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repo: split size check into too small and too big

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also add a hint if somebody needs to restore an archive that has too big objects.
This commit is contained in:
Thomas Waldmann 2016-08-08 22:00:34 +02:00
parent a360307938
commit 20392f8dd9
1 changed files with 8 additions and 3 deletions
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11
borg/repository.py
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@ -712,9 +712,14 @@ class LoggedIO:
key = None
else:
raise TypeError("_read called with unsupported format")
if size > MAX_OBJECT_SIZE or size < fmt.size:
raise IntegrityError('Invalid segment entry size [segment {}, offset {}]'.format(
segment, offset))
if size > MAX_OBJECT_SIZE:
# if you get this on an archive made with borg < 1.0.7 and millions of files and
# you need to restore it, you can disable this check by using "if False:" above.
raise IntegrityError('Invalid segment entry size {} - too big [segment {}, offset {}]'.format(
size, segment, offset))
if size < fmt.size:
raise IntegrityError('Invalid segment entry size {} - too small [segment {}, offset {}]'.format(
size, segment, offset))
length = size - fmt.size
data = fd.read(length)
if len(data) != length: