Description of problem:

Selinux does not allow samba to change file owner of a shared file .

Version-Release number of selected component (if applicable):
selinux-policy-targeted-2.4.6-137.1.el5_2.noarch

How reproducible:

always

Steps to Reproduce:
1.setup samba server, share some files (selinux context root:object_r:samba_share_t)
2.add root to samba user db
3.try to change file ownership of some file: 
smbcacls //localhost/share some-file -Uroot%root-samba-password -C the-new-owner
  
Actual results:
smbcacls fails with these error messages:
NT_TRANSACT_SET_SECURITY_DESC failed
ERROR: secdesc set failed: NT_STATUS_ACCESS_DENIED

selinux logs
type=AVC msg=audit(1216995236.905:47291): avc:  denied  { chown } for  pid=9278
comm="smbd" capability=0 scontext=root:system_r:smbd_t:s0
tcontext=root:system_r:smbd_t:s0 tclass=capability
type=SYSCALL msg=audit(1216995236.905:47291): arch=14 syscall=181 success=no
exit=-1 a0=8511300 a1=343d a2=ffffffff a3=ffffffff items=0 ppid=8823 pid=9278
auid=0 uid=0 gid=0 euid=0 suid=0 fsuid=0 egid=0 sgid=0 fsgid=0 tty=(none)
ses=7736 comm="smbd" exe="/usr/sbin/smbd" subj=root:system_r:smbd_t:s0 key=(null)

owner of some-file stays the same

Expected results:
- changed owner of some-file
- no NT_* errors from smbcacls
- no denial from selinux