b3a3a2893b
list_image <img> lists the contents of the file. For example: $ m microdroid $ list_image <path to microdroid.img> ./ ./apex/ ./bin .. Bug: 195425111 Bug: 225121718 Test: list_image .img Change-Id: I7c4fca184751ba20066fd25fa4c366a955dbabf6
104 lines
2.9 KiB
Python
104 lines
2.9 KiB
Python
#!/usr/bin/env python
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#
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# Copyright (C) 2022 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""list_image is a tool that prints out content of an .img file.
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To print content of an image to stdout:
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list_image foo.img
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"""
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from __future__ import print_function
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import argparse
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import os
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import sys
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import subprocess
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class ImageEntry(object):
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def __init__(self, name, base_dir, is_directory=False):
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self._name = name
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self._base_dir = base_dir
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self._is_directory = is_directory
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@property
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def name(self):
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return self._name
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@property
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def full_path(self):
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return os.path.join(self._base_dir, self._name)
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@property
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def is_directory(self):
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return self._is_directory
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class Image(object):
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def __init__(self, debugfs_path, img_path):
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self._debugfs = debugfs_path
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self._img_path = img_path
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def list(self, path):
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print(path)
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process = subprocess.Popen([self._debugfs, '-R', 'ls -l -p %s' % path, self._img_path],
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stdout=subprocess.PIPE, stderr=subprocess.PIPE,
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universal_newlines=True)
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stdout, _ = process.communicate()
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res = str(stdout)
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entries = []
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for line in res.split('\n'):
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if not line:
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continue
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parts = line.split('/')
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if len(parts) != 8:
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continue
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name = parts[5]
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if not name:
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continue
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bits = parts[2]
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is_directory = bits[1] == '4'
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entries.append(ImageEntry(name, path, is_directory))
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for e in sorted(entries, key=lambda e: e.name):
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yield e
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if e.is_directory and e.name != '.' and e.name != '..':
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yield from self.list(path + e.name + '/')
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def main(argv):
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parser = argparse.ArgumentParser()
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debugfs_default = None
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if 'ANDROID_HOST_OUT' in os.environ:
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debugfs_default = '%s/bin/debugfs_static' % os.environ['ANDROID_HOST_OUT']
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parser.add_argument('--debugfs_path', help='The path to debugfs binary', default=debugfs_default)
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parser.add_argument('img_path', type=str, help='.img file')
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args = parser.parse_args(argv)
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if not args.debugfs_path:
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print('ANDROID_HOST_OUT environment variable is not defined, --debugfs_path must be set',
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file=sys.stderr)
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sys.exit(1)
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for e in Image(args.debugfs_path, args.img_path).list('./'):
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if e.is_directory:
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continue
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print(e.full_path)
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if __name__ == '__main__':
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main(sys.argv[1:])
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