/*
* Copyright (C) 2014-2016 Internet Systems Consortium, Inc. ("ISC")
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
/*
* Portions copyright (c) 2008 Nominet UK. 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*/
/* $Id$ */
/*
* pkcs11-md5sum
*
* Prints the MD5 checksum of the standard input, using the PKCS#11 device.
*
* Usage:
* pkcs11-md5sum [-m module] [-s $slot] [-n] [-p $pin]
* -m: PKCS#11 provider module. This must be the full
* path to a shared library object implementing the
* PKCS#11 API for a device.
* -s: Slot
* -p: PIN
* -n: don't log in to the PKCS#11 device
*/
/*! \file */
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sys/types.h>
#include <isc/commandline.h>
#include <isc/print.h>
#include <isc/result.h>
#include <isc/types.h>
#include <pk11/pk11.h>
#include <pk11/result.h>
#if !(defined(HAVE_GETPASSPHRASE) || (defined (__SVR4) && defined (__sun)))
#define getpassphrase(x) getpass(x)
#endif
#define BLOCKSIZE 32768
char buffer[BLOCKSIZE + 72];
char digest[16];
int
main(int argc, char *argv[]) {
isc_result_t result;
CK_RV rv;
CK_SLOT_ID slot = 0;
CK_SESSION_HANDLE hSession;
CK_MECHANISM mech = { CKM_MD5, NULL, 0 };
CK_ULONG len;
pk11_context_t pctx;
pk11_optype_t op_type = OP_DIGEST;
char *lib_name = NULL;
char *pin = NULL;
int error = 0;
isc_boolean_t logon = ISC_TRUE;
int c, errflg = 0;
size_t sum = 0;
unsigned int i;
while ((c = isc_commandline_parse(argc, argv, ":m:s:np:")) != -1) {
switch (c) {
case 'm':
lib_name = isc_commandline_argument;
break;
case 's':
slot = atoi(isc_commandline_argument);
op_type = OP_ANY;
break;
case 'n':
logon = ISC_FALSE;
break;
case 'p':
pin = isc_commandline_argument;
break;
case ':':
fprintf(stderr,
"Option -%c requires an operand\n",
isc_commandline_option);
errflg++;
break;
case '?':
default:
fprintf(stderr, "Unrecognised option: -%c\n",
isc_commandline_option);
errflg++;
}
}
if (errflg) {
fprintf(stderr, "Usage:\n");
fprintf(stderr,
"\tpkcs11-md5sum [-m module] [-s slot] [-n|-p pin]\n");
exit(1);
}
pk11_result_register();
/* Initialize the CRYPTOKI library */
if (lib_name != NULL)
pk11_set_lib_name(lib_name);
if (logon && pin == NULL)
pin = getpassphrase("Enter Pin: ");
result = pk11_get_session(&pctx, op_type, ISC_FALSE, ISC_FALSE, logon,
(const char *) pin, slot);
if ((result != ISC_R_SUCCESS) &&
(result != PK11_R_NORANDOMSERVICE) &&
(result != PK11_R_NOAESSERVICE)) {
fprintf(stderr, "Error initializing PKCS#11: %s\n",
isc_result_totext(result));
exit(1);
}
if (pin != NULL)
memset(pin, 0, strlen((char *)pin));
hSession = pctx.session;
rv = pkcs_C_DigestInit(hSession, &mech);
if (rv != CKR_OK) {
fprintf(stderr, "C_DigestInit: Error = 0x%.8lX\n", rv);
error = 1;
goto exit_session;
}
for (;;) {
size_t n;
for (;;) {
n = fread(buffer + sum, 1, BLOCKSIZE - sum, stdin);
sum += n;
if (sum == BLOCKSIZE)
break;
if (n == 0) {
if (ferror(stdin)) {
fprintf(stderr, "fread failed\n");
error = 1;
goto exit_session;
}
goto partial_block;
}
if (feof(stdin))
goto partial_block;
}
rv = pkcs_C_DigestUpdate(hSession, (CK_BYTE_PTR) buffer,
(CK_ULONG) BLOCKSIZE);
if (rv != CKR_OK) {
fprintf(stderr,
"C_DigestUpdate: Error = 0x%.8lX\n",
rv);
error = 1;
goto exit_session;
}
}
partial_block:
if (sum > 0) {
rv = pkcs_C_DigestUpdate(hSession, (CK_BYTE_PTR) buffer,
(CK_ULONG) sum);
if (rv != CKR_OK) {
fprintf(stderr,
"C_DigestUpdate: Error = 0x%.8lX\n",
rv);
error = 1;
goto exit_session;
}
}
len = 16;
rv = pkcs_C_DigestFinal(hSession, (CK_BYTE_PTR) digest, &len);
if (rv != CKR_OK) {
fprintf(stderr, "C_DigestFinal: Error = 0x%.8lX\n", rv);
error = 1;
goto exit_session;
}
if (len != 16) {
fprintf(stderr, "C_DigestFinal: bad length = %lu\n", len);
error = 1;
}
for (i = 0; i < 16; i++)
printf("%02x", digest[i] & 0xff);
printf("\n");
exit_session:
pk11_return_session(&pctx);
(void) pk11_finalize();
exit(error);
}