#!/usr/bin/env python # -*- coding: utf-8 -*- """ * ************************************************************************** * Contributions to this work were made on behalf of the GÉANT project, * a project that has received funding from the European Union’s Framework * Programme 7 under Grant Agreements No. 238875 (GN3) * and No. 605243 (GN3plus), Horizon 2020 research and innovation programme * under Grant Agreements No. 691567 (GN4-1) and No. 731122 (GN4-2). * On behalf of the aforementioned projects, GEANT Association is * the sole owner of the copyright in all material which was developed * by a member of the GÉANT project. * GÉANT Vereniging (Association) is registered with the Chamber of * Commerce in Amsterdam with registration number 40535155 and operates * in the UK as a branch of GÉANT Vereniging. * * Registered office: Hoekenrode 3, 1102BR Amsterdam, The Netherlands. * UK branch address: City House, 126-130 Hills Road, Cambridge CB2 1PQ, UK * * License: see the web/copyright.inc.php file in the file structure or * /copyright.php after deploying the software Authors: Tomasz Wolniewicz Michał Gasewicz (Network Manager support) Contributors: Steffen Klemer https://github.com/sklemer1 ikreb7 https://github.com/ikreb7 Many thanks for multiple code fixes, feature ideas, styling remarks much of the code provided by them in the form of pull requests has been incorporated into the final form of this script. This script is the main body of the CAT Linux installer. In the generation process configuration settings are added as well as messages which are getting translated into the language selected by the user. The script runs under python3. """ import argparse import base64 import getpass import os import platform import re import subprocess import sys import uuid from shutil import copyfile from typing import List, Type, Union NM_AVAILABLE = True CRYPTO_AVAILABLE = True DEBUG_ON = False parser = argparse.ArgumentParser(description='eduroam linux installer.') parser.add_argument('--debug', '-d', action='store_true', dest='debug', default=False, help='set debug flag') parser.add_argument('--username', '-u', action='store', dest='username', help='set username') parser.add_argument('--password', '-p', action='store', dest='password', help='set text_mode flag') parser.add_argument('--silent', '-s', action='store_true', dest='silent', help='set silent flag') parser.add_argument('--pfxfile', action='store', dest='pfx_file', help='set path to user certificate file') parser.add_argument("--wpa_conf", action='store_true', dest='wpa_conf', help='generate wpa_supplicant config file without configuring the system') ARGS = parser.parse_args() if ARGS.debug: DEBUG_ON = True print("Running debug mode") def debug(msg) -> None: """Print debugging messages to stdout""" if not DEBUG_ON: return else: print("DEBUG:" + str(msg)) def byte_to_string(barray: List) -> str: """conversion utility""" return "".join([chr(x) for x in barray]) debug(sys.version_info.major) try: import dbus except ImportError: debug("Cannot import the dbus module") NM_AVAILABLE = False try: from OpenSSL import crypto except ImportError: CRYPTO_AVAILABLE = False def detect_desktop_environment() -> str: """ Detect what desktop type is used. This method is prepared for possible future use with password encryption on supported distros the function below was partially copied from https://ubuntuforums.org/showthread.php?t=1139057 """ desktop_environment = 'generic' if os.environ.get('KDE_FULL_SESSION') == 'true': desktop_environment = 'kde' elif os.environ.get('GNOME_DESKTOP_SESSION_ID'): desktop_environment = 'gnome' else: try: shell_command = subprocess.Popen(['xprop', '-root', '_DT_SAVE_MODE'], stdout=subprocess.PIPE, stderr=subprocess.PIPE) out, _ = shell_command.communicate() info = out.decode('utf-8').strip() except (OSError, RuntimeError): pass else: if ' = "xfce4"' in info: desktop_environment = 'xfce' return desktop_environment def get_system() -> List: """ Detect Linux platform. Not used at this stage. It is meant to enable password encryption in distros that can handle this well. """ system = platform.system_alias( platform.system(), platform.release(), platform.version() ) return [system, detect_desktop_environment()] def get_config_path() -> str: """ Return XDG_CONFIG_HOME path if exists otherwise $HOME/.config """ xdg_config_home_path = os.environ.get('XDG_CONFIG_HOME') if not xdg_config_home_path: home_path = os.environ.get('HOME') return '{}/.config'.format(home_path) return xdg_config_home_path def run_installer() -> None: """ This is the main installer part. It tests for NM availability gets user credentials and starts a proper installer. """ global ARGS global NM_AVAILABLE username = '' password = '' silent = False pfx_file = '' wpa_conf = False if ARGS.username: username = ARGS.username if ARGS.password: password = ARGS.password if ARGS.silent: silent = ARGS.silent if ARGS.pfx_file: pfx_file = ARGS.pfx_file if ARGS.wpa_conf: wpa_conf = ARGS.wpa_conf debug(get_system()) debug("Calling InstallerData") installer_data = InstallerData(silent=silent, username=username, password=password, pfx_file=pfx_file) if wpa_conf: NM_AVAILABLE = False # test dbus connection if NM_AVAILABLE: config_tool = CatNMConfigTool() if config_tool.connect_to_nm() is None: NM_AVAILABLE = False if not NM_AVAILABLE and not wpa_conf: # no dbus so ask if the user will want wpa_supplicant config if installer_data.ask(Messages.save_wpa_conf, Messages.cont, 1): sys.exit(1) installer_data.get_user_cred() installer_data.save_ca() if NM_AVAILABLE: config_tool.add_connections(installer_data) else: wpa_config = WpaConf() wpa_config.create_wpa_conf(Config.ssids, installer_data) installer_data.show_info(Messages.installation_finished) class Messages(object): """ These are initial definitions of messages, but they will be overridden with translated strings. """ quit = "Really quit?" username_prompt = "enter your userid" enter_password = "enter password" enter_import_password = "enter your import password" incorrect_password = "incorrect password" repeat_password = "repeat your password" passwords_differ = "passwords do not match" installation_finished = "Installation successful" cat_dir_exists = "Directory {} exists; some of its files may be " \ "overwritten." cont = "Continue?" nm_not_supported = "This NetworkManager version is not supported" cert_error = "Certificate file not found, looks like a CAT error" unknown_version = "Unknown version" dbus_error = "DBus connection problem, a sudo might help" yes = "Y" nay = "N" p12_filter = "personal certificate file (p12 or pfx)" all_filter = "All files" p12_title = "personal certificate file (p12 or pfx)" save_wpa_conf = "NetworkManager configuration failed, " \ "but we may generate a wpa_supplicant configuration file " \ "if you wish. Be warned that your connection password will be saved " \ "in this file as clear text." save_wpa_confirm = "Write the file" wrongUsernameFormat = "Error: Your username must be of the form " \ "'xxx@institutionID' e.g. 'john@example.net'!" wrong_realm = "Error: your username must be in the form of 'xxx@{}'. " \ "Please enter the username in the correct format." wrong_realm_suffix = "Error: your username must be in the form of " \ "'xxx@institutionID' and end with '{}'. Please enter the username " \ "in the correct format." user_cert_missing = "personal certificate file not found" # "File %s exists; it will be overwritten." # "Output written to %s" class Config(object): """ This is used to prepare settings during installer generation. """ instname = "" profilename = "" url = "" email = "" title = "eduroam CAT" servers = [] ssids = [] del_ssids = [] eap_outer = '' eap_inner = '' use_other_tls_id = False server_match = '' anonymous_identity = '' CA = "" init_info = "" init_confirmation = "" tou = "" sb_user_file = "" verify_user_realm_input = False user_realm = "" hint_user_input = False class InstallerData(object): """ General user interaction handling, supports zenity, KDialog, yad and standard command-line interface """ def __init__(self, silent: bool = False, username: str = '', password: str = '', pfx_file: str = '') -> None: self.graphics = '' self.username = username self.password = password self.silent = silent self.pfx_file = pfx_file debug("starting constructor") if silent: self.graphics = 'tty' else: self.__get_graphics_support() self.show_info(Config.init_info.format(Config.instname, Config.email, Config.url)) if self.ask(Config.init_confirmation.format(Config.instname, Config.profilename), Messages.cont, 1): sys.exit(1) if Config.tou != '': if self.ask(Config.tou, Messages.cont, 1): sys.exit(1) if os.path.exists(get_config_path() + '/cat_installer'): if self.ask(Messages.cat_dir_exists.format( get_config_path() + '/cat_installer'), Messages.cont, 1): sys.exit(1) else: os.mkdir(get_config_path() + '/cat_installer', 0o700) @staticmethod def save_ca() -> None: """ Save CA certificate to cat_installer directory (create directory if needed) """ certfile = get_config_path() + '/cat_installer/ca.pem' debug("saving cert") with open(certfile, 'w') as cert: cert.write(Config.CA + "\n") def ask(self, question: str, prompt: str = '', default: bool = None) -> int: """ Prompt user for a Y/N reply, possibly supplying a default answer """ if self.silent: return 0 if self.graphics == 'tty': yes = Messages.yes[:1].upper() nay = Messages.nay[:1].upper() print("\n-------\n" + question + "\n") while True: tmp = prompt + " (" + Messages.yes + "/" + Messages.nay + ") " if default == 1: tmp += "[" + yes + "]" elif default == 0: tmp += "[" + nay + "]" inp = input(tmp) if inp == '': if default == 1: return 0 if default == 0: return 1 i = inp[:1].upper() if i == yes: return 0 if i == nay: return 1 command = [] if self.graphics == "zenity": command = ['zenity', '--title=' + Config.title, '--width=500', '--question', '--text=' + question + "\n\n" + prompt] elif self.graphics == 'kdialog': command = ['kdialog', '--yesno', question + "\n\n" + prompt, '--title=', Config.title] elif self.graphics == 'yad': command = ['yad', '--image="dialog-question"', '--button=gtk-yes:0', '--button=gtk-no:1', '--width=500', '--wrap', '--text=' + question + "\n\n" + prompt, '--title=' + Config.title] returncode = subprocess.call(command, stderr=subprocess.DEVNULL) return returncode def show_info(self, data: str) -> None: """ Show a piece of information """ if self.silent: return if self.graphics == 'tty': print(data) return if self.graphics == "zenity": command = ['zenity', '--info', '--width=500', '--text=' + data] elif self.graphics == "kdialog": command = ['kdialog', '--msgbox', data] elif self.graphics == "yad": command = ['yad', '--button=OK', '--width=500', '--text=' + data] else: sys.exit(1) subprocess.call(command, stderr=subprocess.DEVNULL) def confirm_exit(self) -> None: """ Confirm exit from installer """ ret = self.ask(Messages.quit) if ret == 0: sys.exit(1) def alert(self, text: str) -> None: """Generate alert message""" if self.silent: return if self.graphics == 'tty': print(text) return if self.graphics == 'zenity': command = ['zenity', '--warning', '--text=' + text] elif self.graphics == "kdialog": command = ['kdialog', '--sorry', text] elif self.graphics == "yad": command = ['yad', '--text=' + text] else: sys.exit(1) subprocess.call(command, stderr=subprocess.DEVNULL) def prompt_nonempty_string(self, show: int, prompt: str, val: str = '') -> str: """ Prompt user for input """ if self.graphics == 'tty': if show == 0: while True: inp = str(getpass.getpass(prompt + ": ")) output = inp.strip() if output != '': return output while True: inp = input(prompt + ": ") output = inp.strip() if output != '': return output command = [] if self.graphics == 'zenity': if val == '': default_val = '' else: default_val = '--entry-text=' + val if show == 0: hide_text = '--hide-text' else: hide_text = '' command = ['zenity', '--entry', hide_text, default_val, '--width=500', '--text=' + prompt] elif self.graphics == 'kdialog': if show == 0: hide_text = '--password' else: hide_text = '--inputbox' command = ['kdialog', hide_text, prompt] elif self.graphics == 'yad': if show == 0: hide_text = ':H' else: hide_text = '' command = ['yad', '--form', '--field=' + hide_text, '--text=' + prompt, val] output = '' while not output: shell_command = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE) out, _ = shell_command.communicate() output = out.decode('utf-8') if self.graphics == 'yad': output = output[:-2] output = output.strip() if shell_command.returncode == 1: self.confirm_exit() return output def get_user_cred(self) -> None: """ Get user credentials both username/password and personal certificate based """ if Config.eap_outer == 'PEAP' or Config.eap_outer == 'TTLS': self.__get_username_password() if Config.eap_outer == 'TLS': self.__get_p12_cred() def __get_username_password(self) -> None: """ read user password and set the password property do nothing if silent mode is set """ password = "a" password1 = "b" if self.silent: return if self.username: user_prompt = self.username elif Config.hint_user_input: user_prompt = '@' + Config.user_realm else: user_prompt = '' while True: self.username = self.prompt_nonempty_string( 1, Messages.username_prompt, user_prompt) if self.__validate_user_name(): break while password != password1: password = self.prompt_nonempty_string( 0, Messages.enter_password) password1 = self.prompt_nonempty_string( 0, Messages.repeat_password) if password != password1: self.alert(Messages.passwords_differ) self.password = password def __check_graphics(self, command) -> bool: shell_command = subprocess.Popen(['which', command], stdout=subprocess.PIPE, stderr=subprocess.PIPE) shell_command.wait() if shell_command.returncode == 0: self.graphics = command return True else: return False def __get_graphics_support(self) -> None: if os.environ.get('DISPLAY') is not None: for cmd in ['zenity', 'kdialog', 'yad']: if self.__check_graphics(cmd) == True: return self.graphics = 'tty' def __process_p12(self) -> bool: debug('process_p12') pfx_file = get_config_path() + '/cat_installer/user.p12' if CRYPTO_AVAILABLE: debug("using crypto") try: p12 = crypto.load_pkcs12(open(pfx_file, 'rb').read(), self.password) except crypto.Error as error: debug("Incorrect password ({}).".format(error)) return False else: if Config.use_other_tls_id: return True try: self.username = p12.get_certificate(). \ get_subject().commonName except crypto.Error: self.username = p12.get_certificate().\ get_subject().emailAddress return True else: debug("using openssl") command = ['openssl', 'pkcs12', '-in', pfx_file, '-passin', 'pass:' + self.password, '-nokeys', '-clcerts'] shell_command = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE) out, _ = shell_command.communicate() if shell_command.returncode != 0: debug("first password run failed") command1 = ['openssl', 'pkcs12', '-legacy', '-in', pfx_file, '-passin', 'pass:' + self.password, '-nokeys', '-clcerts'] shell_command1 = subprocess.Popen(command1, stdout=subprocess.PIPE, stderr=subprocess.PIPE) out, err = shell_command1.communicate() if shell_command1.returncode != 0: return False if Config.use_other_tls_id: return True out_str = out.decode('utf-8').strip() # split only on commas that are not inside double quotes subject = re.split(r'\s*[/,]\s*(?=([^"]*"[^"]*")*[^"]*$)', re.findall(r'subject=/?(.*)$', out_str, re.MULTILINE)[0]) cert_prop = {} for field in subject: if field: cert_field = re.split(r'\s*=\s*', field) cert_prop[cert_field[0].lower()] = cert_field[1] if cert_prop['cn'] and re.search(r'@', cert_prop['cn']): debug('Using cn: ' + cert_prop['cn']) self.username = cert_prop['cn'] elif cert_prop['emailaddress'] and \ re.search(r'@', cert_prop['emailaddress']): debug('Using email: ' + cert_prop['emailaddress']) self.username = cert_prop['emailaddress'] else: self.username = '' self.alert("Unable to extract username " "from the certificate") return True def __select_p12_file(self) -> str: """ prompt user for the PFX file selection this method is not being called in the silent mode therefore there is no code for this case """ if self.graphics == 'tty': my_dir = os.listdir(".") p_count = 0 pfx_file = '' for my_file in my_dir: if my_file.endswith('.p12') or my_file.endswith('*.pfx') or \ my_file.endswith('.P12') or my_file.endswith('*.PFX'): p_count += 1 pfx_file = my_file prompt = "personal certificate file (p12 or pfx)" default = '' if p_count == 1: default = '[' + pfx_file + ']' while True: inp = input(prompt + default + ": ") output = inp.strip() if default != '' and output == '': return pfx_file default = '' if os.path.isfile(output): return output print("file not found") cert = "" if self.graphics == 'zenity': command = ['zenity', '--file-selection', '--file-filter=' + Messages.p12_filter + ' | *.p12 *.P12 *.pfx *.PFX', '--file-filter=' + Messages.all_filter + ' | *', '--title=' + Messages.p12_title] shell_command = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE) cert, _ = shell_command.communicate() if self.graphics == 'kdialog': command = ['kdialog', '--getopenfilename', '.', '*.p12 *.P12 *.pfx *.PFX | ' + Messages.p12_filter, '--title', Messages.p12_title] shell_command = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) cert, _ = shell_command.communicate() if self.graphics == 'yad': command = ['yad', '--file', '--file-filter=*.p12 *.P12 *.pfx *.PFX', '-file-filter=*', '--title=' + Messages.p12_title] shell_command = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.DEVNULL) cert, _ = shell_command.communicate() return cert.decode('utf-8').strip() @staticmethod def __save_sb_pfx() -> None: """write the user PFX file""" cert_file = get_config_path() + '/cat_installer/user.p12' with open(cert_file, 'wb') as cert: cert.write(base64.b64decode(Config.sb_user_file)) def __get_p12_cred(self): """get the password for the PFX file""" if Config.eap_inner == 'SILVERBULLET': self.__save_sb_pfx() else: if not self.silent: self.pfx_file = self.__select_p12_file() try: copyfile(self.pfx_file, get_config_path() + '/cat_installer/user.p12') except (OSError, RuntimeError): print(Messages.user_cert_missing) sys.exit(1) if self.silent: username = self.username if not self.__process_p12(): sys.exit(1) if username: self.username = username else: while not self.password: self.password = self.prompt_nonempty_string( 0, Messages.enter_import_password) if not self.__process_p12(): self.alert(Messages.incorrect_password) self.password = '' if not self.username: self.username = self.prompt_nonempty_string( 1, Messages.username_prompt) def __validate_user_name(self) -> bool: # locate the @ character in username pos = self.username.find('@') debug("@ position: " + str(pos)) # trailing @ if pos == len(self.username) - 1: debug("username ending with @") self.alert(Messages.wrongUsernameFormat) return False # no @ at all if pos == -1: if Config.verify_user_realm_input: debug("missing realm") self.alert(Messages.wrongUsernameFormat) return False debug("No realm, but possibly correct") return True # @ at the beginning if pos == 0: debug("missing user part") self.alert(Messages.wrongUsernameFormat) return False pos += 1 if Config.verify_user_realm_input: if Config.hint_user_input: if self.username.endswith('@' + Config.user_realm, pos - 1): debug("realm equal to the expected value") return True debug("incorrect realm; expected:" + Config.user_realm) self.alert(Messages.wrong_realm.format(Config.user_realm)) return False if self.username.endswith(Config.user_realm, pos): debug("realm ends with expected suffix") return True debug("realm suffix error; expected: " + Config.user_realm) self.alert(Messages.wrong_realm_suffix.format( Config.user_realm)) return False pos1 = self.username.find('@', pos) if pos1 > -1: debug("second @ character found") self.alert(Messages.wrongUsernameFormat) return False pos1 = self.username.find('.', pos) if pos1 == pos: debug("a dot immediately after the @ character") self.alert(Messages.wrongUsernameFormat) return False debug("all passed") return True class WpaConf(object): """ Prepare and save wpa_supplicant config file """ @staticmethod def __prepare_network_block(ssid: str, user_data: Type[InstallerData]) -> str: interface = """network={ ssid=\"""" + ssid + """\" key_mgmt=WPA-EAP pairwise=CCMP group=CCMP TKIP eap=""" + Config.eap_outer + """ ca_cert=\"""" + get_config_path() + """/cat_installer/ca.pem\""""""" identity=\"""" + user_data.username + """\""""""" altsubject_match=\"""" + ";".join(Config.servers) + """\" """ if Config.eap_outer == 'PEAP' or Config.eap_outer == 'TTLS': interface += f"phase2=\"auth={Config.eap_inner}\"\n" \ f"\tpassword=\"{user_data.password}\"\n" if Config.anonymous_identity != '': interface += f"\tanonymous_identity=\"{Config.anonymous_identity}\"\n" if Config.eap_outer == 'TLS': interface += f"\tprivate_key_passwd=\"{user_data.password}\"\n" \ f"\tprivate_key=\"{os.environ.get('HOME')}/.cat_installer/user.p12" interface += "\n}" return interface def create_wpa_conf(self, ssids, user_data: Type[InstallerData]) -> None: """Create and save the wpa_supplicant config file""" wpa_conf = get_config_path() + \ '/cat_installer/cat_installer.conf' with open(wpa_conf, 'w') as conf: for ssid in ssids: net = self.__prepare_network_block(ssid, user_data) conf.write(net) class IwdConfiguration: """ support the iNet wireless daemon by Intel """ def __init__(self): self.config = "" def write_config(self) -> None: for ssid in Config.ssids: with open('/var/lib/iwd/{}.8021x'.format(ssid), 'w') as config_file: config_file.write(self.config) def _create_eap_pwd_config(self, ssid: str, user_data: Type[InstallerData]) -> None: """ create EAP-PWD configuration """ self.conf = """ [Security] EAP-Method=PWD EAP-Identity={username} EAP-Password={password} [Settings] AutoConnect=True """.format(username=user_data.username, password=user_data.password) def _create_eap_peap_config(self, ssid: str, user_data: Type[InstallerData]) -> None: """ create EAP-PEAP configuration """ self.conf = """ [Security] EAP-Method=PEAP EAP-Identity={anonymous_identity} EAP-PEAP-CACert={ca_cert} EAP-PEAP-ServerDomainMask={servers} EAP-PEAP-Phase2-Method=MSCHAPV2 EAP-PEAP-Phase2-Identity={username}@{realm} EAP-PEAP-Phase2-Password={password} [Settings] AutoConnect=true """.format(anonymous_identity=Config.anonymous_identity, ca_cert=Config.CA, servers=Config.servers, username=user_data.username, realm=Config.user_realm, password=user_data.password) def _create_ttls_pap_config(self, ssid: str, user_data: Type[InstallerData]) -> None: """ create TTLS-PAP configuration""" self.conf = """ [Security] EAP-Method=TTLS EAP-Identity={anonymous_identity} EAP-TTLS-CACert={ca_cert} EAP-TTLS-ServerDomainMask={servers} EAP-TTLS-Phase2-Method=Tunneled-PAP EAP-TTLS-Phase2-Identity={username}@{realm} EAP-TTLS-Phase2-Password={password} [Settings] AutoConnect=true """.format(anonymous_identity=Config.anonymous_identity, ca_cert=Config.CA, servers=Config.servers, username=user_data.username, realm=Config.user_realm, password=user_data.password) class CatNMConfigTool(object): """ Prepare and save NetworkManager configuration """ def __init__(self): self.cacert_file = None self.settings_service_name = None self.connection_interface_name = None self.system_service_name = "org.freedesktop.NetworkManager" self.nm_version = None self.pfx_file = None self.settings = None self.user_data = None self.bus = None def connect_to_nm(self) -> Union[bool, None]: """ connect to DBus """ try: self.bus = dbus.SystemBus() except AttributeError: # since dbus existed but is empty we have an empty package # this gets shipped by pyqt5 print("DBus not properly installed") return None except dbus.exceptions.DBusException: print("Can't connect to DBus") return None # check NM version self.__check_nm_version() debug("NM version: " + self.nm_version) if self.nm_version == "0.9" or self.nm_version == "1.0": self.settings_service_name = self.system_service_name self.connection_interface_name = \ "org.freedesktop.NetworkManager.Settings.Connection" # settings proxy sysproxy = self.bus.get_object( self.settings_service_name, "/org/freedesktop/NetworkManager/Settings") # settings interface self.settings = dbus.Interface(sysproxy, "org.freedesktop." "NetworkManager.Settings") elif self.nm_version == "0.8": self.settings_service_name = "org.freedesktop.NetworkManager" self.connection_interface_name = "org.freedesktop.NetworkMana" \ "gerSettings.Connection" # settings proxy sysproxy = self.bus.get_object( self.settings_service_name, "/org/freedesktop/NetworkManagerSettings") # settings interface self.settings = dbus.Interface( sysproxy, "org.freedesktop.NetworkManagerSettings") else: print(Messages.nm_not_supported) return None debug("NM connection worked") return True def __check_opts(self) -> None: """ set certificate files paths and test for existence of the CA cert """ self.cacert_file = get_config_path() + '/cat_installer/ca.pem' self.pfx_file = get_config_path() + '/cat_installer/user.p12' if not os.path.isfile(self.cacert_file): print(Messages.cert_error) sys.exit(2) def __check_nm_version(self) -> None: """ Get the NetworkManager version """ try: proxy = self.bus.get_object( self.system_service_name, "/org/freedesktop/NetworkManager") props = dbus.Interface(proxy, "org.freedesktop.DBus.Properties") version = props.Get("org.freedesktop.NetworkManager", "Version") except dbus.exceptions.DBusException: version = "" if re.match(r'^1\.', version): self.nm_version = "1.0" return if re.match(r'^0\.9', version): self.nm_version = "0.9" return if re.match(r'^0\.8', version): self.nm_version = "0.8" return self.nm_version = Messages.unknown_version def __delete_existing_connection(self, ssid: str) -> None: """ checks and deletes earlier connection """ try: conns = self.settings.ListConnections() except dbus.exceptions.DBusException: print(Messages.dbus_error) exit(3) for each in conns: con_proxy = self.bus.get_object(self.system_service_name, each) connection = dbus.Interface( con_proxy, "org.freedesktop.NetworkManager.Settings.Connection") try: connection_settings = connection.GetSettings() if connection_settings['connection']['type'] == '802-11-' \ 'wireless': conn_ssid = byte_to_string( connection_settings['802-11-wireless']['ssid']) if conn_ssid == ssid: debug("deleting connection: " + conn_ssid) connection.Delete() except dbus.exceptions.DBusException: pass def __add_connection(self, ssid: str) -> None: debug("Adding connection: " + ssid) server_alt_subject_name_list = dbus.Array(Config.servers) server_name = Config.server_match if self.nm_version == "0.9" or self.nm_version == "1.0": match_key = 'altsubject-matches' match_value = server_alt_subject_name_list else: match_key = 'subject-match' match_value = server_name s_8021x_data = { 'eap': [Config.eap_outer.lower()], 'identity': self.user_data.username, 'ca-cert': dbus.ByteArray( "file://{0}\0".format(self.cacert_file).encode('utf8')), match_key: match_value} if Config.eap_outer == 'PEAP' or Config.eap_outer == 'TTLS': s_8021x_data['password'] = self.user_data.password s_8021x_data['phase2-auth'] = Config.eap_inner.lower() if Config.anonymous_identity != '': s_8021x_data['anonymous-identity'] = Config.anonymous_identity s_8021x_data['password-flags'] = 0 if Config.eap_outer == 'TLS': s_8021x_data['client-cert'] = dbus.ByteArray( "file://{0}\0".format(self.pfx_file).encode('utf8')) s_8021x_data['private-key'] = dbus.ByteArray( "file://{0}\0".format(self.pfx_file).encode('utf8')) s_8021x_data['private-key-password'] = self.user_data.password s_8021x_data['private-key-password-flags'] = 0 s_con = dbus.Dictionary({ 'type': '802-11-wireless', 'uuid': str(uuid.uuid4()), 'permissions': ['user:' + os.environ.get('USER')], 'id': ssid }) s_wifi = dbus.Dictionary({ 'ssid': dbus.ByteArray(ssid.encode('utf8')), 'security': '802-11-wireless-security' }) s_wsec = dbus.Dictionary({ 'key-mgmt': 'wpa-eap', 'proto': ['rsn'], 'pairwise': ['ccmp'], 'group': ['ccmp', 'tkip'] }) s_8021x = dbus.Dictionary(s_8021x_data) s_ip4 = dbus.Dictionary({'method': 'auto'}) s_ip6 = dbus.Dictionary({'method': 'auto'}) con = dbus.Dictionary({ 'connection': s_con, '802-11-wireless': s_wifi, '802-11-wireless-security': s_wsec, '802-1x': s_8021x, 'ipv4': s_ip4, 'ipv6': s_ip6 }) self.settings.AddConnection(con) def add_connections(self, user_data: Type[InstallerData]): """Delete and then add connections to the system""" self.__check_opts() self.user_data = user_data for ssid in Config.ssids: self.__delete_existing_connection(ssid) self.__add_connection(ssid) for ssid in Config.del_ssids: self.__delete_existing_connection(ssid) Messages.quit = "Really quit?" Messages.username_prompt = "enter your userid" Messages.enter_password = "enter password" Messages.enter_import_password = "enter your import password" Messages.incorrect_password = "incorrect password" Messages.repeat_password = "repeat your password" Messages.passwords_differ = "passwords do not match" Messages.installation_finished = "Installation successful" Messages.cat_dir_exisits = "Directory {} exists; some of its files may " \ "be overwritten." Messages.cont = "Continue?" Messages.nm_not_supported = "This NetworkManager version is not " \ "supported" Messages.cert_error = "Certificate file not found, looks like a CAT " \ "error" Messages.unknown_version = "Unknown version" Messages.dbus_error = "DBus connection problem, a sudo might help" Messages.yes = "Y" Messages.no = "N" Messages.p12_filter = "personal certificate file (p12 or pfx)" Messages.all_filter = "All files" Messages.p12_title = "personal certificate file (p12 or pfx)" Messages.save_wpa_conf = "NetworkManager configuration failed, but we " \ "may generate a wpa_supplicant configuration file if you wish. Be " \ "warned that your connection password will be saved in this file as " \ "clear text." Messages.save_wpa_confirm = "Write the file" Messages.wrongUsernameFormat = "Error: Your username must be of the " \ "form 'xxx@institutionID' e.g. 'john@example.net'!" Messages.wrong_realm = "Error: your username must be in the form of " \ "'xxx@{}'. Please enter the username in the correct format." Messages.wrong_realm_suffix = "Error: your username must be in the " \ "form of 'xxx@institutionID' and end with '{}'. Please enter the " \ "username in the correct format." Messages.user_cert_missing = "personal certificate file not found" Config.instname = "Observatoire de la Côte d'Azur" Config.profilename = "eduroam" Config.url = "https://helpdesk.oca.eu" Config.email = "sit-nice-help@oca.eu" Config.title = "eduroam CAT" Config.server_match = "RadiusOCA" Config.eap_outer = "TTLS" Config.eap_inner = "PAP" Config.init_info = "This installer has been prepared for {0}\n\nMore " \ "information and comments:\n\nEMAIL: {1}\nWWW: {2}\n\nInstaller created " \ "with software from the GEANT project." Config.init_confirmation = "This installer will only work properly if " \ "you are a member of {0}." Config.user_realm = "oca.eu" Config.ssids = ['eduroam'] Config.del_ssids = [] Config.servers = ['DNS:RadiusOCA'] Config.use_other_tls_id = False Config.anonymous_identity = "anonymous@oca.eu" Config.tou = "" Config.CA = """-----BEGIN CERTIFICATE----- MIIGtjCCBJ6gAwIBAgIJAIGR/rPVdiW/MA0GCSqGSIb3DQEBCwUAMIGDMQswCQYD VQQGEwJGUjEYMBYGA1UECAwPQWxwZXMgTWFyaXRpbWVzMQ0wCwYDVQQHDAROaWNl MQwwCgYDVQQKDANPQ0ExGTAXBgkqhkiG9w0BCQEWCmRzaUBvY2EuZXUxIjAgBgNV BAMMGU9DQSBDZXJ0aWZpY2F0ZSBBdXRob3JpdHkwIBcNMTgwNjI4MTMyODIyWhgP MjExODA2MDQxMzI4MjJaMIGDMQswCQYDVQQGEwJGUjEYMBYGA1UECAwPQWxwZXMg TWFyaXRpbWVzMQ0wCwYDVQQHDAROaWNlMQwwCgYDVQQKDANPQ0ExGTAXBgkqhkiG 9w0BCQEWCmRzaUBvY2EuZXUxIjAgBgNVBAMMGU9DQSBDZXJ0aWZpY2F0ZSBBdXRo b3JpdHkwggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC0pvaWbaspLmn0 IV5eLBG6/Yi9H1RL5bN7cf6b+IfdU+SBxNKzTFFktUHi815+ASLLEiB0zb0Q8TRZ FfdHV1LVoSGxQWEmCSx12/7YvLyX0wkdbNa4dxC1rgRWuCUGCfwFtBQQUz8jx/VY v3gLuPE8lAPOzzgu+Jaj+ScaLBoycsmKGdKFRjPpZynAW0phHEdM89wZyE63Hpae hHV5gTPfxsgXMV5sD05yTP/Zb/Pr9vRv61WLlpQ3J7e6vaNjd/wGmXqet+mabIhE zCd6AC0AQVNAm9B5D2sPgEpwqVXWgcTTgnttLaccjkGt6bV6s4VeJy1LrtuinUHk E+SWkjytfrmHbMQOArEbM1FL8oIb6ekmUNeFu+7EohCcAhSyZ/s6bJDwjPrElLJr qn12Ac4i8q5GOMnlXb59fI1s2BU68jx2LDBQED6Rf99Unn49KifE38s66muERrHL qNJPPCYvARuZFGR9tf+4HS/uPeYfePUtrc3ZqVo2DlDbvxWEs6O0YSBEMS6jXQRD 6qVu7aP6QHXYAu2Rh/8S+zdx8o0lNSR/oE1ckU/rWu9YRbNUIRcCtscd3kA/YoUr +pvRR2I1IXnXi0hoWZjWQgrBQxEBo8JK2GtRNJYFAgoHneFo7g31fx2QL426gFUU E870nuL/r1AAme6ZDlxQU0brNNOSZwIDAQABo4IBJzCCASMwHQYDVR0OBBYEFKIL 7znfiyt3/qDUaV2gR5Yb1vyaMIG4BgNVHSMEgbAwga2AFKIL7znfiyt3/qDUaV2g R5Yb1vyaoYGJpIGGMIGDMQswCQYDVQQGEwJGUjEYMBYGA1UECAwPQWxwZXMgTWFy aXRpbWVzMQ0wCwYDVQQHDAROaWNlMQwwCgYDVQQKDANPQ0ExGTAXBgkqhkiG9w0B CQEWCmRzaUBvY2EuZXUxIjAgBgNVBAMMGU9DQSBDZXJ0aWZpY2F0ZSBBdXRob3Jp dHmCCQCBkf6z1XYlvzAPBgNVHRMBAf8EBTADAQH/MDYGA1UdHwQvMC0wK6ApoCeG JWh0dHA6Ly93d3cuZXhhbXBsZS5vcmcvZXhhbXBsZV9jYS5jcmwwDQYJKoZIhvcN AQELBQADggIBAJAh6doKom2AljWhqdiLziJCeVm9R/lbGSPojNHt8AOqKtiJnan1 1voBWygzPH1/LPyE5GifzwyEXD9cNWxNv4GnsScLB8bqgtp7QYGbhrlmBI5s+EnV vQdKanfn5nMzG57QszVpGBQTGyGptecrFqJu3xJ1d98CTc0BJb/wOIDW1w5FoBv3 e4S4PRocMCYjfGB4iZTigz1LZXTf0uEjmAFiupjaEVvdTm/FZr9spLV2w4ArO6OB NuyZC2ru0kwn8loDrR9tXGfGGObT4dOZ4v+GVLCfbZdfpVhd7c639gXlp4zW5kz3 KeRHGluqRh29b1mfDBnuGEh7V7P9e+QO2htyrAPSiohWbNccbksjaJ7ruaTdjmB7 Vtnww3asb9+Dl/WT9tNDvNXARMdM6IkTDp3Kc1mXO+eNweBnj+H6WAfvJASm1kvl vHNlphIh6GCgkeMbCeERQTKOV8SvqLWjplXV0SRUj1WbvAzADJg1rcRZLqooqR2D W+aKBI44kx6NOvv4NxNuaSbl78QgprjLAa2xanP3/1DY9wc/iMa3yPvhn6eauE3l cHeRu5Qem7tqHQGoOpiT4g3HI9W/owQdvmK4PRBVGIo3i2SRkFh5cBKR/4CreTH9 PInVz/7orer6tPYXJHgNREHbj+zjr2L/ahrYEda+wvIg/e9U3/eZNKj8 -----END CERTIFICATE----- """ if __name__ == '__main__': run_installer()