Ian Smith wrote:
On Sat, 4 Oct 2008, Redd Vinylene wrote:
> On Sat, Oct 4, 2008 at 9:22 PM, George Hartzell <[EMAIL PROTECTED]> wrote:
> > Redd Vinylene writes:
> > > On Sat, Oct 4, 2008 at 9:02 PM, George Hartzell <[EMAIL PROTECTED]>
wrote:
> > > >
> > > > If you do an ls -lo /home/jail/box/usr/bin/chpass, you'll probably see
> > > > the schg flag set. Man chflags for more info and instructions on how
> > > > to unset it
> > > >
> > > > g.
> > > >
> > >
> > > Yes:
> > >
> > > -r-sr-xr-x 6 root wheel schg 18468 Aug 2 19:47
/usr/jail/box/usr/bin/chpass
> > >
> > > So I'd simply have to "chflags noschg /usr/jail/box/usr/bin/chpass"
> > > and then "cp /usr/jail/box/usr/bin/chpass
> > > /home/jail/box/usr/bin/chpass"?
> >
> > I think that you ought to be able to cp it as is. You're just not
> > allowed to change the original (e.g. remove it), which is why your mv
> > and rm failed.
> >
> > g.
> >
>
> I've been told that changing flags might seriously mess things up. Is
> there any way to copy the remaining files from /usr/jail into
> /home/jail, or do I have to rebuild everything from scratch?
Having read the thread to date, I reckon you should:
a) find(1) all schg files in your jails (was chpass the only one?)
b) clear the schg flag on any such found as above (-R if you like)
c) use mv as you originally intended (if they're still there :)
d) chflags schg on all files that were originally set that way.
If you do use cp instead of mv, make sure to use cp -p to preserve
each file's owner/group/permissions/datestamp.
e) make sure any and all symlinks still point to the right file/s.
Personally I'd use cp -pR rather than mv in case I stuffed it up :) but
then being perhaps overcautious I'd have started off with a 'ls -lR
/usr/jail > listfile' (if I hadn't made a backup tar) to at least have a
full list of what was where, with what user/perms etc ..
Also read cp(1) re -R flag carefully .. if there are any hard linked
files, as there may well be, then using tar to move these would be
the safest bet anyway - plus you'd have a backup .. next time anyway :)
Since it just failed to mv some files, you shouldn't need to rebuild if
you can mv those files and reset their flags/permissions correctly.
Yes, there are hardlinks, so "the best" way to move all files with
preserving flags, permissions, links etc is something like this:
[copy jails by tar (or use cpio if you prefer)]
tar -cf - -C /usr/jail . | tar -xpf - -C /home/jail
[remove flags from old jail files]
chflags -R noschg /usr/jail
[remove old jail files]
rm -r /usr/jail
But it applies only in case before you use chflags -R noschg on original
files (as you post earlier - now you do not have flags anymore)
Another way is to use getfacl/setfacl or mtree to get backup of original
files permissions and restore them later.
Miroslav Lachman
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