Configuration.Winbind(self.options), Configuration.PWQuality(self.options), Configuration.MakeHomedir(self.options), Configuration.NIS(self.options) ] for config in configs: # Configuration decides if it needs to write something or not config.write() # Enable or disable service if needed nostart = self.options.getBool("nostart") try: enabled = config.isEnabled() # Skip service management if it can not be decided if enabled is None: continue if enabled: config.enableService(nostart) else: config.disableService(nostart) config.cleanup() except subprocess.CalledProcessError as result: # This is not fatal error. eprint(_("Command [%s] failed with %d, stderr:") % (' '.join(result.cmd), result.returncode)) eprint(result.stderr.decode()) def main(): try: locale.setlocale(locale.LC_ALL, '') except locale.Error: sys.stderr.write('Warning: Unsupported locale setting.\n') authcompat = AuthCompat() authcompat.printWarning() Command.TEST = authcompat.options.getBool("test-call") EnvironmentFile.TEST = authcompat.options.getBool("test-call") ConfigSnippet.TEST = authcompat.options.getBool("test-call") if not authcompat.canContinue(): sys.exit(1) try: authcompat.runAuthselect() authcompat.writeConfiguration() authcompat.sysconfig.write() except subprocess.CalledProcessError as result: eprint(_("Command [%s] failed with %d, stderr:") % (' '.join(result.cmd), result.returncode)) eprint(result.stderr.decode()) sys.exit(0) if __name__ == "__main__": main()
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