#include <config.h>
#include <asiolink/io_service_mgr.h>
#include <cc/command_interpreter.h>
#include <cc/simple_parser.h>
#include <hooks/hooks.h>
#include <dhcp/pkt4.h>
#include <dhcp/pkt6.h>
#include <dhcpsrv/lease.h>
#include <dhcpsrv/subnet.h>
#include <radius.h>
#include <dhcpsrv/cfgmgr.h>
#include <dhcpsrv/host_mgr.h>
#include <process/daemon.h>
#include <radius_log.h>
#include <radius_parsers.h>
#include <radius_access.h>
#include <radius_accounting.h>
#include <util/multi_threading_mgr.h>
#include <string>
#include <sstream>
#include <vector>

Include dependency graph for radius_callout.cc:

Functions
int	command_processed (CalloutHandle &handle)
	This callout is called at the "command_processed" hook point.

int	dhcp4_srv_configured (CalloutHandle &)
	This function is called by the DHCPv4 server when it is configured.

int	dhcp6_srv_configured (CalloutHandle &)
	This function is called by the DHCPv6 server when it is configured.

int	lease4_decline (CalloutHandle &handle)
	This callout is called at the "lease4_decline" hook.

int	lease4_expire (CalloutHandle &handle)
	This callout is called at the "lease4_expire" hook.

int	lease4_release (CalloutHandle &handle)
	This callout is called at the "lease4_release" hook.

int	lease4_renew (CalloutHandle &handle)
	This callout is called at the "lease4_renew" hook.

int	lease4_select (CalloutHandle &handle)
	This callout is called at the "lease4_select" hook.

int	lease6_decline (CalloutHandle &handle)
	This callout is called at the "lease6_decline" hook.

int	lease6_expire (CalloutHandle &handle)
	This callout is called at the "lease6_expire" hook.

int	lease6_rebind (CalloutHandle &handle)
	This callout is called at the "lease6_rebind" hook.

int	lease6_release (CalloutHandle &handle)
	This callout is called at the "lease6_release" hook.

int	lease6_renew (CalloutHandle &handle)
	This callout is called at the "lease6_renew" hook.

int	lease6_select (CalloutHandle &handle)
	This callout is called at the "lease6_select" hook.

int	load (LibraryHandle &handle)
	This function is called when the library is loaded.

int	multi_threading_compatible ()
	This function is called to retrieve the multi-threading compatibility.

int	subnet4_select (CalloutHandle &handle)
	This callout tries to retrieve host information from cache.

int	subnet6_select (CalloutHandle &handle)
	This callout tries to retrieve host information from cache.

int	unload ()
	This function is called when the library is unloaded.

Function Documentation

◆ command_processed()

int command_processed ( CalloutHandle & handle )

This callout is called at the "command_processed" hook point.

If any lease{4,6}-add/update/del command is issued, this code sends appropriate Radius packets to the accounting server.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 884 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_ADD, isc::radius::EVENT_DEL, isc::radius::EVENT_UPDATE, isc::hooks::CalloutHandle::getArgument(), isc::data::SimpleParser::getInteger(), isc::radius::RadiusImpl::instance(), LOG_ERROR, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, isc::radius::RadiusAccounting::runAsync(), and Element::string.

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◆ dhcp4_srv_configured()

int dhcp4_srv_configured ( CalloutHandle & )

This function is called by the DHCPv4 server when it is configured.

The only purpose of this callout is to retrieve io_service_ reference.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 421 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::asiolink::IOServiceMgr::instance(), isc::radius::RadiusImpl::instance(), isc::asiolink::IOServiceMgr::registerIOService(), and isc::radius::RadiusImpl::startServices().

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◆ dhcp6_srv_configured()

int dhcp6_srv_configured ( CalloutHandle & )

This function is called by the DHCPv6 server when it is configured.

The only purpose of this callout is to retrieve io_service_ reference.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 433 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::asiolink::IOServiceMgr::instance(), isc::radius::RadiusImpl::instance(), isc::asiolink::IOServiceMgr::registerIOService(), and isc::radius::RadiusImpl::startServices().

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◆ lease4_decline()

int lease4_decline ( CalloutHandle & handle )

This callout is called at the "lease4_decline" hook.

It does transmit Accounting-Request with Acct-Status-Type set to Stop.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 643 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_DECLINE, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ lease4_expire()

int lease4_expire ( CalloutHandle & handle )

This callout is called at the "lease4_expire" hook.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 673 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_EXPIRE, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ lease4_release()

int lease4_release ( CalloutHandle & handle )

This callout is called at the "lease4_release" hook.

It does transmit Accounting-Request with Acct-Status-Type set to Stop.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 610 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_RELEASE, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ lease4_renew()

int lease4_renew ( CalloutHandle & handle )

This callout is called at the "lease4_renew" hook.

It does transmit Accounting-Request with Acct-Status-Type set to Interim-Update.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 577 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_RENEW, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ lease4_select()

int lease4_select ( CalloutHandle & handle )

This callout is called at the "lease4_select" hook.

It does transmit Accounting-Request with Acct-Status-Type set to Start if a lease has been assigned.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 536 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_CREATE, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ lease6_decline()

int lease6_decline ( CalloutHandle & handle )

This callout is called at the "lease6_decline" hook.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 823 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_DECLINE, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ lease6_expire()

int lease6_expire ( CalloutHandle & handle )

This callout is called at the "lease6_expire" hook.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 852 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_EXPIRE, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ lease6_rebind()

int lease6_rebind ( CalloutHandle & handle )

This callout is called at the "lease6_rebind" hook.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 765 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_REBIND, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ lease6_release()

int lease6_release ( CalloutHandle & handle )

This callout is called at the "lease6_release" hook.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 794 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_RELEASE, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ lease6_renew()

int lease6_renew ( CalloutHandle & handle )

This callout is called at the "lease6_renew" hook.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 736 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_RENEW, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ lease6_select()

int lease6_select ( CalloutHandle & handle )

This callout is called at the "lease6_select" hook.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 702 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::radius::EVENT_CREATE, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), LOG_ERROR, CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_SKIP, isc::radius::RADIUS_HOOK_FAILED, isc::radius::radius_logger, and isc::radius::RadiusAccounting::runAsync().

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◆ load()

int load ( LibraryHandle & handle )

This function is called when the library is loaded.

Parameters

handle library handle

Returns: 0 when initialization is successful, 1 otherwise

Definition at line 366 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_ERROR, isc::config::CONTROL_RESULT_SUCCESS, isc::dhcp::CfgMgr::getFamily(), isc::process::Daemon::getProcName(), isc::dhcp::CfgMgr::instance(), isc::radius::RadiusImpl::instance(), isc_throw, LOG_ERROR, LOG_INFO, isc::radius::RADIUS_CONFIGURATION_FAILED, isc::radius::RADIUS_INIT_OK, and isc::radius::radius_logger.

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◆ multi_threading_compatible()

int multi_threading_compatible ( )

This function is called to retrieve the multi-threading compatibility.

Returns: 1 which means compatible with multi-threading,

Definition at line 411 of file radius_callout.cc.

◆ subnet4_select()

int subnet4_select ( CalloutHandle & handle )

This callout tries to retrieve host information from cache.

This function is called by the DHCPv4 server when a subnet is being selected. It uses input packet to extract identifier and then looks for host entry in the host cache.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 447 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getParkingLotHandlePtr(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_PARK, CalloutHandle::NEXT_STEP_SKIP, and isc::hooks::CalloutHandle::setStatus().

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◆ subnet6_select()

int subnet6_select ( CalloutHandle & handle )

This callout tries to retrieve host information from cache.

This function is called by the DHCPv4 server when a subnet is being selected. It uses input packet to extract identifier and then looks for host entry in the host cache.

Parameters

handle callout handle passed to the callout.

Returns: 0 on success, 1 otherwise.

Definition at line 492 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::hooks::CalloutHandle::getArgument(), isc::hooks::CalloutHandle::getParkingLotHandlePtr(), isc::hooks::CalloutHandle::getStatus(), isc::radius::RadiusImpl::instance(), CalloutHandle::NEXT_STEP_DROP, CalloutHandle::NEXT_STEP_PARK, CalloutHandle::NEXT_STEP_SKIP, and isc::hooks::CalloutHandle::setStatus().

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◆ unload()

int unload ( )

This function is called when the library is unloaded.

Returns: 0 if deregistration was successful, 1 otherwise

Definition at line 401 of file radius_callout.cc.

References isc::config::CONTROL_RESULT_SUCCESS, isc::asiolink::IOServiceMgr::instance(), isc::radius::RadiusImpl::instance(), LOG_INFO, isc::radius::RADIUS_DEINIT_OK, isc::radius::radius_logger, isc::radius::RadiusImpl::reset(), and isc::asiolink::IOServiceMgr::unregisterIOService().

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Functions

Function Documentation

◆ command_processed()

◆ dhcp4_srv_configured()

◆ dhcp6_srv_configured()

◆ lease4_decline()

◆ lease4_expire()

◆ lease4_release()

◆ lease4_renew()

◆ lease4_select()

◆ lease6_decline()

◆ lease6_expire()

◆ lease6_rebind()

◆ lease6_release()

◆ lease6_renew()

◆ lease6_select()

◆ load()

◆ multi_threading_compatible()

◆ subnet4_select()

◆ subnet6_select()

◆ unload()