111 lines
3.3 KiB
C
111 lines
3.3 KiB
C
/*
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* This file is part of the Pico Keys SDK distribution (https://github.com/polhenarejos/pico-keys-sdk).
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* Copyright (c) 2022 Pol Henarejos.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _APDU_H_
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#define _APDU_H_
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#include <stdlib.h>
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#if !defined(ENABLE_EMULATION) && !defined(ESP_PLATFORM)
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#include "pico/stdlib.h"
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#endif
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#include "compat.h"
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#include <stdio.h>
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#include <inttypes.h>
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typedef struct app {
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const uint8_t *aid;
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int (*process_apdu)();
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int (*select_aid)(struct app *);
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int (*unload)();
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} app_t;
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extern int register_app(int (*)(app_t *), const uint8_t *);
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typedef struct cmd {
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uint8_t ins;
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int (*cmd_handler)();
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} cmd_t;
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#if defined(DEBUG_APDU) && DEBUG_APDU == 1
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#define DEBUG_PAYLOAD(_p, _s) { \
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printf("Payload %s (%d bytes):\n", #_p, (int) (_s)); \
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for (int _i = 0; _i < _s; _i += 16) { \
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printf("%" PRIxPTR "h : ", (uintptr_t) (_i + _p)); \
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for (int _j = 0; _j < 16; _j++) { \
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if (_j < _s - _i) printf("%02X ", (_p)[_i + _j]); \
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else printf(" "); \
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if (_j == 7) printf(" "); \
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} printf(": "); \
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for (int _j = 0; _j < 16; _j++) { \
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if (_j < _s - _i && (_p)[_i + _j] > 32 && (_p)[_i + _j] != 127 && (_p)[_i + _j] < 176) printf("%c", (_p)[_i + _j]); \
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else printf(" "); \
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if (_j == 7) printf(" "); \
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} \
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printf("\n"); \
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} printf("\n"); \
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}
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#define DEBUG_DATA(_p, _s) \
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{ \
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printf("Data %s (%d bytes):\n", #_p, (int) (_s)); \
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char *tmp = (char *) calloc(1, 2 * _s + 1); \
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for (int _i = 0; _i < _s; _i++) \
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{ \
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sprintf(&tmp[2 * _i], "%02X", (_p)[_i]); \
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} \
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printf("%s\n", tmp); \
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free(tmp); \
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}
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#else
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#define DEBUG_PAYLOAD(_p, _s)
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#define DEBUG_DATA(_p, _s)
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#endif
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extern uint8_t num_apps;
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extern app_t apps[4];
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extern app_t *current_app;
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PACK(struct apdu {
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uint8_t *header;
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uint32_t nc;
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uint32_t ne;
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uint8_t *data;
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uint16_t sw;
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uint8_t *rdata;
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uint16_t rlen;
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});
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#define CLA(a) a.header[0]
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#define INS(a) a.header[1]
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#define P1(a) a.header[2]
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#define P2(a) a.header[3]
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#define res_APDU (apdu.rdata)
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#define res_APDU_size (apdu.rlen)
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extern struct apdu apdu;
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extern uint16_t set_res_sw(uint8_t sw1, uint8_t sw2);
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extern int process_apdu();
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extern uint16_t apdu_process(uint8_t, const uint8_t *buffer, uint16_t buffer_size);
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extern void apdu_finish();
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extern uint16_t apdu_next();
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extern void apdu_thread();
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#endif
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