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