Re: Fixfiles confused by bad filenames

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On Fri, 2010-01-29 at 10:29 -0500, Stephen Smalley wrote:
> On Fri, 2010-01-29 at 12:38 +0000, Moray Henderson wrote:
> > Fixfiles in selinux-policy-targeted-2.4.6-255.el5_4.3.noarch cannot cope
> > with a cr/lf sequence occurring in a file name.  I'm not sure I can
> > either, come to that, but one of my users somehow managed to create
> > himself a file with the MS-DOS line termination sequence embedded in its
> > name.  The directory tree needed a relabel, and fixfiles threw lstat
> > errors when it hit that file.  
> > 
> > The file was called
> > __history/Ict.Petra.Client.MCommon??.UC_PartnerAddresses.Logic.pas.~1~
> > (with the double-question mark being the offending characters) and
> > fixfiles complained
> > 
> > lstat(__history/Ict.Petra.Client.MCommon^M) failed: No such file or
> > directory
> > lstat(.UC_PartnerAddresses.Logic.pas.~1~) failed: No such file or
> > directory
> > lstat(__history/Ict.Petra.Client.MCommon^M) failed: No such file or
> > directory
> > lstat(.UC_PartnerAddresses.Logic.pas.~1~) failed: No such file or
> > directory
> > 
> > It's probably a bug, but whether it's in fixfiles or in my user is
> > harder to determine.
> 
> Bug in the fixfiles script; it runs find with a set of expressions and
> feeds the output to restorecon.  Dan, can we just directly invoke
> restorecon these days since it internally detects mounts that do not
> support seclabel and skips them?

Oh, wait - I missed the fact that this was on RHEL5.
Looking more closely I see that modern /sbin/fixfiles passes -print0 to
find and -0 to restorecon to avoid problems with whitespace in the
filenames.  Maybe RHEL5 doesn't have that change?

-- 
Stephen Smalley
National Security Agency

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