We are letting tar itself to determine compression program/algorithm (i.e: tar
xvf <filename>) when extract number of bzip2 archives, but on particular
archive tar did not work. We got following errors:
tar: Archive contains `\225@\0\002\201l\0\031\001T\002\224' where numeric
off_t value expected
tar: Archive contains `\t%\f\224\0\0\025' where numeric mode_t value
expected
tar: Archive contains `M\205\r\0\n\001@\n4\0\0244' where numeric time_t
value expected
tar: Archive contains `\250\001J\0054P4' where numeric uid_t value expected
tar: Archive contains `\0\002\212\0\0\221A' where numeric gid_t value
expected
BZh91AY&SYb\336:a\005\317b\177\377\377\377\377\377\377\377\377\377\377
\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\342\324;\210@\005
tar:
BZh91AY&SYb\336\:a\005\317b\177\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377
\377\377\377\377\377\377\377\377\377\377\377\377\377\342\324;\210@\005:
Unknown file type `@', extracted as normal file
tar: BZh91AY&SYb�:a�b�����������������������������������;�@: implausibly old
time stamp 1970-01-01 00:59:59
tar: Skipping to next header
tar: Exiting with failure status due to previous errors
We looked shortly in source code of tar, and it seams that it tries first to
compute tar_checksum and if it is correct, it will try to extract tar archive.
Only when checksum is wrong, it will try to determine compression
algorithm/program.
I guess that in out particular case it just might be that accidentally checksum
is correct.
We are using using tar version 1.26. We also tried compiling and testing
version 1.27.1 and we got same errors.
Unfortunately, I can not share whole archive but only first 1024 bytes of
archive (hexdump is provided as attachment).
Kind regards,
Sasa Vilic
--
UBIMET GmbH - weather matters
Sasa Vilic • IT
A-1220 Wien • Donau-City-Straße 11 • svi...@ubimet.com • www.ubimet.com
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