openpgp-card-app/src/gpg_select.c
2018-03-05 21:51:57 +01:00

60 lines
1.7 KiB
C

/* Copyright 2017 Cedric Mesnil <cslashm@gmail.com>, Ledger SAS
*
* 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 "os.h"
#include "cx.h"
#include "gpg_types.h"
#include "gpg_api.h"
#include "gpg_vars.h"
const unsigned char C_MF[] = {0x3F, 0x00};
int gpg_apdu_select() {
int sw;
//MF
if ( (G_gpg_vstate.io_length == 2) &&
(os_memcmp(G_gpg_vstate.work.io_buffer, C_MF, G_gpg_vstate.io_length) == 0) ) {
gpg_io_discard(0);
sw = SW_OK;
}
//AID APP
else if ( (G_gpg_vstate.io_length == 6) &&
(os_memcmp(G_gpg_vstate.work.io_buffer, N_gpg_pstate->AID, G_gpg_vstate.io_length) == 0) ) {
G_gpg_vstate.DO_current = 0;
G_gpg_vstate.DO_reccord = 0;
G_gpg_vstate.DO_offset = 0;
if ( G_gpg_vstate.selected == 0) {
G_gpg_vstate.verified_pin[0] = 0;
G_gpg_vstate.verified_pin[1] = 0;
G_gpg_vstate.verified_pin[2] = 0;
G_gpg_vstate.verified_pin[3] = 0;
G_gpg_vstate.verified_pin[4] = 0;
}
gpg_io_discard(0);
if (N_gpg_pstate->histo[7] != 0x07) {
THROW(SW_STATE_TERMINATED);
}
sw = SW_OK;
}
//NOT FOUND
else {
THROW(SW_FILE_NOT_FOUND);
return SW_FILE_NOT_FOUND;
}
return sw;
}