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FeministWiki:Server setup: Difference between revisions
→Breaking changes in OpenLDAP
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# On the new server, open {{C|/etc/ldap/schema/ppolicy.ldif}} and search for {{C|pwdMaxRecordedFailure}}. You will note that there is a {{C|olcAttributeTypes: ...}} entry that defines it, and also it's listed in the {{C|MAY}} attributes block of the {{C|olcObjectClasses: ...}} entry that defines the {{C|pwdPolicy}} object class. | # On the new server, open {{C|/etc/ldap/schema/ppolicy.ldif}} and search for {{C|pwdMaxRecordedFailure}}. You will note that there is a {{C|olcAttributeTypes: ...}} entry that defines it, and also it's listed in the {{C|MAY}} attributes block of the {{C|olcObjectClasses: ...}} entry that defines the {{C|pwdPolicy}} object class. | ||
# On the old server, save the output of {{C|slapcat -n 0}} to a file, open the file, and search for the block where the {{C|ppolicy}} schema is defined. It should start with the line {{C|dn: cn={4}ppolicy,cn=schema,cn=config}} (the {{C|{4}}} part might contain a different integer, that's OK). There, note that the {{C|olcAttributeTypes: ...}} entry for {{C|pwdMaxRecordedFailure}} is missing, and also it's not listed in the {{C|MAY}} list of the {{C|pwdPolicy}} object class definition. Copy over the attribute type definition from the {{C|ppolicy.ldif}} file on the new server, and amend the {{C|MAY}} list to include it. | # On the old server, save the output of {{C|slapcat -n 0}} to a file, open the file, and search for the block where the {{C|ppolicy}} schema is defined. It should start with the line {{C|<nowiki>dn: cn={4}ppolicy,cn=schema,cn=config</nowiki>}} (the {{C|<nowiki>{4}</nowiki>}} part might contain a different integer, that's OK). There, note that the {{C|olcAttributeTypes: ...}} entry for {{C|pwdMaxRecordedFailure}} is missing, and also it's not listed in the {{C|MAY}} list of the {{C|pwdPolicy}} object class definition. Copy over the attribute type definition from the {{C|ppolicy.ldif}} file on the new server, and amend the {{C|MAY}} list to include it. | ||
The above is explained only for instructive purposes, since this particular fix will already have been applied by the time someone reads this guide. It's meant to give you an idea as to how backwards incompatible changes in OpenLDAP schema files can be amended when migrating to a newer version. (Also, no such clear explanation of the fix seems to be found anywhere on the web, so maybe someone who searches the error message above will come upon this guide and be happy!) | The above is explained only for instructive purposes, since this particular fix will already have been applied by the time someone reads this guide. It's meant to give you an idea as to how backwards incompatible changes in OpenLDAP schema files can be amended when migrating to a newer version. (Also, no such clear explanation of the fix seems to be found anywhere on the web, so maybe someone who searches the error message above will come upon this guide and be happy!) | ||