forked from pool/openldap2
151 lines
4.3 KiB
Bash
151 lines
4.3 KiB
Bash
#!/bin/bash
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# This script has been created to update the OpenLDAP modules path in cn=config
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# For details of changing the configuration items' location read these:
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# https://www.openldap.org/lists/openldap-software/200812/msg00080.html
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# This script writes over the config entry of backend databases location, which files are necessary to run LDAP. The procedure has been created upon this description:
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# https://serverfault.com/questions/863274/modify-openldap-cn-config-without-slapd-running
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# Author: Zsolt KALMAR (SUSE Linux GmbH) zkalmar@suse.com
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# define variables
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conf_dir='/etc/openldap/slapd.d'
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if [ ! -d ${conf_dir} ] || [ ! -f ${conf_dir}/cn=config.ldif ]
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then
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exit 0
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fi
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tmp_file='/tmp/ldap_conf_tmp.ldif'
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backup='/tmp/slapd.d'
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res=0
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# common functions
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create_symlinks () {
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if [ ! -f /usr/lib/openldap/back_bdb.so ]; then ln -s /usr/lib64/openldap/back_bdb.so /usr/lib/openldap/back_bdb.so; fi
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if [ ! -f /usr/lib/openldap/back_hdb.so ]; then ln -s /usr/lib64/openldap/back_hdb.so /usr/lib/openldap/back_hdb.so; fi
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if [ ! -f /usr/lib/openldap/back_mdb.so ]; then ln -s /usr/lib64/openldap/back_mdb.so /usr/lib/openldap/back_mdb.so; fi
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if [ ! -f /usr/lib/openldap/syncprov.so ]; then ln -s /usr/lib64/openldap/syncprov.so /usr/lib/openldap/syncprov.so; fi
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#logger -p user.info "Update openLDAP: symlinks have been created."
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}
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cleanup () {
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rm -f /usr/lib/openldap/back_bdb.so
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rm -f /usr/lib/openldap/back_hdb.so
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rm -f /usr/lib/openldap/back_mdb.so
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rm -f /usr/lib/openldap/syncprov.so
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rm -f ${tmp_file}
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#logger -p user.info "Update openLDAP: symlinks have been removed."
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}
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rm -f ${tmp_file}
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# Check if the configuration is containing the inappropriate entry
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create_symlinks
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res=0
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if [ -f /usr/sbin/slapcat ]
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then
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/usr/sbin/slapcat -n0 -F ${conf_dir} -l ${tmp_file} -o ldif-wrap=no
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res=$?
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fi
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if [ $res -ne 0 ]
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then
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#logger -p user.error "LDAP Update script: Creating ${tmp_file} has failed during the search of faulty openLDAP entry."
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exit 1
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#else
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#logger -p user.info "LDAP Update script: ${tmp_file} has been created."
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fi
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entry_cnt=`cat ${tmp_file} | grep ^[^#\;] | grep olcModulePath | wc -l`
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if [ $entry_cnt -eq 0 ]
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then
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#logger -p user.info "LDAP Update script: The current LDAP configuration does not contain the wrong item. Stop applying this script. Bye."
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cleanup
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exit 0
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fi
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rm -rf ${tmp_file}
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# Make sure the LDAP is not running:
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/usr/bin/systemctl stop slapd.service
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#logger -p user.info "LDAP Update script: openLDAP has been stopped."
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# Creating symlinks for the modules required for the slapcat and slapadd
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create_symlinks
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# Export the config to a text
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res=0
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if [ -f /usr/sbin/slapcat ]
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then
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/usr/sbin/slapcat -n0 -F ${conf_dir} -l ${tmp_file} -o ldif-wrap=no
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res=$?
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fi
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if [ $res -ne 0 ]
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then
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#logger -p user.error "LDAP Update script: Creating ${tmp_file} has failed."
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cleanup
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exit 1
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fi
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# Create a backup of LDAP config
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mkdir ${backup}
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cp -r ${conf_dir}/* ${backup}/
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res=$?
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if [ $res -ne 0 ]
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then
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#logger -p user.error "LDAP Update script: Backing up ${conf_dir} has failed."
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exit 1
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#else
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#logger -p user.info "LDAP Update script: Back up has been created of openLDAP configuration."
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fi
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# Remove the configuration item "olcModulePath"
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sed -n -i '/olcModulePath/!p' ${tmp_file}
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res=$?
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if [ $res -ne 0 ]
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then
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#logger -p user.error "LDAP Update script: Removing of entry in ${tmp_file} has failed."
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exit 1
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#else
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#logger -p user.info "LDAP Update script: olcModulesPath entry has been removed."
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fi
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# Remove the current configuration
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rm -rf ${conf_dir}/*
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# Load the modified configuration
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/usr/sbin/slapadd -n0 -F ${conf_dir} -l ${tmp_file}
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res=$?
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# Catch result code of slapadd
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if [ $res -ne 0 ]
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then
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#logger -p user.error "LDAP Update script: Implementing new configuration has failed."
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exit 1
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else
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#logger -p user.info "LDAP Update script: Implementing new configuration has been succeeded."
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cleanup
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fi
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# Start the SLAPD with the new configuration
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/usr/bin/systemctl start slapd.service
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res=$?
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if [ $res -ne 0 ]
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then
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#logger -p user.error "LDAP Update script: Starting updated LDAP server has been failed."
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exit 1
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else
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#logger -p user.info "LDAP Update script: Updated LDAP server has been successfully started."
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# Remove backups
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rm -rf ${backup}
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rm -rf ${tmp_file}
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# Create "/var/adm/openldap_update_modules"
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touch /var/adm/openldap_update_modules
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exit 0
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fi
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