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[fix] Save LDAP database when switching to MDB (bugfix #169)
As Wheezy is not supported anymore by next YunoHost releases, the slapd.conf now comes with MDB as backend. The LDAP database is also saved before switching to MDB backend and imported after the configuration re-generation to prevent data loss.
This commit is contained in:
Jérôme Lebleu
parent
141d704a04
commit
a5568311db
2 changed files with 57 additions and 53 deletions
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@ -24,29 +24,47 @@ cd /usr/share/yunohost/templates/slapd
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|| sudo yunohost service saferemove -s slapd \
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/etc/ldap/slapd-yuno.conf
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# Retrieve current backend
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backend=$(sudo slapcat -n 0 | sed -n 's/^dn: olcDatabase={1}\(.*\),cn=config$/\1/p')
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# Save current database in case of a backend change
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BACKEND_CHANGE=0
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BACKUP_DIR="/var/backups/dc=yunohost,dc=org-${backend}-$(date +%s)"
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if [[ "$backend" != "mdb" && "$force" == "True" ]]; then
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BACKEND_CHANGE=1
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sudo mkdir -p "$BACKUP_DIR"
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sudo slapcat -b dc=yunohost,dc=org \
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-l "${BACKUP_DIR}/dc=yunohost-dc=org.ldif"
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fi
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safe_copy sudo.schema /etc/ldap/schema/sudo.schema
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safe_copy mailserver.schema /etc/ldap/schema/mailserver.schema
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safe_copy ldap.conf /etc/ldap/ldap.conf
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safe_copy slapd.default /etc/default/slapd
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# Compatibility: change from HDB to MDB on Jessie
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version=$(sed 's/\..*//' /etc/debian_version)
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if [[ "$version" == '8' ]]; then
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cat slapd.conf \
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| sed "s/hdb$/mdb/g" \
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| sed "s/back_hdb/back_mdb/g" \
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| sed "s/^dbconfig set_/#dbconfig set_/g" \
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| sudo tee slapd.conf
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fi
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safe_copy slapd.conf /etc/ldap/slapd.conf
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# Fix some permissions
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sudo chown root:openldap /etc/ldap/slapd.conf
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sudo rm -Rf /etc/ldap/slapd.d
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sudo mkdir /etc/ldap/slapd.d
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sudo chown -R openldap:openldap /etc/ldap/schema/
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sudo chown -R openldap:openldap /etc/ldap/slapd.d/
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sudo slaptest -f /etc/ldap/slapd.conf -F /etc/ldap/slapd.d/ 2>&1
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sudo chown -R openldap:openldap /etc/ldap/slapd.d/
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if [[ $BACKEND_CHANGE -eq 1 ]]; then
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# Regenerate LDAP configuration and import database as root
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# since the admin user may be unavailable
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sudo sh -c "rm -Rf /etc/ldap/slapd.d;
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mkdir /etc/ldap/slapd.d;
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slaptest -f /etc/ldap/slapd.conf -F /etc/ldap/slapd.d;
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chown -R openldap:openldap /etc/ldap/slapd.d;
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slapadd -F /etc/ldap/slapd.d -b dc=yunohost,dc=org \
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-l '${BACKUP_DIR}/dc=yunohost-dc=org.ldif';
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chown -R openldap:openldap /var/lib/ldap" 2>&1
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else
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# Regenerate LDAP configuration from slapd.conf if it is valid
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sudo slaptest -u -f /etc/ldap/slapd.conf -F /etc/ldap/slapd.d/ \
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&& (sudo rm -Rf /etc/ldap/slapd.d \
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&& sudo mkdir /etc/ldap/slapd.d \
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&& sudo slaptest -f /etc/ldap/slapd.conf -F /etc/ldap/slapd.d/ 2>&1)
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sudo chown -R openldap:openldap /etc/ldap/slapd.d/
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fi
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sudo service slapd force-reload
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@ -22,14 +22,15 @@ pidfile /var/run/slapd/slapd.pid
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# List of arguments that were passed to the server
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argsfile /var/run/slapd/slapd.args
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password-hash {SSHA}
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# Read slapd.conf(5) for possible values
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loglevel 256
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loglevel none
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# Hashes to be used in generation of user passwords
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password-hash {SSHA}
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# Where the dynamically loaded modules are stored
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modulepath /usr/lib/ldap
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moduleload back_hdb
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moduleload back_mdb
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moduleload memberof
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# The maximum number of entries that is returned for a search operation
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@ -40,26 +41,25 @@ sizelimit 500
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tool-threads 1
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#######################################################################
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# Specific Backend Directives for hdb:
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# Specific Backend Directives for mdb:
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# Backend specific directives apply to this backend until another
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# 'backend' directive occurs
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backend hdb
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backend mdb
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#######################################################################
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# Specific Backend Directives for 'other':
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# Backend specific directives apply to this backend until another
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# 'backend' directive occurs
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#backend <other>
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#######################################################################
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# Specific Directives for database #1, of type hdb:
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# Specific Directives for database #1, of type mdb:
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# Database specific directives apply to this databasse until another
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# 'database' directive occurs
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database hdb
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database mdb
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# The base of your directory in database #1
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suffix "dc=yunohost,dc=org"
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# rootdn directive for specifying a superuser on the database. This is needed
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# for syncrepl.
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# rootdn "cn=admin,dc=yunohost,dc=org"
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# Where the database file are physically stored for database #1
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directory "/var/lib/ldap"
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# The dbconfig settings are used to generate a DB_CONFIG file the first
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@ -67,10 +67,6 @@ directory "/var/lib/ldap"
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# file. You should therefore change these settings in DB_CONFIG directly
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# or remove DB_CONFIG and restart slapd for changes to take effect.
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# For the Debian package we use 2MB as default but be sure to update this
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# value if you have plenty of RAM
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dbconfig set_cachesize 0 2097152 0
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# Sven Hartge reported that he had to set this value incredibly high
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# to get slapd running at all. See http://bugs.debian.org/303057 for more
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# information.
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@ -94,26 +90,25 @@ lastmod on
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# failure and to speed slapd shutdown.
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checkpoint 512 30
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# Where to store the replica logs for database #1
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# replogfile /var/lib/ldap/replog
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# The userPassword by default can be changed
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# by the entry owning it if they are authenticated.
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# Others should not be able to see it, except the
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# admin entry below
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# These access lines apply to database #1 only
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access to attrs=userPassword
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access to attrs=userPassword,shadowLastChange
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by dn="cn=admin,dc=yunohost,dc=org" write
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by anonymous auth
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by self write
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by * none
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# Personnal information can be changed by the entry
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# owning it if they are authenticated.
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# Others should be able to see it.
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access to attrs=cn,gecos,givenName,mail,maildrop,displayName,sn
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by dn="cn=admin,dc=yunohost,dc=org" write
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by self write
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by * read
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# Ensure read access to the base for things like
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# supportedSASLMechanisms. Without this you may
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# have problems with SASL not knowing what
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@ -131,12 +126,3 @@ access to *
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by dn="cn=admin,dc=yunohost,dc=org" write
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by group/groupOfNames/Member="cn=admin,ou=groups,dc=yunohost,dc=org" write
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by * read
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#######################################################################
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# Specific Directives for database #2, of type 'other' (can be hdb too):
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# Database specific directives apply to this databasse until another
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# 'database' directive occurs
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#database <other>
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# The base of your directory for database #2
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#suffix "dc=debian,dc=org"
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