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> On 2010/06/15 17:05, Sean Bruno wrote:
> > On Tue, 2010-06-15 at 17:10 -0500, Sean Bruno wrote:
> >> http://svn.freebsd.org/viewvc/base?limit_changes=0&view=revision&revision=208361
> >>
> >> I'm not sure what's up with this update, but it hosed up the default
> >> behavior of cpio.
> >>
> >> It appears now that -o won't do the same things that it used to:
> >>
> >> + cd /
> >> + find -x .
> >> + egrep -v '^\.(/snap|/usr/sup|/boot/kernel/kernel
> >> \.[[:alpha:]_]+\.[[:digit:]]+|/boot/kernel/kernel
> >> \.old|/etc/start_if.*|/etc/ssh/ssh_host_.*key|/etc/hostid|/etc/(master.passwd|passwd|spwd.db|pwd.db))'
> >> + '[' -n '' ']'
> >> + '[' 7 = 4 ']'
> >> + '[' -n '' -a -z '' ']'
> >> + '[' -n /home/backup ']'
> >> + echo 'dumping / ...'
> >> dumping / ...
> >> + cpio -o --quiet --format crc -O /home/backup/root.amd64.cpio
> >> cpio: ./dev not dumped: minor number would be truncated
> >> cpio: Removing leading `/' from member names
> >> cpio: ./proc not dumped: minor number would be truncated
> >> cpio: Removing leading `../' from member names
> >>
> >> We've had to revert this change from our local tree, suggestions?
> >>
> >> Sean
> >
> >
> > A little more background. It looks like symlinks are getting stripped
> > of their '/' which sucks. Ideas?
> >
> > Sean
> >
> > e.g. /home/foo/bar -> /opt/baz/blob
> >
> > becomes
> >
> > home/foo/bar -> opt/baz/blob
> >
> > Yuck.
>
> This is a security measurement I think.
>
> - --absolute-filenames disables this behavior.
A similar 'security feature' was introduced sometime ago, wich 'silently'
broke firefox instalation , it refused to allow symlinks in destination
directory, of course the error was ignored by 'make install' so it took
some time later to find out that nothing was installed - my /usr/local is
symlinked. The solution was to 'fix' cpio to behave as before, since adding
the ignore-symlinks feature to firefox's makefile was beyond me :-)
danny
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