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/*
* ISO 7816 APDU handler routines (card side)
*
* Copyright (C) 2012 Harald Welte <laforge@gnumonks.org>
*
* 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; either version 2 or
* (at your option) version 3 of the License.
*
* 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 "apdu.h"
static int apdu_handle_cls(const struct apdu_class *ac, struct apdu_parser *ap,
int mode, const struct apdu_hdr *hdr)
{
int i;
for (i = 0; i < ac->num_cmds; i++) {
struct apdu_cmd *cmd = &ac->cmds[i];
if (cmd->ins == hdr->ins)
return cmd->cb(ap, mode, hdr);
}
return RV_SW(0x6D00);
}
int apdu_handle_hdr(struct apdu_parser *ap, struct apdu_hdr *hdr)
{
int i;
/* iterate over all registered classes and check for a CLA match */
for (i = 0; i < ap->num_classes; i++) {
const struct apdu_class *ac = &ap->classes[i];
/* if CLA matches, iterate over INS array and call callback */
if (hdr->cla & ac->mask == ac->compare)
return apdu_handle_cls(ac, ap, AP_MODE_T0_HDR, hdr);
}
return RV_SW(0x6E00);
}
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