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Patch #1610437: fix a tarfile bug with long filename headers.

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(backport from rev. 52938)
This commit is contained in:
Georg Brandl 2006-12-06 22:21:23 +00:00
parent 19d12d4cea
commit 25f58f6b5a
3 changed files with 21 additions and 11 deletions
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8
Lib/tarfile.py
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@ -857,7 +857,11 @@ class TarInfo(object):
if self.name.endswith("/"):
type = DIRTYPE
name = normpath(self.name)
if type in (GNUTYPE_LONGNAME, GNUTYPE_LONGLINK):
# Prevent "././@LongLink" from being normalized.
name = self.name
else:
name = normpath(self.name)
if type == DIRTYPE:
# directories should end with '/'
@ -913,7 +917,7 @@ class TarInfo(object):
]
buf += struct.pack("%ds" % BLOCKSIZE, "".join(parts))
chksum = calc_chksums(buf)[0]
chksum = calc_chksums(buf[-BLOCKSIZE:])[0]
buf = buf[:-364] + "%06o\0" % chksum + buf[-357:]
self.buf = buf
return buf