# -*- text -*- # # ippool-dhcp/mysql/queries.conf -- MySQL queries for rlm_sqlippool # # $Id: 859d90a17d5ccb69107be1e11d86f910c8a6fee9 $ # # This series of queries allocates an IP address # #allocate_clear = "\ # UPDATE ${ippool_table} \ # SET \ # nasipaddress = '', \ # pool_key = 0, \ # callingstationid = '', \ # username = '', \ # expiry_time = NOW() \ # WHERE pool_key = '${pool_key}'" # # This series of queries allocates an IP address # (Note: If your pool_key is set to Calling-Station-Id and not NAS-Port # then you may wish to delete the "AND nasipaddress = '%{Nas-IP-Address}' # from the WHERE clause) # allocate_clear = "\ UPDATE ${ippool_table} \ SET \ nasipaddress = '', \ pool_key = 0, \ callingstationid = '', \ username = '', \ expiry_time = NOW() \ WHERE expiry_time <= NOW() - INTERVAL 1 SECOND \ AND nasipaddress = '%{Nas-IP-Address}'" # # Search for the SAME Calling-Station-ID as last time, OR an entry # where there is no Calling-Station-Id. # # If the lease was expired, the allocate_clear above will reset the # Calling-Station-Id to ''. # # If the lease wasn't expired, we want to give the user the same IP # as last time. # # Then, we order by expiry_time, so that when there is no existing # entry for the Calling-Station-Id, it picks the OLDEST expired IP. # allocate_find = "\ SELECT framedipaddress \ FROM ${ippool_table} \ WHERE pool_name = '%{control:${pool_name}}' \ AND (callingstationid = '%{Calling-Station-Id}' or callingstationid = '') \ ORDER BY \ (callingstationid <> '%{Calling-Station-Id}'), \ expiry_time \ LIMIT 1 \ FOR UPDATE" # # If you prefer to allocate a random IP address every time, use this query instead # #allocate_find = "\ # SELECT framedipaddress \ # FROM ${ippool_table} \ # WHERE pool_name = '%{control:${pool_name}}' \ # AND expiry_time < NOW() \ # ORDER BY RAND() \ # LIMIT 1 \ # FOR UPDATE" # # If an IP could not be allocated, check to see if the pool exists or not # This allows the module to differentiate between a full pool and no pool # Note: If you are not running redundant pool modules this query may be # commented out to save running this query every time an ip is not allocated. # pool_check = "\ SELECT id \ FROM ${ippool_table} \ WHERE pool_name='%{control:${pool_name}}' \ LIMIT 1" # # This is the final IP Allocation query, which saves the allocated ip details # allocate_update = "\ UPDATE ${ippool_table} \ SET \ nasipaddress = '%{NAS-IP-Address}', \ pool_key = '${pool_key}', \ callingstationid = '%{Calling-Station-Id}', \ username = '%{User-Name}', \ expiry_time = NOW() + INTERVAL ${lease_duration} SECOND \ WHERE framedipaddress = '%I'" # # This series of queries frees an IP number when an accounting # START record arrives # start_update = "\ UPDATE ${ippool_table} \ SET \ expiry_time = NOW() + INTERVAL ${lease_duration} SECOND \ WHERE nasipaddress = '%{NAS-IP-Address}' \ AND pool_key = '${pool_key}' \ AND username = '%{User-Name}' \ AND callingstationid = '%{Calling-Station-Id}' \ AND framedipaddress = '%{Framed-IP-Address}'" # # This series of queries frees an IP number when an accounting # STOP record arrives # stop_clear = "UPDATE ${ippool_table} \ SET \ nasipaddress = '', \ pool_key = 0, \ callingstationid = '', \ username = '', \ expiry_time = NOW() \ WHERE nasipaddress = '%{Nas-IP-Address}' \ AND pool_key = '${pool_key}' \ AND username = '%{User-Name}' \ AND callingstationid = '%{Calling-Station-Id}' \ AND framedipaddress = '%{Framed-IP-Address}'" # # This series of queries frees an IP number when an accounting # ALIVE record arrives # alive_update = "\ UPDATE ${ippool_table} \ SET \ expiry_time = NOW() + INTERVAL ${lease_duration} SECOND \ WHERE nasipaddress = '%{Nas-IP-Address}' \ AND pool_key = '${pool_key}' \ AND username = '%{User-Name}' \ AND callingstationid = '%{Calling-Station-Id}' \ AND framedipaddress = '%{Framed-IP-Address}'" # # This series of queries frees the IP numbers allocate to a # NAS when an accounting ON record arrives # on_clear = "\ UPDATE ${ippool_table} \ SET \ nasipaddress = '', \ pool_key = 0, \ callingstationid = '', \ username = '', \ expiry_time = NOW() \ WHERE nasipaddress = '%{Nas-IP-Address}'" # # This series of queries frees the IP numbers allocate to a # NAS when an accounting OFF record arrives # off_clear = "\ UPDATE ${ippool_table} \ SET \ nasipaddress = '', \ pool_key = 0, \ callingstationid = '', \ username = '', \ expiry_time = NOW() \ WHERE nasipaddress = '%{Nas-IP-Address}'"