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/*
* Copyright (c) 2017-2019 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.
*/
#include <string.h>
#include "icmp.h"
#include "../error.h"
#include "../ops.h"
DECLARE_get_interest_locator (icmp, UNEXPECTED)
DECLARE_set_interest_locator (icmp, UNEXPECTED)
DECLARE_get_interest_name (icmp, UNEXPECTED)
DECLARE_set_interest_name (icmp, UNEXPECTED)
DECLARE_get_interest_name_suffix (icmp, UNEXPECTED)
DECLARE_set_interest_name_suffix (icmp, UNEXPECTED)
DECLARE_get_data_locator (icmp, UNEXPECTED)
DECLARE_set_data_locator (icmp, UNEXPECTED)
DECLARE_get_data_name (icmp, UNEXPECTED)
DECLARE_set_data_name (icmp, UNEXPECTED)
DECLARE_get_data_name_suffix (icmp, UNEXPECTED)
DECLARE_set_data_name_suffix (icmp, UNEXPECTED)
DECLARE_get_data_pathlabel (icmp, UNEXPECTED)
DECLARE_set_data_pathlabel (icmp, UNEXPECTED)
DECLARE_update_data_pathlabel (icmp, UNEXPECTED)
DECLARE_get_lifetime (icmp, UNEXPECTED)
DECLARE_set_lifetime (icmp, UNEXPECTED)
DECLARE_get_length (icmp, UNEXPECTED)
DECLARE_get_payload_length (icmp, UNEXPECTED)
DECLARE_set_payload_length (icmp, UNEXPECTED)
int icmp_init_packet_header (hicn_type_t type, hicn_protocol_t * h)
{
h->icmp = (_icmp_header_t)
{
.type = 0,.code = 0,.csum = 0,};
return HICN_LIB_ERROR_NONE; // CHILD_OPS(init_packet_header, type, h->icmp);
}
int
icmp_reset_interest_for_hash (hicn_type_t type, hicn_protocol_t * h)
{
h->icmp.csum = 0;
return CHILD_OPS (reset_interest_for_hash, type, h);
}
int
icmp_reset_data_for_hash (hicn_type_t type, hicn_protocol_t * h)
{
h->icmp.csum = 0;
return CHILD_OPS (reset_data_for_hash, type, h);
}
int
icmp_update_checksums (hicn_type_t type, hicn_protocol_t * h,
u16 partial_csum, size_t payload_length)
{
return HICN_LIB_ERROR_NOT_IMPLEMENTED;
// h->icmp.csum = 0;
// h->icmp.csum = csum(h->bytes, TCP_HDRLEN + payload_length, ~partial_csum);
//
// return CHILD_OPS(update_checksums, type, h->icmp, 0, payload_length);
}
int
icmp_verify_checksums (hicn_type_t type, hicn_protocol_t * h,
u16 partial_csum, size_t payload_length)
{
return HICN_LIB_ERROR_NOT_IMPLEMENTED;
// if (csum(h->bytes, TCP_HDRLEN + payload_length, ~partial_csum) != 0)
// return HICN_LIB_ERROR_CORRUPTED_PACKET;
// return CHILD_OPS(verify_checksums, type, h->icmp, 0, payload_length);
}
int
icmp_rewrite_interest (hicn_type_t type, hicn_protocol_t * h,
const ip46_address_t * addr_new,
ip46_address_t * addr_old)
{
return HICN_LIB_ERROR_NOT_IMPLEMENTED;
// u16 *icmp_checksum = &(h->icmp.csum);
//
// /*
// * Padding fields are set to zero so we can apply checksum on the
// * whole struct by interpreting it as IPv6 in all cases
// *
// * v4 code would be:
// * csum = ip_csum_sub_even (*icmp_checksum, h->ipv4.saddr.as_u32);
// * csum = ip_csum_add_even (csum, h->ipv4.saddr.as_u32);
// */
// u16 csum = ip_csum_sub_even (*icmp_checksum, h->ipv6.saddr.as_u64[0]);
// csum = ip_csum_sub_even (csum, h->ipv6.saddr.as_u64[1]);
// csum = ip_csum_add_even (csum, h->ipv6.saddr.as_u64[0]);
// csum = ip_csum_add_even (csum, h->ipv6.saddr.as_u64[1]);
//
// *icmp_checksum = ip_csum_fold (csum);
//
// return HICN_LIB_ERROR_NONE;
}
int
icmp_rewrite_data (hicn_type_t type, hicn_protocol_t * h,
const ip46_address_t * addr_new, ip46_address_t * addr_old,
const hicn_faceid_t face_id)
{
return HICN_LIB_ERROR_NOT_IMPLEMENTED;
// u16 *icmp_checksum = &(h->icmp.csum);
//
// /*
// * Padding fields are set to zero so we can apply checksum on the
// * whole struct by interpreting it as IPv6 in all cases
// *
// * v4 code would be:
// * csum = ip_csum_sub_even (*icmp_checksum, h->ipv4.saddr.as_u32);
// * csum = ip_csum_add_even (csum, h->ipv4.saddr.as_u32);
// */
// u16 csum = ip_csum_sub_even (*icmp_checksum, addr_old->ip6.as_u64[0]);
// csum = ip_csum_sub_even (*icmp_checksum, addr_old->ip6.as_u64[1]);
// csum = ip_csum_add_even (csum, addr_new->ip6.as_u64[0]);
// csum = ip_csum_add_even (csum, addr_new->ip6.as_u64[1]);
//
// csum = ip_csum_sub_even (csum, h->icmp.pathlabel);
// icmp_update_data_pathlabel(type, h, face_id);
// csum = ip_csum_add_even (csum, h->icmp.pathlabel);
//
// *icmp_checksum = ip_csum_fold (csum);
//
// return HICN_LIB_ERROR_NONE;
}
int
icmp_get_current_header_length (hicn_type_t type, const hicn_protocol_t * h,
size_t * header_length)
{
*header_length = ICMP_HDRLEN;
return HICN_LIB_ERROR_NONE;
}
int
icmp_get_header_length (hicn_type_t type, const hicn_protocol_t * h,
size_t * header_length)
{
size_t child_header_length = 0;
int rc = CHILD_OPS (get_header_length, type, h, &child_header_length);
if (rc < 0)
return rc;
*header_length = ICMP_HDRLEN + child_header_length;
return HICN_LIB_ERROR_NONE;
}
int
icmp_get_signature_size (hicn_type_t type, const hicn_protocol_t * h,
size_t * signature_size)
{
return CHILD_OPS (get_signature_size, type, h, signature_size);
}
int
icmp_set_signature_size (hicn_type_t type, hicn_protocol_t * h,
size_t signature_size)
{
return CHILD_OPS (set_signature_size, type, h, signature_size);
}
int
icmp_set_signature_timestamp(hicn_type_t type, hicn_protocol_t * h,
uint64_t signature_timestamp)
{
return CHILD_OPS (set_signature_timestamp, type, h, signature_timestamp);
}
int
icmp_get_signature_timestamp (hicn_type_t type, const hicn_protocol_t * h,
uint64_t * signature_timestamp)
{
return CHILD_OPS (get_signature_timestamp, type, h, signature_timestamp);
}
int
icmp_set_validation_algorithm (hicn_type_t type, hicn_protocol_t * h,
uint8_t validation_algorithm)
{
return CHILD_OPS (set_validation_algorithm, type, h, validation_algorithm);
}
int
icmp_get_validation_algorithm (hicn_type_t type, const hicn_protocol_t * h,
uint8_t * validation_algorithm)
{
return CHILD_OPS (get_validation_algorithm, type, h, validation_algorithm);
}
int
icmp_set_key_id (hicn_type_t type, hicn_protocol_t * h,
uint8_t *key_id)
{
return CHILD_OPS (set_key_id, type, h, key_id);
}
int
icmp_get_key_id (hicn_type_t type, hicn_protocol_t * h,
uint8_t **key_id, uint8_t *key_id_size)
{
return CHILD_OPS (get_key_id, type, h, key_id, key_id_size);
}
DECLARE_HICN_OPS (icmp);
/*
* fd.io coding-style-patch-verification: ON
*
* Local Variables:
* eval: (c-set-style "gnu")
* End:
*/
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