Exemplo n.º 1
0
def WriteBlockIncrementalOTAPackage(target_zip, source_zip, output_file):
  target_info = common.BuildInfo(OPTIONS.target_info_dict, OPTIONS.oem_dicts)
  source_info = common.BuildInfo(OPTIONS.source_info_dict, OPTIONS.oem_dicts)

  target_api_version = target_info["recovery_api_version"]
  source_api_version = source_info["recovery_api_version"]
  if source_api_version == 0:
    logger.warning(
        "Generating edify script for a source that can't install it.")

  script = edify_generator.EdifyGenerator(
      source_api_version, target_info, fstab=source_info["fstab"])

  if target_info.oem_props or source_info.oem_props:
    if not OPTIONS.oem_no_mount:
      source_info.WriteMountOemScript(script)

  metadata = GetPackageMetadata(target_info, source_info)

  if not OPTIONS.no_signing:
    staging_file = common.MakeTempFile(suffix='.zip')
  else:
    staging_file = output_file

  output_zip = zipfile.ZipFile(
      staging_file, "w", compression=zipfile.ZIP_DEFLATED)

  device_specific = common.DeviceSpecificParams(
      source_zip=source_zip,
      source_version=source_api_version,
      source_tmp=OPTIONS.source_tmp,
      target_zip=target_zip,
      target_version=target_api_version,
      target_tmp=OPTIONS.target_tmp,
      output_zip=output_zip,
      script=script,
      metadata=metadata,
      info_dict=source_info)

  source_boot = common.GetBootableImage(
      "/tmp/boot.img", "boot.img", OPTIONS.source_tmp, "BOOT", source_info)
  target_boot = common.GetBootableImage(
      "/tmp/boot.img", "boot.img", OPTIONS.target_tmp, "BOOT", target_info)
  updating_boot = (not OPTIONS.two_step and
                   (source_boot.data != target_boot.data))

  target_recovery = common.GetBootableImage(
      "/tmp/recovery.img", "recovery.img", OPTIONS.target_tmp, "RECOVERY")

  block_diff_dict = GetBlockDifferences(target_zip=target_zip,
                                        source_zip=source_zip,
                                        target_info=target_info,
                                        source_info=source_info,
                                        device_specific=device_specific)

  CheckVintfIfTrebleEnabled(OPTIONS.target_tmp, target_info)

  # Assertions (e.g. device properties check).
  target_info.WriteDeviceAssertions(script, OPTIONS.oem_no_mount)
  device_specific.IncrementalOTA_Assertions()

  # Two-step incremental package strategy (in chronological order,
  # which is *not* the order in which the generated script has
  # things):
  #
  # if stage is not "2/3" or "3/3":
  #    do verification on current system
  #    write recovery image to boot partition
  #    set stage to "2/3"
  #    reboot to boot partition and restart recovery
  # else if stage is "2/3":
  #    write recovery image to recovery partition
  #    set stage to "3/3"
  #    reboot to recovery partition and restart recovery
  # else:
  #    (stage must be "3/3")
  #    perform update:
  #       patch system files, etc.
  #       force full install of new boot image
  #       set up system to update recovery partition on first boot
  #    complete script normally
  #    (allow recovery to mark itself finished and reboot)

  if OPTIONS.two_step:
    if not source_info.get("multistage_support"):
      assert False, "two-step packages not supported by this build"
    fs = source_info["fstab"]["/misc"]
    assert fs.fs_type.upper() == "EMMC", \
        "two-step packages only supported on devices with EMMC /misc partitions"
    bcb_dev = {"bcb_dev": fs.device}
    common.ZipWriteStr(output_zip, "recovery.img", target_recovery.data)
    script.AppendExtra("""
if get_stage("%(bcb_dev)s") == "2/3" then
""" % bcb_dev)

    # Stage 2/3: Write recovery image to /recovery (currently running /boot).
    script.Comment("Stage 2/3")
    script.AppendExtra("sleep(20);\n")
    script.WriteRawImage("/recovery", "recovery.img")
    script.AppendExtra("""
set_stage("%(bcb_dev)s", "3/3");
reboot_now("%(bcb_dev)s", "recovery");
else if get_stage("%(bcb_dev)s") != "3/3" then
""" % bcb_dev)

    # Stage 1/3: (a) Verify the current system.
    script.Comment("Stage 1/3")

  # Dump fingerprints
  script.Print("Source: {}".format(source_info.fingerprint))
  script.Print("Target: {}".format(target_info.fingerprint))

  script.Print("Verifying current system...")

  device_specific.IncrementalOTA_VerifyBegin()

  WriteFingerprintAssertion(script, target_info, source_info)

  # Check the required cache size (i.e. stashed blocks).
  required_cache_sizes = [diff.required_cache for diff in
                          block_diff_dict.values()]
  if updating_boot:
    boot_type, boot_device_expr = common.GetTypeAndDeviceExpr("/boot",
                                                              source_info)
    d = common.Difference(target_boot, source_boot)
    _, _, d = d.ComputePatch()
    if d is None:
      include_full_boot = True
      common.ZipWriteStr(output_zip, "boot.img", target_boot.data)
    else:
      include_full_boot = False

      logger.info(
          "boot      target: %d  source: %d  diff: %d", target_boot.size,
          source_boot.size, len(d))

      common.ZipWriteStr(output_zip, "boot.img.p", d)

      target_expr = 'concat("{}:",{},":{}:{}")'.format(
          boot_type, boot_device_expr, target_boot.size, target_boot.sha1)
      source_expr = 'concat("{}:",{},":{}:{}")'.format(
          boot_type, boot_device_expr, source_boot.size, source_boot.sha1)
      script.PatchPartitionExprCheck(target_expr, source_expr)

      required_cache_sizes.append(target_boot.size)

  if required_cache_sizes:
    script.CacheFreeSpaceCheck(max(required_cache_sizes))

  # Verify the existing partitions.
  for diff in block_diff_dict.values():
    diff.WriteVerifyScript(script, touched_blocks_only=True)

  device_specific.IncrementalOTA_VerifyEnd()

  if OPTIONS.two_step:
    # Stage 1/3: (b) Write recovery image to /boot.
    _WriteRecoveryImageToBoot(script, output_zip)

    script.AppendExtra("""
set_stage("%(bcb_dev)s", "2/3");
reboot_now("%(bcb_dev)s", "");
else
""" % bcb_dev)

    # Stage 3/3: Make changes.
    script.Comment("Stage 3/3")

  script.Comment("---- start making changes here ----")

  device_specific.IncrementalOTA_InstallBegin()

  progress_dict = {partition: 0.1 for partition in block_diff_dict}
  progress_dict["system"] = 1 - len(block_diff_dict) * 0.1

  if OPTIONS.source_info_dict.get("use_dynamic_partitions") == "true":
    if OPTIONS.target_info_dict.get("use_dynamic_partitions") != "true":
      raise RuntimeError(
          "can't generate incremental that disables dynamic partitions")
    dynamic_partitions_diff = common.DynamicPartitionsDifference(
        info_dict=OPTIONS.target_info_dict,
        source_info_dict=OPTIONS.source_info_dict,
        block_diffs=block_diff_dict.values(),
        progress_dict=progress_dict)
    dynamic_partitions_diff.WriteScript(
        script, output_zip, write_verify_script=OPTIONS.verify)
  else:
    for block_diff in block_diff_dict.values():
      block_diff.WriteScript(script, output_zip,
                             progress=progress_dict.get(block_diff.partition),
                             write_verify_script=OPTIONS.verify)

  if OPTIONS.two_step:
    common.ZipWriteStr(output_zip, "boot.img", target_boot.data)
    script.WriteRawImage("/boot", "boot.img")
    logger.info("writing full boot image (forced by two-step mode)")

  if not OPTIONS.two_step:
    if updating_boot:
      if include_full_boot:
        logger.info("boot image changed; including full.")
        script.Print("Installing boot image...")
        script.WriteRawImage("/boot", "boot.img")
      else:
        # Produce the boot image by applying a patch to the current
        # contents of the boot partition, and write it back to the
        # partition.
        logger.info("boot image changed; including patch.")
        script.Print("Patching boot image...")
        script.ShowProgress(0.1, 10)
        target_expr = 'concat("{}:",{},":{}:{}")'.format(
            boot_type, boot_device_expr, target_boot.size, target_boot.sha1)
        source_expr = 'concat("{}:",{},":{}:{}")'.format(
            boot_type, boot_device_expr, source_boot.size, source_boot.sha1)
        script.PatchPartitionExpr(target_expr, source_expr, '"boot.img.p"')
    else:
      logger.info("boot image unchanged; skipping.")

  # Do device-specific installation (eg, write radio image).
  device_specific.IncrementalOTA_InstallEnd()

  if OPTIONS.extra_script is not None:
    script.AppendExtra(OPTIONS.extra_script)

  if OPTIONS.wipe_user_data:
    script.Print("Erasing user data...")
    script.FormatPartition("/data")

  if OPTIONS.two_step:
    script.AppendExtra("""
set_stage("%(bcb_dev)s", "");
endif;
endif;
""" % bcb_dev)

  script.SetProgress(1)
  # For downgrade OTAs, we prefer to use the update-binary in the source
  # build that is actually newer than the one in the target build.
  if OPTIONS.downgrade:
    script.AddToZip(source_zip, output_zip, input_path=OPTIONS.updater_binary)
  else:
    script.AddToZip(target_zip, output_zip, input_path=OPTIONS.updater_binary)
  metadata.required_cache = script.required_cache

  # We haven't written the metadata entry yet, which will be handled in
  # FinalizeMetadata().
  common.ZipClose(output_zip)

  # Sign the generated zip package unless no_signing is specified.
  needed_property_files = (
      NonAbOtaPropertyFiles(),
  )
  FinalizeMetadata(metadata, staging_file, output_file, needed_property_files)
Exemplo n.º 2
0
def WriteFullOTAPackage(input_zip, output_file):
  target_info = common.BuildInfo(OPTIONS.info_dict, OPTIONS.oem_dicts)

  # We don't know what version it will be installed on top of. We expect the API
  # just won't change very often. Similarly for fstab, it might have changed in
  # the target build.
  target_api_version = target_info["recovery_api_version"]
  script = edify_generator.EdifyGenerator(target_api_version, target_info)

  if target_info.oem_props and not OPTIONS.oem_no_mount:
    target_info.WriteMountOemScript(script)

  metadata = GetPackageMetadata(target_info)

  if not OPTIONS.no_signing:
    staging_file = common.MakeTempFile(suffix='.zip')
  else:
    staging_file = output_file

  output_zip = zipfile.ZipFile(
      staging_file, "w", compression=zipfile.ZIP_DEFLATED)

  device_specific = common.DeviceSpecificParams(
      input_zip=input_zip,
      input_version=target_api_version,
      output_zip=output_zip,
      script=script,
      input_tmp=OPTIONS.input_tmp,
      metadata=metadata,
      info_dict=OPTIONS.info_dict)

  assert HasRecoveryPatch(input_zip, info_dict=OPTIONS.info_dict)

  # Assertions (e.g. downgrade check, device properties check).
  #ts = target_info.GetBuildProp("ro.build.date.utc")
  #ts_text = target_info.GetBuildProp("ro.build.date")
  #script.AssertOlderBuild(ts, ts_text)

  target_info.WriteDeviceAssertions(script, OPTIONS.oem_no_mount)
  device_specific.FullOTA_Assertions()

  block_diff_dict = GetBlockDifferences(target_zip=input_zip, source_zip=None,
                                        target_info=target_info,
                                        source_info=None,
                                        device_specific=device_specific)

  # Two-step package strategy (in chronological order, which is *not*
  # the order in which the generated script has things):
  #
  # if stage is not "2/3" or "3/3":
  #    write recovery image to boot partition
  #    set stage to "2/3"
  #    reboot to boot partition and restart recovery
  # else if stage is "2/3":
  #    write recovery image to recovery partition
  #    set stage to "3/3"
  #    reboot to recovery partition and restart recovery
  # else:
  #    (stage must be "3/3")
  #    set stage to ""
  #    do normal full package installation:
  #       wipe and install system, boot image, etc.
  #       set up system to update recovery partition on first boot
  #    complete script normally
  #    (allow recovery to mark itself finished and reboot)

  #recovery_img = common.GetBootableImage("recovery.img", "recovery.img",
  #                                       OPTIONS.input_tmp, "RECOVERY")
  if OPTIONS.two_step:
    if not target_info.get("multistage_support"):
      assert False, "two-step packages not supported by this build"
    fs = target_info["fstab"]["/misc"]
    assert fs.fs_type.upper() == "EMMC", \
        "two-step packages only supported on devices with EMMC /misc partitions"
    bcb_dev = {"bcb_dev": fs.device}
    common.ZipWriteStr(output_zip, "recovery.img", recovery_img.data)
    script.AppendExtra("""
if get_stage("%(bcb_dev)s") == "2/3" then
""" % bcb_dev)

    # Stage 2/3: Write recovery image to /recovery (currently running /boot).
    script.Comment("Stage 2/3")
    #script.WriteRawImage("/recovery", "recovery.img")
    script.AppendExtra("""
set_stage("%(bcb_dev)s", "3/3");
reboot_now("%(bcb_dev)s", "recovery");
else if get_stage("%(bcb_dev)s") == "3/3" then
""" % bcb_dev)

    # Stage 3/3: Make changes.
    script.Comment("Stage 3/3")

  # Dump fingerprints
  script.Print("Target: {}".format(target_info.fingerprint))

  androidver = target_info.GetBuildProp("ro.build.version.release")
  buildid = target_info.GetBuildProp("ro.build.id")
  builddate = target_info.GetBuildProp("ro.build.date")
  securep = target_info.GetBuildProp("ro.build.version.security_patch")
  name = target_info.GetBuildProp("ro.product.name")
  model = target_info.GetBuildProp("ro.product.model")
  manufacturer = target_info.GetBuildProp("ro.product.manufacturer")
  builduser = target_info.GetBuildProp("ro.build.user")
  buildsdk = target_info.GetBuildProp("ro.build.version.sdk")

  # Start output
  script.Print("----------------------------------------------")
  script.Print("           _____ _   _             _   _ ___ ")
  script.Print("  _____  _|_   _| | | |_ __ ___   | | | |_ _|")
  script.Print(" / _ \ \/ / | | | |_| | '_ ` _ \  | | | || |")
  script.Print("|  __/>  <  | | |  _  | | | | | | | |_| || |")
  script.Print(" \___/_/\_\ |_| |_| |_|_| |_| |_|  \___/|___|")
  script.Print("")
  script.Print("         extended TouHou modified UI")
  script.Print("            Based on AOSP")
  script.Print("----------------------------------------------")
  script.Print("ROM Information    :")
  script.Print("Build Date         : %s"%(builddate))
  script.Print("Android Version    : %s"%(androidver))
  script.Print("exTHmUI Version    : %s"%(buildid))
  script.Print("SDK Version        : %s"%(buildsdk))
  script.Print("Security Patch Date: %s"%(securep))
  script.Print("----------------------------------------------")
  script.Print("Device Information :")
  script.Print("Manufacturer       : %s"%(manufacturer))
  script.Print("Name               : %s"%(name))
  script.Print("Model              : %s"%(model))
  script.Print("----------------------------------------------")
  script.Print("Installing exTHmUI to your device...")
  script.Print("")
  device_specific.FullOTA_InstallBegin()

  CopyInstallTools(output_zip)
  script.UnpackPackageDir("install", "/tmp/install")
  script.SetPermissionsRecursive("/tmp/install", 0, 0, 0o755, 0o644, None, None)
  script.SetPermissionsRecursive("/tmp/install/bin", 0, 0, 0o755, 0o755, None, None)

  if target_info.get("system_root_image") == "true":
    sysmount = "/"
  else:
    sysmount = "/system"

  if OPTIONS.backuptool:
    script.RunBackup("backup", sysmount, target_info.get('use_dynamic_partitions') == "true")

  # All other partitions as well as the data wipe use 10% of the progress, and
  # the update of the system partition takes the remaining progress.
  system_progress = 0.9 - (len(block_diff_dict) - 1) * 0.1
  if OPTIONS.wipe_user_data:
    system_progress -= 0.1
  progress_dict = {partition: 0.1 for partition in block_diff_dict}
  progress_dict["system"] = system_progress

  if target_info.get('use_dynamic_partitions') == "true":
    # Use empty source_info_dict to indicate that all partitions / groups must
    # be re-added.
    dynamic_partitions_diff = common.DynamicPartitionsDifference(
        info_dict=OPTIONS.info_dict,
        block_diffs=block_diff_dict.values(),
        progress_dict=progress_dict,
        build_without_vendor=(not HasPartition(input_zip, "vendor")))
    dynamic_partitions_diff.WriteScript(script, output_zip,
                                        write_verify_script=OPTIONS.verify)
  else:
    for block_diff in block_diff_dict.values():
      block_diff.WriteScript(script, output_zip,
                             progress=progress_dict.get(block_diff.partition),
                             write_verify_script=OPTIONS.verify)

  CheckVintfIfTrebleEnabled(OPTIONS.input_tmp, target_info)

  boot_img = common.GetBootableImage(
      "boot.img", "boot.img", OPTIONS.input_tmp, "BOOT")
  common.CheckSize(boot_img.data, "boot.img", target_info)
  common.ZipWriteStr(output_zip, "boot.img", boot_img.data)

  device_specific.FullOTA_PostValidate()

  if OPTIONS.backuptool:
    script.ShowProgress(0.02, 10)
    script.RunBackup("restore", sysmount, target_info.get('use_dynamic_partitions') == "true")

  script.WriteRawImage("/boot", "boot.img")

  script.ShowProgress(0.1, 10)
  device_specific.FullOTA_InstallEnd()

  if OPTIONS.extra_script is not None:
    script.AppendExtra(OPTIONS.extra_script)

  script.UnmountAll()

  if OPTIONS.wipe_user_data:
    script.ShowProgress(0.1, 10)
    script.FormatPartition("/data")

  if OPTIONS.two_step:
    script.AppendExtra("""
set_stage("%(bcb_dev)s", "");
""" % bcb_dev)
    script.AppendExtra("else\n")

    # Stage 1/3: Nothing to verify for full OTA. Write recovery image to /boot.
    script.Comment("Stage 1/3")
    _WriteRecoveryImageToBoot(script, output_zip)

    script.AppendExtra("""
set_stage("%(bcb_dev)s", "2/3");
reboot_now("%(bcb_dev)s", "");
endif;
endif;
""" % bcb_dev)

  script.SetProgress(1)
  script.AddToZip(input_zip, output_zip, input_path=OPTIONS.updater_binary)
  metadata.required_cache = script.required_cache

  # We haven't written the metadata entry, which will be done in
  # FinalizeMetadata.
  common.ZipClose(output_zip)

  needed_property_files = (
      NonAbOtaPropertyFiles(),
  )
  FinalizeMetadata(metadata, staging_file, output_file, needed_property_files)
Exemplo n.º 3
0
def WriteIncrementalOTAPackage(target_zip, source_zip, output_zip):
    source_version = OPTIONS.source_info_dict["recovery_api_version"]
    target_version = OPTIONS.target_info_dict["recovery_api_version"]

    if source_version == 0:
        print(
            "WARNING: generating edify script for a source that "
            "can't install it.")
    script = edify_generator.EdifyGenerator(source_version,
                                            OPTIONS.target_info_dict)

    if OPTIONS.override_prop:
        metadata = {
            "post-timestamp":
            GetBuildProp("ro.build.date.utc", OPTIONS.target_info_dict),
        }
    else:
        metadata = {
            "pre-device":
            GetBuildProp("ro.product.device", OPTIONS.source_info_dict),
            "post-timestamp":
            GetBuildProp("ro.build.date.utc", OPTIONS.target_info_dict),
        }

    device_specific = common.DeviceSpecificParams(
        source_zip=source_zip,
        source_version=source_version,
        target_zip=target_zip,
        target_version=target_version,
        output_zip=output_zip,
        script=script,
        metadata=metadata,
        info_dict=OPTIONS.info_dict)

    print "Loading target..."
    target_data = LoadSystemFiles(target_zip)
    print "Loading source..."
    source_data = LoadSystemFiles(source_zip)

    verbatim_targets = []
    patch_list = []
    diffs = []
    renames = {}
    largest_source_size = 0

    matching_file_cache = {}
    for fn in source_data.keys():
        sf = source_data[fn]
        assert fn == sf.name
        matching_file_cache["path:" + fn] = sf
        # Only allow eligability for filename/sha matching
        # if there isn't a perfect path match.
        if target_data.get(sf.name) is None:
            matching_file_cache["file:" + fn.split("/")[-1]] = sf
            matching_file_cache["sha:" + sf.sha1] = sf

    for fn in sorted(target_data.keys()):
        tf = target_data[fn]
        assert fn == tf.name
        sf = ClosestFileMatch(tf, matching_file_cache, renames)
        if sf is not None and sf.name != tf.name:
            print "File has moved from " + sf.name + " to " + tf.name
            renames[sf.name] = tf

        if sf is None or fn in OPTIONS.require_verbatim:
            # This file should be included verbatim
            if fn in OPTIONS.prohibit_verbatim:
                raise common.ExternalError("\"%s\" must be sent verbatim" %
                                           (fn, ))
            print "send", fn, "verbatim"
            tf.AddToZip(output_zip)
            verbatim_targets.append((fn, tf.size))
        elif tf.sha1 != sf.sha1:
            # File is different; consider sending as a patch
            diffs.append(common.Difference(tf, sf))
        else:
            # Target file data identical to source (may still be renamed)
            pass


#  common.ComputeDifferences(diffs)
#
#  for diff in diffs:
#    tf, sf, d = diff.GetPatch()
#    if d is None or len(d) > tf.size * OPTIONS.patch_threshold:
#      # patch is almost as big as the file; don't bother patching
#      tf.AddToZip(output_zip)
#      verbatim_targets.append((tf.name, tf.size))
#    else:
#      common.ZipWriteStr(output_zip, "patch/" + sf.name + ".p", d)
#      patch_list.append((sf.name, tf, sf, tf.size, common.sha1(d).hexdigest()))
#      largest_source_size = max(largest_source_size, sf.size)

    if not OPTIONS.override_prop:
        source_fp = GetBuildProp("ro.build.fingerprint",
                                 OPTIONS.source_info_dict)
        target_fp = GetBuildProp("ro.build.fingerprint",
                                 OPTIONS.target_info_dict)
        metadata["pre-build"] = source_fp
        metadata["post-build"] = target_fp

        script.Mount("/system")
        script.AssertSomeFingerprint(source_fp, target_fp)

    source_boot = common.GetBootableImage("/tmp/boot.img", "boot.img",
                                          OPTIONS.source_tmp, "BOOT",
                                          OPTIONS.source_info_dict)
    target_boot = common.GetBootableImage("/tmp/boot.img", "boot.img",
                                          OPTIONS.target_tmp, "BOOT")
    updating_boot = (source_boot.data != target_boot.data)

    #source_recovery = common.GetBootableImage(
    #    "/tmp/recovery.img", "recovery.img", OPTIONS.source_tmp, "RECOVERY",
    #    OPTIONS.source_info_dict)
    #target_recovery = common.GetBootableImage(
    #    "/tmp/recovery.img", "recovery.img", OPTIONS.target_tmp, "RECOVERY")
    #updating_recovery = (source_recovery.data != target_recovery.data)
    updating_recovery = False

    # Here's how we divide up the progress bar:
    #  0.1 for verifying the start state (PatchCheck calls)
    #  0.8 for applying patches (ApplyPatch calls)
    #  0.1 for unpacking verbatim files, symlinking, and doing the
    #      device-specific commands.

    AppendAssertions(script, OPTIONS.target_info_dict)
    device_specific.IncrementalOTA_Assertions()

    script.Print("Verifying current system...")

    device_specific.IncrementalOTA_VerifyBegin()

    script.ShowProgress(0.1, 0)
    total_verify_size = float(sum([i[2].size for i in patch_list]) + 1)
    if updating_boot:
        total_verify_size += source_boot.size
    so_far = 0

    for fn, tf, sf, size, patch_sha in patch_list:
        script.PatchCheck("/" + fn, tf.sha1, sf.sha1)
        so_far += sf.size
        script.SetProgress(so_far / total_verify_size)

    if updating_boot:
        d = common.Difference(target_boot, source_boot)
        _, _, d = d.ComputePatch()
        print "boot      target: %d  source: %d  diff: %d" % (
            target_boot.size, source_boot.size, len(d))

        common.ZipWriteStr(output_zip, "patch/boot.img.p", d)

        boot_type, boot_device = common.GetTypeAndDevice(
            "/boot", OPTIONS.info_dict)

        script.PatchCheck(
            "%s:%s:%d:%s:%d:%s" %
            (boot_type, boot_device, source_boot.size, source_boot.sha1,
             target_boot.size, target_boot.sha1))
        so_far += source_boot.size
        script.SetProgress(so_far / total_verify_size)

    if patch_list or updating_recovery or updating_boot:
        script.CacheFreeSpaceCheck(largest_source_size)

    device_specific.IncrementalOTA_VerifyEnd()

    script.Comment("---- start making changes here ----")

    device_specific.IncrementalOTA_InstallBegin()

    if OPTIONS.wipe_user_data:
        script.Print("Erasing user data...")
        script.FormatPartition("/data")

    script.Print("Removing unneeded files...")
    script.DeleteFiles(["/" + i[0] for i in verbatim_targets] + [
        "/" + i for i in sorted(source_data)
        if i not in target_data and i not in renames
    ] + ["/system/recovery.img"])

    script.ShowProgress(0.8, 0)
    total_patch_size = float(sum([i[1].size for i in patch_list]) + 1)
    if updating_boot:
        total_patch_size += target_boot.size
    so_far = 0

    script.Print("Patching system files...")
    deferred_patch_list = []
    for item in patch_list:
        fn, tf, sf, size, _ = item
        if tf.name == "system/build.prop":
            deferred_patch_list.append(item)
            continue
        script.ApplyPatch("/" + fn, "-", tf.size, tf.sha1, sf.sha1,
                          "patch/" + fn + ".p")
        so_far += tf.size
        script.SetProgress(so_far / total_patch_size)

    if updating_boot:
        # Produce the boot image by applying a patch to the current
        # contents of the boot partition, and write it back to the
        # partition.
        script.Print("Patching boot image...")
        script.ApplyPatch(
            "%s:%s:%d:%s:%d:%s" %
            (boot_type, boot_device, source_boot.size, source_boot.sha1,
             target_boot.size, target_boot.sha1), "-", target_boot.size,
            target_boot.sha1, source_boot.sha1, "patch/boot.img.p")
        so_far += target_boot.size
        script.SetProgress(so_far / total_patch_size)
        print "boot image changed; including."
    else:
        print "boot image unchanged; skipping."

    if updating_recovery:
        # Recovery is generated as a patch using both the boot image
        # (which contains the same linux kernel as recovery) and the file
        # /system/etc/recovery-resource.dat (which contains all the images
        # used in the recovery UI) as sources.  This lets us minimize the
        # size of the patch, which must be included in every OTA package.
        #
        # For older builds where recovery-resource.dat is not present, we
        # use only the boot image as the source.

        MakeRecoveryPatch(OPTIONS.target_tmp, output_zip, target_recovery,
                          target_boot)
        script.DeleteFiles([
            "/system/recovery-from-boot.p", "/system/etc/install-recovery.sh"
        ])
        print "recovery image changed; including as patch from boot."
    else:
        print "recovery image unchanged; skipping."

    script.ShowProgress(0.1, 10)

    target_symlinks = CopySystemFiles(target_zip, None)

    target_symlinks_d = dict([(i[1], i[0]) for i in target_symlinks])
    temp_script = script.MakeTemporary()
    Item.GetMetadata(target_zip)
    Item.Get("system").SetPermissions(temp_script)

    # Note that this call will mess up the tree of Items, so make sure
    # we're done with it.
    source_symlinks = CopySystemFiles(source_zip, None)
    source_symlinks_d = dict([(i[1], i[0]) for i in source_symlinks])

    # Delete all the symlinks in source that aren't in target.  This
    # needs to happen before verbatim files are unpacked, in case a
    # symlink in the source is replaced by a real file in the target.
    to_delete = []
    for dest, link in source_symlinks:
        if link not in target_symlinks_d:
            to_delete.append(link)
    script.DeleteFiles(to_delete)

    if verbatim_targets:
        script.Print("Unpacking new files...")
        script.UnpackPackageDir("system", "/system")

    #if updating_recovery:
    #  script.Print("Unpacking new recovery...")
    #  script.UnpackPackageDir("recovery", "/system")

    if len(renames) > 0:
        script.Print("Renaming files...")

    for src in renames:
        print "Renaming " + src + " to " + renames[src].name
        script.RenameFile(src, renames[src].name)

    script.Print("Symlinks and permissions...")

    # Create all the symlinks that don't already exist, or point to
    # somewhere different than what we want.  Delete each symlink before
    # creating it, since the 'symlink' command won't overwrite.
    to_create = []
    for dest, link in target_symlinks:
        if link in source_symlinks_d:
            if dest != source_symlinks_d[link]:
                to_create.append((dest, link))
        else:
            to_create.append((dest, link))
    script.DeleteFiles([i[1] for i in to_create])
    script.MakeSymlinks(to_create)

    # Now that the symlinks are created, we can set all the
    # permissions.
    script.AppendScript(temp_script)

    # Do device-specific installation (eg, write radio image).
    device_specific.IncrementalOTA_InstallEnd()

    if OPTIONS.extra_script is not None:
        script.AppendExtra(OPTIONS.extra_script)

    # Patch the build.prop file last, so if something fails but the
    # device can still come up, it appears to be the old build and will
    # get set the OTA package again to retry.
    script.Print("Patching remaining system files...")
    for item in deferred_patch_list:
        fn, tf, sf, size, _ = item
        script.ApplyPatch("/" + fn, "-", tf.size, tf.sha1, sf.sha1,
                          "patch/" + fn + ".p")
    script.SetPermissions("/system/build.prop", 0, 0, 0644, None, None)

    script.AddToZip(target_zip, output_zip)
    WriteMetadata(metadata, output_zip)
Exemplo n.º 4
0
def WriteFullOTAPackage(input_zip, output_file):
    target_info = common.BuildInfo(OPTIONS.info_dict, OPTIONS.oem_dicts)

    # We don't know what version it will be installed on top of. We expect the API
    # just won't change very often. Similarly for fstab, it might have changed in
    # the target build.
    target_api_version = target_info["recovery_api_version"]
    script = edify_generator.EdifyGenerator(target_api_version, target_info)

    if target_info.oem_props and not OPTIONS.oem_no_mount:
        target_info.WriteMountOemScript(script)

    metadata = GetPackageMetadata(target_info)

    if not OPTIONS.no_signing:
        staging_file = common.MakeTempFile(suffix='.zip')
    else:
        staging_file = output_file

    output_zip = zipfile.ZipFile(staging_file,
                                 "w",
                                 compression=zipfile.ZIP_DEFLATED)

    device_specific = common.DeviceSpecificParams(
        input_zip=input_zip,
        input_version=target_api_version,
        output_zip=output_zip,
        script=script,
        input_tmp=OPTIONS.input_tmp,
        metadata=metadata,
        info_dict=OPTIONS.info_dict)

    assert HasRecoveryPatch(input_zip, info_dict=OPTIONS.info_dict)

    # Assertions (e.g. downgrade check, device properties check).
    ts = target_info.GetBuildProp("ro.build.date.utc")
    ts_text = target_info.GetBuildProp("ro.build.date")
    script.AssertOlderBuild(ts, ts_text)

    target_info.WriteDeviceAssertions(script, OPTIONS.oem_no_mount)
    device_specific.FullOTA_Assertions()

    block_diff_dict = GetBlockDifferences(target_zip=input_zip,
                                          source_zip=None,
                                          target_info=target_info,
                                          source_info=None,
                                          device_specific=device_specific)

    # Two-step package strategy (in chronological order, which is *not*
    # the order in which the generated script has things):
    #
    # if stage is not "2/3" or "3/3":
    #    write recovery image to boot partition
    #    set stage to "2/3"
    #    reboot to boot partition and restart recovery
    # else if stage is "2/3":
    #    write recovery image to recovery partition
    #    set stage to "3/3"
    #    reboot to recovery partition and restart recovery
    # else:
    #    (stage must be "3/3")
    #    set stage to ""
    #    do normal full package installation:
    #       wipe and install system, boot image, etc.
    #       set up system to update recovery partition on first boot
    #    complete script normally
    #    (allow recovery to mark itself finished and reboot)

    #recovery_img = common.GetBootableImage("recovery.img", "recovery.img",
    #                                       OPTIONS.input_tmp, "RECOVERY")
    if OPTIONS.two_step:
        if not target_info.get("multistage_support"):
            assert False, "two-step packages not supported by this build"
        fs = target_info["fstab"]["/misc"]
        assert fs.fs_type.upper() == "EMMC", \
            "two-step packages only supported on devices with EMMC /misc partitions"
        bcb_dev = {"bcb_dev": fs.device}
        common.ZipWriteStr(output_zip, "recovery.img", recovery_img.data)
        script.AppendExtra("""
if get_stage("%(bcb_dev)s") == "2/3" then
""" % bcb_dev)

        # Stage 2/3: Write recovery image to /recovery (currently running /boot).
        script.Comment("Stage 2/3")
        #script.WriteRawImage("/recovery", "recovery.img")
        script.AppendExtra("""
set_stage("%(bcb_dev)s", "3/3");
reboot_now("%(bcb_dev)s", "recovery");
else if get_stage("%(bcb_dev)s") == "3/3" then
""" % bcb_dev)

        # Stage 3/3: Make changes.
        script.Comment("Stage 3/3")

    # Dump fingerprints
    script.Print("Target: {}".format(target_info.fingerprint))

    script.AppendExtra(
        "ifelse(is_mounted(\"/system\"), unmount(\"/system\"));")
    device_specific.FullOTA_InstallBegin()

    # All other partitions as well as the data wipe use 10% of the progress, and
    # the update of the system partition takes the remaining progress.
    system_progress = 0.9 - (len(block_diff_dict) - 1) * 0.1
    if OPTIONS.wipe_user_data:
        system_progress -= 0.1
    progress_dict = {partition: 0.1 for partition in block_diff_dict}
    progress_dict["system"] = system_progress

    if target_info.get('use_dynamic_partitions') == "true":
        # Use empty source_info_dict to indicate that all partitions / groups must
        # be re-added.
        dynamic_partitions_diff = common.DynamicPartitionsDifference(
            info_dict=OPTIONS.info_dict,
            block_diffs=block_diff_dict.values(),
            progress_dict=progress_dict)
        dynamic_partitions_diff.WriteScript(script,
                                            output_zip,
                                            write_verify_script=OPTIONS.verify)
    else:
        for block_diff in block_diff_dict.values():
            block_diff.WriteScript(script,
                                   output_zip,
                                   progress=progress_dict.get(
                                       block_diff.partition),
                                   write_verify_script=OPTIONS.verify)

    CheckVintfIfTrebleEnabled(OPTIONS.input_tmp, target_info)

    boot_img = common.GetBootableImage("boot.img", "boot.img",
                                       OPTIONS.input_tmp, "BOOT")
    common.CheckSize(boot_img.data, "boot.img", target_info)
    common.ZipWriteStr(output_zip, "boot.img", boot_img.data)

    script.WriteRawImage("/boot", "boot.img")

    script.ShowProgress(0.1, 10)
    device_specific.FullOTA_InstallEnd()

    if OPTIONS.extra_script is not None:
        script.AppendExtra(OPTIONS.extra_script)

    script.UnmountAll()

    if OPTIONS.wipe_user_data:
        script.ShowProgress(0.1, 10)
        script.FormatPartition("/data")

    if OPTIONS.two_step:
        script.AppendExtra("""
set_stage("%(bcb_dev)s", "");
""" % bcb_dev)
        script.AppendExtra("else\n")

        # Stage 1/3: Nothing to verify for full OTA. Write recovery image to /boot.
        script.Comment("Stage 1/3")
        _WriteRecoveryImageToBoot(script, output_zip)

        script.AppendExtra("""
set_stage("%(bcb_dev)s", "2/3");
reboot_now("%(bcb_dev)s", "");
endif;
endif;
""" % bcb_dev)

    script.SetProgress(1)
    script.AddToZip(input_zip, output_zip, input_path=OPTIONS.updater_binary)
    metadata.required_cache = script.required_cache

    # We haven't written the metadata entry, which will be done in
    # FinalizeMetadata.
    common.ZipClose(output_zip)

    needed_property_files = (NonAbOtaPropertyFiles(), )
    FinalizeMetadata(metadata, staging_file, output_file,
                     needed_property_files)
Exemplo n.º 5
0
def WriteFullOTAPackage(input_zip, output_zip):
    # TODO: how to determine this?  We don't know what version it will
    # be installed on top of.  For now, we expect the API just won't
    # change very often.
    script = edify_generator.EdifyGenerator(3, OPTIONS.info_dict)

    if OPTIONS.override_prop:
        metadata = {
            "post-timestamp": GetBuildProp("ro.build.date.utc",
                                           OPTIONS.info_dict),
        }
    else:
        metadata = {
            "post-build": GetBuildProp("ro.build.fingerprint",
                                       OPTIONS.info_dict),
            "pre-device": GetBuildProp("ro.product.device", OPTIONS.info_dict),
            "post-timestamp": GetBuildProp("ro.build.date.utc",
                                           OPTIONS.info_dict),
        }

    device_specific = common.DeviceSpecificParams(
        input_zip=input_zip,
        input_version=OPTIONS.info_dict["recovery_api_version"],
        output_zip=output_zip,
        script=script,
        input_tmp=OPTIONS.input_tmp,
        metadata=metadata,
        info_dict=OPTIONS.info_dict)

    #if not OPTIONS.omit_prereq:
    #  ts = GetBuildProp("ro.build.date.utc", OPTIONS.info_dict)
    #  ts_text = GetBuildProp("ro.build.date", OPTIONS.info_dict)
    #  script.AssertOlderBuild(ts, ts_text)

    AppendAssertions(script, OPTIONS.info_dict)
    device_specific.FullOTA_Assertions()
    device_specific.FullOTA_InstallBegin()

    if OPTIONS.backuptool:
        script.Mount("/system")
        script.RunBackup("backup")
        script.Unmount("/system")

    script.ShowProgress(0.5, 0)

    if OPTIONS.wipe_user_data:
        script.FormatPartition("/data")

    if "selinux_fc" in OPTIONS.info_dict:
        WritePolicyConfig(OPTIONS.info_dict["selinux_fc"], output_zip)

    script.FormatPartition("/system")
    script.Mount("/system")
    #script.UnpackPackageDir("recovery", "/system")
    script.UnpackPackageDir("system", "/system")

    symlinks = CopySystemFiles(input_zip, output_zip)
    script.MakeSymlinks(symlinks)

    boot_img = common.GetBootableImage("boot.img", "boot.img",
                                       OPTIONS.input_tmp, "BOOT")
    #recovery_img = common.GetBootableImage("recovery.img", "recovery.img",
    #                                       OPTIONS.input_tmp, "RECOVERY")
    #MakeRecoveryPatch(OPTIONS.input_tmp, output_zip, recovery_img, boot_img)

    Item.GetMetadata(input_zip)
    Item.Get("system").SetPermissions(script)

    common.CheckSize(boot_img.data, "boot.img", OPTIONS.info_dict)
    common.ZipWriteStr(output_zip, "boot.img", boot_img.data)
    script.ShowProgress(0.2, 0)

    if OPTIONS.backuptool:
        script.ShowProgress(0.2, 10)
        script.RunBackup("restore")

    script.ShowProgress(0.2, 10)
    script.WriteRawImage("/boot", "boot.img")

    script.ShowProgress(0.1, 0)
    device_specific.FullOTA_InstallEnd()

    if OPTIONS.extra_script is not None:
        script.AppendExtra(OPTIONS.extra_script)

    script.UnmountAll()
    script.AddToZip(input_zip, output_zip)
    WriteMetadata(metadata, output_zip)