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Dear Colleagues:

I run a OSG Tier-3 here at the University of Mississippi. I am running xrootd on our Storage Element as multi-user because we are serving a few VOs, primarially CMS and BELLE (for the Belle II experiment). A week or 2 ago the CMS rucio team requested that I add the line “audience = https://wlcg.cern.ch/jwt/v1/any,umiss005.hep.olemiss.edu” to our scitokens.conf file. (umiss005.hep.olemiss.edu is the FQDN of out Storage Element). When someone uses a command like this they can read my files:
$export BEARER_TOKEN=$(oidc-token --scope=offline_access --scope=storage.read:/ --time=3600 test_dsanders)
However when they use a command like this it fails with a permissions error:
$export BEARER_TOKEN=$(oidc-token --aud=umiss005.hep.olemiss.edu --scope=offline_access --scope=storage.read:/ --time=3600 test_dsanders)

Please see the GGUS ticket: https://ggus.eu/index.php?mode=ticket_info&ticket_id=164957

Can you please give me some suggestions  about how to get the “audience” token working in xrootd. The part of my scitokens.conf file that should apply is:

[Issuer CMS_IAM]
issuer = https://cms-auth.web.cern.ch/
audience = https://wlcg.cern.ch/jwt/v1/any,umiss005.hep.olemiss.edu
###audience = https://wlcg.cern.ch/jwt/v1/any
base_path = /cms
map_subject = False
default_user = uscms01
###name_mapfile = /etc/xrootd/scitokens_mapfile_cms.json

Best regards,

David Sanders
 

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