Re: [squid-users] Syntax Correct group_ldap_auth ?

Henrik Nordstrom a écrit :

> The command line tool ldapsearch (part of OpenLDAP) is a good tool for
> experimenting with various LDAP Search filters.

If i use LdapSearch (part of OpenLDAP) on the squid proxy

=>ldapsearch -x -b "ou=public,ou=cicoa,o=cnamts,c=fr" cn=GR-I-CICOA -h hermes1.cicoa.cnamts.fr -p
389
=> Response :
version: 2

#
# filter: cn=GR-I-CICOA
# requesting: ALL
#

# GR-I-CICOA, public, cicoa, cnamts, fr
dn: cn=GR-I-CICOA,ou=public, ou=cicoa, o=cnamts, c=fr
objectclass: top
objectclass: groupOfUniqueNames
objectclass: mailGroup
cn: GR-I-CICOA
description: Groupe Internet du CICOA
mail: GR-I-CICOA@cicoa.cnamts.fr
uniquemember: uid=ROUTIER-00138, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=GUILLOTIN-00185,ou=Public,ou=cicoa, o=cnamts, c=fr
uniquemember: uid=LAUBAT-00170, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=HEMERY-00078, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=BENOIT-00048, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=BOUVIER-00056, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=ROSE-00053, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=OLIVAUX-00105, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=GALLOU-00502, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=INTERNET.CEIR-00001,ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=INTERNET.CNF-00001,ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=INTERNET.PROD-00001,ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=INTERNET.SIEGE-00001,ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=peyraud-00163,ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=GARCIA-00153,ou=Public,ou=cicoa, o=cnamts, c=fr
uniquemember: uid=CHARLUET-00035, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=BRAULT-00020, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=TUFFERY-00521,ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=SAULOU-00169, ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=assist.dir-00001,ou=public, ou=cicoa, o=cnamts, c=fr
uniquemember: uid=HOUILLOT-00728, ou=public, ou=cicoa, o=cnamts, c=fr

# search result
search: 2
result: 0 Success

# numResponses: 2
# numEntries: 1

>
> Regards
> Henrik
>
> tor 2002-11-07 klockan 19.01 skrev ROUTIER Gilles:
> > Thank you still Henrik,
> >
> > The authentification is well made because if I make a mistake about password, he asks me for a
> > piece of news to authenticate me.
> > On the other hand if the authentification is good, it sends back me " Acces Denied ".
> >
> > My Squid.conf
> > auth_param basic program /usr/lib/squid/squid_ldap_auth -u uid -b
> > ou=public,ou=cicoa,o=cnamts,c=fr -h hermes1.cicoa.cnamts.fr -p 389
> > auth_param basic children 5
> > auth_param basic realm Squid proxy-caching web serveruth_param basic program
> > auth_param basic credentialsttl 2 hours
> >
> > external_acl_type ldapgroup %LOGIN /usr/lib/squid/squid_ldap_group -b
> > "ou=public,ou=cicoa,o=cnamts,c=fr" -f "(&(cn=%v)(member=uid=%d,*)(objectClass=groupOfNames))"
> > -h hermes1.cicoa.cnamts.fr -p 389
> >
> > acl group_Internet external ldapgroup GR-I-CICOA
> > http_access allow group_Internet
> > http_access deny all
> >
> > My Acces.log
> > 1036690720.508 355 55.7.6.13 TCP_DENIED/407 1922 GET http://55.5.20.100/ sdfsdf NONE/-
> > text/html
> > 1036690727.644 801 55.7.6.13 TCP_DENIED/403 1466 GET http://55.5.20.100/ routier-00138
> > NONE/- text/html
> >
> > Henrik Nordstrom a écrit :
> >
> > > And why are you using group_ldap_auth? group_ldap_auth is not a
> > > external_cl helper, it is a helper to the "LDAP Group auth patch".
> > >
> > > The external_acl LDAP group helper is squid_ldap_group
> > >
> > > Regarding the group name: The best way to supply group names to
> > > squid_ldap_group is via the acl definition.
> > >
> > > external_acl_type ldapgroup %LOGIN /usr/lib/squid/squid_ldap_group -b
> > > "ou=public,ou=cicoa,o=cnamts,c=fr" -f
> > > (&(cn=%v)(member=uid=%d,*)(objectClass=groupOfNames))" -h
> > > hermes1.cicoa.cnamts.fr
> > >
> > > acl group_Internet ldapgroup Internet
> > >
> > > But to tell if the filter is correct you need to look at how your Group
> > > LDAP objects is constructed. This is best done with the ldapsearch
> > > command.
> > >
> > > Regards
> > > Henrik
> > >
> > > tor 2002-11-07 klockan 16.16 skrev ROUTIER Gilles:
> > > > Thanks Henrik.
> > > >
> > > > My browser asks me indeed for the authentification, but he sends back me "access denied"
> > > > while I make left well the Internet group.
> > > >
> > > > A question Henrik :
> > > > Where i define the name of the group in which to do the searchresearch ?
> > > > I want that only the users belonging to the internet group have access to the proxy.
> > > >
> > > > My squid.conf
> > > > auth_param basic program /usr/lib/squid/squid_ldap_auth -u uid -b
> > > > ou=public,ou=cicoa,o=cnamts,c=fr -h hermes1.cicoa.cnamts.fr -p 389
> > > > auth_param basic children 5
> > > > auth_param basic realm Squid proxy-caching web serveruth_param basic program
> > > > auth_param basic credentialsttl 2 hours
> > > >
> > > > external_acl_type ldapou %LOGIN /usr/lib/squid/group_ldap_auth -b
> > > > "ou=public,ou=cicoa,o=cnamts,c=fr" -f
> > > > "(&(cn=%v)(member=uid=%d,*)(objectClass=groupOfNames))" -h hermes1.cicoa.cnamts.fr -p 389
> > > >
> > > > acl ou_Testing external ldapou GR-I-CICOA
> > > > http_access allow ou_Testing
> > > > http_access deny all
> > > >
> > > > INFO : The really name of the group in my LDAP DB is GR-I-CICOA
> > > >
> > > > THANKS FOR ALL HENRIK !
> > > >
> > > > Henrik Nordstrom a écrit :
> > > >
> > > > > tor 2002-11-07 klockan 14.39 skrev ROUTIER Gilles:
> > > > >
> > > > > > I would like tu use group_ldap_auth
> > > > > > I have a group which names INTERNET, and I would want that only the persons of this
> > > > > > group can reach Proxy.
> > > > > > But, I do not know or to specify the name of the group ?
> > > > > > You can say to me if the syntax is correct?
> > > > >
> > > > > It depends on what your LDAP group objects looks like.
> > > > >
> > > > > > external_acl_type ldapou %LOGIN /usr/lib/squid/group_ldap_auth -b
> > > > > > "ou=public,ou=cicoa,o=cnamts,c=fr" -f "(&(cn=INTERNET)(uid=%v)(ou=%a))" -h
> > > > > > hermes1.cicoa.cnamts.fr -p 389
> > > > >
> > > > > Your filter does not look right. "(&(cn=%v)(uid=%v))" might work, but
> > > > > more likely the group filter you are after looks something like
> > > > > "(&(cn=%v)(member=uid=%d,*)(objectClass=groupOfNames))".
> > > > >
> > > > > What is the output of
> > > > >
> > > > > ldapsearch -x -b "ou=public,ou=cicoa,o=cnamts,c=fr" cn=INTERNET
> > > > >
> > > > > Regards
> > > > > Henrik Nordström
> > > > > MARA Systems AB, Sweden
Received on Thu Nov 07 2002 - 11:59:06 MST