92 lines
2.6 KiB
C
92 lines
2.6 KiB
C
/*
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* gcns.c: A reader of Italian healtcare smartcards with libopensc
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*
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* Copyright (C) 2022 Giovan Battista Rolandi <giomba@linux.it>
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* based on previous work by
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* Copyright (C) 2001 Juha Yrjölä <juha.yrjola@iki.fi>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but 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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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "gcns.h"
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#include "libopensc/asn1.h"
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#include "tools/util.h"
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static int opt_wait = 0;
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static const char *opt_reader = NULL;
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static sc_context_t *ctx = NULL;
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static sc_card_t *card = NULL;
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sc_context_param_t ctx_param;
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int gcns_init() {
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int r, err = 0;
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int lcycle = SC_CARDCTRL_LIFECYCLE_ADMIN;
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memset(&ctx_param, 0, sizeof(ctx_param));
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ctx_param.ver = 0;
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r = sc_context_create(&ctx, &ctx_param);
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if (r) {
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fprintf(stderr, "Failed to establish context: %s\n", sc_strerror(r));
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return GCNS_INIT;
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}
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ctx->flags |= SC_CTX_FLAG_ENABLE_DEFAULT_DRIVER;
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err = util_connect_card_ex(ctx, &card, opt_reader, opt_wait, 0, 0);
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if (err) {
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return GCNS_INIT;
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}
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r = sc_lock(card);
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if (r == SC_SUCCESS)
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r = sc_card_ctl(card, SC_CARDCTL_LIFECYCLE_SET, &lcycle);
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sc_unlock(card);
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if (r && r != SC_ERROR_NOT_SUPPORTED) {
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fprintf(stderr, "unable to change lifecycle: %s\n", sc_strerror(r));
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return GCNS_INIT;
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}
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return GCNS_SUCCESS;
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}
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int gcns_close() {
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if (card) {
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sc_disconnect_card(card);
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}
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if (ctx) sc_release_context(ctx);
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return GCNS_SUCCESS;
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}
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int gcns_read_personal_data(u8 *buffer, size_t len) {
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sc_path_t path;
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int r;
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sc_format_path("3F0011001102", &path);
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r = sc_select_file(card, &path, NULL);
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if (r) {
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fprintf(stderr, "no select file: 3F0011001102\n");
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return GCNS_READ_PERSONAL_DATA;
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}
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r = sc_read_binary(card, 0, buffer, 0x180, 0);
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if (r < 0) {
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fprintf(stderr, "no read binary: %d\n", r);
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return GCNS_READ_PERSONAL_DATA;
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}
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return r;
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}
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