pico-hsm/src/hsm/cmd_delete_file.c
Pol Henarejos 35d5d5e94e
Use search_file() method.
Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
2024-04-17 19:19:45 +02:00

45 lines
1.4 KiB
C

/*
* This file is part of the Pico HSM distribution (https://github.com/polhenarejos/pico-hsm).
* 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 "sc_hsm.h"
int cmd_delete_file() {
file_t *ef = NULL;
if (!isUserAuthenticated) {
return SW_SECURITY_STATUS_NOT_SATISFIED();
}
if (apdu.nc == 0) {
ef = currentEF;
if (!(ef = search_file(ef->fid))) {
return SW_FILE_NOT_FOUND();
}
}
else {
uint16_t fid = (apdu.data[0] << 8) | apdu.data[1];
if (!(ef = search_file(fid))) {
return SW_FILE_NOT_FOUND();
}
}
if (!authenticate_action(ef, ACL_OP_DELETE_SELF)) {
return SW_SECURITY_STATUS_NOT_SATISFIED();
}
if (delete_file(ef) != CCID_OK) {
return SW_EXEC_ERROR();
}
return SW_OK();
}