Файловый менеджер

Файловый менеджер - Редактировать - /snap/core18/2846/usr/share/subiquity/console_conf/controllers/identity.py

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# Copyright 2015 Canonical, Ltd. # # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU Affero 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 Affero General Public License for more details. # # You should have received a copy of the GNU Affero General Public License # along with this program. If not, see <http://www.gnu.org/licenses/>. import json import logging import os import pwd import sys from subiquitycore.controller import BaseController from subiquitycore.models import IdentityModel from subiquitycore.snapd import SnapdConnection from subiquitycore.utils import disable_console_conf, run_command from console_conf.ui.views import IdentityView, LoginView log = logging.getLogger('console_conf.controllers.identity') def get_managed(): """ Check if device is managed """ con = SnapdConnection('', '/run/snapd.socket') return con.get('v2/system-info').json()['result']['managed'] def get_realname(username): try: info = pwd.getpwnam(username) except KeyError: return '' return info.pw_gecos.split(',', 1)[0] def get_device_owner(): """ Get device owner, if any """ con = SnapdConnection('', '/run/snapd.socket') for user in con.get('v2/users').json()['result']: if 'username' not in user: continue username = user['username'] homedir = '/home/' + username if os.path.isdir(homedir): return { 'username': username, 'realname': get_realname(username), 'homedir': homedir, } return None def host_key_fingerprints(): """Query sshd to find the host keys and then fingerprint them. Returns a sequence of (key-type, fingerprint) pairs. """ config = run_command(['sshd', '-T']) if config['status'] != 0: log.debug("sshd -T failed %r", config['err']) return [] keyfiles = [] for line in config['output'].splitlines(): if line.startswith('hostkey '): keyfiles.append(line.split(None, 1)[1]) info = [] for keyfile in keyfiles: result = run_command(['ssh-keygen', '-lf', keyfile]) if result['status'] != 0: log.debug("ssh-keygen -lf %s failed %r", keyfile, result['err']) continue parts = result['output'].strip().split() length, fingerprint, host, keytype = parts keytype = keytype.strip('()') info.append((keytype, fingerprint)) return info host_keys_intro = """ The host key fingerprints are: """ host_key_tmpl = """\ {keytype:{width}} {fingerprint} """ single_host_key_tmpl = """\ The {keytype} host key fingerprints is: {fingerprint} """ def host_key_info(): fingerprints = host_key_fingerprints() if len(fingerprints) == 1: [(keytype, fingerprint)] = fingerprints return single_host_key_tmpl.format(keytype=keytype, fingerprint=fingerprint) lines = [host_keys_intro] longest_type = max([len(keytype) for keytype, _ in fingerprints]) for keytype, fingerprint in fingerprints: lines.append(host_key_tmpl.format(keytype=keytype, fingerprint=fingerprint, width=longest_type)) return "".join(lines) login_details_tmpl = """\ Ubuntu Core 16 on {first_ip} ({tty_name}) {host_key_info} To login: {sshcommands} Personalize your account at https://login.ubuntu.com. """ login_details_tmpl_no_ip = """\ Ubuntu Core 16 on <no ip address> ({tty_name}) You cannot log in until the system has an IP address. (Is there supposed to be a DHCP server running on your network?) Personalize your account at https://login.ubuntu.com. """ def write_login_details(fp, username, ips): sshcommands = "\n" for ip in ips: sshcommands += " ssh %s@%s\n"%(username, ip) tty_name = os.ttyname(0)[5:] # strip off the /dev/ if len(ips) == 0: fp.write(login_details_tmpl_no_ip.format( sshcommands=sshcommands, tty_name=tty_name)) else: first_ip = ips[0] fp.write(login_details_tmpl.format( sshcommands=sshcommands, host_key_info=host_key_info(), tty_name=tty_name, first_ip=first_ip)) def write_login_details_standalone(): owner = get_device_owner() from probert import network from subiquitycore.models.network import NETDEV_IGNORED_IFACE_NAMES, NETDEV_IGNORED_IFACE_TYPES import operator observer = network.UdevObserver() observer.start() ips = [] for l in sorted(observer.links.values(), key=operator.attrgetter('name')): if l.type in NETDEV_IGNORED_IFACE_TYPES: continue if l.name in NETDEV_IGNORED_IFACE_NAMES: continue for _, addr in sorted(l.addresses.items()): if addr.scope == "global": ips.append(addr.ip) if len(ips) == 0: if owner is None: print("device managed without user") return 2 else: tty_name = os.ttyname(0)[5:] print("Ubuntu Core 16 on <no ip address> ({})".format(tty_name)) print() print("You cannot log in until the system has an IP address.") print("(Is there supposed to be a DHCP server running on your network?)") return 2 if owner is None: print("device managed without user @ {}".format(', '.join(ips))) else: write_login_details(sys.stdout, owner['username'], ips) return 0 class IdentityController(BaseController): def __init__(self, common): super().__init__(common) self.model = IdentityModel(self.opts) def default(self): title = "Profile setup" excerpt = "Enter an email address from your account in the store." footer = "" self.ui.set_header(title, excerpt) self.ui.set_footer(footer, 40) self.ui.set_body(IdentityView(self.model, self, self.opts, self.loop)) device_owner = get_device_owner() if get_managed(): device_owner = get_device_owner() if device_owner: self.model.add_user(device_owner) key_file = os.path.join(device_owner['homedir'], ".ssh/authorized_keys") cp = run_command(['ssh-keygen', '-lf', key_file]) self.model.user.fingerprints = ( cp.stdout.replace('\r', '').splitlines()) self.login() def identity_done(self, email): if self.opts.dry_run: result = { 'realname': email, 'username': email, } self.model.add_user(result) login_details_path = '.subiquity/login-details.txt' else: self.ui.frame.body.progress.set_text("Contacting store...") self.loop.draw_screen() result = run_command(["snap", "create-user", "--sudoer", "--json", email]) self.ui.frame.body.progress.set_text("") if result['status'] != 0: self.ui.frame.body.error.set_text("Creating user failed:\n" + result['err']) return else: data = json.loads(result['output']) result = { 'realname': email, 'username': data['username'], } os.makedirs('/run/console-conf', exist_ok=True) login_details_path = '/run/console-conf/login-details.txt' self.model.add_user(result) ips = [] net_model = self.controllers['Network'].model for dev in net_model.get_all_netdevs(): ips.extend(dev.actual_global_ip_addresses) with open(login_details_path, 'w') as fp: write_login_details(fp, result['username'], ips) self.login() def cancel(self): # You can only go back if we haven't created a user yet. if self.model.user is None: self.signal.emit_signal('prev-screen') def login(self): title = "Configuration Complete" footer = "View configured user and device access methods" self.ui.set_header(title) self.ui.set_footer(footer) net_model = self.controllers['Network'].model ifaces = net_model.get_all_netdevs() login_view = LoginView(self.opts, self.model, self, ifaces) self.ui.set_body(login_view) def login_done(self): if not self.opts.dry_run: # stop the console-conf services (this will kill the current process). disable_console_conf() self.signal.emit_signal('quit')

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