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/*
* Ouroboros - Copyright (C) 2016 - 2024
*
* Ouroboros Enrollment Protocol - serialization/deserialization
*
* Dimitri Staessens <dimitri@ouroboros.rocks>
* Sander Vrijders <sander@ouroboros.rocks>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#define _POSIX_C_SOURCE 200112L
#include <ouroboros/protobuf.h>
#include <ouroboros/serdes-oep.h>
ssize_t enroll_req_ser(const struct enroll_req * req,
buffer_t buf)
{
enroll_req_msg_t * msg;
ssize_t sz;
msg = enroll_req_s_to_msg(req);
if (msg == NULL)
goto fail_msg;
sz = enroll_req_msg__get_packed_size(msg);
if (sz < 0 || (size_t) sz > buf.len)
goto fail_pack;
enroll_req_msg__pack(msg, buf.data);
enroll_req_msg__free_unpacked(msg, NULL);
return sz;
fail_pack:
enroll_req_msg__free_unpacked(msg, NULL);
fail_msg:
return -1;
}
int enroll_req_des(struct enroll_req * req,
const buffer_t buf)
{
enroll_req_msg_t * msg;
msg = enroll_req_msg__unpack(NULL, buf.len, buf.data);
if (msg == NULL)
goto fail_unpack;
if (msg->id.len != ENROLL_ID_LEN)
goto fail_id;
*req = enroll_req_msg_to_s(msg);
enroll_req_msg__free_unpacked(msg, NULL);
return 0;
fail_id:
enroll_req_msg__free_unpacked(msg, NULL);
fail_unpack:
return -1;
}
ssize_t enroll_resp_ser(const struct enroll_resp * resp,
buffer_t buf)
{
enroll_resp_msg_t * msg;
ssize_t sz;
msg = enroll_resp_s_to_msg(resp);
if (msg == NULL)
goto fail_msg;
sz = enroll_resp_msg__get_packed_size(msg);
if (sz < 0 || (size_t) sz > buf.len)
goto fail_pack;
enroll_resp_msg__pack(msg, buf.data);
enroll_resp_msg__free_unpacked(msg, NULL);
return sz;
fail_pack:
enroll_resp_msg__free_unpacked(msg, NULL);
fail_msg:
return -1;
}
int enroll_resp_des(struct enroll_resp * resp,
const buffer_t buf)
{
enroll_resp_msg_t * msg;
msg = enroll_resp_msg__unpack(NULL, buf.len, buf.data);
if (msg == NULL)
return -1;
*resp = enroll_resp_msg_to_s(msg);
enroll_resp_msg__free_unpacked(msg, NULL);
return 0;
}
ssize_t enroll_ack_ser(const struct enroll_ack * ack,
buffer_t buf)
{
enroll_ack_msg_t * msg;
ssize_t sz;
msg = enroll_ack_s_to_msg(ack);
if (msg == NULL)
goto fail_msg;
sz = enroll_ack_msg__get_packed_size(msg);
if (sz < 0 || (size_t) sz > buf.len)
goto fail_pack;
enroll_ack_msg__pack(msg, buf.data);
enroll_ack_msg__free_unpacked(msg, NULL);
return sz;
fail_pack:
enroll_ack_msg__free_unpacked(msg, NULL);
fail_msg:
return -1;
}
int enroll_ack_des(struct enroll_ack * ack,
const buffer_t buf)
{
enroll_ack_msg_t * msg;
msg = enroll_ack_msg__unpack(NULL, buf.len, buf.data);
if (msg == NULL)
return -1;
*ack = enroll_ack_msg_to_s(msg);
enroll_ack_msg__free_unpacked(msg, NULL);
return 0;
}
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