Osmocom Remote SIM Software Suite https://osmocom.org/projects/osmo-remsim
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/* (C) 2018-2019 by Harald Welte <laforge@gnumonks.org>
*
* All Rights Reserved
*
* SPDX-License-Identifier: GPL-2.0+
*
* 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 of the License, or
* (at your option) any later version.
*
* 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
*/
#include <osmocom/core/linuxlist.h>
#include <osmocom/core/talloc.h>
#include <osmocom/core/utils.h>
#include <csv.h>
#include "bankd.h"
struct pcsc_slot_name {
struct llist_head list;
/* RSPRO bank slot number */
struct bank_slot slot;
/* String name of the reader in PC/SC world */
const char *name;
};
enum parser_state_name {
ST_NONE,
ST_BANK_NR,
ST_SLOT_NR,
ST_PCSC_NAME,
};
struct parser_state {
struct bankd *bankd;
enum parser_state_name state;
struct pcsc_slot_name *cur;
};
static void parser_state_init(struct parser_state *ps)
{
ps->state = ST_BANK_NR;
ps->cur = NULL;
}
static void cb1(void *s, size_t len, void *data)
{
char *field = (char *) s;
struct parser_state *ps = data;
switch (ps->state) {
case ST_BANK_NR:
OSMO_ASSERT(!ps->cur);
ps->cur = talloc_zero(ps->bankd, struct pcsc_slot_name);
OSMO_ASSERT(ps->cur);
ps->cur->slot.bank_id = atoi(field);
ps->state = ST_SLOT_NR;
break;
case ST_SLOT_NR:
OSMO_ASSERT(ps->cur);
ps->cur->slot.slot_nr = atoi(field);
ps->state = ST_PCSC_NAME;
break;
case ST_PCSC_NAME:
OSMO_ASSERT(ps->cur);
ps->cur->name = talloc_strdup(ps->cur, field);
break;
default:
OSMO_ASSERT(0);
}
}
static void cb2(int c, void *data)
{
struct parser_state *ps = data;
struct pcsc_slot_name *sn = ps->cur;
printf("PC/SC slot name: %u/%u -> '%s'\n", sn->slot.bank_id, sn->slot.slot_nr, sn->name);
llist_add_tail(&sn->list, &ps->bankd->pcsc_slot_names);
ps->state = ST_BANK_NR;
ps->cur = NULL;
}
int bankd_pcsc_read_slotnames(struct bankd *bankd, const char *csv_file)
{
FILE *fp;
struct csv_parser p;
char buf[1024];
size_t bytes_read;
struct parser_state ps;
if (csv_init(&p, CSV_APPEND_NULL) != 0)
return -1;
fp = fopen(csv_file, "rb");
if (!fp)
return -1;
parser_state_init(&ps);
ps.bankd = bankd;
while ((bytes_read = fread(buf, 1, sizeof(buf), fp)) > 0) {
if (csv_parse(&p, buf, bytes_read, cb1, cb2, &ps) != bytes_read) {
fprintf(stderr, "Error parsing CSV: %s\n", csv_strerror(csv_error(&p)));
fclose(fp);
return -1;
}
}
csv_fini(&p, cb1, cb2, &ps);
fclose(fp);
csv_free(&p);
return 0;
}
const char *bankd_pcsc_get_slot_name(struct bankd *bankd, const struct bank_slot *slot)
{
struct pcsc_slot_name *cur;
llist_for_each_entry(cur, &bankd->pcsc_slot_names, list) {
if (bank_slot_equals(&cur->slot, slot))
return cur->name;
}
return NULL;
}