Re: libarchive update SVN r299529 breaks "ezjail update"

From: Martin Matuska <mm_at_freebsd.org>
Date: Thu, 12 May 2016 17:54:18 +0200
  Looks like we have to remove line #174 from cpio/cpio.c:
cpio->extract_flags |= ARCHIVE_EXTRACT_SECURE_NOABSOLUTEPATHS;

This breaks traditional cpio behavior.

Quoting Martin Matuska <mm_at_freebsd.org>:

> Hi Michael, I have looked at the source and this is an intended  
> change in 3.2.0.
>
> An absolute path security check was added, cpio refuses to extract  
> or copy over absolute paths. To do this anyway the "--insecure" flag  
> must be used.
>
> Here is the commit:
> https://github.com/libarchive/libarchive/commit/59357157706d47c365b2227739e17daba3607526
>
> Quoting Michael Butler <imb_at_protected-networks.net>:
>
>> It seems that today's libarchive update breaks cpio's behaviour:
>>
>> sudo ezjail-admin update -i -s /usr/src
>>
>> [ .. ]
>>
>> cd /usr/src/etc/..; install -o root -g wheel -m 444  COPYRIGHT
>> /usr/local/jails/fulljail/
>> install -o root -g wheel -m 444
>> /usr/src/etc/../sys/i386/conf/GENERIC.hints
>> /usr/local/jails/fulljail/boot/device.hints
>> /usr/local/jails/basejail/bincpio: bin: Path is absolute: Unknown error: -1
>>
>> /usr/local/jails/basejail/bin/catcpio: bin/cat: Path is absolute:
>> Unknown error: -1
>>
>> /usr/local/jails/basejail/bin/chflagscpio: bin/chflags: Path is
>> absolute: Unknown error: -1
>>
>> /usr/local/jails/basejail/bin/chiocpio: bin/chio: Path is absolute:
>> Unknown error: -1
>>
>> /usr/local/jails/basejail/bin/chmodcpio: bin/chmod: Path is absolute:
>> Unknown error: -1
>>
>> /usr/local/jails/basejail/bin/cpcpio: bin/cp: Path is absolute: Unknown
>> error: -1
>>
>> /usr/local/jails/basejail/bin/datecpio: bin/date: Path is absolute:
>> Unknown error: -1
>>
>> /usr/local/jails/basejail/bin/ddcpio: bin/dd: Path is absolute: Unknown
>> error: -1
>>
>> /usr/local/jails/basejail/bin/dfcpio: bin/df: Path is absolute: Unknown
>> error: -1
>>
>> /usr/local/jails/basejail/bin/domainnamecpio: bin/domainname: Path is
>> absolute: Unknown error: -1
>> [ .. etc. .. ]
>
>
>
> -------------------------
> Martin Matuska
> FreeBSD committer
> http://blog.vx.sk
-- 
Martin Matuska
FreeBSD committer
http://blog.vx.sk
Received on Thu May 12 2016 - 13:54:20 UTC

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