FW: samba woes

Jeremy Allison jra at samba.org
Wed Jun 26 10:53:03 GMT 2002

On Wed, Jun 26, 2002 at 01:43:54PM -0400, Johnston, Christopher (DCSA) wrote:
> Quote from Redhat:
> Hi, I have an update on your issue!
> A direct quote from engineering on your issue:
> " As I understand it, smbsh can not work on the recent glibc versions as they no longer support the LD_PRELOAD features (hacks? :) smbsh employs. On non linux unix variants smbsh will still work in
> general (they dont after all use glibc). The LD_PRELOAD user space fs simply wont work on recent glibc versions alas, LD_PRELOAD itself certainly still works.
> " It\'s the \"back door\" symbols _open, _read, _write which allows smbsh to wrap around the normal file calls, possibly redirect them to smb, and then call the actual C library function using the
> underscore functions. 
> The GNU C library maintainers have decided to remove support for these symbols in glibc 2.1and forward.
> " So, overall maybe this is the good reason of why we do not have smbwrapper/smbsh shipped :-)
> " I would use autofs, to do the same functionality. You\'d need a program that uses libsmb (or just calls smbclient) to retrieve the browse list, and reformats it into an autofs map."
> Jp Robinson
> I am just trying to gather some thoughts here to see if anybody has has experiene with an issue like this.. this may not be a samba thing but a GLIBC issue.. any ides? suggestions on what to work on
> next?

Yes, I'm pretty sure this is a glibc issue. I'm not sure
why (for what technical reason) the GLIBC maintainers
decided to do this, as it breaks all user level filesystems
that depend on the same trick that smbsh uses.

It seems like we can only support smbsh on libc systems
which support this, that does not include Linux at this


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