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/*
* Copyright © 2020, Michał Trojnara <Michal.Trojnara@stunnel.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/* libp11 example code: listkeys.c
*
* This examply simply connects to your smart card
* and list the keys.
*/
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <sys/types.h>
#include <libp11.h>
#include <unistd.h>
#define RANDOM_SOURCE "/dev/urandom"
#define RANDOM_SIZE 20
#define MAX_SIGSIZE 256
static void list_keys(const char *title,
const PKCS11_KEY *keys, const unsigned int nkeys);
static void error_queue(const char *name);
#define CHECK_ERR(cond, txt, code) \
do { \
if (cond) { \
fprintf(stderr, "%s\n", (txt)); \
rc=(code); \
goto end; \
} \
} while (0)
int main(int argc, char *argv[])
{
PKCS11_CTX *ctx;
PKCS11_SLOT *slots=NULL, *slot;
PKCS11_KEY *keys;
unsigned int nslots, nkeys;
int rc = 0;
if (argc < 2) {
fprintf(stderr,
"usage: %s /usr/lib/opensc-pkcs11.so [PIN]\n",
argv[0]);
return 1;
}
ctx = PKCS11_CTX_new();
error_queue("PKCS11_CTX_new");
/* load pkcs #11 module */
rc = PKCS11_CTX_load(ctx, argv[1]);
error_queue("PKCS11_CTX_load");
CHECK_ERR(rc < 0, "loading pkcs11 engine failed", 1);
/* get information on all slots */
rc = PKCS11_enumerate_slots(ctx, &slots, &nslots);
error_queue("PKCS11_enumerate_slots");
CHECK_ERR(rc < 0, "no slots available", 2);
/* get first slot with a token */
slot = PKCS11_find_token(ctx, slots, nslots);
error_queue("PKCS11_find_token");
CHECK_ERR(!slot || !slot->token, "no token available", 3);
printf("Slot manufacturer......: %s\n", slot->manufacturer);
printf("Slot description.......: %s\n", slot->description);
printf("Slot token label.......: %s\n", slot->token->label);
printf("Slot token manufacturer: %s\n", slot->token->manufacturer);
printf("Slot token model.......: %s\n", slot->token->model);
printf("Slot token serialnr....: %s\n", slot->token->serialnr);
/* get public keys */
rc = PKCS11_enumerate_public_keys(slot->token, &keys, &nkeys);
error_queue("PKCS11_enumerate_public_keys");
CHECK_ERR(rc < 0, "PKCS11_enumerate_public_keys failed", 4);
CHECK_ERR(nkeys == 0, "No public keys found", 5);
list_keys("Public keys", keys, nkeys);
if (slot->token->loginRequired && argc > 2) {
/* perform pkcs #11 login */
rc = PKCS11_login(slot, 0, argv[2]);
error_queue("PKCS11_login");
CHECK_ERR(rc < 0, "PKCS11_login failed", 6);
}
/* get private keys */
rc = PKCS11_enumerate_keys(slot->token, &keys, &nkeys);
error_queue("PKCS11_enumerate_keys");
CHECK_ERR(rc < 0, "PKCS11_enumerate_keys failed", 7);
CHECK_ERR(nkeys == 0, "No private keys found", 8);
list_keys("Private keys", keys, nkeys);
end:
if (slots)
PKCS11_release_all_slots(ctx, slots, nslots);
PKCS11_CTX_unload(ctx);
PKCS11_CTX_free(ctx);
if (rc)
printf("Failed (error code %d).\n", rc);
else
printf("Success.\n");
return rc;
}
static void list_keys(const char *title, const PKCS11_KEY *keys,
const unsigned int nkeys) {
unsigned int i;
printf("\n%s:\n", title);
for (i = 0; i < nkeys; i++)
printf(" * %s key: %s\n",
keys[i].isPrivate ? "Private" : "Public", keys[i].label);
}
static void error_queue(const char *name)
{
if (ERR_peek_last_error()) {
fprintf(stderr, "%s generated errors:\n", name);
ERR_print_errors_fp(stderr);
}
}
/* vim: set noexpandtab: */
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