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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <strings.h>
#include <sys/param.h>
#include <pwd.h>
#include <nss_dbdefs.h>
#include <auth_attr.h>
#include "crypto_util.h"
/* init kmf handle and pkcs11 handle, for cc creation */
int
wusb_crypto_init(
KMF_HANDLE_T *kmfhandle,
CK_SESSION_HANDLE *pkhandle,
const char *pktoken,
const char *tokendir)
{
KMF_KEYSTORE_TYPE kstype = KMF_KEYSTORE_PK11TOKEN;
boolean_t bfalse = FALSE;
KMF_ATTRIBUTE attrlist[20];
int numattr;
/* change default softtoken directory */
if (setenv("SOFTTOKEN_DIR", tokendir, 1) != 0) {
return (-1);
}
/* init kmf */
if (kmf_initialize(kmfhandle, NULL, NULL) != KMF_OK) {
return (-1);
}
numattr = 0;
kmf_set_attr_at_index(attrlist, numattr++,
KMF_KEYSTORE_TYPE_ATTR, &kstype, sizeof (kstype));
kmf_set_attr_at_index(attrlist, numattr++,
KMF_TOKEN_LABEL_ATTR, (void *)pktoken, strlen(pktoken) + 1);
kmf_set_attr_at_index(attrlist, numattr++,
KMF_READONLY_ATTR, &bfalse, sizeof (bfalse));
if (kmf_configure_keystore(*kmfhandle, numattr, attrlist) != KMF_OK) {
return (-1);
}
/* get pkcs11 handle from kmf */
*pkhandle = kmf_get_pk11_handle(*kmfhandle);
if (*pkhandle == NULL) {
return (-1);
}
return (0);
}
void
wusb_crypto_fini(KMF_HANDLE_T kmfhandle)
{
(void) kmf_finalize(kmfhandle);
}
/* random generation, for cc creation */
int
wusb_random(
CK_SESSION_HANDLE hSession,
CK_BYTE *seed, size_t slen,
CK_BYTE *rand, size_t rlen)
{
hrtime_t hrt;
if (seed == NULL) {
hrt = gethrtime() + gethrvtime();
if (C_SeedRandom(hSession, (CK_BYTE *)&hrt,
sizeof (hrt)) != CKR_OK) {
return (-1);
}
} else {
if (C_SeedRandom(hSession, seed, slen) != CKR_OK) {
return (-1);
}
}
if (C_GenerateRandom(hSession, rand, rlen) != CKR_OK) {
return (-1);
}
return (0);
}
/* conver mac address to label string */
void
mac_to_label(uint8_t *mac, char *label)
{
int i;
bzero(label, WUSB_CC_LABEL_LENGTH);
for (i = 0; i < WUSB_DEV_MAC_LENGTH; i++) {
(void) snprintf(label, WUSB_CC_LABEL_LENGTH,
"%s%02x", label, mac[i]);
}
}
/* ARGSUSED */
/* For debug only, print an array of byte */
void
print_array(const char *label, CK_BYTE *array, size_t len)
{
#ifdef DEBUG
int i;
fprintf(stdout, "%s :\n", label);
for (i = 0; i < len; i++) {
fprintf(stdout, "%02x ", array[i]);
if ((i & 15) == 15) fprintf(stdout, "\n");
}
#endif
}
/* Check if a uid has auths */
int
chk_auths(uid_t uid, const char *auths)
{
struct passwd pwd;
char buf[NSS_LINELEN_PASSWD];
if (uid == (uid_t)-1) {
return (-1);
}
/* get user name */
if (getpwuid_r(uid, &pwd, buf, sizeof (buf)) == NULL) {
return (-1);
}
/* check the auths */
if (chkauthattr(auths, pwd.pw_name) != 1) {
return (-1);
}
return (0);
}
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