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Diffstat (limited to 'raddb/mods-config/sql/ippool-dhcp/mysql/queries.conf')
| -rw-r--r-- | raddb/mods-config/sql/ippool-dhcp/mysql/queries.conf | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/raddb/mods-config/sql/ippool-dhcp/mysql/queries.conf b/raddb/mods-config/sql/ippool-dhcp/mysql/queries.conf new file mode 100644 index 0000000..6aaecb1 --- /dev/null +++ b/raddb/mods-config/sql/ippool-dhcp/mysql/queries.conf @@ -0,0 +1,221 @@ +# -*- text -*- +# +# ippool-dhcp/mysql/queries.conf -- MySQL queries for rlm_sqlippool +# +# $Id$ + +# ***************** +# * DHCP DISCOVER * +# ***************** + +# +# This series of queries allocates an IP address + +# If using MySQL < 8.0.1 then remove SKIP LOCKED +# +# Attempt to find the most recent existing IP address for the client +# +allocate_existing = "\ + SELECT framedipaddress FROM ${ippool_table} \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND pool_key = '${pool_key}' \ + AND `status` IN ('dynamic', 'static') \ + ORDER BY expiry_time DESC LIMIT 1 FOR UPDATE SKIP LOCKED" + +# +# Determine whether the requested IP address is available +# +allocate_requested = "\ + SELECT framedipaddress FROM ${ippool_table} \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND framedipaddress = '%{%{${req_attribute_name}}:-0.0.0.0}' \ + AND `status` = 'dynamic' \ + AND expiry_time < NOW() \ + FOR UPDATE SKIP LOCKED" + +# +# If the existing address can't be found this query will be run to +# find a free address +# +allocate_find = "\ + SELECT framedipaddress FROM ${ippool_table} \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND expiry_time < NOW() \ + AND `status` = 'dynamic' \ + ORDER BY expiry_time LIMIT 1 FOR UPDATE SKIP LOCKED" + +# +# The ORDER BY clause of this query tries to allocate the same IP-address +# which the user last had. Ensure that pool_key is unique to the user +# within a given pool. +# + +# +# Alternatively do the operations in one query. Depending on transaction +# isolation mode, this can cause deadlocks +# +#allocate_find = "\ +# (SELECT framedipaddress, 1 AS o FROM ${ippool_table} \ +# WHERE pool_name = '%{control:${pool_name}}' \ +# AND pool_key = '${pool_key}' \ +# AND `status` IN ('dynamic', 'static') \ +# ORDER BY expiry_time DESC LIMIT 1 FOR UPDATE SKIP LOCKED \ +# ) UNION ( \ +# SELECT framedipaddress, 2 AS o FROM ${ippool_table} \ +# WHERE pool_name = '%{control:${pool_name}}' \ +# AND framedipaddress = '%{%{${req_attribute_name}}:-0.0.0.0}' \ +# AND `status` = 'dynamic' \ +# AND ( pool_key = '${pool_key}' OR expiry_time < NOW() ) \ +# FOR UPDATE SKIP LOCKED \ +# ) UNION ( \ +# SELECT framedipaddress, 3 AS o FROM ${ippool_table} \ +# WHERE pool_name = '%{control:${pool_name}}' \ +# AND expiry_time < NOW() \ +# AND `status` = 'dynamic' \ +# ORDER BY expiry_time LIMIT 1 FOR UPDATE SKIP LOCKED \ +# ) ORDER BY o \ +# LIMIT 1" + +# +# 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 ${ippool_table} \ +# WHERE pool_name = '%{control:${pool_name}}' \ +# AND expiry_time < NOW() \ +# AND `status` = 'dynamic' \ +# ORDER BY \ +# RAND() \ +# LIMIT 1 \ +# FOR UPDATE" + +# +# The above query again, but with SKIP LOCKED. This requires MySQL >= 8.0.1, +# and InnoDB. +# +#allocate_find = "\ +# SELECT framedipaddress FROM ${ippool_table} \ +# WHERE pool_name = '%{control:${pool_name}}' \ +# AND expiry_time < NOW() \ +# AND `status` = 'dynamic' \ +# ORDER BY \ +# RAND() \ +# LIMIT 1 \ +# FOR UPDATE SKIP LOCKED" + +# +# 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 ${ippool_table} \ + SET \ + gateway = '%{DHCP-Gateway-IP-Address}', pool_key = '${pool_key}', \ + expiry_time = NOW() + INTERVAL ${offer_duration} SECOND \ + WHERE framedipaddress = '%I'" + +# +# Use a stored procedure to find AND allocate the address. Read and customise +# `procedure.sql` in this directory to determine the optimal configuration. +# +#allocate_begin = "" +#allocate_find = "\ +# CALL fr_dhcp_allocate_previous_or_new_framedipaddress( \ +# '%{control:${pool_name}}', \ +# '%{DHCP-Gateway-IP-Address}', \ +# '${pool_key}', \ +# ${offer_duration}, \ +# '%{%{${req_attribute_name}}:-0.0.0.0}' \ +# )" +#allocate_update = "" +#allocate_commit = "" + + +# **************** +# * 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 ${ippool_table} \ + SET \ + gateway = '', \ + pool_key = '', \ + expiry_time = NOW() \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND pool_key = '${pool_key}' \ + AND framedipaddress <> '%{DHCP-Requested-IP-Address}' \ + AND expiry_time > NOW() \ + AND `status` = 'dynamic'" + +# +# 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 = NOW() + INTERVAL ${lease_duration} SECOND, \ + counter = counter + 1 \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND pool_key = '${pool_key}' \ + AND framedipaddress = '%{%{DHCP-Requested-IP-Address}:-%{DHCP-Client-IP-Address}}'" + + +# **************** +# * DHCP RELEASE * +# **************** + +# +# This query frees an IP address when a DHCP RELEASE packet arrives +# +stop_clear = "\ + UPDATE ${ippool_table} \ + SET \ + gateway = '', \ + pool_key = '', \ + expiry_time = NOW() \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND pool_key = '${pool_key}' \ + AND framedipaddress = '%{DHCP-Client-IP-Address}' \ + AND `status` = 'dynamic'" + + +# +# 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 ${ippool_table} \ + SET status = 'declined' \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND pool_key = '${pool_key}' \ + AND framedipaddress = '%{DHCP-Requested-IP-Address}'" |