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Adding cred_mgmt. Not finished.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
This commit is contained in:
Pol Henarejos
2022-09-28 17:48:47 +02:00
parent cc0a181f75
commit 1e7d711c03
4 changed files with 243 additions and 1 deletions
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36
src/fido/credential.c
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@@ -234,12 +234,46 @@ int credential_store(const uint8_t *cred_id, size_t cred_id_len, const uint8_t *
}
if (sloti == -1)
return -1;
credential_free(&cred);
uint8_t *data = (uint8_t *)calloc(1, cred_id_len+32);
memcpy(data, rp_id_hash, 32);
memcpy(data + 32, cred_id, cred_id_len);
file_t *ef = file_new(EF_CRED+sloti);
flash_write_data_to_file(ef, data, cred_id_len + 32);
free(data);
sloti = -1;
for (int i = 0; i < MAX_RESIDENT_CREDENTIALS; i++) {
ef = search_dynamic_file(EF_RP + i);
if (!file_has_data(ef)) {
if (sloti == -1)
sloti = i;
continue;
}
if (memcmp(file_get_data(ef)+1, rp_id_hash, 32) == 0) {
sloti = i;
break;
}
}
if (sloti == -1)
return -1;
ef = search_dynamic_file(EF_RP + sloti);
if (file_has_data(ef)) {
data = (uint8_t *)calloc(1, file_get_size(ef));
memcpy(data, file_get_data(ef), file_get_size(ef));
data[0] += 1;
flash_write_data_to_file(ef, data, file_get_size(ef));
free(data);
}
else {
ef = file_new(EF_RP+sloti);
data = (uint8_t *)calloc(1, 1 + 32 + cred.rpId.len);
data[0] = 0;
memcpy(data+1, rp_id_hash, 32);
memcpy(data + 1 + 32, cred.rpId.data, cred.rpId.len);
flash_write_data_to_file(ef, data, 1 + 32 + cred.rpId.len);
free(data);
}
credential_free(&cred);
low_flash_available();
return 0;
}