Lines Matching refs:footer
1884 magic: Magic for identifying the footer, see |MAGIC|.
1885 version_major: The major version of avbtool that wrote the footer.
1886 version_minor: The minor version of avbtool that wrote the footer.
1904 """Initializes a new footer object.
1910 LookupError: If the given footer is malformed.
1911 struct.error: If the given data has no footer.
1920 raise LookupError('Given data does not look like a AVB footer.')
1930 """Gets a string representing the binary encoding of the footer.
1933 A bytearray() with a binary representation of the footer.
2122 image_filename: File to extract vbmeta data from (with a footer).
2126 AvbError: If there's no footer in the image.
2130 (footer, _, _, _) = self._parse_image(image)
2132 if not footer:
2133 raise AvbError('Given image does not have a footer.')
2135 image.seek(footer.vbmeta_offset)
2136 vbmeta_blob = image.read(footer.vbmeta_size)
2148 image_filename: File to erase a footer from.
2152 AvbError: If there's no footer in the image.
2157 (footer, _, descriptors, _) = self._parse_image(image)
2159 if not footer:
2160 raise AvbError('Given image does not have a footer.')
2164 new_image_size = footer.original_image_size
2193 AvbError: If there's no footer in the image.
2198 (footer, _, descriptors, _) = self._parse_image(image)
2200 if not footer:
2201 raise AvbError('Given image does not have a footer.')
2248 image_filename: File with footer to resize.
2252 AvbError: If there's no footer in the image.
2262 (footer, _, _, _) = self._parse_image(image)
2264 if not footer:
2265 raise AvbError('Given image does not have a footer.')
2268 # image amounts to just moving the footer around.
2270 vbmeta_end_offset = footer.vbmeta_offset + footer.vbmeta_size
2288 # Just reuse the same footer - only difference is that we're
2290 footer_blob = footer.encode()
2341 (footer, header, descriptors, image_size) = self._parse_image(image)
2350 if footer:
2351 o.write('Footer version: {}.{}\n'.format(footer.version_major,
2352 footer.version_minor))
2355 footer.original_image_size))
2356 o.write('VBMeta offset: {}\n'.format(footer.vbmeta_offset))
2357 o.write('VBMeta size: {} bytes\n'.format(footer.vbmeta_size))
2433 (footer, header, descriptors, _) = self._parse_image(image)
2435 if footer:
2436 offset = footer.vbmeta_offset
2458 if footer:
2459 print('vbmeta: Successfully verified footer and {} vbmeta struct in {}'
2502 (footer, header, descriptors, _) = self._parse_image(image)
2504 if footer:
2505 offset = footer.vbmeta_offset
2579 The image can either be a vbmeta or an image with a footer.
2582 image: An ImageHandler (vbmeta or footer) with a hashtree descriptor.
2586 is no footer on the image), the second argument is a
2595 footer = None
2598 footer = AvbFooter(image.read(AvbFooter.SIZE))
2604 if footer:
2605 vbmeta_offset = footer.vbmeta_offset
2616 return footer, h, descriptors, image.image_size
2621 The image can either be a vbmeta.img or an image with a footer.
2624 image: An ImageHandler (vbmeta or footer).
2630 footer = None
2633 footer = AvbFooter(image.read(AvbFooter.SIZE))
2639 if footer:
2640 vbmeta_offset = footer.vbmeta_offset
2713 image: An ImageHandler (vbmeta or footer) with a hashtree descriptor.
3078 image_filename: File to add the footer to.
3092 # If there's already a footer, truncate the image to its original
3097 footer = AvbFooter(image.read(AvbFooter.SIZE))
3098 # Existing footer found. Just truncate.
3099 original_image_size = footer.original_image_size
3100 image.truncate(footer.original_image_size)
3104 # Image size is too small to possibly contain a footer.
3123 # footer.
3129 # Append vbmeta blob and footer
3138 # Generate the Footer that tells where the VBMeta footer
3139 # is. Also put enough padding in the front of the footer since
3141 footer = AvbFooter()
3142 footer.original_image_size = original_image_size
3143 footer.vbmeta_offset = vbmeta_offset
3144 footer.vbmeta_size = len(vbmeta_blob)
3145 footer_blob = footer.encode()
3170 image_filename: File to add the footer to.
3188 calc_max_image_size: Don't store the footer - instead calculate the
3215 # this size + metadata (footer + vbmeta struct) fits in
3236 # If there's already a footer, truncate the image to its original
3242 footer = AvbFooter(image.read(AvbFooter.SIZE))
3243 # Existing footer found. Just truncate.
3244 original_image_size = footer.original_image_size
3245 image.truncate(footer.original_image_size)
3249 # Image size is too small to possibly contain a footer.
3293 # Generate the VBMeta footer.
3307 # Append vbmeta blob and footer, unless requested not to.
3320 # footer.
3335 # Generate the Footer that tells where the VBMeta footer
3336 # is. Also put enough padding in the front of the footer since
3338 footer = AvbFooter()
3339 footer.original_image_size = original_image_size
3340 footer.vbmeta_offset = vbmeta_offset
3341 footer.vbmeta_size = len(vbmeta_blob)
3342 footer_blob = footer.encode()
3374 image_filename: File to add the footer to.
3397 calc_max_image_size: Don't store the hashtree or footer - instead
3428 # size such that an image this size + the hashtree + metadata (footer +
3463 # If there's already a footer, truncate the image to its original
3469 footer = AvbFooter(image.read(AvbFooter.SIZE))
3470 # Existing footer found. Just truncate.
3471 original_image_size = footer.original_image_size
3472 image.truncate(footer.original_image_size)
3476 # Image size is too small to possibly contain a footer.
3575 # Generate the VBMeta footer and add padding as needed.
3592 # Append vbmeta blob and footer, unless requested not to.
3602 # Generate the Footer that tells where the VBMeta footer
3603 # is. Also put enough padding in the front of the footer since
3605 footer = AvbFooter()
3606 footer.original_image_size = original_image_size
3607 footer.vbmeta_offset = vbmeta_offset
3608 footer.vbmeta_size = len(vbmeta_blob)
3609 footer_blob = footer.encode()
3886 raise ValueError('Unexpected magic in FEC footer')
4024 help=('Don\'t store the footer - '
4113 help='Add hashes and footer to image.')
4129 help=('Don\'t store the footer - '
4138 help=('Do not append vbmeta struct or footer '
4161 help='Add hashtree and footer to image.')
4198 help=('Don\'t store the hashtree or footer - '
4208 help=('Do not append vbmeta struct or footer '
4225 help='Erase footer from an image.')
4227 help='Image with a footer',
4238 help='Image with a footer',
4245 help='Extracts vbmeta from an image with a footer.')
4247 help='Image with footer',
4263 help='Resize image with a footer.')
4265 help='Image with a footer',
4275 help='Show information about vbmeta or footer.')