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VOMSDIR(5)   VOMSDIR(5)

vomsdir - The structure of the vomsdir VOMS server trust anchor directory

/etc/grid-security/vomsdir

This manual page describes the structure of the vomsdir VOMS server trust anchor directory. The function of this directory is to keep local information about trusted VOMS servers which is used to verify the signatures on the attributes issued by VOMS servers.

The vomsdir directory is structured as follows:

<vomsdir>


   |


   |--vo1


   |


   |--vo2


   |


   |--vo3


   |

A subdirectory is created for each of the trusted VOs. Inside each VO directory two types of files can be found:

• LSC files An LSC file contains a description of the certificate chain of the certificate used by a VOMS server to sign VOMS attributes.

• X509 certificates The certificate used by a VOMS server to sign attributes.

These files are commonly named using the following pattern:

<hostname>.lsc
<hostname>.pem

Where hostname is the host where the VOMS server is running.

When both lsc and pem files are present for a given VO and hostname, the lsc file takes precedence.

The LSC file contains a list of X.509 subject strings, one on each line, encoded in OpenSSL slash-separated syntax, describing the certificate chain (up and including the CA that issued the certificate). For instance, the voms.cnaf.infn.it VOMS server has the following LSC file:

/C=IT/O=INFN/OU=Host/L=CNAF/CN=voms.cnaf.infn.it
/C=IT/O=INFN/CN=INFN CA

Assuming locally two VOs are trusted, the cms VO and the cdf VO, the /etc/grid-security/vomsdir directory will be structured as follows:

/etc/grid-security/vomsdir
/etc/grid-security/vomsdir/cms
/etc/grid-security/vomsdir/cdf

The /etc/grid-security/vomsdir/cms directory will contain the following files:

lcg-voms.cern.ch.lsc
voms.cern.ch.lsc

The /etc/grid-security/vomsdir/cdf directory will contain the following files:

voms-01.pd.infn.it.lsc
voms.cnaf.infn.it.lsc
voms.fnal.gov.lsc

The LSC files will contain descriptions of the certificate chains used by VOMS servers to sign attribute certificates.

To report bugs or ask for support, use GGUS: https://ggus.eu/pages/home.php

Andrea Ceccanti <andrea.ceccanti@cnaf.infn.it>

Daniele Andreotti <daniele.andreotti@cnaf.infn.it>

Valerio Venturi <valerio.venturi@cnaf.infn.it>

voms-proxy-destroy(1), voms-proxy-info(1), voms-lsc(5)

Copyright 2012 Istituto Nazionale di Fisica Nucleare

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

11/20/2012