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/*
* Copyright (c) 2016 Cisco and/or its affiliates.
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at:
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
*------------------------------------------------------------------
* pot_api.c - Proof of Transit related APIs to create
* and maintain profiles
*------------------------------------------------------------------
*/
#include <vnet/vnet.h>
#include <vnet/plugin/plugin.h>
#include <ioam/lib-pot/pot_util.h>
#include <vlibapi/api.h>
#include <vlibmemory/api.h>
/* define message IDs */
#include <ioam/lib-pot/pot.api_enum.h>
#include <ioam/lib-pot/pot.api_types.h>
#define REPLY_MSG_ID_BASE sm->msg_id_base
#include <vlibapi/api_helper_macros.h>
static void vl_api_pot_profile_add_t_handler
(vl_api_pot_profile_add_t *mp)
{
pot_main_t * sm = &pot_main;
int rv = 0;
vl_api_pot_profile_add_reply_t * rmp;
u8 id;
pot_profile *profile = NULL;
u8 *name = 0;
name = vl_api_from_api_to_vec(&mp->list_name);
pot_profile_list_init(name);
id = mp->id;
profile = pot_profile_find(id);
if (profile) {
rv = pot_profile_create(profile,
clib_net_to_host_u64(mp->prime),
clib_net_to_host_u64(mp->polynomial_public),
clib_net_to_host_u64(mp->lpc),
clib_net_to_host_u64(mp->secret_share));
if (rv != 0)
goto ERROROUT;
if (1 == mp->validator)
(void)pot_set_validator(profile, clib_net_to_host_u64(mp->secret_key));
(void)pot_profile_set_bit_mask(profile, mp->max_bits);
} else {
rv = -3;
}
ERROROUT:
vec_free(name);
REPLY_MACRO(VL_API_POT_PROFILE_ADD_REPLY);
}
static void send_pot_profile_details(vl_api_pot_profile_show_config_dump_t *mp, u8 id)
{
vl_api_pot_profile_show_config_details_t * rmp;
pot_main_t * sm = &pot_main;
pot_profile *profile = pot_profile_find(id);
int rv = 0;
if(profile){
REPLY_MACRO2(VL_API_POT_PROFILE_SHOW_CONFIG_DETAILS,
rmp->id=id;
rmp->validator=profile->validator;
rmp->secret_key=clib_host_to_net_u64(profile->secret_key);
rmp->secret_share=clib_host_to_net_u64(profile->secret_share);
rmp->prime=clib_host_to_net_u64(profile->prime);
rmp->bit_mask=clib_host_to_net_u64(profile->bit_mask);
rmp->lpc=clib_host_to_net_u64(profile->lpc);
rmp->polynomial_public=clib_host_to_net_u64(profile->poly_pre_eval);
);
}
else{
REPLY_MACRO2(VL_API_POT_PROFILE_SHOW_CONFIG_DETAILS,
rmp->id=id;
rmp->validator=0;
rmp->secret_key=0;
rmp->secret_share=0;
rmp->prime=0;
rmp->bit_mask=0;
rmp->lpc=0;
rmp->polynomial_public=0;
);
}
}
static void vl_api_pot_profile_show_config_dump_t_handler
(vl_api_pot_profile_show_config_dump_t *mp)
{
u8 id = mp->id;
u8 dump_call_id = ~0;
if(dump_call_id==id){
for(id=0;id<MAX_POT_PROFILES;id++)
send_pot_profile_details(mp,id);
}
else
send_pot_profile_details(mp,id);
}
static void vl_api_pot_profile_activate_t_handler
(vl_api_pot_profile_activate_t *mp)
{
pot_main_t * sm = &pot_main;
int rv = 0;
vl_api_pot_profile_add_reply_t * rmp;
u8 id;
u8 *name = NULL;
name = vl_api_from_api_to_vec(&mp->list_name);
if (!pot_profile_list_is_enabled(name)) {
rv = -1;
} else {
id = mp->id;
rv = pot_profile_set_active(id);
}
vec_free(name);
REPLY_MACRO(VL_API_POT_PROFILE_ACTIVATE_REPLY);
}
static void vl_api_pot_profile_del_t_handler
(vl_api_pot_profile_del_t *mp)
{
pot_main_t * sm = &pot_main;
int rv = 0;
vl_api_pot_profile_del_reply_t * rmp;
clear_pot_profiles();
REPLY_MACRO(VL_API_POT_PROFILE_DEL_REPLY);
}
#include <ioam/lib-pot/pot.api.c>
static clib_error_t * pot_init (vlib_main_t * vm)
{
pot_main_t * sm = &pot_main;
bzero(sm, sizeof(pot_main));
(void)pot_util_init();
sm->vlib_main = vm;
sm->vnet_main = vnet_get_main();
/* Ask for a correctly-sized block of API message decode slots */
sm->msg_id_base = setup_message_id_table ();
return 0;
}
VLIB_INIT_FUNCTION (pot_init);
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