from util import build_utils
+def RenameLibInApk(rezip_path, in_zip_file, out_zip_file):
+ rename_cmd = [
+ rezip_path,
+ 'rename',
+ in_zip_file,
+ out_zip_file,
+ ]
+ build_utils.CheckOutput(rename_cmd)
+
+
def SignApk(key_path, key_name, key_passwd, unsigned_path, signed_path):
shutil.copy(unsigned_path, signed_path)
sign_cmd = [
build_utils.CheckOutput(align_cmd)
+def UncompressLibAndPageAlignInApk(rezip_path, in_zip_file, out_zip_file):
+ rename_cmd = [
+ rezip_path,
+ 'inflatealign',
+ in_zip_file,
+ out_zip_file,
+ ]
+ build_utils.CheckOutput(rename_cmd)
+
+
+def DropDataDescriptorsInApk(rezip_path, in_zip_file, out_zip_file):
+ rename_cmd = [
+ rezip_path,
+ 'dropdescriptors',
+ in_zip_file,
+ out_zip_file,
+ ]
+ build_utils.CheckOutput(rename_cmd)
+
+
def main():
parser = optparse.OptionParser()
+ build_utils.AddDepfileOption(parser)
parser.add_option('--zipalign-path', help='Path to the zipalign tool.')
+ parser.add_option('--rezip-path', help='Path to the rezip executable.')
parser.add_option('--unsigned-apk-path', help='Path to input unsigned APK.')
parser.add_option('--final-apk-path',
help='Path to output signed and aligned APK.')
parser.add_option('--key-passwd', help='Keystore password')
parser.add_option('--key-name', help='Keystore name')
parser.add_option('--stamp', help='Path to touch on success.')
+ parser.add_option('--load-library-from-zip-file', type='int',
+ help='If non-zero, build the APK such that the library can be loaded ' +
+ 'directly from the zip file using the crazy linker. The library ' +
+ 'will be renamed, uncompressed and page aligned.')
options, _ = parser.parse_args()
- with tempfile.NamedTemporaryFile() as intermediate_file:
- signed_apk_path = intermediate_file.name
+ with tempfile.NamedTemporaryFile() as signed_apk_path_tmp, \
+ tempfile.NamedTemporaryFile() as apk_to_sign_tmp, \
+ tempfile.NamedTemporaryFile() as apk_without_descriptors_tmp, \
+ tempfile.NamedTemporaryFile() as aligned_apk_tmp:
+
+ if options.load_library_from_zip_file:
+ # We alter the name of the library so that the Android Package Manager
+ # does not extract it into a separate file. This must be done before
+ # signing, as the filename is part of the signed manifest.
+ apk_to_sign = apk_to_sign_tmp.name
+ RenameLibInApk(options.rezip_path, options.unsigned_apk_path, apk_to_sign)
+ else:
+ apk_to_sign = options.unsigned_apk_path
+
+ signed_apk_path = signed_apk_path_tmp.name
SignApk(options.key_path, options.key_name, options.key_passwd,
- options.unsigned_apk_path, signed_apk_path)
- AlignApk(options.zipalign_path, signed_apk_path, options.final_apk_path)
+ apk_to_sign, signed_apk_path)
+
+ if options.load_library_from_zip_file:
+ # Signing adds data descriptors to the APK. These are redundant
+ # information. We remove them as otherwise they can cause a
+ # miscalculation in the page alignment.
+ apk_to_align = apk_without_descriptors_tmp.name
+ DropDataDescriptorsInApk(
+ options.rezip_path, signed_apk_path, apk_to_align)
+ aligned_apk = aligned_apk_tmp.name
+ else:
+ apk_to_align = signed_apk_path
+ aligned_apk = options.final_apk_path
+
+ # Align uncompress items to 4 bytes
+ AlignApk(options.zipalign_path, apk_to_align, aligned_apk)
+
+ if options.load_library_from_zip_file:
+ # Uncompress the library and make sure that it is page aligned.
+ UncompressLibAndPageAlignInApk(
+ options.rezip_path, aligned_apk, options.final_apk_path)
+
+ if options.depfile:
+ build_utils.WriteDepfile(
+ options.depfile, build_utils.GetPythonDependencies())
if options.stamp:
build_utils.Touch(options.stamp)
if __name__ == '__main__':
sys.exit(main())
-
-