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Diffstat (limited to 'raddb/mods-config/sql/ippool-dhcp/oracle/queries.conf')
| -rw-r--r-- | raddb/mods-config/sql/ippool-dhcp/oracle/queries.conf | 200 |
1 files changed, 200 insertions, 0 deletions
diff --git a/raddb/mods-config/sql/ippool-dhcp/oracle/queries.conf b/raddb/mods-config/sql/ippool-dhcp/oracle/queries.conf new file mode 100644 index 0000000..0fcffc3 --- /dev/null +++ b/raddb/mods-config/sql/ippool-dhcp/oracle/queries.conf @@ -0,0 +1,200 @@ +# -*- text -*- +# +# ippool-dhcp/oracle/queries.conf -- Oracle queries for rlm_sqlippool +# +# $Id$ + +start_begin = "commit" +alive_begin = "commit" +stop_begin = "commit" +on_begin = "commit" +off_begin = "commit" + + +# ***************** +# * DHCP DISCOVER * +# ***************** + +# +# Use a stored procedure to find AND allocate the address. Read and customise +# `procedure.sql` in this directory to determine the optimal configuration. +# Oracle's locking mechanism limitations prevents the use of single queries +# that can either find a client's existing address or the first available one. +# +allocate_begin = "" +allocate_find = "\ + SELECT fr_dhcp_allocate_previous_or_new_framedipaddress( \ + '%{control:${pool_name}}', \ + '%{DHCP-Gateway-IP-Address}', \ + '${pool_key}', \ + '${offer_duration}', \ + '%{%{${req_attribute_name}}:-0.0.0.0}' \ + ) FROM dual" +allocate_update = "" +allocate_commit = "" + + +# +# If you prefer to allocate a random IP address every time, use this query instead +# Note: This is very slow if you have a lot of free IPs. +# +#allocate_find = "\ +# SELECT framedipaddress FROM ${ippool_table} WHERE id IN ( \ +# SELECT id FROM ( \ +# SELECT * \ +# FROM ${ippool_table} \ +# JOIN dhcpstatus \ +# ON ${ippool_table}.status_id = dhcpstatus.status_id \ +# WHERE pool_name = '%{control:${pool_name}}' \ +# AND expiry_time < current_timestamp \ +# AND dhcpstatus.status = 'dynamic' \ +# ORDER BY DBMS_RANDOM.VALUE \ +# ) WHERE ROWNUM <= 1 \ +# ) FOR UPDATE" + +# +# The above query again, but with SKIP LOCKED. This requires Oracle > 11g. +# It may work in 9i and 10g, but is not documented, so YMMV. +# +#allocate_find = "\ +# SELECT framedipaddress FROM ${ippool_table} WHERE id IN ( \ +# SELECT id FROM (\ +# SELECT * \ +# FROM ${ippool_table} \ +# JOIN dhcpstatus \ +# ON ${ippool_table}.status_id = dhcpstatus.status_id \ +# WHERE pool_name = '%{control:${pool_name}}' \ +# AND expiry_time < current_timestamp \ +# AND dhcpstatus.status = 'dynamic' \ +# ORDER BY DBMS_RANDOM.VALUE \ +# ) WHERE ROWNUM <= 1 \ +# ) FOR UPDATE SKIP LOCKED" + +# +# A tidier version that needs Oracle >= 12c +# +#allocate_find = "\ +# SELECT framedipaddress FROM ${ippool_table} WHERE id IN ( +# SELECT id FROM ${ippool_table} \ +# JOIN dhcpstatus \ +# ON ${ippool_table}.status_id = dhcpstatus.status_id \ +# WHERE pool_name = '%{control:${pool_name}}' \ +# AND expiry_time < current_timestamp \ +# AND dhcpstatus.status = 'dynamic' \ +# ORDER BY DBMS_RANDOM.VALUE \ +# FETCH FIRST 1 ROWS ONLY +# ) FOR UPDATE SKIP LOCKED" + +# +# If an IP could not be allocated, check to see whether 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 (\ + SELECT id \ + FROM ${ippool_table} \ + WHERE pool_name='%{control:${pool_name}}'\ + ) \ + WHERE ROWNUM = 1" + +# +# This query marks the IP address handed out by "allocate-find" as used +# for the period of "offer_duration" after which time it may be reused. +# Only needed if allocate_find is not using the stored procedure and therefore +# not updating the lease +# +#allocate_update = "\ +# UPDATE ${ippool_table} \ +# SET \ +# gateway = '%{DHCP-Gateway-IP-Address}', \ +# pool_key = '${pool_key}', \ +# expiry_time = current_timestamp + INTERVAL '${offer_duration}' second(1) \ +# WHERE framedipaddress = '%I'" + + +# **************** +# * DHCP REQUEST * +# **************** + +# +# This query revokes any active offers for addresses that a client is not +# requesting when a DHCP REQUEST packet arrives +# +start_update = "\ + UPDATE ${ippool_table} \ + SET \ + gateway = '', \ + pool_key = '0', \ + expiry_time = current_timestamp - INTERVAL '1' second(1) \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND pool_key = '${pool_key}' \ + AND framedipaddress <> '%{DHCP-Requested-IP-Address}' \ + AND expiry_time > current_timestamp \ + AND ${ippool_table}.status_id IN \ + (SELECT status_id FROM dhcpstatus WHERE status = 'dynamic')" +start_commit = "COMMIT" + +# +# This query extends an existing lease (or offer) when a DHCP REQUEST packet +# arrives. This query must update a row when a lease is succesfully requested +# - queries that update no rows will result in a "notfound" response to +# the module which by default will give a DHCP-NAK reply. In this example +# incrementing "counter" is used to achieve this. +# +alive_update = "\ + UPDATE ${ippool_table} \ + SET \ + expiry_time = current_timestamp + INTERVAL '${lease_duration}' second(1), \ + counter = counter + 1 \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND pool_key = '${pool_key}' \ + AND framedipaddress = '%{%{DHCP-Requested-IP-Address}:-%{DHCP-Client-IP-Address}}'" +alive_commit = "COMMIT" + + +# **************** +# * DHCP RELEASE * +# **************** + +# +# This query frees an IP address when a DHCP RELEASE packet arrives +# +stop_clear = "\ + UPDATE ${ippool_table} \ + SET \ + gateway = '', \ + pool_key = '0', \ + expiry_time = current_timestamp - INTERVAL '1' second(1) \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND pool_key = '${pool_key}' \ + AND framedipaddress = '%{DHCP-Client-IP-Address}' \ + AND ${ippool_table}.status_id IN \ + (SELECT status_id FROM dhcpstatus WHERE status = 'dynamic')" +stop_commit = "COMMIT" + + +# +# This query is not applicable to DHCP +# +on_clear = "" + + +# **************** +# * DHCP DECLINE * +# **************** + +# +# This query marks an IP address as declined when a DHCP Decline +# packet arrives +# +off_clear = "\ + UPDATE ${ippool_table} \ + SET status_id = (SELECT status_id FROM dhcpstatus WHERE status = 'declined') \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND pool_key = '${pool_key}' \ + AND framedipaddress = '%{DHCP-Requested-IP-Address}'" +off_commit = "COMMIT" + |