1588 lines
45 KiB
C
1588 lines
45 KiB
C
/*
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* card-cardos.c: Support for CardOS (from Siemens or Atos) based cards and
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* tokens (for example Aladdin eToken PRO, Eutron CryptoIdentity IT-SEC)
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*
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* Copyright (c) 2005 Nils Larsch <nils@larsch.net>
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* Copyright (C) 2002 Andreas Jellinghaus <aj@dungeon.inka.de>
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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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#if HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <ctype.h>
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#include <string.h>
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#include <stdlib.h>
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#include "internal.h"
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#include "asn1.h"
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#include "cardctl.h"
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static const struct sc_card_operations *iso_ops = NULL;
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static struct sc_card_operations cardos_ops;
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static struct sc_card_driver cardos_drv = {
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"Siemens CardOS",
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"cardos",
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&cardos_ops,
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NULL, 0, NULL
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};
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static const struct sc_atr_table cardos_atrs[] = {
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/* 4.0 */
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{ "3b:e2:00:ff:c1:10:31:fe:55:c8:02:9c", NULL, NULL, SC_CARD_TYPE_CARDOS_GENERIC, 0, NULL },
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/* cardos m4.2 and above */
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{ "3b:f2:18:00:ff:c1:0a:31:fe:55:c8:06:8a", "ff:ff:0f:ff:00:ff:00:ff:ff:00:00:00:00", NULL, SC_CARD_TYPE_CARDOS_M4_2, 0, NULL },
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/* CardOS 4.4 */
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{ "3b:d2:18:02:c1:0a:31:fe:58:c8:0d:51", NULL, NULL, SC_CARD_TYPE_CARDOS_M4_4, 0, NULL},
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/* CardOS v5.0 */
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{ "3b:d2:18:00:81:31:fe:58:c9:01:14", NULL, NULL, SC_CARD_TYPE_CARDOS_V5_0, 0, NULL},
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/* CardOS v5.3 */
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{ "3b:d2:18:00:81:31:fe:58:c9:02:17", NULL, NULL, SC_CARD_TYPE_CARDOS_V5_3, 0, NULL},
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{ "3b:d2:18:00:81:31:fe:58:c9:03:16", NULL, NULL, SC_CARD_TYPE_CARDOS_V5_3, 0, NULL},
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/* CardOS v5.4 */
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{ "3b:d2:18:00:81:31:fe:58:c9:04:11", NULL, NULL, SC_CARD_TYPE_CARDOS_V5_3, 0, NULL},
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{ NULL, NULL, NULL, 0, 0, NULL }
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};
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/* private data for cardos driver */
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typedef struct cardos_data {
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/* constructed internally */
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unsigned int algorithm_ids_in_tokeninfo[SC_MAX_SUPPORTED_ALGORITHMS];
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unsigned int algorithm_ids_in_tokeninfo_count;
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unsigned long flags; /* flags used by init to create sc_algorithms */
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unsigned long ec_flags;
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unsigned long ext_flags;
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int rsa_2048;
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const sc_security_env_t * sec_env;
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} cardos_data_t;
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/* copied from iso7816.c */
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static void fixup_transceive_length(const struct sc_card *card,
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struct sc_apdu *apdu)
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{
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if (card == NULL || apdu == NULL) {
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return;
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}
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if (apdu->lc > sc_get_max_send_size(card)) {
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/* The lower layers will automatically do chaining */
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apdu->flags |= SC_APDU_FLAGS_CHAINING;
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}
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if (apdu->le > sc_get_max_recv_size(card)) {
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/* The lower layers will automatically do a GET RESPONSE, if possible.
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* All other workarounds must be carried out by the upper layers. */
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apdu->le = sc_get_max_recv_size(card);
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}
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}
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static int cardos_match_card(sc_card_t *card)
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{
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unsigned char atr[SC_MAX_ATR_SIZE];
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int i;
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i = _sc_match_atr(card, cardos_atrs, &card->type);
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if (i < 0)
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return 0;
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memcpy(atr, card->atr.value, sizeof(atr));
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/* Do not change card type for CIE! */
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if (card->type == SC_CARD_TYPE_CARDOS_CIE_V1)
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return 1;
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if (card->type == SC_CARD_TYPE_CARDOS_M4_4)
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return 1;
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if (card->type == SC_CARD_TYPE_CARDOS_V5_0)
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return 1;
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if (card->type == SC_CARD_TYPE_CARDOS_V5_3)
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return 1;
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if (card->type == SC_CARD_TYPE_CARDOS_M4_2) {
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int rv;
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sc_apdu_t apdu;
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u8 rbuf[SC_MAX_APDU_BUFFER_SIZE];
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/* first check some additional ATR bytes */
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if ((atr[4] != 0xff && atr[4] != 0x02) ||
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(atr[6] != 0x10 && atr[6] != 0x0a) ||
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(atr[9] != 0x55 && atr[9] != 0x58))
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return 0;
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/* get the os version using GET DATA and compare it with
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* version in the ATR */
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sc_log(card->ctx, "checking cardos version ...");
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sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0xca, 0x01, 0x82);
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apdu.resp = rbuf;
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apdu.resplen = sizeof(rbuf);
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apdu.le = 256;
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apdu.lc = 0;
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rv = sc_transmit_apdu(card, &apdu);
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LOG_TEST_RET(card->ctx, rv, "APDU transmit failed");
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if (apdu.sw1 != 0x90 || apdu.sw2 != 0x00)
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return 0;
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if (apdu.resp[0] != atr[10] ||
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apdu.resp[1] != atr[11])
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/* version mismatch */
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return 0;
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if (atr[11] <= 0x04) {
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sc_log(card->ctx, "found cardos m4.01");
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card->type = SC_CARD_TYPE_CARDOS_M4_01;
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} else if (atr[11] == 0x08) {
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sc_log(card->ctx, "found cardos v4.3b");
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card->type = SC_CARD_TYPE_CARDOS_M4_3;
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} else if (atr[11] == 0x09) {
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sc_log(card->ctx, "found cardos v4.2b");
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card->type = SC_CARD_TYPE_CARDOS_M4_2B;
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} else if (atr[11] >= 0x0B) {
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sc_log(card->ctx, "found cardos v4.2c or higher");
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card->type = SC_CARD_TYPE_CARDOS_M4_2C;
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} else {
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sc_log(card->ctx, "found cardos m4.2");
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}
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}
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return 1;
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}
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static int cardos_have_2048bit_package(sc_card_t *card)
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{
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sc_apdu_t apdu;
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u8 rbuf[SC_MAX_APDU_BUFFER_SIZE];
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int r;
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const u8 *p = rbuf, *q, *pp;
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size_t len, tlen = 0, ilen = 0;
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sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0xca, 0x01, 0x88);
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apdu.resp = rbuf;
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apdu.resplen = sizeof(rbuf);
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apdu.lc = 0;
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apdu.le = 256;
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r = sc_transmit_apdu(card, &apdu);
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LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
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if ((len = apdu.resplen) == 0)
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/* looks like no package has been installed */
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return 0;
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while (len != 0) {
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pp = sc_asn1_find_tag(card->ctx, p, len, 0xe1, &tlen);
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if (pp == NULL)
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return 0;
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q = sc_asn1_find_tag(card->ctx, pp, tlen, 0x01, &ilen);
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if (q == NULL || ilen != 4)
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return 0;
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if (q[0] == 0x1c)
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return 1;
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p += tlen;
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len -= tlen + 2;
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}
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return 0;
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}
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/* Called from cardos_init for old cards, from cardos_cardctl_parsed_token_info for new cards */
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/* TODO see if works from old cards too */
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static int cardos_add_algs(sc_card_t *card, unsigned long flags, unsigned long ec_flags, unsigned long ext_flags)
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{
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cardos_data_t * priv = (cardos_data_t *)card->drv_data;
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SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
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_sc_card_add_rsa_alg(card, 512, flags, 0);
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_sc_card_add_rsa_alg(card, 768, flags, 0);
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_sc_card_add_rsa_alg(card, 1024, flags, 0);
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if (priv->rsa_2048 == 1) {
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_sc_card_add_rsa_alg(card, 1280, flags, 0);
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_sc_card_add_rsa_alg(card, 1536, flags, 0);
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_sc_card_add_rsa_alg(card, 1792, flags, 0);
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_sc_card_add_rsa_alg(card, 2048, flags, 0);
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}
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if (card->type == SC_CARD_TYPE_CARDOS_V5_0 || card->type == SC_CARD_TYPE_CARDOS_V5_3) {
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/* Starting with CardOS 5, the card supports PIN query commands */
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card->caps |= SC_CARD_CAP_ISO7816_PIN_INFO;
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_sc_card_add_rsa_alg(card, 3072, flags, 0);
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_sc_card_add_rsa_alg(card, 4096, flags, 0);
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}
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/* TODO need to get sizes from supported_algos too */
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if (ec_flags != 0) {
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_sc_card_add_ec_alg(card, 256, ec_flags, priv->ext_flags, NULL);
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_sc_card_add_ec_alg(card, 384, ec_flags, priv->ext_flags, NULL);
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}
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return 0;
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}
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static int cardos_init(sc_card_t *card)
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{
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cardos_data_t * priv = NULL;
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unsigned long flags = 0;
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size_t data_field_length;
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sc_apdu_t apdu;
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u8 rbuf[2];
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int r;
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SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
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priv = calloc(1, sizeof(cardos_data_t));
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if (!priv)
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LOG_FUNC_RETURN(card->ctx, SC_ERROR_OUT_OF_MEMORY);
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card->drv_data = priv;
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card->name = "Atos CardOS";
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card->cla = 0x00;
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/* let user override flags and type from opensc.conf */
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/* user can override card->type too.*/
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if (card->flags) {
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flags = card->flags;
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} else {
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/* Set up algorithm info. */
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flags = 0;
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if (card->type == SC_CARD_TYPE_CARDOS_V5_0) {
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flags |= SC_ALGORITHM_RSA_PAD_PKCS1;
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} else if(card->type == SC_CARD_TYPE_CARDOS_V5_3) {
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flags |= SC_ALGORITHM_RSA_RAW
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| SC_ALGORITHM_RSA_HASH_NONE
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| SC_ALGORITHM_ONBOARD_KEY_GEN;
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} else {
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flags |= SC_ALGORITHM_RSA_RAW
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| SC_ALGORITHM_RSA_HASH_NONE
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| SC_ALGORITHM_NEED_USAGE
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| SC_ALGORITHM_ONBOARD_KEY_GEN;
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}
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}
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priv->flags = flags;
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if (card->type == SC_CARD_TYPE_CARDOS_M4_2) {
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r = cardos_have_2048bit_package(card);
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if (r < 0) {
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r = SC_ERROR_INVALID_CARD;
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goto err;
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}
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if (r == 1)
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priv->rsa_2048 = 1;
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card->caps |= SC_CARD_CAP_APDU_EXT;
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} else if (card->type == SC_CARD_TYPE_CARDOS_M4_3
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|| card->type == SC_CARD_TYPE_CARDOS_M4_2B
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|| card->type == SC_CARD_TYPE_CARDOS_M4_2C
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|| card->type == SC_CARD_TYPE_CARDOS_M4_4
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|| card->type == SC_CARD_TYPE_CARDOS_V5_0
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|| card->type == SC_CARD_TYPE_CARDOS_V5_3) {
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priv->rsa_2048 = 1;
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card->caps |= SC_CARD_CAP_APDU_EXT;
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/* TODO check this. EC only if in supported_algo */
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priv->ext_flags = SC_ALGORITHM_EXT_EC_NAMEDCURVE | SC_ALGORITHM_EXT_EC_UNCOMPRESES;
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}
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/* probe DATA FIELD LENGTH with GET DATA */
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sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0xca, 0x01, 0x8D);
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apdu.le = sizeof rbuf;
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apdu.resp = rbuf;
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apdu.resplen = sizeof(rbuf);
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r = sc_transmit_apdu(card, &apdu);
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if (r < 0)
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LOG_TEST_GOTO_ERR(card->ctx,
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SC_ERROR_INVALID_CARD,
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"APDU transmit failed");
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r = sc_check_sw(card, apdu.sw1, apdu.sw2);
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if (r < 0)
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LOG_TEST_GOTO_ERR(card->ctx,
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SC_ERROR_INVALID_CARD,
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"GET DATA command returned error");
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if (apdu.resplen != 2) {
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r = SC_ERROR_INVALID_CARD;
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goto err;
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}
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data_field_length = ((rbuf[0] << 8) | rbuf[1]);
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/* TODO is this really needed? strip the length of possible Lc and Le bytes */
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/* Use Min card sizes and reader too. for V5_3 at least*/
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if (card->type == SC_CARD_TYPE_CARDOS_V5_0 || card->type == SC_CARD_TYPE_CARDOS_V5_3) {
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sc_debug(card->ctx, SC_LOG_DEBUG_NORMAL, "data_field_length:%"SC_FORMAT_LEN_SIZE_T"u "
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"card->reader->max_send_size:%"SC_FORMAT_LEN_SIZE_T"u "
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"card->reader->max_recv_size:%"SC_FORMAT_LEN_SIZE_T"u %s",
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data_field_length, card->reader->max_send_size, card->reader->max_recv_size,
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(card->caps & SC_CARD_CAP_APDU_EXT) ? "SC_CARD_CAP_APDU_EXT" : " ");
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if (card->caps & SC_CARD_CAP_APDU_EXT) {
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card->max_send_size = data_field_length - 6;
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#ifdef _WIN32
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/* Windows does not support PCSC PART_10 and may have forced reader to 255/256
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* https://github.com/OpenSC/OpenSC/commit/eddea6f3c2d3dafc2c09eba6695c745a61b5186f
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* may have reset this. if so, will override and force extended
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* Most, if not all, cardos cards do extended, but not chaining
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*/
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if (card->reader->max_send_size == 255 && card->reader->max_recv_size == 256) {
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sc_debug(card->ctx, SC_LOG_DEBUG_VERBOSE, "resetting reader to use data_field_length");
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card->reader->max_send_size = data_field_length - 6;
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card->reader->max_recv_size = data_field_length - 3;
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}
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#endif
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} else
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card->max_send_size = data_field_length - 3;
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|
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card->max_send_size = sc_get_max_send_size(card); /* include reader sizes and protocol */
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card->max_recv_size = data_field_length - 2;
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card->max_recv_size = sc_get_max_recv_size(card);
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} else {
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/* old way, disregards reader capabilities */
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if (card->caps & SC_CARD_CAP_APDU_EXT)
|
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card->max_send_size = data_field_length - 6;
|
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else
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card->max_send_size = data_field_length - 3;
|
|
/* strip the length of SW bytes */
|
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card->max_recv_size = data_field_length - 2;
|
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}
|
|
|
|
/*for new cards, wait till after sc_pkcs15_bind_internal reads tokeninfo */
|
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if (card->type != SC_CARD_TYPE_CARDOS_V5_0 && card->type != SC_CARD_TYPE_CARDOS_V5_3) {
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r = cardos_add_algs(card, flags, 0, 0);
|
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}
|
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|
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err:
|
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if (r != SC_SUCCESS) {
|
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free(priv);
|
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card->drv_data = NULL;
|
|
}
|
|
|
|
return r;
|
|
}
|
|
|
|
static int cardos_pass_algo_flags(sc_card_t *card, struct sc_cardctl_cardos_pass_algo_flags * ptr)
|
|
{
|
|
cardos_data_t * priv = (cardos_data_t *)card->drv_data;
|
|
int r = 0;
|
|
|
|
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
|
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switch (ptr->pass) {
|
|
case 1:
|
|
ptr->card_flags = card->flags;
|
|
ptr->used_flags = priv->flags;
|
|
ptr->ec_flags = priv->ec_flags;
|
|
ptr->ext_flags = priv->ext_flags;
|
|
break;
|
|
case 2:
|
|
r = cardos_add_algs(card,ptr->new_flags, ptr->ec_flags, ptr->ext_flags);
|
|
break;
|
|
default:
|
|
sc_log(card->ctx, "ptr->pass: %ul invalid", ptr->pass);
|
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r = SC_ERROR_INTERNAL;
|
|
}
|
|
LOG_FUNC_RETURN(card->ctx, r);
|
|
}
|
|
|
|
|
|
static int cardos_finish(sc_card_t *card)
|
|
{
|
|
int r = 0;
|
|
|
|
if (card == NULL )
|
|
return 0;
|
|
|
|
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
|
|
|
|
/* free priv data */
|
|
if (card->drv_data) { /* priv */
|
|
free(card->drv_data);
|
|
card->drv_data = NULL;
|
|
}
|
|
|
|
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_VERBOSE, r);
|
|
}
|
|
|
|
|
|
|
|
static const struct sc_card_error cardos_errors[] = {
|
|
/* some error inside the card */
|
|
/* i.e. nothing you can do */
|
|
{ 0x6581, SC_ERROR_MEMORY_FAILURE, "EEPROM error; command aborted"},
|
|
{ 0x6fff, SC_ERROR_CARD_CMD_FAILED, "internal assertion error"},
|
|
{ 0x6700, SC_ERROR_WRONG_LENGTH, "LC invalid"},
|
|
{ 0x6985, SC_ERROR_CARD_CMD_FAILED, "no random number available"},
|
|
{ 0x6f81, SC_ERROR_CARD_CMD_FAILED, "file invalid, maybe checksum error"},
|
|
{ 0x6f82, SC_ERROR_CARD_CMD_FAILED, "not enough memory in xram"},
|
|
{ 0x6f84, SC_ERROR_CARD_CMD_FAILED, "general protection fault"},
|
|
|
|
/* the card doesn't know this combination of ins+cla+p1+p2 */
|
|
/* i.e. command will never work */
|
|
{ 0x6881, SC_ERROR_NO_CARD_SUPPORT, "logical channel not supported"},
|
|
{ 0x6a86, SC_ERROR_INCORRECT_PARAMETERS,"p1/p2 invalid"},
|
|
{ 0x6d00, SC_ERROR_INS_NOT_SUPPORTED, "ins invalid"},
|
|
{ 0x6e00, SC_ERROR_CLASS_NOT_SUPPORTED, "class invalid (hi nibble)"},
|
|
|
|
/* known command, but incorrectly used */
|
|
/* i.e. command could work, but you need to change something */
|
|
{ 0x6981, SC_ERROR_CARD_CMD_FAILED, "command cannot be used for file structure"},
|
|
{ 0x6a80, SC_ERROR_INCORRECT_PARAMETERS,"invalid parameters in data field"},
|
|
{ 0x6a81, SC_ERROR_NOT_SUPPORTED, "function/mode not supported"},
|
|
{ 0x6a85, SC_ERROR_INCORRECT_PARAMETERS,"lc does not fit the tlv structure"},
|
|
{ 0x6986, SC_ERROR_INCORRECT_PARAMETERS,"no current ef selected"},
|
|
{ 0x6a87, SC_ERROR_INCORRECT_PARAMETERS,"lc does not fit p1/p2"},
|
|
{ 0x6c00, SC_ERROR_WRONG_LENGTH, "le does not fit the data to be sent"},
|
|
{ 0x6f83, SC_ERROR_CARD_CMD_FAILED, "command must not be used in transaction"},
|
|
|
|
/* (something) not found */
|
|
{ 0x6987, SC_ERROR_INCORRECT_PARAMETERS,"key object for sm not found"},
|
|
{ 0x6f86, SC_ERROR_CARD_CMD_FAILED, "key object not found"},
|
|
{ 0x6a82, SC_ERROR_FILE_NOT_FOUND, "file not found"},
|
|
{ 0x6a83, SC_ERROR_RECORD_NOT_FOUND, "record not found"},
|
|
{ 0x6a88, SC_ERROR_CARD_CMD_FAILED, "object not found"},
|
|
|
|
/* (something) invalid */
|
|
{ 0x6884, SC_ERROR_CARD_CMD_FAILED, "chaining error"},
|
|
{ 0x6984, SC_ERROR_CARD_CMD_FAILED, "bs object has invalid format"},
|
|
{ 0x6988, SC_ERROR_INCORRECT_PARAMETERS,"key object used for sm has invalid format"},
|
|
|
|
/* (something) deactivated */
|
|
{ 0x6283, SC_ERROR_CARD_CMD_FAILED, "file is deactivated" },
|
|
{ 0x6983, SC_ERROR_AUTH_METHOD_BLOCKED, "bs object blocked"},
|
|
|
|
/* access denied */
|
|
{ 0x6300, SC_ERROR_SECURITY_STATUS_NOT_SATISFIED,"authentication failed"},
|
|
{ 0x6982, SC_ERROR_SECURITY_STATUS_NOT_SATISFIED,"required access right not granted"},
|
|
|
|
/* other errors */
|
|
{ 0x6a84, SC_ERROR_CARD_CMD_FAILED, "not enough memory"},
|
|
|
|
/* command ok, execution failed */
|
|
{ 0x6f00, SC_ERROR_CARD_CMD_FAILED, "technical error (see eToken developers guide)"},
|
|
|
|
/* no error, maybe a note */
|
|
{ 0x9000, SC_SUCCESS, NULL},
|
|
{ 0x9001, SC_SUCCESS, "success, but eeprom weakness detected"},
|
|
{ 0x9850, SC_SUCCESS, "over/underflow using in/decrease"}
|
|
};
|
|
|
|
static int cardos_check_sw(sc_card_t *card, unsigned int sw1, unsigned int sw2)
|
|
{
|
|
const int err_count = sizeof(cardos_errors)/sizeof(cardos_errors[0]);
|
|
int i;
|
|
|
|
for (i = 0; i < err_count; i++) {
|
|
if (cardos_errors[i].SWs == ((sw1 << 8) | sw2)) {
|
|
if ( cardos_errors[i].errorstr )
|
|
sc_log(card->ctx, "%s\n",
|
|
cardos_errors[i].errorstr);
|
|
return cardos_errors[i].errorno;
|
|
}
|
|
}
|
|
|
|
sc_log(card->ctx, "Unknown SWs; SW1=%02X, SW2=%02X\n", sw1, sw2);
|
|
return SC_ERROR_CARD_CMD_FAILED;
|
|
}
|
|
|
|
static int cardos_list_files(sc_card_t *card, u8 *buf, size_t buflen)
|
|
{
|
|
sc_apdu_t apdu;
|
|
u8 rbuf[256], offset = 0;
|
|
const u8 *p = rbuf, *q;
|
|
int r;
|
|
size_t fids = 0, len;
|
|
|
|
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
|
|
|
|
/* 0x16: DIRECTORY */
|
|
/* 0x02: list both DF and EF */
|
|
|
|
get_next_part:
|
|
sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0x16, 0x02, offset);
|
|
apdu.cla = 0x80;
|
|
apdu.le = 256;
|
|
apdu.resplen = 256;
|
|
apdu.resp = rbuf;
|
|
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
r = sc_check_sw(card, apdu.sw1, apdu.sw2);
|
|
LOG_TEST_RET(card->ctx, r, "DIRECTORY command returned error");
|
|
|
|
if (apdu.resplen > 256) {
|
|
sc_log(card->ctx, "directory listing > 256 bytes, cutting");
|
|
}
|
|
|
|
len = apdu.resplen;
|
|
while (len != 0) {
|
|
size_t tlen = 0, ilen = 0;
|
|
/* is there a file information block (0x6f) ? */
|
|
p = sc_asn1_find_tag(card->ctx, p, len, 0x6f, &tlen);
|
|
if (p == NULL) {
|
|
sc_log(card->ctx, "directory tag missing");
|
|
return SC_ERROR_INTERNAL;
|
|
}
|
|
if (tlen == 0)
|
|
/* empty directory */
|
|
break;
|
|
q = sc_asn1_find_tag(card->ctx, p, tlen, 0x86, &ilen);
|
|
if (q == NULL || ilen != 2) {
|
|
sc_log(card->ctx, "error parsing file id TLV object");
|
|
return SC_ERROR_INTERNAL;
|
|
}
|
|
/* put file id in buf */
|
|
if (buflen >= 2) {
|
|
buf[fids++] = q[0];
|
|
buf[fids++] = q[1];
|
|
buflen -= 2;
|
|
} else
|
|
/* not enough space left in buffer => break */
|
|
break;
|
|
/* extract next offset */
|
|
q = sc_asn1_find_tag(card->ctx, p, tlen, 0x8a, &ilen);
|
|
if (q != NULL && ilen == 1) {
|
|
offset = (u8)ilen;
|
|
goto get_next_part;
|
|
}
|
|
len -= tlen + 2;
|
|
p += tlen;
|
|
}
|
|
|
|
r = fids;
|
|
|
|
LOG_FUNC_RETURN(card->ctx, r);
|
|
}
|
|
|
|
static void add_acl_entry(sc_file_t *file, int op, u8 byte)
|
|
{
|
|
unsigned int method, key_ref = SC_AC_KEY_REF_NONE;
|
|
|
|
switch (byte) {
|
|
case 0x00:
|
|
method = SC_AC_NONE;
|
|
break;
|
|
case 0xFF:
|
|
method = SC_AC_NEVER;
|
|
break;
|
|
default:
|
|
if (byte > 0x7F) {
|
|
method = SC_AC_UNKNOWN;
|
|
} else {
|
|
method = SC_AC_CHV;
|
|
key_ref = byte;
|
|
}
|
|
break;
|
|
}
|
|
sc_file_add_acl_entry(file, op, method, key_ref);
|
|
}
|
|
|
|
static int acl_to_byte(const sc_acl_entry_t *e)
|
|
{
|
|
if (e != NULL) {
|
|
switch (e->method) {
|
|
case SC_AC_NONE:
|
|
return 0x00;
|
|
case SC_AC_NEVER:
|
|
return 0xFF;
|
|
case SC_AC_CHV:
|
|
case SC_AC_TERM:
|
|
case SC_AC_AUT:
|
|
if (e->key_ref == SC_AC_KEY_REF_NONE)
|
|
return -1;
|
|
if (e->key_ref > 0x7F)
|
|
return -1;
|
|
return e->key_ref;
|
|
}
|
|
}
|
|
return 0x00;
|
|
}
|
|
|
|
static const int df_acl[9] = {
|
|
-1, /* LCYCLE (life cycle change) */
|
|
SC_AC_OP_UPDATE, /* UPDATE Objects */
|
|
-1, /* APPEND Objects */
|
|
|
|
SC_AC_OP_INVALIDATE, /* DF */
|
|
SC_AC_OP_REHABILITATE, /* DF */
|
|
SC_AC_OP_DELETE, /* DF */
|
|
|
|
SC_AC_OP_UPDATE, /* ADMIN DF */
|
|
SC_AC_OP_CREATE, /* Files */
|
|
-1 /* Reserved */
|
|
};
|
|
static const int ef_acl[9] = {
|
|
SC_AC_OP_READ, /* Data */
|
|
SC_AC_OP_UPDATE, /* Data (write file content) */
|
|
SC_AC_OP_WRITE, /* */
|
|
|
|
SC_AC_OP_INVALIDATE, /* EF */
|
|
SC_AC_OP_REHABILITATE, /* EF */
|
|
SC_AC_OP_DELETE, /* (delete) EF */
|
|
|
|
/* XXX: ADMIN should be an ACL type of its own, or mapped
|
|
* to erase */
|
|
SC_AC_OP_UPDATE, /* ADMIN EF (modify meta information?) */
|
|
-1, /* INC (-> cyclic fixed files) */
|
|
-1 /* DEC */
|
|
};
|
|
|
|
static void parse_sec_attr(sc_file_t *file, const u8 *buf, size_t len)
|
|
{
|
|
size_t i;
|
|
const int *idx;
|
|
|
|
idx = (file->type == SC_FILE_TYPE_DF) ? df_acl : ef_acl;
|
|
|
|
/* acl defaults to 0xFF if unspecified */
|
|
for (i = 0; i < 9; i++)
|
|
if (idx[i] != -1)
|
|
add_acl_entry(file, idx[i], (u8)((i < len) ? buf[i] : 0xFF));
|
|
}
|
|
|
|
static int cardos_select_file(sc_card_t *card,
|
|
const sc_path_t *in_path,
|
|
sc_file_t **file)
|
|
{
|
|
int r;
|
|
|
|
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
|
|
r = iso_ops->select_file(card, in_path, file);
|
|
if (r >= 0 && file)
|
|
parse_sec_attr((*file), (*file)->sec_attr, (*file)->sec_attr_len);
|
|
LOG_FUNC_RETURN(card->ctx, r);
|
|
}
|
|
|
|
static int cardos_acl_to_bytes(sc_card_t *card, const sc_file_t *file,
|
|
u8 *buf, size_t *outlen)
|
|
{
|
|
int i, byte;
|
|
const int *idx;
|
|
|
|
if (buf == NULL || *outlen < 9)
|
|
return SC_ERROR_INVALID_ARGUMENTS;
|
|
|
|
idx = (file->type == SC_FILE_TYPE_DF) ? df_acl : ef_acl;
|
|
for (i = 0; i < 9; i++) {
|
|
if (idx[i] < 0)
|
|
byte = 0x00;
|
|
else
|
|
byte = acl_to_byte(sc_file_get_acl_entry(file, idx[i]));
|
|
if (byte < 0) {
|
|
sc_log(card->ctx, "Invalid ACL\n");
|
|
return SC_ERROR_INVALID_ARGUMENTS;
|
|
}
|
|
buf[i] = byte;
|
|
}
|
|
*outlen = 9;
|
|
|
|
return SC_SUCCESS;
|
|
}
|
|
|
|
static int cardos_set_file_attributes(sc_card_t *card, sc_file_t *file)
|
|
{
|
|
int r;
|
|
|
|
if (file->type_attr_len == 0) {
|
|
u8 type[3];
|
|
|
|
memset(type, 0, sizeof(type));
|
|
type[0] = 0x00;
|
|
switch (file->type) {
|
|
case SC_FILE_TYPE_WORKING_EF:
|
|
break;
|
|
case SC_FILE_TYPE_DF:
|
|
type[0] = 0x38;
|
|
break;
|
|
default:
|
|
return SC_ERROR_NOT_SUPPORTED;
|
|
}
|
|
if (file->type != SC_FILE_TYPE_DF) {
|
|
switch (file->ef_structure) {
|
|
case SC_FILE_EF_LINEAR_FIXED_TLV:
|
|
case SC_FILE_EF_LINEAR_VARIABLE:
|
|
case SC_FILE_EF_CYCLIC_TLV:
|
|
return SC_ERROR_NOT_SUPPORTED;
|
|
/* No idea what this means, but it
|
|
* seems to be required for key
|
|
* generation. */
|
|
case SC_FILE_EF_LINEAR_VARIABLE_TLV:
|
|
type[1] = 0xff;
|
|
/* fall through */
|
|
default:
|
|
type[0] |= file->ef_structure & 7;
|
|
break;
|
|
}
|
|
}
|
|
r = sc_file_set_type_attr(file, type, sizeof(type));
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
}
|
|
if (file->prop_attr_len == 0) {
|
|
u8 status[3];
|
|
|
|
status[0] = 0x01;
|
|
if (file->type == SC_FILE_TYPE_DF) {
|
|
status[1] = (file->size >> 8) & 0xFF;
|
|
status[2] = file->size & 0xFF;
|
|
} else {
|
|
status[1] = status[2] = 0x00; /* not used */
|
|
}
|
|
r = sc_file_set_prop_attr(file, status, sizeof(status));
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
}
|
|
if (file->sec_attr_len == 0) {
|
|
u8 acl[9];
|
|
size_t blen = sizeof(acl);
|
|
|
|
r = cardos_acl_to_bytes(card, file, acl, &blen);
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
r = sc_file_set_sec_attr(file, acl, blen);
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
}
|
|
return SC_SUCCESS;
|
|
}
|
|
|
|
/* newer versions of cardos seems to prefer the FCP */
|
|
static int cardos_construct_fcp(sc_card_t *card, const sc_file_t *file,
|
|
u8 *out, size_t *outlen)
|
|
{
|
|
u8 buf[64], *p = out;
|
|
size_t inlen = *outlen, len;
|
|
int r;
|
|
|
|
LOG_FUNC_CALLED(card->ctx);
|
|
|
|
if (out == NULL || inlen < 64)
|
|
return SC_ERROR_INVALID_ARGUMENTS;
|
|
/* add FCP tag */
|
|
*p++ = 0x62;
|
|
/* we will add the length later */
|
|
p++;
|
|
|
|
memset(buf, 0, sizeof(buf));
|
|
|
|
/* set the length */
|
|
buf[0] = (file->size >> 8) & 0xff;
|
|
buf[1] = file->size & 0xff;
|
|
if (file->type == SC_FILE_TYPE_DF)
|
|
r = sc_asn1_put_tag(0x81, buf, 2, p, 4, &p);
|
|
else
|
|
r = sc_asn1_put_tag(0x80, buf, 2, p, 4, &p);
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
/* set file type */
|
|
if (file->shareable != 0)
|
|
buf[0] = 0x40;
|
|
else
|
|
buf[0] = 0x00;
|
|
if (file->type == SC_FILE_TYPE_WORKING_EF) {
|
|
switch (file->ef_structure) {
|
|
case SC_FILE_EF_TRANSPARENT:
|
|
buf[0] |= 0x01;
|
|
break;
|
|
case SC_FILE_EF_LINEAR_VARIABLE_TLV:
|
|
buf[0] |= 0x05;
|
|
break;
|
|
case SC_FILE_EF_LINEAR_FIXED:
|
|
buf[0] |= 0x02;
|
|
buf[1] |= 0x21;
|
|
buf[2] |= 0x00;
|
|
buf[3] |= (u8) file->record_length;
|
|
buf[4] |= (u8) file->record_count;
|
|
break;
|
|
case SC_FILE_EF_CYCLIC:
|
|
buf[0] |= 0x06;
|
|
buf[1] |= 0x21;
|
|
buf[2] |= 0x00;
|
|
buf[3] |= (u8) file->record_length;
|
|
buf[4] |= (u8) file->record_count;
|
|
break;
|
|
default:
|
|
sc_log(card->ctx, "unknown EF type: %u", file->type);
|
|
return SC_ERROR_INVALID_ARGUMENTS;
|
|
}
|
|
if (file->ef_structure == SC_FILE_EF_CYCLIC ||
|
|
file->ef_structure == SC_FILE_EF_LINEAR_FIXED)
|
|
r = sc_asn1_put_tag(0x82, buf, 5, p, 8, &p);
|
|
else
|
|
r = sc_asn1_put_tag(0x82, buf, 1, p, 8, &p);
|
|
} else if (file->type == SC_FILE_TYPE_DF) {
|
|
buf[0] |= 0x38;
|
|
r = sc_asn1_put_tag(0x82, buf, 1, p, 8, &p);
|
|
} else
|
|
return SC_ERROR_NOT_SUPPORTED;
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
/* set file id */
|
|
buf[0] = (file->id >> 8) & 0xff;
|
|
buf[1] = file->id & 0xff;
|
|
r = sc_asn1_put_tag(0x83, buf, 2, p, 8, &p);
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
/* set aid (for DF only) */
|
|
if (file->type == SC_FILE_TYPE_DF && file->namelen != 0) {
|
|
r = sc_asn1_put_tag(0x84, file->name, file->namelen, p, 20, &p);
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
}
|
|
/* set proprietary file attributes */
|
|
buf[0] = 0x00; /* use default values */
|
|
if (file->type == SC_FILE_TYPE_DF)
|
|
r = sc_asn1_put_tag(0x85, buf, 1, p, 8, &p);
|
|
else {
|
|
buf[1] = 0x00;
|
|
buf[2] = 0x00;
|
|
r = sc_asn1_put_tag(0x85, buf, 1, p, 8, &p);
|
|
}
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
/* set ACs */
|
|
len = 9;
|
|
r = cardos_acl_to_bytes(card, file, buf, &len);
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
r = sc_asn1_put_tag(0x86, buf, len, p, 18, &p);
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
/* finally set the length of the FCP */
|
|
out[1] = p - out - 2;
|
|
|
|
*outlen = p - out;
|
|
|
|
return SC_SUCCESS;
|
|
}
|
|
|
|
static int cardos_create_file(sc_card_t *card, sc_file_t *file)
|
|
{
|
|
int r;
|
|
|
|
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
|
|
|
|
if (card->type == SC_CARD_TYPE_CARDOS_GENERIC ||
|
|
card->type == SC_CARD_TYPE_CARDOS_M4_01) {
|
|
r = cardos_set_file_attributes(card, file);
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
return iso_ops->create_file(card, file);
|
|
} else if (card->type == SC_CARD_TYPE_CARDOS_M4_2 ||
|
|
card->type == SC_CARD_TYPE_CARDOS_M4_3 ||
|
|
card->type == SC_CARD_TYPE_CARDOS_M4_2B ||
|
|
card->type == SC_CARD_TYPE_CARDOS_M4_2C ||
|
|
card->type == SC_CARD_TYPE_CARDOS_M4_4) {
|
|
u8 sbuf[SC_MAX_APDU_BUFFER_SIZE];
|
|
size_t len = sizeof(sbuf);
|
|
sc_apdu_t apdu;
|
|
|
|
r = cardos_construct_fcp(card, file, sbuf, &len);
|
|
if (r < 0) {
|
|
sc_log(card->ctx, "unable to create FCP");
|
|
return r;
|
|
}
|
|
|
|
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0xE0, 0x00, 0x00);
|
|
apdu.lc = len;
|
|
apdu.datalen = len;
|
|
apdu.data = sbuf;
|
|
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
|
|
return sc_check_sw(card, apdu.sw1, apdu.sw2);
|
|
} else
|
|
return SC_ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
/*
|
|
* Restore the indicated SE
|
|
*/
|
|
static int
|
|
cardos_restore_security_env(sc_card_t *card, int se_num)
|
|
{
|
|
sc_apdu_t apdu;
|
|
int r;
|
|
|
|
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
|
|
|
|
sc_format_apdu(card, &apdu, SC_APDU_CASE_1, 0x22, 0, se_num);
|
|
apdu.p1 = (card->type == SC_CARD_TYPE_CARDOS_CIE_V1 ? 0xF3 : 0x03);
|
|
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
|
|
r = sc_check_sw(card, apdu.sw1, apdu.sw2);
|
|
LOG_TEST_RET(card->ctx, r, "Card returned error");
|
|
|
|
LOG_FUNC_RETURN(card->ctx, r);
|
|
}
|
|
|
|
/*
|
|
* Set the security context
|
|
* Things get a little messy here. It seems you cannot do any
|
|
* crypto without a security environment - but there isn't really
|
|
* a way to specify the security environment in PKCS15.
|
|
* What I'm doing here (for now) is to assume that for a key
|
|
* object with ID 0xNN there is always a corresponding SE object
|
|
* with the same ID.
|
|
* XXX Need to find out how the Aladdin drivers do it.
|
|
*/
|
|
static int
|
|
cardos_set_security_env(sc_card_t *card,
|
|
const sc_security_env_t *env,
|
|
int se_num)
|
|
{
|
|
cardos_data_t* priv = (cardos_data_t*)card->drv_data;
|
|
sc_apdu_t apdu;
|
|
u8 data[9];
|
|
int key_id, r;
|
|
|
|
assert(card != NULL && env != NULL);
|
|
|
|
if (!(env->flags & SC_SEC_ENV_KEY_REF_PRESENT) || env->key_ref_len != 1) {
|
|
sc_log(card->ctx, "No or invalid key reference\n");
|
|
return SC_ERROR_INVALID_ARGUMENTS;
|
|
}
|
|
priv->sec_env = env; /* pass on to crypto routines */
|
|
|
|
/* key_ref includes card mechanism and key number
|
|
* But newer cards appear to get this some other way,
|
|
* We can use flags passed to know what OpenSC expects from the card
|
|
* and have derived what these machanisums are.
|
|
* Newer cards may change how this is done
|
|
*/
|
|
|
|
key_id = env->key_ref[0];
|
|
|
|
sc_format_apdu(card, &apdu, SC_APDU_CASE_3_SHORT, 0x22, 0, 0);
|
|
if (card->type == SC_CARD_TYPE_CARDOS_CIE_V1) {
|
|
cardos_restore_security_env(card, 0x30);
|
|
apdu.p1 = 0xF1;
|
|
} else {
|
|
apdu.p1 = 0x41;
|
|
}
|
|
switch (env->operation) {
|
|
case SC_SEC_OPERATION_DECIPHER:
|
|
apdu.p2 = 0xB8;
|
|
break;
|
|
case SC_SEC_OPERATION_SIGN:
|
|
apdu.p2 = 0xB6;
|
|
break;
|
|
default:
|
|
return SC_ERROR_INVALID_ARGUMENTS;
|
|
}
|
|
|
|
if (card->type == SC_CARD_TYPE_CARDOS_V5_0 || card->type == SC_CARD_TYPE_CARDOS_V5_3) {
|
|
/* some cards appear to have key_id be both Cryptographic mechanism reference 4 bits
|
|
* and key_ref 4 bits. But this limits card to 16 keys.
|
|
* TODO may need to be looked at at a later time
|
|
*/
|
|
/* Private key reference */
|
|
data[0] = 0x84;
|
|
data[1] = 0x01;
|
|
data[2] = key_id & 0x0F;
|
|
/* Usage qualifier byte */
|
|
data[3] = 0x95;
|
|
data[4] = 0x01;
|
|
data[5] = 0x40;
|
|
apdu.lc = apdu.datalen = 6;
|
|
if (key_id & 0xF0) {
|
|
/* Cryptographic mechanism reference */
|
|
data[6] = 0x80;
|
|
data[7] = 0x01;
|
|
data[8] = key_id & 0xF0;
|
|
apdu.lc = apdu.datalen = 9;
|
|
} else if (priv->sec_env->algorithm_flags & SC_ALGORITHM_RSA_PAD_PKCS1) {
|
|
/* TODO this may only apply to c903 cards */
|
|
/* TODO or only for cards without any supported_algos or EIDComplient only */
|
|
data[6] = 0x80;
|
|
data[7] = 0x01;
|
|
data[8] = 0x10;
|
|
apdu.lc = apdu.datalen = 9;
|
|
} else if (priv->sec_env->algorithm_flags & SC_ALGORITHM_ECDSA_RAW) {
|
|
data[6] = 0x80;
|
|
data[7] = 0x01;
|
|
data[8] = 0x30;
|
|
apdu.lc = apdu.datalen = 9;
|
|
}
|
|
} else {
|
|
data[0] = 0x83;
|
|
data[1] = 0x01;
|
|
data[2] = key_id;
|
|
apdu.lc = apdu.datalen = 3;
|
|
}
|
|
apdu.data = data;
|
|
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
|
|
r = sc_check_sw(card, apdu.sw1, apdu.sw2);
|
|
LOG_TEST_RET(card->ctx, r, "Card returned error");
|
|
|
|
do {
|
|
const struct sc_supported_algo_info* algorithm_info = env->supported_algos;
|
|
int i=0;
|
|
int algorithm_id_count = 0;
|
|
|
|
for(i=0;i<SC_MAX_SUPPORTED_ALGORITHMS;++i) {
|
|
struct sc_supported_algo_info alg = algorithm_info[i];
|
|
|
|
if(alg.operations & SC_PKCS15_ALGO_OP_COMPUTE_SIGNATURE) {
|
|
unsigned int algorithm_id = alg.algo_ref;
|
|
|
|
sc_log(card->ctx, "is signature");
|
|
sc_log(card->ctx, "Adding ID %d at index %d", algorithm_id, algorithm_id_count);
|
|
priv->algorithm_ids_in_tokeninfo[algorithm_id_count++] = algorithm_id;
|
|
}
|
|
sc_log(card->ctx, "reference=%d, mechanism=%d, operations=%d, algo_ref=%d",
|
|
alg.reference, alg.mechanism, alg.operations, alg.algo_ref);
|
|
}
|
|
priv -> algorithm_ids_in_tokeninfo_count = algorithm_id_count;
|
|
} while (0);
|
|
|
|
LOG_FUNC_RETURN(card->ctx, r);
|
|
}
|
|
|
|
/*
|
|
* Compute digital signature
|
|
*/
|
|
|
|
/* internal function to do the actual signature computation */
|
|
static int
|
|
do_compute_signature(sc_card_t *card, const u8 *data, size_t datalen,
|
|
u8 *out, size_t outlen)
|
|
{
|
|
/* cardos_data_t* priv = (cardos_data_t*)card->drv_dataa */;
|
|
int r;
|
|
sc_apdu_t apdu;
|
|
|
|
/* INS: 0x2A PERFORM SECURITY OPERATION
|
|
* P1: 0x9E Resp: Digital Signature
|
|
* P2: 0x9A Cmd: Input for Digital Signature */
|
|
sc_format_apdu(card, &apdu, SC_APDU_CASE_4, 0x2A, 0x9E, 0x9A);
|
|
apdu.resp = out;
|
|
apdu.le = outlen;
|
|
apdu.resplen = outlen;
|
|
|
|
apdu.data = data;
|
|
apdu.lc = datalen;
|
|
apdu.datalen = datalen;
|
|
fixup_transceive_length(card, &apdu);
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
|
|
if (apdu.sw1 == 0x90 && apdu.sw2 == 0x00)
|
|
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_VERBOSE, apdu.resplen);
|
|
else
|
|
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_VERBOSE, sc_check_sw(card, apdu.sw1, apdu.sw2));
|
|
}
|
|
|
|
static int
|
|
cardos_compute_signature(sc_card_t *card, const u8 *data, size_t datalen,
|
|
u8 *out, size_t outlen)
|
|
{
|
|
cardos_data_t* priv;
|
|
int r;
|
|
sc_context_t *ctx;
|
|
int do_rsa_pure_sig = 0;
|
|
int do_rsa_sig = 0;
|
|
size_t i;
|
|
|
|
|
|
assert(card != NULL && data != NULL && out != NULL);
|
|
ctx = card->ctx;
|
|
priv = (cardos_data_t*)card->drv_data;
|
|
SC_FUNC_CALLED(ctx, SC_LOG_DEBUG_VERBOSE);
|
|
|
|
/* sec_env has algorithm_flags set from sc_get_encoding_flags sec_flags
|
|
* If flags are set correctly we don't need to test anything
|
|
* TODO this assumes RSA is PSS, PKCS1 or RAW and we are passing
|
|
* the correct data. Should work for ECDSA too.
|
|
* use for V5 cards and TODO should for older cards too
|
|
*/
|
|
if (card->type == SC_CARD_TYPE_CARDOS_V5_0 || card->type == SC_CARD_TYPE_CARDOS_V5_3) {
|
|
|
|
r = do_compute_signature(card, data, datalen, out, outlen);
|
|
LOG_FUNC_RETURN(ctx, r);
|
|
}
|
|
|
|
/* There are two ways to create a signature, depending on the way,
|
|
* the key was created: RSA_SIG and RSA_PURE_SIG.
|
|
* We can use the following reasoning, to determine the correct operation:
|
|
* 1. We check for several caps flags (as set in card->caps), to prevent generating
|
|
* invalid signatures with duplicated hash prefixes with some cards
|
|
* 2. Use the information from AlgorithmInfo of the TokenInfo file.
|
|
* This information is parsed in set_security_env and stored in a static variable.
|
|
* The problem is, that that information is only available for the whole token and not
|
|
for a specific key, so if both operations are present, we can only do trial and error
|
|
*
|
|
* The Algorithm IDs for RSA_SIG are 0x86 and 0x88, those for RSA_PURE_SIG 0x8c and 0x8a
|
|
* (According to http://www.opensc-project.org/pipermail/opensc-devel/2010-September/014912.html
|
|
* and www.crysys.hu/infsec/M40_Manual_E_2001_10.pdf)
|
|
*/
|
|
|
|
/* check the the algorithmIDs from the AlgorithmInfo */
|
|
for (i = 0; i < priv->algorithm_ids_in_tokeninfo_count; ++i) {
|
|
unsigned int id = priv->algorithm_ids_in_tokeninfo[i];
|
|
if (id == 0x86 || id == 0x88) {
|
|
do_rsa_sig = 1;
|
|
} else if (id == 0x8C || id == 0x8A) {
|
|
do_rsa_pure_sig = 1;
|
|
}
|
|
}
|
|
|
|
/* check if any operation was selected */
|
|
if (do_rsa_sig == 0 && do_rsa_pure_sig == 0) {
|
|
/* no operation selected. we just have to try both,
|
|
* for the lack of any better reasoning */
|
|
sc_log(ctx, "I was unable to determine, whether this key can be used with RSA_SIG or RSA_PURE_SIG. I will just try both.");
|
|
do_rsa_sig = 1;
|
|
do_rsa_pure_sig = 1;
|
|
}
|
|
|
|
if(do_rsa_pure_sig == 1){
|
|
sc_log(ctx, "trying RSA_PURE_SIG (padded DigestInfo)");
|
|
r = do_compute_signature(card, data, datalen, out, outlen);
|
|
if (r >= SC_SUCCESS)
|
|
LOG_FUNC_RETURN(ctx, r);
|
|
}
|
|
|
|
if(do_rsa_sig == 1){
|
|
u8 *buf = malloc(datalen);
|
|
u8 *stripped_data = buf;
|
|
size_t stripped_datalen = datalen;
|
|
if (!buf)
|
|
LOG_FUNC_RETURN(ctx, SC_ERROR_OUT_OF_MEMORY);
|
|
memcpy(buf, data, datalen);
|
|
data = buf;
|
|
|
|
sc_log(ctx, "trying RSA_SIG (just the DigestInfo)");
|
|
|
|
/* remove padding: first try pkcs1 bt01 padding */
|
|
r = sc_pkcs1_strip_01_padding(ctx, data, datalen, stripped_data, &stripped_datalen);
|
|
if (r != SC_SUCCESS) {
|
|
/* no pkcs1 bt01 padding => let's try zero padding
|
|
* This can only work if the data tbs doesn't have a
|
|
* leading 0 byte. */
|
|
while (*stripped_data == 0 && stripped_datalen != 0) {
|
|
++stripped_data;
|
|
--stripped_datalen;
|
|
}
|
|
}
|
|
sc_log(ctx, "trying to sign raw hash value with prefix");
|
|
r = do_compute_signature(card, stripped_data, stripped_datalen, out, outlen);
|
|
if (r >= SC_SUCCESS) {
|
|
free(buf);
|
|
LOG_FUNC_RETURN(ctx, r);
|
|
}
|
|
sc_log(ctx, "trying to sign stripped raw hash value (card is responsible for prefix)");
|
|
r = sc_pkcs1_strip_digest_info_prefix(NULL, stripped_data, stripped_datalen, stripped_data, &stripped_datalen);
|
|
if (r != SC_SUCCESS) {
|
|
free(buf);
|
|
LOG_FUNC_RETURN(ctx, r);
|
|
}
|
|
r = do_compute_signature(card, stripped_data, stripped_datalen, out, outlen);
|
|
free(buf);
|
|
LOG_FUNC_RETURN(ctx, r);
|
|
}
|
|
|
|
LOG_FUNC_RETURN(ctx, SC_ERROR_INTERNAL);
|
|
}
|
|
|
|
static int
|
|
cardos_decipher(struct sc_card *card,
|
|
const u8 * crgram, size_t crgram_len,
|
|
u8 * out, size_t outlen)
|
|
{
|
|
cardos_data_t* priv = (cardos_data_t*)card->drv_data;
|
|
int r;
|
|
size_t card_max_send_size = card->max_send_size;
|
|
size_t reader_max_send_size = card->reader->max_send_size;
|
|
|
|
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
|
|
|
|
/* 5.3 supports command chaining. Others may also
|
|
* card_max_send_size for 5.3 is already based on reader max_send_size */
|
|
|
|
if (card->type == SC_CARD_TYPE_CARDOS_V5_0 || card->type == SC_CARD_TYPE_CARDOS_V5_3) {
|
|
|
|
r = iso_ops->decipher(card, crgram, crgram_len, out, outlen);
|
|
/*
|
|
* 5.3 supports RAW as well as PKCS1 and PSS
|
|
* description may strip padding if card supports it
|
|
* with cards that support RAW, it always appears to
|
|
* drop first 00 that is start of padding.
|
|
*/
|
|
|
|
if (r > 0 && priv->sec_env->algorithm_flags & SC_ALGORITHM_RSA_RAW) {
|
|
size_t rsize = r;
|
|
/* RSA RAW crgram_len == modlen */
|
|
/* removed padding is always > 1 byte */
|
|
/* add back missing leading zero if card dropped it */
|
|
if (rsize == crgram_len - 1 && rsize < outlen) {
|
|
memmove(out+1, out, rsize);
|
|
out[0] =0x00;
|
|
r++;
|
|
}
|
|
}
|
|
|
|
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_VERBOSE, r);
|
|
}
|
|
|
|
if (sc_get_max_send_size(card) < crgram_len + 1) {
|
|
/* CardOS doesn't support chaining for PSO:DEC, so we just _hope_
|
|
* that both, the reader and the card are able to send enough data.
|
|
* (data is prefixed with 1 byte padding content indicator) */
|
|
card->max_send_size = crgram_len + 1;
|
|
card->reader->max_send_size = crgram_len + 1;
|
|
}
|
|
|
|
r = iso_ops->decipher(card, crgram, crgram_len, out, outlen);
|
|
|
|
/* reset whatever we've modified above */
|
|
card->max_send_size = card_max_send_size;
|
|
card->reader->max_send_size = reader_max_send_size;
|
|
|
|
SC_FUNC_RETURN(card->ctx, SC_LOG_DEBUG_VERBOSE, r);
|
|
}
|
|
|
|
static int
|
|
cardos_lifecycle_get(sc_card_t *card, int *mode)
|
|
{
|
|
sc_apdu_t apdu;
|
|
u8 rbuf[SC_MAX_APDU_BUFFER_SIZE];
|
|
int r;
|
|
|
|
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
|
|
|
|
sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0xca, 0x01, 0x83);
|
|
apdu.cla = 0x00;
|
|
apdu.le = 256;
|
|
apdu.resplen = sizeof(rbuf);
|
|
apdu.resp = rbuf;
|
|
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
|
|
r = sc_check_sw(card, apdu.sw1, apdu.sw2);
|
|
LOG_TEST_RET(card->ctx, r, "Card returned error");
|
|
|
|
if (apdu.resplen < 1) {
|
|
LOG_TEST_RET(card->ctx, r, "Lifecycle byte not in response");
|
|
}
|
|
|
|
r = SC_SUCCESS;
|
|
switch (rbuf[0]) {
|
|
case 0x10:
|
|
*mode = SC_CARDCTRL_LIFECYCLE_USER;
|
|
break;
|
|
case 0x20:
|
|
*mode = SC_CARDCTRL_LIFECYCLE_ADMIN;
|
|
break;
|
|
case 0x34: /* MANUFACTURING */
|
|
*mode = SC_CARDCTRL_LIFECYCLE_OTHER;
|
|
break;
|
|
default:
|
|
sc_log(card->ctx, "Unknown lifecycle byte %d", rbuf[0]);
|
|
r = SC_ERROR_INTERNAL;
|
|
}
|
|
|
|
LOG_FUNC_RETURN(card->ctx, r);
|
|
}
|
|
|
|
static int
|
|
cardos_lifecycle_set(sc_card_t *card, int *mode)
|
|
{
|
|
sc_apdu_t apdu;
|
|
int r;
|
|
|
|
int current;
|
|
int target;
|
|
|
|
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
|
|
|
|
target = *mode;
|
|
|
|
r = cardos_lifecycle_get(card, ¤t);
|
|
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
|
|
if (current == target || current == SC_CARDCTRL_LIFECYCLE_OTHER)
|
|
return SC_SUCCESS;
|
|
|
|
sc_format_apdu(card, &apdu, SC_APDU_CASE_1, 0x10, 0, 0);
|
|
apdu.cla = 0x80;
|
|
apdu.le = 0;
|
|
apdu.resplen = 0;
|
|
apdu.resp = NULL;
|
|
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
|
|
r = sc_check_sw(card, apdu.sw1, apdu.sw2);
|
|
LOG_TEST_RET(card->ctx, r, "Card returned error");
|
|
|
|
LOG_FUNC_RETURN(card->ctx, r);
|
|
}
|
|
|
|
static int
|
|
cardos_put_data_oci(sc_card_t *card,
|
|
struct sc_cardctl_cardos_obj_info *args)
|
|
{
|
|
sc_apdu_t apdu;
|
|
int r;
|
|
|
|
SC_FUNC_CALLED(card->ctx, SC_LOG_DEBUG_VERBOSE);
|
|
|
|
memset(&apdu, 0, sizeof(apdu));
|
|
apdu.cse = SC_APDU_CASE_3_SHORT;
|
|
apdu.cla = 0x00;
|
|
apdu.ins = 0xda;
|
|
apdu.p1 = 0x01;
|
|
apdu.p2 = 0x6e;
|
|
apdu.lc = args->len;
|
|
apdu.data = args->data;
|
|
apdu.datalen = args->len;
|
|
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
|
|
r = sc_check_sw(card, apdu.sw1, apdu.sw2);
|
|
LOG_TEST_RET(card->ctx, r, "Card returned error");
|
|
|
|
LOG_FUNC_RETURN(card->ctx, r);
|
|
}
|
|
|
|
static int
|
|
cardos_put_data_seci(sc_card_t *card,
|
|
struct sc_cardctl_cardos_obj_info *args)
|
|
{
|
|
sc_apdu_t apdu;
|
|
int r;
|
|
|
|
memset(&apdu, 0, sizeof(apdu));
|
|
apdu.cse = SC_APDU_CASE_3_SHORT;
|
|
apdu.cla = 0x00;
|
|
apdu.ins = 0xda;
|
|
apdu.p1 = 0x01;
|
|
apdu.p2 = 0x6d;
|
|
apdu.lc = args->len;
|
|
apdu.data = args->data;
|
|
apdu.datalen = args->len;
|
|
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
|
|
r = sc_check_sw(card, apdu.sw1, apdu.sw2);
|
|
LOG_TEST_RET(card->ctx, r, "Card returned error");
|
|
|
|
return r;
|
|
}
|
|
|
|
static int
|
|
cardos_generate_key(sc_card_t *card,
|
|
struct sc_cardctl_cardos_genkey_info *args)
|
|
{
|
|
sc_apdu_t apdu;
|
|
u8 data[8];
|
|
int r;
|
|
|
|
data[0] = 0x20; /* store as PSO object */
|
|
data[1] = args->key_id;
|
|
data[2] = args->fid >> 8;
|
|
data[3] = args->fid & 0xff;
|
|
data[4] = 0; /* additional Rabin Miller tests */
|
|
data[5] = 0x10; /* length difference between p, q (bits) */
|
|
data[6] = 0; /* default length of exponent, MSB */
|
|
data[7] = 0x20; /* default length of exponent, LSB */
|
|
|
|
memset(&apdu, 0, sizeof(apdu));
|
|
apdu.cse = SC_APDU_CASE_3_SHORT;
|
|
apdu.cla = 0x00;
|
|
apdu.ins = 0x46;
|
|
apdu.p1 = 0x00;
|
|
apdu.p2 = 0x00;
|
|
apdu.data= data;
|
|
apdu.datalen = apdu.lc = sizeof(data);
|
|
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
r = sc_check_sw(card, apdu.sw1, apdu.sw2);
|
|
LOG_TEST_RET(card->ctx, r, "GENERATE_KEY failed");
|
|
|
|
return r;
|
|
}
|
|
|
|
static int cardos_get_serialnr(sc_card_t *card, sc_serial_number_t *serial)
|
|
{
|
|
int r;
|
|
sc_apdu_t apdu;
|
|
u8 rbuf[SC_MAX_APDU_BUFFER_SIZE];
|
|
|
|
sc_format_apdu(card, &apdu, SC_APDU_CASE_2_SHORT, 0xca, 0x01, 0x81);
|
|
apdu.resp = rbuf;
|
|
apdu.resplen = sizeof(rbuf);
|
|
apdu.le = 256;
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
if (apdu.sw1 != 0x90 || apdu.sw2 != 0x00)
|
|
return SC_ERROR_INTERNAL;
|
|
if ((apdu.resplen == 8) && (card->type == SC_CARD_TYPE_CARDOS_V5_0 || card->type == SC_CARD_TYPE_CARDOS_V5_3)) {
|
|
/* cache serial number */
|
|
memcpy(card->serialnr.value, rbuf, 8);
|
|
card->serialnr.len = 8;
|
|
} else if (apdu.resplen == 32) {
|
|
/* cache serial number */
|
|
memcpy(card->serialnr.value, &rbuf[10], 6);
|
|
card->serialnr.len = 6;
|
|
} else {
|
|
sc_log(card->ctx, "unexpected response to GET DATA serial"
|
|
" number\n");
|
|
return SC_ERROR_INTERNAL;
|
|
}
|
|
/* copy and return serial number */
|
|
memcpy(serial, &card->serialnr, sizeof(*serial));
|
|
return SC_SUCCESS;
|
|
}
|
|
|
|
static int
|
|
cardos_card_ctl(sc_card_t *card, unsigned long cmd, void *ptr)
|
|
{
|
|
switch (cmd) {
|
|
case SC_CARDCTL_CARDOS_PUT_DATA_FCI:
|
|
break;
|
|
case SC_CARDCTL_CARDOS_PUT_DATA_OCI:
|
|
return cardos_put_data_oci(card,
|
|
(struct sc_cardctl_cardos_obj_info *) ptr);
|
|
break;
|
|
case SC_CARDCTL_CARDOS_PUT_DATA_SECI:
|
|
return cardos_put_data_seci(card,
|
|
(struct sc_cardctl_cardos_obj_info *) ptr);
|
|
break;
|
|
case SC_CARDCTL_CARDOS_GENERATE_KEY:
|
|
return cardos_generate_key(card,
|
|
(struct sc_cardctl_cardos_genkey_info *) ptr);
|
|
case SC_CARDCTL_CARDOS_PASS_ALGO_FLAGS:
|
|
return cardos_pass_algo_flags(card,
|
|
(struct sc_cardctl_cardos_pass_algo_flags *) ptr);
|
|
case SC_CARDCTL_LIFECYCLE_GET:
|
|
return cardos_lifecycle_get(card, (int *) ptr);
|
|
case SC_CARDCTL_LIFECYCLE_SET:
|
|
return cardos_lifecycle_set(card, (int *) ptr);
|
|
case SC_CARDCTL_GET_SERIALNR:
|
|
return cardos_get_serialnr(card, (sc_serial_number_t *)ptr);
|
|
}
|
|
return SC_ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
/*
|
|
* The 0x80 thing tells the card it's okay to search parent
|
|
* directories as well for the referenced object.
|
|
* Unfortunately, it doesn't seem to work without this flag :-/
|
|
*/
|
|
static int
|
|
cardos_pin_cmd(struct sc_card *card, struct sc_pin_cmd_data *data,
|
|
int *tries_left)
|
|
{
|
|
struct sc_context *ctx = card->ctx;
|
|
int rv;
|
|
|
|
LOG_FUNC_CALLED(card->ctx);
|
|
|
|
data->flags |= SC_PIN_CMD_NEED_PADDING;
|
|
data->pin_reference |= 0x80;
|
|
|
|
sc_log(ctx, "PIN_CMD(cmd:%i, ref:%i)", data->cmd, data->pin_reference);
|
|
sc_log(ctx,
|
|
"PIN1(max:%"SC_FORMAT_LEN_SIZE_T"u, min:%"SC_FORMAT_LEN_SIZE_T"u)",
|
|
data->pin1.max_length, data->pin1.min_length);
|
|
sc_log(ctx,
|
|
"PIN2(max:%"SC_FORMAT_LEN_SIZE_T"u, min:%"SC_FORMAT_LEN_SIZE_T"u)",
|
|
data->pin2.max_length, data->pin2.min_length);
|
|
|
|
/* FIXME: the following values depend on what pin length was
|
|
* used when creating the BS objects */
|
|
if (data->pin1.max_length == 0)
|
|
data->pin1.max_length = 8;
|
|
if (data->pin2.max_length == 0)
|
|
data->pin2.max_length = 8;
|
|
|
|
rv = iso_ops->pin_cmd(card, data, tries_left);
|
|
LOG_FUNC_RETURN(ctx, rv);
|
|
}
|
|
|
|
|
|
static int
|
|
cardos_logout(sc_card_t *card)
|
|
{
|
|
if (card->type == SC_CARD_TYPE_CARDOS_M4_01
|
|
|| card->type == SC_CARD_TYPE_CARDOS_M4_2
|
|
|| card->type == SC_CARD_TYPE_CARDOS_M4_2B
|
|
|| card->type == SC_CARD_TYPE_CARDOS_M4_2C
|
|
|| card->type == SC_CARD_TYPE_CARDOS_M4_3
|
|
|| card->type == SC_CARD_TYPE_CARDOS_M4_4
|
|
|| card->type == SC_CARD_TYPE_CARDOS_V5_0
|
|
|| card->type == SC_CARD_TYPE_CARDOS_V5_3) {
|
|
sc_apdu_t apdu;
|
|
int r;
|
|
sc_path_t path;
|
|
|
|
sc_format_path("3F00", &path);
|
|
r = sc_select_file(card, &path, NULL);
|
|
if (r != SC_SUCCESS)
|
|
return r;
|
|
|
|
sc_format_apdu(card, &apdu, SC_APDU_CASE_1, 0xEA, 0x00, 0x00);
|
|
apdu.cla = 0x80;
|
|
|
|
r = sc_transmit_apdu(card, &apdu);
|
|
LOG_TEST_RET(card->ctx, r, "APDU transmit failed");
|
|
|
|
return sc_check_sw(card, apdu.sw1, apdu.sw2);
|
|
} else
|
|
return SC_ERROR_NOT_SUPPORTED;
|
|
}
|
|
|
|
/* eToken R2 supports WRITE_BINARY, PRO Tokens support UPDATE_BINARY */
|
|
|
|
static struct sc_card_driver * sc_get_driver(void)
|
|
{
|
|
if (iso_ops == NULL)
|
|
iso_ops = sc_get_iso7816_driver()->ops;
|
|
cardos_ops = *iso_ops;
|
|
cardos_ops.match_card = cardos_match_card;
|
|
cardos_ops.init = cardos_init;
|
|
cardos_ops.finish = cardos_finish;
|
|
cardos_ops.select_file = cardos_select_file;
|
|
cardos_ops.create_file = cardos_create_file;
|
|
cardos_ops.set_security_env = cardos_set_security_env;
|
|
cardos_ops.restore_security_env = cardos_restore_security_env;
|
|
cardos_ops.compute_signature = cardos_compute_signature;
|
|
cardos_ops.decipher = cardos_decipher;
|
|
|
|
cardos_ops.list_files = cardos_list_files;
|
|
cardos_ops.check_sw = cardos_check_sw;
|
|
cardos_ops.card_ctl = cardos_card_ctl;
|
|
cardos_ops.pin_cmd = cardos_pin_cmd;
|
|
cardos_ops.logout = cardos_logout;
|
|
|
|
return &cardos_drv;
|
|
}
|
|
|
|
#if 1
|
|
struct sc_card_driver * sc_get_cardos_driver(void)
|
|
{
|
|
return sc_get_driver();
|
|
}
|
|
#endif
|