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</o:shapelayout></xml><![endif]--></head><body lang=IT-CH link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'>Hello.<o:p></o:p></span></p><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'><o:p> </o:p></span></p><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'>I just solved myself this problem. It was my mistake with the filters.<o:p></o:p></span></p><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'>Here’s how it goes :<o:p></o:p></span></p><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'><o:p> </o:p></span></p><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'>/usr/lib64/squid/ext_ldap_group_acl -R -b "dc=my,dc=domain" -D "squid@my.domain" -W /etc/squid/ldappass.txt -f "(&(sAMAccountName=%u)(memberof:1.2.840.113556.1.4.1941:=CN=%g,DC=my,dc=domain)(objectClass=user))" -h mydc.my.domain<o:p></o:p></span></p><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'><o:p> </o:p></span></p><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'>That ‘:1.2.840.113556.1.4.1941:’ will cause a recursive lookup until it finds a user. Useful when the user is not directly member of that group, but is member of a group that is member of that group.<o:p></o:p></span></p><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'><o:p> </o:p></span></p><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'>Best regards.<o:p></o:p></span></p><p class=MsoNormal><span lang=FR-CH style='color:#1F497D;mso-fareast-language:IT-CH'>Robi</span><span style='color:#1F497D;mso-fareast-language:IT-CH'><o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=IT style='mso-fareast-language:IT-CH'>Da:</span></b><span lang=IT style='mso-fareast-language:IT-CH'> squid-users <squid-users-bounces@lists.squid-cache.org> <b>Per conto di </b>Roberto Nunnari<br><b>Inviato:</b> luned́, 10 agosto 2020 10:41<br><b>A:</b> squid-users@lists.squid-cache.org<br><b>Oggetto:</b> [squid-users] ext_ldap_group_acl<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hello.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m setting up squid on a CentOS 8 server.<o:p></o:p></p><p class=MsoNormal>Authentication against active directory works well with basic_ldap_auth, but I fail when trying to check that a user belongs to a group.<o:p></o:p></p><p class=MsoNormal>It seems to me that for ext_ldap_group_acl it’s enough that both the user and the group exist and it returns OK. It returns ERR when it cannot find the group or the user.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>To make it more clear, here are the queries and results I get.<o:p></o:p></p><p class=MsoNormal>user1.test exists and is a member of group My_Group<o:p></o:p></p><p class=MsoNormal>user2.test exists and is NOT a member of group My_Group<o:p></o:p></p><p class=MsoNormal>Group asdf does NOT exist<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>So, I expect that when asking for<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>user1.test My_Group >> OK<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>user2.test My_Group >> ERR<o:p></o:p></p><p class=MsoNormal>But I get:<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>user1.test My_Group >> OK<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-18.0pt;mso-list:l0 level1 lfo2'><![if !supportLists]><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span><![endif]>user2.test My_Group >> OK<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here it is:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal># /usr/lib64/squid/ext_ldap_group_acl -d -R -b "dc=my,dc=domain" -D "<a href="mailto:squid@my.domain">squid@my.domain</a>" -W /etc/squid/ldappass.txt -F "(sAMAccountName=%s)" -f "(memberof=CN=%g,DC=my,DC=domain)" -h sv-102-dc.my.domain<o:p></o:p></p><p class=MsoNormal>user1.test asdf<o:p></o:p></p><p class=MsoNormal>ext_ldap_group_acl.cc(589): pid=194302 :Connected OK<o:p></o:p></p><p class=MsoNormal>ext_ldap_group_acl.cc(772): pid=194302 :user filter '(sAMAccountName=user1.test)', searchbase 'dc=my,dc=domain'<o:p></o:p></p><p class=MsoNormal>ext_ldap_group_acl.cc(736): pid=194302 :group filter '(memberof=CN=asdf,DC=my,DC=domain)', searchbase 'dc=my,dc=domain'<o:p></o:p></p><p class=MsoNormal>ERR<o:p></o:p></p><p class=MsoNormal>user1.test My_Group<o:p></o:p></p><p class=MsoNormal>ext_ldap_group_acl.cc(589): pid=194302 :Connected OK<o:p></o:p></p><p class=MsoNormal>ext_ldap_group_acl.cc(772): pid=194302 :user filter '(sAMAccountName=user1.test)', searchbase 'dc=my,dc=domain'<o:p></o:p></p><p class=MsoNormal>ext_ldap_group_acl.cc(736): pid=194302 :group filter '(memberof=CN=My_Group, DC=my,DC=domain)', searchbase 'dc=my,DC=domain'<o:p></o:p></p><p class=MsoNormal>OK<o:p></o:p></p><p class=MsoNormal>user2.test My_Group<o:p></o:p></p><p class=MsoNormal>ext_ldap_group_acl.cc(589): pid=194302 :Connected OK<o:p></o:p></p><p class=MsoNormal>ext_ldap_group_acl.cc(772): pid=194302 :user filter '(sAMAccountName=user2.test)', searchbase 'dc=my,dc=domain'<o:p></o:p></p><p class=MsoNormal>ext_ldap_group_acl.cc(736): pid=194302 :group filter '(memberof=CN=My_Group, DC=my,DC=domain)', searchbase 'dc=my,DC=domain'<o:p></o:p></p><p class=MsoNormal>OK<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My env:<o:p></o:p></p><p class=MsoNormal># uname -rms<o:p></o:p></p><p class=MsoNormal>Linux 4.18.0-193.14.2.el8_2.x86_64 x86_64<o:p></o:p></p><p class=MsoNormal># rpm -qa | grep squid<o:p></o:p></p><p class=MsoNormal>squid-4.4-8.module_el8.2.0+319+d18e041f.1.x86_64<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Could any kind soul help me out?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thank you and best regards.<o:p></o:p></p><p class=MsoNormal>Robi<o:p></o:p></p></div></body></html>