117 lines
2.4 KiB
C
117 lines
2.4 KiB
C
/* Copyright (C) 2001 Juha Yrjölä <juha.yrjola@iki.fi>
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* All rights reserved.
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*
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* PKCS#15 PIN code test
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <opensc/opensc.h>
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#include <opensc/pkcs15.h>
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#include "sc-test.h"
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struct sc_pkcs15_card *p15card;
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int enum_pins(struct sc_pkcs15_object ***ret)
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{
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struct sc_pkcs15_object **objs;
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int i, n;
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n = sc_pkcs15_get_objects(p15card, SC_PKCS15_TYPE_AUTH_PIN, NULL, 0);
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if (n < 0) {
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fprintf(stderr, "Error enumerating PIN codes: %s\n",
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sc_strerror(n));
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return 1;
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}
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if (n == 0) {
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fprintf(stderr, "No PIN codes found!\n");
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return 0;
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}
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objs = (struct sc_pkcs15_object **) calloc(n, sizeof(*objs));
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sc_pkcs15_get_objects(p15card, SC_PKCS15_TYPE_AUTH_PIN, objs, n);
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for (i = 0; i < n; i++) {
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sc_test_print_object(objs[i]);
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}
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*ret = objs;
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return n;
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}
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int ask_and_verify_pin(struct sc_pkcs15_object *obj)
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{
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struct sc_pkcs15_pin_info *pin;
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int i = 0;
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char prompt[80];
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u8 *pass;
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pin = (struct sc_pkcs15_pin_info *) obj->data;
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while (1) {
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sprintf(prompt, "Please enter PIN code [%s]: ", obj->label);
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pass = (u8 *) getpass(prompt);
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if (strlen((char *) pass) == 0) {
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printf("Not verifying PIN code.\n");
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return -1;
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}
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if (strlen((char *) pass) < pin->min_length)
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break;
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if (strlen((char *) pass) > pin->stored_length)
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break;
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break;
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}
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sc_lock(card);
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i = sc_pkcs15_verify_pin(p15card, pin, pass, strlen((char *) pass));
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sc_unlock(card);
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if (i) {
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if (i == SC_ERROR_PIN_CODE_INCORRECT)
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fprintf(stderr,
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"Incorrect PIN code (%d tries left)\n",
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pin->tries_left);
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else
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fprintf(stderr,
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"PIN verifying failed: %s\n",
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sc_strerror(i));
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return 1;
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} else
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printf("PIN code correct.\n");
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return 0;
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}
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int main(int argc, char *argv[])
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{
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struct sc_pkcs15_object **objs;
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int i, count;
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i = sc_test_init(&argc, argv);
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if (i < 0)
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return 1;
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printf("Looking for a PKCS#15 compatible Smart Card... ");
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fflush(stdout);
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sc_lock(card);
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i = sc_pkcs15_bind(card, &p15card);
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sc_unlock(card);
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if (i) {
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fprintf(stderr, "failed: %s\n", sc_strerror(i));
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sc_test_cleanup();
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return 1;
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}
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printf("found.\n");
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printf("Enumerating PIN codes...\n");
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sc_lock(card);
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count = enum_pins(&objs);
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sc_unlock(card);
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if (count < 0) {
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sc_pkcs15_unbind(p15card);
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sc_test_cleanup();
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return 1;
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}
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for (i = 0; i < count; i++) {
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ask_and_verify_pin(objs[i]);
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}
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sc_pkcs15_unbind(p15card);
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sc_test_cleanup();
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return 0;
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}
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