Files
vsmartcard/ccid/src/binutil.c
2010-05-07 11:50:54 +00:00

127 lines
3.2 KiB
C

/*
* Copyright (C) 2010 Frank Morgner
*
* This file is part of ccid.
*
* ccid 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 3 of the License, or (at your option) any later
* version.
*
* ccid 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
* ccid. If not, see <http://www.gnu.org/licenses/>.
*/
#include "binutil.h"
#include <stdio.h>
#include <string.h>
#include <opensc/opensc.h>
void print_usage(const char *app_name, const struct option options[],
const char *option_help[])
{
int i = 0;
printf("Usage: %s [OPTIONS]\nOptions:\n", app_name);
while (options[i].name) {
char buf[40], tmp[5];
const char *arg_str;
/* Skip "hidden" options */
if (option_help[i] == NULL) {
i++;
continue;
}
if (options[i].val > 0 && options[i].val < 128)
sprintf(tmp, "-%c", options[i].val);
else
tmp[0] = 0;
switch (options[i].has_arg) {
case 1:
arg_str = " <arg>";
break;
case 2:
arg_str = " [arg]";
break;
default:
arg_str = "";
break;
}
sprintf(buf, "--%-13s%s%s", options[i].name, tmp, arg_str);
if (strlen(buf) > 24) {
printf(" %s\n", buf);
buf[0] = '\0';
}
printf(" %-24s %s\n", buf, option_help[i]);
i++;
}
}
void parse_error(const char *app_name, const struct option options[],
const char *option_help[], const char *optarg, int opt_ind)
{
printf("Could not parse %s ('%s').\n", options[opt_ind].name, optarg);
print_usage(app_name , options, option_help);
}
static int list_readers(sc_context_t *ctx)
{
unsigned int i, rcount = sc_ctx_get_reader_count(ctx);
if (rcount == 0) {
printf("No smart card readers found.\n");
return 0;
}
printf("Readers known about:\n");
printf("Nr. Driver Name\n");
for (i = 0; i < rcount; i++) {
sc_reader_t *screader = sc_ctx_get_reader(ctx, i);
printf("%-7d%-11s%s\n", i, screader->driver->short_name,
screader->name);
}
return 0;
}
static int list_drivers(sc_context_t *ctx)
{
int i;
if (ctx->card_drivers[0] == NULL) {
printf("No card drivers installed!\n");
return 0;
}
printf("Configured card drivers:\n");
for (i = 0; ctx->card_drivers[i] != NULL; i++) {
printf(" %-16s %s\n", ctx->card_drivers[i]->short_name,
ctx->card_drivers[i]->name);
}
return 0;
}
int print_avail(int verbose)
{
sc_context_t *ctx = NULL;
int r;
r = sc_context_create(&ctx, NULL);
if (r) {
fprintf(stderr, "Failed to establish context: %s\n", sc_strerror(r));
return 1;
}
ctx->debug = verbose;
r = list_readers(ctx)|list_drivers(ctx);
if (ctx)
sc_release_context(ctx);
return r;
}