333 lines
12 KiB
C
333 lines
12 KiB
C
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/*
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******************************************************************************
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* INTERPEAK SOURCE FILE
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*
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* Document no: @(#) $Name: VXWORKS_ITER40_2019102207 $ $RCSfile: ipmip6pm_service_selection.c,v $ $Revision: 1.8 $
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* $Source: /home/interpeak/CVSRoot/ipmip6pm/config/ipmip6pm_service_selection.c,v $
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* $Author: jhorteli $
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* $State: Exp $ $Locker: $
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*
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* INTERPEAK_COPYRIGHT_STRING
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* Design and implementation by Joel Hortelius <joel.hortelis@interpeak.se>
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******************************************************************************
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*/
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/*
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****************************************************************************
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* 1 DESCRIPTION
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 2 CONFIGURATION
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****************************************************************************
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*/
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#include "ipmip6pm_config.h"
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/*
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****************************************************************************
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* 3 INCLUDE FILES
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****************************************************************************
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*/
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#define IPCOM_USE_CLIB_PROTO
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#include <ipcom_clib.h>
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#include <ipcom_os.h>
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#include <ipcom_sock.h>
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#include <ipcom_sock6.h>
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#include <ipcom_inet.h>
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#include <ipcom_list.h>
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#include <ipcom_hash.h>
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#include <ipcom_err.h>
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#include <ipcom_sysvar.h>
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#include <ipcom_syslog.h>
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#include <ipcom_shell.h>
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#include <ipcom_route.h>
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#include <ipnet.h>
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#include <ipnet_policy_routing.h>
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#include <ipmip.h>
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#include <private/ipmip_util.h>
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#include <private/ipmip_sysvar.h>
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#include <ipmip6.h>
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#include <private/ipmip6_context.h>
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#include <private/ipmip6_netlink.h>
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#include <private/ipmip6_if.h>
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#include <private/ipmip6_icmp.h>
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#include <private/ipmip6_util.h>
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#include <private/ipmip6_sysext.h>
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#include "ipmip6pm_h.h"
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#include "ipmip6pm_attr_h.h"
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#include "ipmip6pm_if.h"
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#include "ipmip6pm_node.h"
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#include "ipmip6pm_pktbuf.h"
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/*
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****************************************************************************
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* 4 DEFINES
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****************************************************************************
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*/
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#define IPMIP6PM_SERVICE_SELECTION_NAME "SERVICE-SELECTION"
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/*
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****************************************************************************
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* 5 TYPES
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****************************************************************************
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*/
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typedef struct Ipmip6pm_service_selection_config_global
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{
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Ipmip6_mh_mo_service_selection_mobility_option_t *selection;
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} Ipmip6pm_service_selection_config_global_t;
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typedef struct Ipmip6pm_service_selection_config
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{
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Ipmip6_mh_mo_service_selection_mobility_option_t *selection;
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} Ipmip6pm_service_selection_config_t;
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typedef struct Ipmip6pm_service_selection_node_config
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{
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Ipmip6_mh_mo_service_selection_mobility_option_t *selection;
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} Ipmip6pm_service_selection_node_config_t;
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/*
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****************************************************************************
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* 6 EXTERN PROTOTYPES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 7 LOCAL PROTOTYPES
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 8 DATA
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****************************************************************************
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*/
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/*
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****************************************************************************
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* 9 STATIC FUNCTIONS
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****************************************************************************
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*/
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IP_STATIC void
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ipmip6pm_service_selection_request_rep_apply(struct Ipmip6pm_context *ctx,
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struct Ipmip_proc *proc,
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Ipmip6pm_service_selection_config_global_t *gcfg,
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Ipmip6pm_service_selection_config_t *ifcfg,
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Ipmip6pm_service_selection_node_config_t *nodecfg,
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struct Ipmip6pm_node *node,
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struct Ipmip6pm_pktbuf *pbuf)
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{
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IPMIP_UNUSED_PARAMETER(node);
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IPMIP_UNUSED_PARAMETER(gcfg);
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IPMIP_UNUSED_PARAMETER(ifcfg);
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/**/
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if (node->mip6MnBLTable.mip6MnBLAccepted == IP_FALSE)
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{
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if (nodecfg->selection != IP_NULL)
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{
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IPMIP6_EVENT_IF(INFO, proc,
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ipmip_log_event_add(&ctx->ipmip6.ipmip,
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proc,
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"%s requesting service selection '%s'",
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ipmip6pm_node_describe(proc, node),
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(char *)&nodecfg->selection->identifier[0]));
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ipmip6_mh_pkt_opt_add_mo(&ctx->ipmip6,
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proc,
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&pbuf->ipmip6,
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&nodecfg->selection->hdr);
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}
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}
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}
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IP_STATIC void
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ipmip6pm_service_selection_config_global(struct Ipmip6pm_context *ctx,
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struct Ipmip_proc *proc,
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int action,
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Ipmip6pm_service_selection_config_global_t *gcfg,
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Ipmip_cli_message_t *request)
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{
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IPMIP_UNUSED_PARAMETER(ctx);
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IPMIP_UNUSED_PARAMETER(proc);
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if (action == IPMIP_CALLBACK_CONFIG_READ)
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{
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gcfg->selection = ipmip6_sysext_service_selection("ipmip6pm.service_selection");
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}
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else if (action == IPMIP_CALLBACK_CONFIG_FREE)
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{
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/* Do nothing */
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}
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else if (action == IPMIP_CALLBACK_CONFIG_DUMP)
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{
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if (gcfg->selection)
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{
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ipmip_cli_config_printf(&request->message,
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"ipmip6pm.service_selection=%s",
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&gcfg->selection->identifier[0]);
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}
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}
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}
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IP_STATIC void
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ipmip6pm_service_selection_config(struct Ipmip6pm_context *ctx,
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struct Ipmip_proc *proc,
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int action,
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struct Ipmip6pm_if *ifp,
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Ipmip6pm_service_selection_config_global_t *gcfg,
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Ipmip6pm_service_selection_config_t *cfg,
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Ipmip_cli_message_t *request)
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{
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IPMIP_UNUSED_PARAMETER(ctx);
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IPMIP_UNUSED_PARAMETER(proc);
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IPMIP_UNUSED_PARAMETER(gcfg);
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if (action == IPMIP_CALLBACK_CONFIG_READ)
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{
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/* Read the prefix list allowed for this interface */
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cfg->selection = ipmip6_sysext_service_selection("ipmip6pm.interface.%s.service_selection", ifp->ipmip6.iff.ifname);
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}
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else if (action == IPMIP_CALLBACK_CONFIG_FREE)
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{
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/* Do nothing */
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}
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else if (action == IPMIP_CALLBACK_CONFIG_DUMP)
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{
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if (cfg->selection != IP_NULL)
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{
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ipmip_cli_config_printf(&request->message,
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"ipmip6pm.interface.%s.service_selection=%s",
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ifp->ipmip6.iff.ifname, &cfg->selection->identifier[0]);
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}
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}
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}
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IP_STATIC void
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ipmip6pm_service_selection_free(Ipmip6pm_service_selection_config_global_t *gcfg,
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Ipmip6pm_service_selection_config_t *ifcfg,
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Ipmip6pm_service_selection_node_config_t *nodecfg)
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{
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/* Do Nothing */
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if (nodecfg->selection != IP_NULL)
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{
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if (nodecfg->selection != ifcfg->selection && nodecfg->selection != gcfg->selection)
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ipcom_free(nodecfg->selection);
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nodecfg->selection = IP_NULL;
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}
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}
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IP_STATIC Ip_bool
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ipmip6pm_service_selection_setup(struct Ipmip6pm_context *ctx,
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struct Ipmip_proc *proc,
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int action,
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Ipmip6pm_service_selection_config_global_t *gcfg,
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Ipmip6pm_service_selection_config_t *ifcfg,
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Ipmip6pm_service_selection_node_config_t *nodecfg,
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struct Ipmip6pm_node *node,
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const char *value,
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Ipmip_cli_message_t *request)
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{
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IPMIP_UNUSED_PARAMETER(ctx);
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IPMIP_UNUSED_PARAMETER(proc);
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IPMIP_UNUSED_PARAMETER(node);
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IPMIP_UNUSED_PARAMETER(gcfg);
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if (action == IPMIP_CALLBACK_CONFIG_READ)
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{
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/* Dont allow more than one */
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ipmip6pm_service_selection_free(gcfg, ifcfg, nodecfg);
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if (value == IP_NULL)
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{
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/* No explicit identifier */
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if (ifcfg->selection != IP_NULL)
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nodecfg->selection = ifcfg->selection;
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else if (gcfg->selection != IP_NULL)
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nodecfg->selection = gcfg->selection;
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}
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else
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{
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nodecfg->selection = ipmip6_util_mo_service_selection(value);
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}
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return nodecfg->selection != IP_NULL;
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}
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else if (action == IPMIP_CALLBACK_CONFIG_FREE)
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{
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/* Do Nothing */
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ipmip6pm_service_selection_free(gcfg, ifcfg, nodecfg);
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}
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else if (action == IPMIP_CALLBACK_CONFIG_DUMP)
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{
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if (nodecfg->selection != IP_NULL)
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{
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Ip_size_t rta = ipmip_attr_begin(&request->message, IPMIP6PM_CLI_ATTR_BC_P_SERVICE);
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ipmip_attr_put_str(&request->message,
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IPMIP6PM_CLI_ATTR_BC_P_SRV_MODULE,
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IPMIP6PM_SERVICE_SELECTION_NAME);
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ipmip_attr_put_str(&request->message,
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IPMIP6PM_CLI_ATTR_BC_P_SRV_VALUE,
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(char *)&nodecfg->selection->identifier[0]);
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ipmip_attr_end(&request->message, rta);
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}
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}
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return IP_FALSE;
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}
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/*
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****************************************************************************
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* 10 GLOBAL FUNCTIONS
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****************************************************************************
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*/
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IP_GLOBAL void ipmip6pm_service_selection_install(struct Ipmip6pm_context *ctx);
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IP_GLOBAL void
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ipmip6pm_service_selection_install(struct Ipmip6pm_context *ctx)
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{
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static Ipmip6pm_extension_t srv;
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srv.name = IPMIP6PM_SERVICE_SELECTION_NAME;
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srv.syntax = "<service selection string>";
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srv.node_data_size = sizeof(Ipmip6pm_service_selection_node_config_t);
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srv.ifp_data_size = sizeof(Ipmip6pm_service_selection_config_t);
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srv.global_data_size= sizeof(Ipmip6pm_service_selection_config_global_t);
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srv.config_global = (Ipmip6pm_extension_config_global_t)ipmip6pm_service_selection_config_global;
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srv.config_ifp = (Ipmip6pm_extension_config_ifp_t)ipmip6pm_service_selection_config;
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srv.setup = (Ipmip6pm_extension_setup_t)ipmip6pm_service_selection_setup;
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srv.pkt_req_apply = (Ipmip6pm_extension_pkt_req_apply_t)ipmip6pm_service_selection_request_rep_apply;
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ipmip6pm_context_register_extension(ctx, &srv, IPMIP6PM_FUNCTION_SERVICE);
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}
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/*
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****************************************************************************
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* 11 PUBLIC FUNCTIONS
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****************************************************************************
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*/
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/*
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****************************************************************************
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* END OF FILE
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****************************************************************************
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*/
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