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Refactor CTAP2 file structure.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-09-15 14:16:12 +02:00
parent 82b5b1cb96
commit 3873303309
12 changed files with 708 additions and 1 deletions
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78
src/fido/cbor_get_info.c Normal file
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/*
* This file is part of the Pico FIDO distribution (https://github.com/polhenarejos/pico-fido).
* Copyright (c) 2022 Pol Henarejos.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, version 3.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "ctap2_cbor.h"
#include "fido.h"
#include "ctap.h"
#include "files.h"
int cbor_get_info() {
CborEncoder encoder, mapEncoder, arrayEncoder;
CborError error = CborNoError;
cbor_encoder_init(&encoder, ctap_resp->init.data + 1, CTAP_MAX_PACKET_SIZE, 0);
CBOR_CHECK(cbor_encoder_create_map(&encoder, &mapEncoder, 7));
CBOR_CHECK(cbor_encode_uint(&mapEncoder, 0x01));
CBOR_CHECK(cbor_encoder_create_array(&mapEncoder, &arrayEncoder, 2));
CBOR_CHECK(cbor_encode_text_stringz(&arrayEncoder, "U2F_V2"));
CBOR_CHECK(cbor_encode_text_stringz(&arrayEncoder, "FIDO_2_0"));
CBOR_CHECK(cbor_encoder_close_container(&mapEncoder, &arrayEncoder));
CBOR_CHECK(cbor_encode_uint(&mapEncoder, 0x02));
CBOR_CHECK(cbor_encoder_create_array(&mapEncoder, &arrayEncoder, 1));
CBOR_CHECK(cbor_encode_text_stringz(&arrayEncoder, "hmac-secret"));
CBOR_CHECK(cbor_encoder_close_container(&mapEncoder, &arrayEncoder));
CBOR_CHECK(cbor_encode_uint(&mapEncoder, 0x03));
CBOR_CHECK(cbor_encode_byte_string(&mapEncoder, aaguid, sizeof(aaguid)));
CBOR_CHECK(cbor_encode_uint(&mapEncoder, 0x04));
CBOR_CHECK(cbor_encoder_create_map(&mapEncoder, &arrayEncoder, 5));
CBOR_CHECK(cbor_encode_text_stringz(&arrayEncoder, "rk"));
CBOR_CHECK(cbor_encode_boolean(&arrayEncoder, true));
CBOR_CHECK(cbor_encode_text_stringz(&arrayEncoder, "clientPin"));
if (file_has_data(ef_pin))
CBOR_CHECK(cbor_encode_boolean(&arrayEncoder, true));
else
CBOR_CHECK(cbor_encode_boolean(&arrayEncoder, false));
CBOR_CHECK(cbor_encode_text_stringz(&arrayEncoder, "pinUvAuthToken"));
CBOR_CHECK(cbor_encode_boolean(&arrayEncoder, true));
CBOR_CHECK(cbor_encode_text_stringz(&arrayEncoder, "authnrCfg"));
CBOR_CHECK(cbor_encode_boolean(&arrayEncoder, true));
CBOR_CHECK(cbor_encode_text_stringz(&arrayEncoder, "credMgmt"));
CBOR_CHECK(cbor_encode_boolean(&arrayEncoder, true));
CBOR_CHECK(cbor_encoder_close_container(&mapEncoder, &arrayEncoder));
CBOR_CHECK(cbor_encode_uint(&mapEncoder, 0x06));
CBOR_CHECK(cbor_encoder_create_array(&mapEncoder, &arrayEncoder, 1));
CBOR_CHECK(cbor_encode_uint(&arrayEncoder, 1)); // PIN protocols
CBOR_CHECK(cbor_encoder_close_container(&mapEncoder, &arrayEncoder));
CBOR_CHECK(cbor_encode_uint(&mapEncoder, 0x07));
CBOR_CHECK(cbor_encode_uint(&mapEncoder, 10)); // MAX_CRED_COUNT_IN_LIST
CBOR_CHECK(cbor_encode_uint(&mapEncoder, 0x08));
CBOR_CHECK(cbor_encode_uint(&mapEncoder, 1024)); // CRED_ID_MAX_LENGTH
CBOR_CHECK(cbor_encoder_close_container(&encoder, &mapEncoder));
err:
if (error != CborNoError)
return -CTAP2_ERR_INVALID_CBOR;
size_t rs = cbor_encoder_get_buffer_size(&encoder, ctap_resp->init.data + 1);
driver_exec_finished(rs + 1);
return 0;
}