X-Git-Url: https://glassweightruler.freedombox.rocks/gitweb/waydroid.git/blobdiff_plain/8f6570b82007b1ca79af4db19412eb258e7b3a2f..2a2097f4ff99287c84bee69f5116cffdc90e73b1:/tools/helpers/lxc.py diff --git a/tools/helpers/lxc.py b/tools/helpers/lxc.py index ae54128..6be7b7d 100644 --- a/tools/helpers/lxc.py +++ b/tools/helpers/lxc.py @@ -12,7 +12,6 @@ import gbinder import tools.config import tools.helpers.run - def get_lxc_version(args): if shutil.which("lxc-info") is not None: command = ["lxc-info", "--version"] @@ -21,22 +20,24 @@ def get_lxc_version(args): else: return 0 +def add_node_entry(nodes, src, dist, mnt_type, options, check): + if check and not os.path.exists(src): + return False + entry = "lxc.mount.entry = " + entry += src + " " + if dist is None: + dist = src[1:] + entry += dist + " " + entry += mnt_type + " " + entry += options + nodes.append(entry) + return True def generate_nodes_lxc_config(args): + nodes = [] def make_entry(src, dist=None, mnt_type="none", options="bind,create=file,optional 0 0", check=True): - if check and not os.path.exists(src): - return False - entry = "lxc.mount.entry = " - entry += src + " " - if dist is None: - dist = src[1:] - entry += dist + " " - entry += mnt_type + " " - entry += options - nodes.append(entry) - return True + return add_node_entry(nodes, src, dist, mnt_type, options, check) - nodes = [] # Necessary dev nodes make_entry("tmpfs", "dev", "tmpfs", "nosuid 0 0", False) make_entry("/dev/zero") @@ -45,6 +46,7 @@ def generate_nodes_lxc_config(args): make_entry("/dev/ashmem") make_entry("/dev/fuse") make_entry("/dev/ion") + make_entry("/dev/tty") make_entry("/dev/char", options="bind,create=dir,optional 0 0") # Graphic dev nodes @@ -72,7 +74,7 @@ def generate_nodes_lxc_config(args): if args.vendor_type != "MAINLINE": if not make_entry("/dev/hwbinder", "dev/host_hwbinder"): raise OSError('Binder node "hwbinder" of host not found') - make_entry("/vendor", "vendor_extra", options="bind,optional 0 0") + make_entry("/vendor", "vendor_extra", options="rbind,optional 0 0") # Necessary device nodes for adb make_entry("none", "dev/pts", "devpts", "defaults,mode=644,ptmxmode=666,create=dir 0 0", False) @@ -84,19 +86,10 @@ def generate_nodes_lxc_config(args): # Low memory killer sys node make_entry("/sys/module/lowmemorykiller", options="bind,create=dir,optional 0 0") - # Mount /data - make_entry("tmpfs", "mnt", "tmpfs", "mode=0755,uid=0,gid=1000", False) - make_entry(tools.config.defaults["data"], "data", options="bind 0 0", check=False) - # Mount host permissions make_entry(tools.config.defaults["host_perms"], "vendor/etc/host-permissions", options="bind,optional 0 0") - # Recursive mount /run to provide necessary host sockets - make_entry("/run", options="rbind,create=dir 0 0") - # And /dev/shm - make_entry("/dev/shm", options="rbind,create=dir,optional 0 0") - # Necessary sw_sync node for HWC make_entry("/dev/sw_sync") make_entry("/sys/kernel/debug", options="rbind,create=dir,optional 0 0") @@ -118,14 +111,10 @@ def generate_nodes_lxc_config(args): make_entry("/mnt/wslg", "mnt_extra/wslg", options="rbind,create=dir,optional 0 0") - # var - make_entry("tmpfs", "var", "tmpfs", "nodev 0 0", False) - make_entry("/var/run", options="rbind,create=dir,optional 0 0") - - # tmp + # Make a tmpfs at every possible rootfs mountpoint make_entry("tmpfs", "tmp", "tmpfs", "nodev 0 0", False) - for n in glob.glob("/tmp/run-*"): - make_entry(n, options="rbind,create=dir,optional 0 0") + make_entry("tmpfs", "var", "tmpfs", "nodev 0 0", False) + make_entry("tmpfs", "run", "tmpfs", "nodev 0 0", False) # NFC config make_entry("/system/etc/libnfc-nci.conf", options="bind,optional 0 0") @@ -185,6 +174,43 @@ def set_lxc_config(args): command = ["mv", config_nodes_tmp_path, lxc_path] tools.helpers.run.user(args, command) + # Create empty file + open(os.path.join(lxc_path, "config_session"), mode="w").close() + +def generate_session_lxc_config(args, session): + nodes = [] + def make_entry(src, dist=None, mnt_type="none", options="rbind,create=file 0 0"): + if any(x in src for x in ["\n", "\r"]): + logging.warning("User-provided mount path contains illegal character: " + src) + return False + if dist is None and (not os.path.exists(src) or + str(os.stat(src).st_uid) != session["user_id"]): + logging.warning("User-provided mount path is not owned by user: " + src) + return False + return add_node_entry(nodes, src, dist, mnt_type, options, check=False) + + # Make sure XDG_RUNTIME_DIR exists + if not make_entry("tmpfs", session["xdg_runtime_dir"], options="create=dir 0 0"): + raise OSError("Failed to create XDG_RUNTIME_DIR mount point") + + wayland_socket = os.path.realpath(os.path.join(session["xdg_runtime_dir"], session["wayland_display"])) + if not make_entry(wayland_socket): + raise OSError("Failed to bind Wayland socket") + + pulse_socket = os.path.join(session["pulse_runtime_path"], "native") + make_entry(pulse_socket) + + if not make_entry(session["waydroid_data"], "data", options="rbind 0 0"): + raise OSError("Failed to bind userdata") + + lxc_path = tools.config.defaults["lxc"] + "/waydroid" + config_nodes_tmp_path = args.work + "/config_session" + config_nodes = open(config_nodes_tmp_path, "w") + for node in nodes: + config_nodes.write(node + "\n") + config_nodes.close() + command = ["mv", config_nodes_tmp_path, lxc_path] + tools.helpers.run.user(args, command) def make_base_props(args): def find_hal(hardware): @@ -346,8 +372,11 @@ def setup_host_perms(args): def status(args): command = ["lxc-info", "-P", tools.config.defaults["lxc"], "-n", "waydroid", "-sH"] - out = subprocess.run(command, stdout=subprocess.PIPE).stdout.decode('utf-8').strip() - return out + try: + return tools.helpers.run.user(args, command, output_return=True).strip() + except: + logging.info("Couldn't get LXC status. Assuming STOPPED.") + return "STOPPED" def wait_for_running(args): lxc_status = status(args) @@ -383,6 +412,22 @@ def unfreeze(args): tools.config.defaults["lxc"], "-n", "waydroid"] tools.helpers.run.user(args, command) +ANDROID_ENV = { + "PATH": "/product/bin:/apex/com.android.runtime/bin:/apex/com.android.art/bin:/system_ext/bin:/system/bin:/system/xbin:/odm/bin:/vendor/bin:/vendor/xbin", + "ANDROID_ROOT": "/system", + "ANDROID_DATA": "/data", + "ANDROID_STORAGE": "/storage", + "ANDROID_ART_ROOT": "/apex/com.android.art", + "ANDROID_I18N_ROOT": "/apex/com.android.i18n", + "ANDROID_TZDATA_ROOT": "/apex/com.android.tzdata", + "ANDROID_RUNTIME_ROOT": "/apex/com.android.runtime", + "BOOTCLASSPATH": "/apex/com.android.art/javalib/core-oj.jar:/apex/com.android.art/javalib/core-libart.jar:/apex/com.android.art/javalib/core-icu4j.jar:/apex/com.android.art/javalib/okhttp.jar:/apex/com.android.art/javalib/bouncycastle.jar:/apex/com.android.art/javalib/apache-xml.jar:/system/framework/framework.jar:/system/framework/ext.jar:/system/framework/telephony-common.jar:/system/framework/voip-common.jar:/system/framework/ims-common.jar:/system/framework/framework-atb-backward-compatibility.jar:/apex/com.android.conscrypt/javalib/conscrypt.jar:/apex/com.android.media/javalib/updatable-media.jar:/apex/com.android.mediaprovider/javalib/framework-mediaprovider.jar:/apex/com.android.os.statsd/javalib/framework-statsd.jar:/apex/com.android.permission/javalib/framework-permission.jar:/apex/com.android.sdkext/javalib/framework-sdkextensions.jar:/apex/com.android.wifi/javalib/framework-wifi.jar:/apex/com.android.tethering/javalib/framework-tethering.jar" +} + +def android_env_attach_options(): + env = [k + "=" + v for k, v in ANDROID_ENV.items()] + return [x for var in env for x in ("--set-var", var)] + def shell(args): state = status(args) if state == "FROZEN": @@ -391,24 +436,50 @@ def shell(args): logging.error("WayDroid container is {}".format(state)) return command = ["lxc-attach", "-P", tools.config.defaults["lxc"], - "-n", "waydroid", "--"] + "-n", "waydroid", "--clear-env"] + command.extend(android_env_attach_options()) + if args.uid!=None: + command.append("--uid="+str(args.uid)) + if args.gid!=None: + command.append("--gid="+str(args.gid)) + elif args.uid!=None: + command.append("--gid="+str(args.uid)) + if args.nolsm or args.allcaps or args.nocgroup: + elevatedprivs = "--elevated-privileges=" + addpipe = False + if args.nolsm: + if addpipe: + elevatedprivs+="|" + elevatedprivs+="LSM" + addpipe = True + if args.allcaps: + if addpipe: + elevatedprivs+="|" + elevatedprivs+="CAP" + addpipe = True + if args.nocgroup: + if addpipe: + elevatedprivs+="|" + elevatedprivs+="CGROUP" + addpipe = True + command.append(elevatedprivs) + if args.context!=None and not args.nolsm: + command.append("--context="+args.context) + command.append("--") if args.COMMAND: command.extend(args.COMMAND) else: command.append("/system/bin/sh") - subprocess.run(command, env={"PATH": os.environ['PATH'] + ":/system/bin:/vendor/bin"}) + subprocess.run(command) if state == "FROZEN": freeze(args) def logcat(args): - state = status(args) - if state == "FROZEN": - unfreeze(args) - elif state != "RUNNING": - logging.error("WayDroid container is {}".format(state)) - return - command = ["lxc-attach", "-P", tools.config.defaults["lxc"], - "-n", "waydroid", "--", "/system/bin/logcat"] - subprocess.run(command) - if state == "FROZEN": - freeze(args) + args.COMMAND = ["/system/bin/logcat"] + args.uid = None + args.gid = None + args.nolsm = None + args.allcaps = None + args.nocgroup = None + args.context = None + shell(args)