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Diffstat (limited to 'raddb/mods-config/sql/ippool-dhcp/mssql/queries.conf')
| -rw-r--r-- | raddb/mods-config/sql/ippool-dhcp/mssql/queries.conf | 257 |
1 files changed, 257 insertions, 0 deletions
diff --git a/raddb/mods-config/sql/ippool-dhcp/mssql/queries.conf b/raddb/mods-config/sql/ippool-dhcp/mssql/queries.conf new file mode 100644 index 0000000..c919e2d --- /dev/null +++ b/raddb/mods-config/sql/ippool-dhcp/mssql/queries.conf @@ -0,0 +1,257 @@ +# -*- text -*- +# +# ippool-dhcp/mssql/queries.conf -- MSSQL queries for rlm_sqlippool +# +# $Id$ + +# ***************** +# * DHCP DISCOVER * +# ***************** + +# +# This series of queries allocates an IP address +# + +# +# MSSQL-specific syntax - required if finding the address and updating +# it are separate queries +# +#allocate_begin = "BEGIN TRAN" +#allocate_commit = "COMMIT TRAN" + +allocate_begin = "" +allocate_commit = "" + +# +# Attempt to find the most recent existing IP address for the client +# +allocate_existing = "\ + WITH cte AS ( \ + SELECT TOP(1) framedipaddress, expiry_time, gateway \ + FROM ${ippool_table} WITH (xlock rowlock readpast) \ + JOIN dhcpstatus ON ${ippool_table}.status_id = dhcpstatus.status_id \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND pool_key = '${pool_key}' \ + AND dhcpstatus.status IN ('dynamic', 'static') \ + ORDER BY expiry_time DESC \ + ) \ + UPDATE cte \ + SET expiry_time = DATEADD(SECOND,${offer_duration},CURRENT_TIMESTAMP), \ + gateway = '%{DHCP-Gateway-IP-Address}' \ + OUTPUT INSERTED.FramedIPAddress \ + FROM ${ippool_table}" + +# +# Determine whether the requested IP address is available +# +allocate_requested = "\ + WITH cte AS ( \ + SELECT TOP(1) framedipaddress, expiry_time, gateway \ + FROM ${ippool_table} WITH (xlock rowlock readpast) \ + JOIN dhcpstatus ON ${ippool_table}.status_id = dhcpstatus.status_id \ + WHERE pool_name = '%{control:${pool_name}}' \ + AND framedipaddress = '%{%{${req_attribute_name}}:-0.0.0.0}' \ + AND dhcpstatus.status = 'dynamic' \ + AND expiry_time < CURRENT_TIMESTAMP \ + ) \ + UPDATE cte \ + SET expiry_time = DATEADD(SECOND,${offer_duration},CURRENT_TIMESTAMP), \ + gateway = '%{DHCP-Gateway-IP-Address}', \ + pool_key = '${pool_key}' \ + OUTPUT INSERTED.FramedIPAddress \ + FROM ${ippool_table}" + +# +# If the existing address can't be found this query will be run to +# find a free address +# +allocate_find = "\ + WITH cte AS ( \ + SELECT TOP(1) framedipaddress, expiry_time, gateway, pool_key \ + FROM ${ippool_table} WITH (xlock rowlock readpast) \ + 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 expiry_time \ + ) \ + UPDATE cte \ + SET expiry_time = DATEADD(SECOND,${offer_duration},CURRENT_TIMESTAMP), \ + gateway = '%{DHCP-Gateway-IP-Address}', \ + pool_key = '${pool_key}' \ + OUTPUT INSERTED.FramedIPAddress \ + FROM ${ippool_table}" + +# +# Alternatively attempt all in one, more complex, query +# +# The ORDER BY clause of this query tries to allocate the same IP-address +# which user had last session. Ensure that pool_key is unique to the user +# within a given pool. +# +#allocate_find = "\ +# UPDATE TOP(1) ${ippool_table} \ +# SET FramedIPAddress = FramedIPAddress, \ +# pool_key = '${pool_key}', \ +# expiry_time = DATEADD(SECOND,${offer_duration},CURRENT_TIMESTAMP), \ +# GatewayIPAddress = '%{DHCP-Gateway-IP-Address}' \ +# OUTPUT INSERTED.FramedIPAddress \ +# FROM ${ippool_table} \ +# WHERE ${ippool_table}.id IN ( \ +# SELECT TOP (1) id FROM ( \ +# (SELECT TOP(1) id, 1 AS o FROM ${ippool_table} WITH (xlock rowlock readpast) \ +# JOIN dhcpstatus ON ${ippool_table}.status_id = dhcpstatus.status_id \ +# WHERE pool_name = '%{control:${pool_name}}' \ +# AND pool_key = '${pool_key}' \ +# AND dhcpstatus.status IN ('dynamic', 'static')) \ +# UNION \ +# (SELECT TOP(1) id, 2 AS o FROM ${ippool_table} WITH (xlock rowlock readpast) \ +# JOIN dhcpstatus ON ${ippool_table}.status_id = dhcpstatus.status_id \ +# WHERE pool_name = '%{control:${pool_name}}' \ +# AND framedipaddress = '%{%{${req_attribute_name}}:-0.0.0.0}' \ +# AND dhcpstatus.status = 'dynamic' \ +# AND ( pool_key = '%{pool_key}' OR expiry_time < CURRENT_TIMESTAMP )) \ +# UNION \ +# (SELECT TOP(1) id, 3 AS o FROM ${ippool_table} WITH (xlock rowlock readpast) \ +# 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 expiry_time) \ +# ) AS q ORDER BY q.o \ +# )" + +# +# 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 = "\ +# WITH cte AS ( \ +# SELECT TOP(1) FramedIPAddress 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 \ +# newid() \ +# ) \ +# UPDATE cte WITH (rowlock, readpast) \ +# SET FramedIPAddress = FramedIPAddress \ +# OUTPUT INSERTED.FramedIPAddress" + +# +# 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 TOP(1) id \ + FROM ${ippool_table} \ + WHERE pool_name='%{control:${pool_name}}'" + +# +# This is the final IP Allocation query, which saves the allocated ip details. +# Only needed if the initial "find" query is not storing the allocation. +# +#allocate_update = "\ +# UPDATE ${ippool_table} \ +# SET \ +# gateway = '%{DHCP-Gateway-IP-Address}', pool_key = '${pool_key}', \ +# expiry_time = DATEADD(SECOND,${offer_duration},CURRENT_TIMESTAMP) \ +# WHERE FramedIPAddress = '%I'" + +# +# Use a stored procedure to find AND allocate the address. Read and customise +# `procedure.sql` in this directory to determine the optimal configuration. +# +#allocate_begin = "" +#allocate_find = "\ +# EXEC fr_dhcp_allocate_previous_or_new_framedipaddress \ +# @v_pool_name = '%{control:${pool_name}}', \ +# @v_gateway = '%{DHCP-Gateway-IP-Address}', \ +# @v_pool_key = '${pool_key}', \ +# @v_lease_duration = ${offer_duration}, \ +# @v_requested_address = '%{%{${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 ${ippool_table} \ + SET \ + gateway = '', \ + pool_key = '', \ + expiry_time = CURRENT_TIMESTAMP \ + WHERE pool_name = '%{control:${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')" + +# +# 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 ${ippool_table} \ + SET \ + expiry_time = DATEADD(SECOND,${lease_duration},CURRENT_TIMESTAMP), \ + 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 ${ippool_table} \ + SET \ + gateway = '', \ + pool_key = '', \ + expiry_time = CURRENT_TIMESTAMP \ + WHERE pool_name = '%{control:${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')" + +# +# 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}'" |