hardware_manager: Validate upgrade zips against the saved ota channel

[waydroid.git] / tools / helpers / images.py

diff --git a/tools/helpers/images.py b/tools/helpers/images.py
index e00e9b1f43359f955d5cabae0184a064c3de964e..f266db3704dab9a7022ed713d0e82a081f244d39 100644 (file)
--- a/tools/helpers/images.py
+++ b/tools/helpers/images.py
@@ -4,6 +4,7 @@ import logging
 import zipfile
 import json
 import hashlib
+import shutil
 import os
 import tools.config
 from tools import helpers
@@ -78,6 +79,21 @@ def get(args):
             tools.config.save(args, cfg)
             os.remove(images_zip)
             break
+    remove_overlay(args)
+
+def validate(args, channel, image_zip):
+    # Verify that the zip comes from the channel
+    cfg = tools.config.load(args)
+    channel_url = cfg["waydroid"][channel]
+    channel_request = helpers.http.retrieve(channel_url)
+    if channel_request[0] != 200:
+        return False
+    channel_responses = json.loads(channel_request[1].decode('utf8'))["response"]
+    for build in channel_responses:
+        if sha256sum(image_zip) == build['id']:
+            return True
+    logging.warning(f"Could not verify the image {image_zip} against {channel_url}")
+    return False
 
 def replace(args, system_zip, system_time, vendor_zip, vendor_time):
     cfg = tools.config.load(args)
@@ -85,13 +101,22 @@ def replace(args, system_zip, system_time, vendor_zip, vendor_time):
     if os.path.exists(system_zip):
         with zipfile.ZipFile(system_zip, 'r') as zip_ref:
             zip_ref.extractall(args.images_path)
+        os.remove(system_zip)
         cfg["waydroid"]["system_datetime"] = str(system_time)
         tools.config.save(args, cfg)
     if os.path.exists(vendor_zip):
         with zipfile.ZipFile(vendor_zip, 'r') as zip_ref:
             zip_ref.extractall(args.images_path)
+        os.remove(vendor_zip)
         cfg["waydroid"]["vendor_datetime"] = str(vendor_time)
         tools.config.save(args, cfg)
+    remove_overlay(args)
+
+def remove_overlay(args):
+    if os.path.isdir(tools.config.defaults["overlay_rw"]):
+        shutil.rmtree(tools.config.defaults["overlay_rw"])
+    if os.path.isdir(tools.config.defaults["overlay_work"]):
+        shutil.rmtree(tools.config.defaults["overlay_work"])
 
 def make_prop(args, cfg, full_props_path):
     if not os.path.isfile(args.work + "/waydroid_base.prop"):
@@ -110,9 +135,11 @@ def make_prop(args, cfg, full_props_path):
     add_prop("waydroid.host.user", "user_name")
     add_prop("waydroid.host.uid", "user_id")
     add_prop("waydroid.host.gid", "group_id")
+    add_prop("waydroid.host_data_path", "waydroid_data")
     add_prop("waydroid.xdg_runtime_dir", "xdg_runtime_dir")
     add_prop("waydroid.pulse_runtime_path", "pulse_runtime_path")
     add_prop("waydroid.wayland_display", "wayland_display")
+    add_prop("waydroid.background_start", "background_start")
     if which("waydroid-sensord") is None:
         props.append("waydroid.stub_sensors_hal=1")
     dpi = cfg["lcd_density"]
@@ -126,20 +153,29 @@ def make_prop(args, cfg, full_props_path):
     os.chmod(full_props_path, 0o644)
 
 def mount_rootfs(args, images_dir, session):
+    cfg = tools.config.load(args)
     helpers.mount.mount(args, images_dir + "/system.img",
                         tools.config.defaults["rootfs"], umount=True)
-    helpers.mount.mount_overlay(args, [tools.config.defaults["overlay"],
-                                       tools.config.defaults["rootfs"]],
-                                tools.config.defaults["rootfs"],
-                                upper_dir=tools.config.defaults["overlay_rw"] + "/system",
-                                work_dir=tools.config.defaults["overlay_work"] + "/system")
+    if cfg["waydroid"]["mount_overlays"] == "True":
+        try:
+            helpers.mount.mount_overlay(args, [tools.config.defaults["overlay"],
+                                               tools.config.defaults["rootfs"]],
+                                    tools.config.defaults["rootfs"],
+                                    upper_dir=tools.config.defaults["overlay_rw"] + "/system",
+                                    work_dir=tools.config.defaults["overlay_work"] + "/system")
+        except RuntimeError:
+            cfg["waydroid"]["mount_overlays"] = "False"
+            tools.config.save(args, cfg)
+            logging.warning("Mounting overlays failed. The feature has been disabled.")
+
     helpers.mount.mount(args, images_dir + "/vendor.img",
                            tools.config.defaults["rootfs"] + "/vendor")
-    helpers.mount.mount_overlay(args, [tools.config.defaults["overlay"] + "/vendor",
-                                       tools.config.defaults["rootfs"] + "/vendor"],
-                                tools.config.defaults["rootfs"] + "/vendor",
-                                upper_dir=tools.config.defaults["overlay_rw"] + "/vendor",
-                                work_dir=tools.config.defaults["overlay_work"] + "/vendor")
+    if cfg["waydroid"]["mount_overlays"] == "True":
+        helpers.mount.mount_overlay(args, [tools.config.defaults["overlay"] + "/vendor",
+                                           tools.config.defaults["rootfs"] + "/vendor"],
+                                    tools.config.defaults["rootfs"] + "/vendor",
+                                    upper_dir=tools.config.defaults["overlay_rw"] + "/vendor",
+                                    work_dir=tools.config.defaults["overlay_work"] + "/vendor")
 
     for egl_path in ["/vendor/lib/egl", "/vendor/lib64/egl"]:
         if os.path.isdir(egl_path):