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Hi Wei,

Could you set the envar XrdSecDEBUG to 1 and see what it says it is doing?

Andy

On Fri, 9 May 2014, Yang, Wei wrote:

> i was testing ÿÿsssÿÿ with the new client. While the new client works with ÿÿsssÿÿ (other than the issue that login name is changed after redirection). But it doesnÿÿt like enforce ÿÿsssÿÿ only by setting environment variable XrdSecPROTOCOL to ÿÿsss". The old client doesnÿÿt have this issue. Here is my test:
>
> $ unset XrdSecPROTOCOL
> $ /afs/slac/package/xrootd/githead/amd64_rhel60/src/XrdCl/xrdcopy -f root://atlxrd001//atlas/xrootd/usr/y/yangw/z2.junk /dev/null
> sec_Client: protocol request for host atlxrd001 token='&P=sss,0.13:&P=unixÿÿ'
> sec_PM: Loading sss protocol object from libXrdSecsss.so
> sec_sss: Client keytab='/u/sf/yangw/.xrd/sss.keytab'
> sec_PM: Using sss protocol, args='0.13:'
> sec_sss: Ret 151 bytes of credentials; k=4
> sec_Client: protocol request for host atlxrd001 token='&P=unixÿÿ'
> sec_PM: Loading unix protocol object from libXrdSecunix.so
> sec_PM: Using unix protocol, args=''
> [2.138GB/2.138GB][100%][==================================================][729.8MB/s]
>
> $ export XrdSecPROTOCOL=unix
> $ /afs/slac/package/xrootd/githead/amd64_rhel60/src/XrdCl/xrdcopy -f root://atlxrd001//atlas/xrootd/usr/y/yangw/z2.junk /dev/null
> sec_Client: protocol request for host atlxrd001 token='&P=sss,0.13:&P=unix??'
> sec_PM: Skipping sss only want unix
> sec_PM: Loading unix protocol object from libXrdSecunix.so
> sec_PM: Using unix protocol, args=''
> [2.138GB/2.138GB][100%][==================================================][729.8MB/s]
>
> $ export XrdSecPROTOCOL=sss
> $ /afs/slac/package/xrootd/githead/amd64_rhel60/src/XrdCl/xrdcopy -f root://atlxrd001//atlas/xrootd/usr/y/yangw/z2.junk /dev/null
> sec_Client: protocol request for host atlxrd001 token='&P=sss,0.13:&P=unix`+'
> sec_PM: Loading sss protocol object from libXrdSecsss.so
> sec_sss: Client keytab='/u/sf/yangw/.xrd/sss.keytab'
> sec_PM: Using sss protocol, args='0.13:'
> sec_sss: Ret 151 bytes of credentials; k=4
> sec_Client: protocol request for host atlxrd001 token='&P=unix`+'
> sec_PM: Skipping unix only want sss
> XrdSec: No authentication protocols are available.
> [0B/0B][100%][==================================================][0B/s]
> Run: [FATAL] Auth failed
>
> $ /afs/slac/package/xrootd/githead/amd64_rhel60/src/xrdcp-old -f root://atlxrd001//atlas/xrootd/usr/y/yangw/z2.junk /dev/null
> sec_Client: protocol request for host atlxrd001.slac.stanford.edu token='&P=sss,0.13:&P=unix'
> sec_PM: Loading sss protocol object from libXrdSecsss.so
> sec_sss: Client keytab='/u/sf/yangw/.xrd/sss.keytab'
> sec_PM: Using sss protocol, args='0.13:'
> sec_sss: Ret 151 bytes of credentials; k=4
> [xrootd] Total 2189.53 MB	|====================| 100.00 % [712.3 MB/s]
>
>
> Wei Yang  |  [log in to unmask]  |  1-650-926-3338
>
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