tools/actions/initializer.py

   1 # Copyright 2021 Erfan Abdi
   2 # SPDX-License-Identifier: GPL-3.0-or-later
   3 import logging
   4 import os
   5 from tools import helpers
   6 import tools.config
   7
   8 import sys
   9 import threading
  10 import multiprocessing
  11 import select
  12 import queue
  13 import time
  14 import dbus
  15 import dbus.service
  16 from gi.repository import GLib
  17
  18 def is_initialized(args):
  19     return os.path.isfile(args.config) and os.path.isdir(tools.config.defaults["rootfs"])
  20
  21 def get_vendor_type(args):
  22     vndk_str = helpers.props.host_get(args, "ro.vndk.version")
  23     ret = "MAINLINE"
  24     if vndk_str != "":
  25         vndk = int(vndk_str)
  26         if vndk > 31:
  27             vndk -= 1 # 12L -> Halium 12
  28         if vndk > 19:
  29             ret = "HALIUM_" + str(vndk - 19)
  30
  31     return ret
  32
  33 def setup_config(args):
  34     cfg = tools.config.load(args)
  35     args.arch = helpers.arch.host()
  36     cfg["waydroid"]["arch"] = args.arch
  37
  38     preinstalled_images_paths = tools.config.defaults["preinstalled_images_paths"]
  39     if not args.images_path:
  40         for preinstalled_images in preinstalled_images_paths:
  41             if os.path.isdir(preinstalled_images):
  42                 if os.path.isfile(preinstalled_images + "/system.img") and os.path.isfile(preinstalled_images + "/vendor.img"):
  43                     args.images_path = preinstalled_images
  44                     break
  45                 else:
  46                     logging.warning("Found directory {} but missing system or vendor image, ignoring...".format(preinstalled_images))
  47
  48     if not args.images_path:
  49         args.images_path = tools.config.defaults["images_path"]
  50     cfg["waydroid"]["images_path"] = args.images_path
  51
  52     channels_cfg = tools.config.load_channels()
  53     if not args.system_channel:
  54         args.system_channel = channels_cfg["channels"]["system_channel"]
  55     if not args.vendor_channel:
  56         args.vendor_channel = channels_cfg["channels"]["vendor_channel"]
  57     if not args.rom_type:
  58         args.rom_type = channels_cfg["channels"]["rom_type"]
  59     if not args.system_type:
  60         args.system_type = channels_cfg["channels"]["system_type"]
  61
  62     args.system_ota = args.system_channel + "/" + args.rom_type + \
  63         "/waydroid_" + args.arch + "/" + args.system_type + ".json"
  64     system_request = helpers.http.retrieve(args.system_ota)
  65     if system_request[0] != 200:
  66         if args.images_path not in preinstalled_images_paths:
  67             raise ValueError(
  68                 "Failed to get system OTA channel: {}, error: {}".format(args.system_ota, system_request[0]))
  69         else:
  70             args.system_ota = "None"
  71
  72     device_codename = helpers.props.host_get(args, "ro.product.device")
  73     args.vendor_type = None
  74     for vendor in [device_codename, get_vendor_type(args)]:
  75         vendor_ota = args.vendor_channel + "/waydroid_" + \
  76             args.arch + "/" + vendor.replace(" ", "_") + ".json"
  77         vendor_request = helpers.http.retrieve(vendor_ota)
  78         if vendor_request[0] == 200:
  79             args.vendor_type = vendor
  80             args.vendor_ota = vendor_ota
  81             break
  82
  83     if not args.vendor_type:
  84         if args.images_path not in preinstalled_images_paths:
  85             raise ValueError(
  86                 "Failed to get vendor OTA channel: {}".format(vendor_ota))
  87         else:
  88             args.vendor_ota = "None"
  89             args.vendor_type = get_vendor_type(args)
  90
  91     if args.system_ota != cfg["waydroid"].get("system_ota"):
  92         cfg["waydroid"]["system_datetime"] = tools.config.defaults["system_datetime"]
  93     if args.vendor_ota != cfg["waydroid"].get("vendor_ota"):
  94         cfg["waydroid"]["vendor_datetime"] = tools.config.defaults["vendor_datetime"]
  95
  96     cfg["waydroid"]["vendor_type"] = args.vendor_type
  97     cfg["waydroid"]["system_ota"] = args.system_ota
  98     cfg["waydroid"]["vendor_ota"] = args.vendor_ota
  99     helpers.drivers.setupBinderNodes(args)
 100     cfg["waydroid"]["binder"] = args.BINDER_DRIVER
 101     cfg["waydroid"]["vndbinder"] = args.VNDBINDER_DRIVER
 102     cfg["waydroid"]["hwbinder"] = args.HWBINDER_DRIVER
 103     tools.config.save(args, cfg)
 104
 105 def init(args):
 106     if not is_initialized(args) or args.force:
 107         initializer_service = None
 108         try:
 109             initializer_service = tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer")
 110         except dbus.DBusException:
 111             pass
 112         setup_config(args)
 113         status = "STOPPED"
 114         if os.path.exists(tools.config.defaults["lxc"] + "/waydroid"):
 115             status = helpers.lxc.status(args)
 116         if status != "STOPPED":
 117             logging.info("Stopping container")
 118             try:
 119                 container = tools.helpers.ipc.DBusContainerService()
 120                 args.session = container.GetSession()
 121                 container.Stop(False)
 122             except Exception as e:
 123                 logging.debug(e)
 124                 tools.actions.container_manager.stop(args)
 125         if args.images_path not in tools.config.defaults["preinstalled_images_paths"]:
 126             helpers.images.get(args)
 127         else:
 128             helpers.images.remove_overlay(args)
 129         if not os.path.isdir(tools.config.defaults["rootfs"]):
 130             os.mkdir(tools.config.defaults["rootfs"])
 131         if not os.path.isdir(tools.config.defaults["overlay"]):
 132             os.mkdir(tools.config.defaults["overlay"])
 133             os.mkdir(tools.config.defaults["overlay"]+"/vendor")
 134         if not os.path.isdir(tools.config.defaults["overlay_rw"]):
 135             os.mkdir(tools.config.defaults["overlay_rw"])
 136             os.mkdir(tools.config.defaults["overlay_rw"]+"/system")
 137             os.mkdir(tools.config.defaults["overlay_rw"]+"/vendor")
 138         helpers.drivers.probeAshmemDriver(args)
 139         helpers.lxc.setup_host_perms(args)
 140         helpers.lxc.set_lxc_config(args)
 141         helpers.lxc.make_base_props(args)
 142         if status != "STOPPED":
 143             logging.info("Starting container")
 144             try:
 145                 container.Start(args.session)
 146             except Exception as e:
 147                 logging.debug(e)
 148                 logging.error("Failed to restart container. Please do so manually.")
 149
 150         if "running_init_in_service" not in args or not args.running_init_in_service:
 151             try:
 152                 if initializer_service:
 153                     initializer_service.Done()
 154             except dbus.DBusException:
 155                 pass
 156     else:
 157         logging.info("Already initialized")
 158
 159 def wait_for_init(args):
 160     helpers.ipc.create_channel("remote_init_output")
 161
 162     mainloop = GLib.MainLoop()
 163     dbus_obj = DbusInitializer(mainloop, dbus.SystemBus(), '/Initializer', args)
 164     mainloop.run()
 165
 166     # After init
 167     dbus_obj.remove_from_connection()
 168
 169 class DbusInitializer(dbus.service.Object):
 170     def __init__(self, looper, bus, object_path, args):
 171         self.args = args
 172         self.looper = looper
 173         dbus.service.Object.__init__(self, bus, object_path)
 174
 175     @dbus.service.method("id.waydro.Initializer", in_signature='a{ss}', out_signature='', sender_keyword="sender", connection_keyword="conn")
 176     def Init(self, params, sender=None, conn=None):
 177         channels_cfg = tools.config.load_channels()
 178         no_auth = params["system_channel"] == channels_cfg["channels"]["system_channel"] and \
 179                   params["vendor_channel"] == channels_cfg["channels"]["vendor_channel"]
 180         if no_auth or ensure_polkit_auth(sender, conn, "id.waydro.Initializer.Init"):
 181             threading.Thread(target=remote_init_server, args=(self.args, params)).start()
 182         else:
 183             raise PermissionError("Polkit: Authentication failed")
 184
 185     @dbus.service.method("id.waydro.Initializer", in_signature='', out_signature='')
 186     def Done(self):
 187         if is_initialized(self.args):
 188             self.looper.quit()
 189
 190 def ensure_polkit_auth(sender, conn, privilege):
 191     dbus_info = dbus.Interface(conn.get_object("org.freedesktop.DBus", "/org/freedesktop/DBus/Bus", False), "org.freedesktop.DBus")
 192     pid = dbus_info.GetConnectionUnixProcessID(sender)
 193     polkit = dbus.Interface(dbus.SystemBus().get_object("org.freedesktop.PolicyKit1", "/org/freedesktop/PolicyKit1/Authority", False), "org.freedesktop.PolicyKit1.Authority")
 194     try:
 195         (is_auth, _, _) = polkit.CheckAuthorization(
 196             ("unix-process", {
 197                 "pid": dbus.UInt32(pid, variant_level=1),
 198                 "start-time": dbus.UInt64(0, variant_level=1)}),
 199             privilege, {"AllowUserInteraction": "true"},
 200             dbus.UInt32(1),
 201             "",
 202             timeout=300)
 203         return is_auth
 204     except dbus.DBusException:
 205         raise PermissionError("Polkit: Authentication timed out")
 206
 207 def background_remote_init_process(args):
 208     with helpers.ipc.open_channel("remote_init_output", "wb") as channel_out:
 209         class StdoutRedirect(logging.StreamHandler):
 210             def write(self, s):
 211                 channel_out.write(str.encode(s))
 212             def flush(self):
 213                 pass
 214             def emit(self, record):
 215                 if record.levelno >= logging.INFO:
 216                     self.write(self.format(record) + self.terminator)
 217
 218         out = StdoutRedirect()
 219         sys.stdout = sys.stderr = out
 220         logging.getLogger().addHandler(out)
 221
 222         ctl_queue = queue.Queue()
 223         def try_init(args):
 224             try:
 225                 init(args)
 226             except Exception as e:
 227                 print(str(e))
 228             finally:
 229                 ctl_queue.put(0)
 230
 231         def poll_pipe():
 232             poller = select.poll()
 233             poller.register(channel_out, select.POLLERR)
 234             poller.poll()
 235             # When reaching here the client was terminated
 236             ctl_queue.put(0)
 237
 238         init_thread = threading.Thread(target=try_init, args=(args,))
 239         init_thread.daemon = True
 240         init_thread.start()
 241
 242         poll_thread = threading.Thread(target=poll_pipe)
 243         poll_thread.daemon = True
 244         poll_thread.start()
 245
 246         # Join any one of the two threads
 247         # Then exit the subprocess to kill the remaining thread.
 248         # Can you believe this is the only way to kill a thread in python???
 249         ctl_queue.get()
 250
 251         sys.stdout = sys.__stdout__
 252         sys.stderr = sys.__stderr__
 253         logging.getLogger().removeHandler(out)
 254
 255 def remote_init_server(args, params):
 256     args.force = True
 257     args.images_path = ""
 258     args.rom_type = ""
 259     args.system_channel = params["system_channel"]
 260     args.vendor_channel = params["vendor_channel"]
 261     args.system_type = params["system_type"]
 262     args.running_init_in_service = True
 263
 264     p = multiprocessing.Process(target=background_remote_init_process, args=(args,))
 265     p.daemon = True
 266     p.start()
 267     p.join()
 268
 269 def remote_init_client(args):
 270     # Local imports cause Gtk is intrusive
 271     import gi
 272     gi.require_version("Gtk", "3.0")
 273     from gi.repository import Gtk
 274
 275     bus = dbus.SystemBus()
 276
 277     if is_initialized(args):
 278         try:
 279             tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer").Done()
 280         except dbus.DBusException:
 281             pass
 282         return
 283
 284     def notify_and_quit(caller):
 285         if is_initialized(args):
 286             try:
 287                 tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer").Done()
 288             except dbus.DBusException:
 289                 pass
 290         GLib.idle_add(Gtk.main_quit)
 291
 292     class WaydroidInitWindow(Gtk.Window):
 293         def __init__(self):
 294             super().__init__(title="Initialize Waydroid")
 295             channels_cfg = tools.config.load_channels()
 296
 297             self.set_default_size(600, 250)
 298             self.set_icon_name("waydroid")
 299
 300             grid = Gtk.Grid(row_spacing=6, column_spacing=6, margin=10, column_homogeneous=True)
 301             grid.set_hexpand(True)
 302             grid.set_vexpand(True)
 303             self.add(grid)
 304
 305             sysOtaLabel = Gtk.Label("System OTA")
 306             sysOtaEntry = Gtk.Entry()
 307             sysOtaEntry.set_text(channels_cfg["channels"]["system_channel"])
 308             grid.attach(sysOtaLabel, 0, 0, 1, 1)
 309             grid.attach_next_to(sysOtaEntry ,sysOtaLabel, Gtk.PositionType.RIGHT, 2, 1)
 310             self.sysOta = sysOtaEntry.get_buffer()
 311
 312             vndOtaLabel = Gtk.Label("Vendor OTA")
 313             vndOtaEntry = Gtk.Entry()
 314             vndOtaEntry.set_text(channels_cfg["channels"]["vendor_channel"])
 315             grid.attach(vndOtaLabel, 0, 1, 1, 1)
 316             grid.attach_next_to(vndOtaEntry, vndOtaLabel, Gtk.PositionType.RIGHT, 2, 1)
 317             self.vndOta = vndOtaEntry.get_buffer()
 318
 319             sysTypeLabel = Gtk.Label("Android Type")
 320             sysTypeCombo = Gtk.ComboBoxText()
 321             sysTypeCombo.set_entry_text_column(0)
 322             for t in ["VANILLA", "GAPPS"]:
 323                 sysTypeCombo.append_text(t)
 324             sysTypeCombo.set_active(0)
 325             grid.attach(sysTypeLabel, 0, 2, 1, 1)
 326             grid.attach_next_to(sysTypeCombo, sysTypeLabel, Gtk.PositionType.RIGHT, 2, 1)
 327             self.sysType = sysTypeCombo
 328
 329             downloadBtn = Gtk.Button("Download")
 330             downloadBtn.connect("clicked", self.on_download_btn_clicked)
 331             grid.attach(downloadBtn, 1,3,1,1)
 332             self.downloadBtn = downloadBtn
 333
 334             doneBtn = Gtk.Button("Done")
 335             doneBtn.connect("clicked", lambda x: self.destroy())
 336             doneBtn.get_style_context().add_class('suggested-action')
 337             grid.attach_next_to(doneBtn, downloadBtn, Gtk.PositionType.RIGHT, 1, 1)
 338             self.doneBtn = doneBtn
 339
 340             outScrolledWindow = Gtk.ScrolledWindow()
 341             outScrolledWindow.set_hexpand(True)
 342             outScrolledWindow.set_vexpand(True)
 343             outTextView = Gtk.TextView()
 344             outTextView.set_property('editable', False)
 345             outTextView.set_property('cursor-visible', False)
 346             outScrolledWindow.add(outTextView)
 347             grid.attach(outScrolledWindow, 0, 4, 3, 1)
 348             self.outScrolledWindow = outScrolledWindow
 349             self.outTextView = outTextView
 350             self.outBuffer = outTextView.get_buffer()
 351             self.outBuffer.create_mark("end", self.outBuffer.get_end_iter(), False)
 352
 353             self.open_channel = None
 354
 355         def scroll_to_bottom(self):
 356             self.outTextView.scroll_mark_onscreen(self.outBuffer.get_mark("end"))
 357
 358         def on_download_btn_clicked(self, widget):
 359             widget.set_sensitive(False)
 360             self.doneBtn.hide()
 361             self.outTextView.show()
 362             init_params = (self.sysOta.get_text(), self.vndOta.get_text(), self.sysType.get_active_text())
 363             init_runner = threading.Thread(target=self.run_init, args=init_params)
 364             init_runner.daemon = True
 365             init_runner.start()
 366
 367         def run_init(self, systemOta, vendorOta, systemType):
 368             def draw_sync(s):
 369                 if s.startswith('\r'):
 370                     last = self.outBuffer.get_iter_at_line(self.outBuffer.get_line_count()-1)
 371                     last.backward_char()
 372                     self.outBuffer.delete(last, self.outBuffer.get_end_iter())
 373                 self.outBuffer.insert(self.outBuffer.get_end_iter(), s)
 374                 self.scroll_to_bottom()
 375             def draw(s):
 376                 GLib.idle_add(draw_sync, s)
 377
 378             if self.open_channel is not None:
 379                 self.open_channel.close()
 380                 # Wait for other end to reset
 381                 time.sleep(1)
 382
 383             draw("Waiting for waydroid container service...\n")
 384             try:
 385                 params = {
 386                     "system_channel": self.sysOta.get_text(),
 387                     "vendor_channel": self.vndOta.get_text(),
 388                     "system_type": self.sysType.get_active_text()
 389                 }
 390                 tools.helpers.ipc.DBusContainerService("/Initializer", "id.waydro.Initializer").Init(params, timeout=310)
 391             except dbus.DBusException as e:
 392                 if e.get_dbus_name() == "org.freedesktop.DBus.Python.PermissionError":
 393                     draw(e.get_dbus_message().splitlines()[-1] + "\n")
 394                 else:
 395                     draw("The waydroid container service is not listening\n")
 396                 GLib.idle_add(self.downloadBtn.set_sensitive, True)
 397                 return
 398
 399             with helpers.ipc.open_channel("remote_init_output", "rb") as channel:
 400                 self.open_channel = channel
 401                 GLib.idle_add(self.downloadBtn.set_sensitive, True)
 402                 line = ""
 403                 try:
 404                     while True:
 405                         data = channel.read(1)
 406                         if len(data) == 0:
 407                             draw(line)
 408                             break
 409                         c = data.decode()
 410                         if c == '\r':
 411                             draw(line)
 412                             line = c
 413                         else:
 414                             line += c
 415                             if c == '\n':
 416                                 draw(line)
 417                                 line = ""
 418                 except:
 419                     draw("\nInterrupted\n")
 420
 421             if is_initialized(args):
 422                 GLib.idle_add(self.doneBtn.show)
 423                 draw("Done\n")
 424
 425
 426     GLib.set_prgname("Waydroid")
 427     win = WaydroidInitWindow()
 428     win.connect("destroy", notify_and_quit)
 429
 430     win.show_all()
 431     win.outTextView.hide()
 432     win.doneBtn.hide()
 433
 434     Gtk.main()