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RetroZilla/security/nss/lib/dev/ckhelper.c
Ryan Nematz 2f2ae146c0 first commit
2015-10-20 23:03:22 -04:00

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Netscape security libraries.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifdef DEBUG
static const char CVS_ID[] = "@(#) $RCSfile: ckhelper.c,v $ $Revision: 1.39 $ $Date: 2009/01/22 01:29:24 $";
#endif /* DEBUG */
#ifndef NSSCKEPV_H
#include "nssckepv.h"
#endif /* NSSCKEPV_H */
#ifndef DEVM_H
#include "devm.h"
#endif /* DEVM_H */
#ifndef CKHELPER_H
#include "ckhelper.h"
#endif /* CKHELPER_H */
extern const NSSError NSS_ERROR_DEVICE_ERROR;
static const CK_BBOOL s_true = CK_TRUE;
NSS_IMPLEMENT_DATA const NSSItem
g_ck_true = { (CK_VOID_PTR)&s_true, sizeof(s_true) };
static const CK_BBOOL s_false = CK_FALSE;
NSS_IMPLEMENT_DATA const NSSItem
g_ck_false = { (CK_VOID_PTR)&s_false, sizeof(s_false) };
static const CK_OBJECT_CLASS s_class_cert = CKO_CERTIFICATE;
NSS_IMPLEMENT_DATA const NSSItem
g_ck_class_cert = { (CK_VOID_PTR)&s_class_cert, sizeof(s_class_cert) };
static const CK_OBJECT_CLASS s_class_pubkey = CKO_PUBLIC_KEY;
NSS_IMPLEMENT_DATA const NSSItem
g_ck_class_pubkey = { (CK_VOID_PTR)&s_class_pubkey, sizeof(s_class_pubkey) };
static const CK_OBJECT_CLASS s_class_privkey = CKO_PRIVATE_KEY;
NSS_IMPLEMENT_DATA const NSSItem
g_ck_class_privkey = { (CK_VOID_PTR)&s_class_privkey, sizeof(s_class_privkey) };
static PRBool
is_string_attribute (
CK_ATTRIBUTE_TYPE aType
)
{
PRBool isString;
switch (aType) {
case CKA_LABEL:
case CKA_NETSCAPE_EMAIL:
isString = PR_TRUE;
break;
default:
isString = PR_FALSE;
break;
}
return isString;
}
NSS_IMPLEMENT PRStatus
nssCKObject_GetAttributes (
CK_OBJECT_HANDLE object,
CK_ATTRIBUTE_PTR obj_template,
CK_ULONG count,
NSSArena *arenaOpt,
nssSession *session,
NSSSlot *slot
)
{
nssArenaMark *mark = NULL;
CK_SESSION_HANDLE hSession;
CK_ULONG i = 0;
CK_RV ckrv;
PRStatus nssrv;
PRBool alloced = PR_FALSE;
void *epv = nssSlot_GetCryptokiEPV(slot);
hSession = session->handle;
if (arenaOpt) {
mark = nssArena_Mark(arenaOpt);
if (!mark) {
goto loser;
}
}
nssSession_EnterMonitor(session);
/* XXX kinda hacky, if the storage size is already in the first template
* item, then skip the alloc portion
*/
if (obj_template[0].ulValueLen == 0) {
/* Get the storage size needed for each attribute */
ckrv = CKAPI(epv)->C_GetAttributeValue(hSession,
object, obj_template, count);
if (ckrv != CKR_OK &&
ckrv != CKR_ATTRIBUTE_TYPE_INVALID &&
ckrv != CKR_ATTRIBUTE_SENSITIVE)
{
nssSession_ExitMonitor(session);
nss_SetError(NSS_ERROR_DEVICE_ERROR);
goto loser;
}
/* Allocate memory for each attribute. */
for (i=0; i<count; i++) {
CK_ULONG ulValueLen = obj_template[i].ulValueLen;
if (ulValueLen == 0 || ulValueLen == (CK_ULONG) -1) {
obj_template[i].pValue = NULL;
obj_template[i].ulValueLen = 0;
continue;
}
if (is_string_attribute(obj_template[i].type)) {
ulValueLen++;
}
obj_template[i].pValue = nss_ZAlloc(arenaOpt, ulValueLen);
if (!obj_template[i].pValue) {
nssSession_ExitMonitor(session);
goto loser;
}
}
alloced = PR_TRUE;
}
/* Obtain the actual attribute values. */
ckrv = CKAPI(epv)->C_GetAttributeValue(hSession,
object, obj_template, count);
nssSession_ExitMonitor(session);
if (ckrv != CKR_OK &&
ckrv != CKR_ATTRIBUTE_TYPE_INVALID &&
ckrv != CKR_ATTRIBUTE_SENSITIVE)
{
nss_SetError(NSS_ERROR_DEVICE_ERROR);
goto loser;
}
if (alloced && arenaOpt) {
nssrv = nssArena_Unmark(arenaOpt, mark);
if (nssrv != PR_SUCCESS) {
goto loser;
}
}
if (count > 1 && ((ckrv == CKR_ATTRIBUTE_TYPE_INVALID) ||
(ckrv == CKR_ATTRIBUTE_SENSITIVE))) {
/* old tokens would keep the length of '0' and not deal with any
* of the attributes we passed. For those tokens read them one at
* a time */
for (i=0; i < count; i++) {
if ((obj_template[i].ulValueLen == 0)
|| (obj_template[i].ulValueLen == -1)) {
obj_template[i].ulValueLen=0;
(void) nssCKObject_GetAttributes(object,&obj_template[i], 1,
arenaOpt, session, slot);
}
}
}
return PR_SUCCESS;
loser:
if (alloced) {
if (arenaOpt) {
/* release all arena memory allocated before the failure. */
(void)nssArena_Release(arenaOpt, mark);
} else {
CK_ULONG j;
/* free each heap object that was allocated before the failure. */
for (j=0; j<i; j++) {
nss_ZFreeIf(obj_template[j].pValue);
}
}
}
return PR_FAILURE;
}
NSS_IMPLEMENT PRStatus
nssCKObject_GetAttributeItem (
CK_OBJECT_HANDLE object,
CK_ATTRIBUTE_TYPE attribute,
NSSArena *arenaOpt,
nssSession *session,
NSSSlot *slot,
NSSItem *rvItem
)
{
CK_ATTRIBUTE attr = { 0, NULL, 0 };
PRStatus nssrv;
attr.type = attribute;
nssrv = nssCKObject_GetAttributes(object, &attr, 1,
arenaOpt, session, slot);
if (nssrv != PR_SUCCESS) {
return nssrv;
}
rvItem->data = (void *)attr.pValue;
rvItem->size = (PRUint32)attr.ulValueLen;
return PR_SUCCESS;
}
NSS_IMPLEMENT PRBool
nssCKObject_IsAttributeTrue (
CK_OBJECT_HANDLE object,
CK_ATTRIBUTE_TYPE attribute,
nssSession *session,
NSSSlot *slot,
PRStatus *rvStatus
)
{
CK_BBOOL bool;
CK_ATTRIBUTE_PTR attr;
CK_ATTRIBUTE atemplate = { 0, NULL, 0 };
CK_RV ckrv;
void *epv = nssSlot_GetCryptokiEPV(slot);
attr = &atemplate;
NSS_CK_SET_ATTRIBUTE_VAR(attr, attribute, bool);
nssSession_EnterMonitor(session);
ckrv = CKAPI(epv)->C_GetAttributeValue(session->handle, object,
&atemplate, 1);
nssSession_ExitMonitor(session);
if (ckrv != CKR_OK) {
*rvStatus = PR_FAILURE;
return PR_FALSE;
}
*rvStatus = PR_SUCCESS;
return (PRBool)(bool == CK_TRUE);
}
NSS_IMPLEMENT PRStatus
nssCKObject_SetAttributes (
CK_OBJECT_HANDLE object,
CK_ATTRIBUTE_PTR obj_template,
CK_ULONG count,
nssSession *session,
NSSSlot *slot
)
{
CK_RV ckrv;
void *epv = nssSlot_GetCryptokiEPV(slot);
nssSession_EnterMonitor(session);
ckrv = CKAPI(epv)->C_SetAttributeValue(session->handle, object,
obj_template, count);
nssSession_ExitMonitor(session);
if (ckrv == CKR_OK) {
return PR_SUCCESS;
} else {
return PR_FAILURE;
}
}
NSS_IMPLEMENT PRBool
nssCKObject_IsTokenObjectTemplate (
CK_ATTRIBUTE_PTR objectTemplate,
CK_ULONG otsize
)
{
CK_ULONG ul;
for (ul=0; ul<otsize; ul++) {
if (objectTemplate[ul].type == CKA_TOKEN) {
return (*((CK_BBOOL*)objectTemplate[ul].pValue) == CK_TRUE);
}
}
return PR_FALSE;
}
static NSSCertificateType
nss_cert_type_from_ck_attrib(CK_ATTRIBUTE_PTR attrib)
{
CK_CERTIFICATE_TYPE ckCertType;
if (!attrib->pValue) {
/* default to PKIX */
return NSSCertificateType_PKIX;
}
ckCertType = *((CK_ULONG *)attrib->pValue);
switch (ckCertType) {
case CKC_X_509:
return NSSCertificateType_PKIX;
default:
break;
}
return NSSCertificateType_Unknown;
}
/* incoming pointers must be valid */
NSS_IMPLEMENT PRStatus
nssCryptokiCertificate_GetAttributes (
nssCryptokiObject *certObject,
nssSession *sessionOpt,
NSSArena *arenaOpt,
NSSCertificateType *certTypeOpt,
NSSItem *idOpt,
NSSDER *encodingOpt,
NSSDER *issuerOpt,
NSSDER *serialOpt,
NSSDER *subjectOpt
)
{
PRStatus status;
PRUint32 i;
nssSession *session;
NSSSlot *slot;
CK_ULONG template_size;
CK_ATTRIBUTE_PTR attr;
CK_ATTRIBUTE cert_template[6];
/* Set up a template of all options chosen by caller */
NSS_CK_TEMPLATE_START(cert_template, attr, template_size);
if (certTypeOpt) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_CERTIFICATE_TYPE);
}
if (idOpt) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_ID);
}
if (encodingOpt) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_VALUE);
}
if (issuerOpt) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_ISSUER);
}
if (serialOpt) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_SERIAL_NUMBER);
}
if (subjectOpt) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_SUBJECT);
}
NSS_CK_TEMPLATE_FINISH(cert_template, attr, template_size);
if (template_size == 0) {
/* caller didn't want anything */
return PR_SUCCESS;
}
status = nssToken_GetCachedObjectAttributes(certObject->token, arenaOpt,
certObject, CKO_CERTIFICATE,
cert_template, template_size);
if (status != PR_SUCCESS) {
session = sessionOpt ?
sessionOpt :
nssToken_GetDefaultSession(certObject->token);
if (!session) {
nss_SetError(NSS_ERROR_INVALID_ARGUMENT);
return PR_FAILURE;
}
slot = nssToken_GetSlot(certObject->token);
status = nssCKObject_GetAttributes(certObject->handle,
cert_template, template_size,
arenaOpt, session, slot);
nssSlot_Destroy(slot);
if (status != PR_SUCCESS) {
return status;
}
}
i=0;
if (certTypeOpt) {
*certTypeOpt = nss_cert_type_from_ck_attrib(&cert_template[i]); i++;
}
if (idOpt) {
NSS_CK_ATTRIBUTE_TO_ITEM(&cert_template[i], idOpt); i++;
}
if (encodingOpt) {
NSS_CK_ATTRIBUTE_TO_ITEM(&cert_template[i], encodingOpt); i++;
}
if (issuerOpt) {
NSS_CK_ATTRIBUTE_TO_ITEM(&cert_template[i], issuerOpt); i++;
}
if (serialOpt) {
NSS_CK_ATTRIBUTE_TO_ITEM(&cert_template[i], serialOpt); i++;
}
if (subjectOpt) {
NSS_CK_ATTRIBUTE_TO_ITEM(&cert_template[i], subjectOpt); i++;
}
return PR_SUCCESS;
}
static nssTrustLevel
get_nss_trust (
CK_TRUST ckt
)
{
nssTrustLevel t;
switch (ckt) {
case CKT_NETSCAPE_UNTRUSTED: t = nssTrustLevel_NotTrusted; break;
case CKT_NETSCAPE_TRUSTED_DELEGATOR: t = nssTrustLevel_TrustedDelegator;
break;
case CKT_NETSCAPE_VALID_DELEGATOR: t = nssTrustLevel_ValidDelegator; break;
case CKT_NETSCAPE_TRUSTED: t = nssTrustLevel_Trusted; break;
case CKT_NETSCAPE_VALID: t = nssTrustLevel_Valid; break;
case CKT_NETSCAPE_MUST_VERIFY:
case CKT_NETSCAPE_TRUST_UNKNOWN:
default:
t = nssTrustLevel_Unknown; break;
}
return t;
}
NSS_IMPLEMENT PRStatus
nssCryptokiTrust_GetAttributes (
nssCryptokiObject *trustObject,
nssSession *sessionOpt,
NSSItem *sha1_hash,
nssTrustLevel *serverAuth,
nssTrustLevel *clientAuth,
nssTrustLevel *codeSigning,
nssTrustLevel *emailProtection,
PRBool *stepUpApproved
)
{
PRStatus status;
NSSSlot *slot;
nssSession *session;
CK_BBOOL isToken = PR_FALSE;
CK_BBOOL stepUp = PR_FALSE;
CK_TRUST saTrust = CKT_NETSCAPE_TRUST_UNKNOWN;
CK_TRUST caTrust = CKT_NETSCAPE_TRUST_UNKNOWN;
CK_TRUST epTrust = CKT_NETSCAPE_TRUST_UNKNOWN;
CK_TRUST csTrust = CKT_NETSCAPE_TRUST_UNKNOWN;
CK_ATTRIBUTE_PTR attr;
CK_ATTRIBUTE trust_template[7];
CK_ULONG trust_size;
/* Use the trust object to find the trust settings */
NSS_CK_TEMPLATE_START(trust_template, attr, trust_size);
NSS_CK_SET_ATTRIBUTE_VAR(attr, CKA_TOKEN, isToken);
NSS_CK_SET_ATTRIBUTE_VAR(attr, CKA_TRUST_SERVER_AUTH, saTrust);
NSS_CK_SET_ATTRIBUTE_VAR(attr, CKA_TRUST_CLIENT_AUTH, caTrust);
NSS_CK_SET_ATTRIBUTE_VAR(attr, CKA_TRUST_EMAIL_PROTECTION, epTrust);
NSS_CK_SET_ATTRIBUTE_VAR(attr, CKA_TRUST_CODE_SIGNING, csTrust);
NSS_CK_SET_ATTRIBUTE_VAR(attr, CKA_TRUST_STEP_UP_APPROVED, stepUp);
NSS_CK_SET_ATTRIBUTE_ITEM(attr, CKA_CERT_SHA1_HASH, sha1_hash);
NSS_CK_TEMPLATE_FINISH(trust_template, attr, trust_size);
status = nssToken_GetCachedObjectAttributes(trustObject->token, NULL,
trustObject,
CKO_NETSCAPE_TRUST,
trust_template, trust_size);
if (status != PR_SUCCESS) {
session = sessionOpt ?
sessionOpt :
nssToken_GetDefaultSession(trustObject->token);
if (!session) {
nss_SetError(NSS_ERROR_INVALID_ARGUMENT);
return PR_FAILURE;
}
slot = nssToken_GetSlot(trustObject->token);
status = nssCKObject_GetAttributes(trustObject->handle,
trust_template, trust_size,
NULL, session, slot);
nssSlot_Destroy(slot);
if (status != PR_SUCCESS) {
return status;
}
}
*serverAuth = get_nss_trust(saTrust);
*clientAuth = get_nss_trust(caTrust);
*emailProtection = get_nss_trust(epTrust);
*codeSigning = get_nss_trust(csTrust);
*stepUpApproved = stepUp;
return PR_SUCCESS;
}
NSS_IMPLEMENT PRStatus
nssCryptokiCRL_GetAttributes (
nssCryptokiObject *crlObject,
nssSession *sessionOpt,
NSSArena *arenaOpt,
NSSItem *encodingOpt,
NSSItem *subjectOpt,
CK_ULONG* crl_class,
NSSUTF8 **urlOpt,
PRBool *isKRLOpt
)
{
PRStatus status;
NSSSlot *slot;
nssSession *session;
CK_ATTRIBUTE_PTR attr;
CK_ATTRIBUTE crl_template[7];
CK_ULONG crl_size;
PRUint32 i;
NSS_CK_TEMPLATE_START(crl_template, attr, crl_size);
if (crl_class) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_CLASS);
}
if (encodingOpt) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_VALUE);
}
if (urlOpt) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_NETSCAPE_URL);
}
if (isKRLOpt) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_NETSCAPE_KRL);
}
if (subjectOpt) {
NSS_CK_SET_ATTRIBUTE_NULL(attr, CKA_SUBJECT);
}
NSS_CK_TEMPLATE_FINISH(crl_template, attr, crl_size);
status = nssToken_GetCachedObjectAttributes(crlObject->token, NULL,
crlObject,
CKO_NETSCAPE_CRL,
crl_template, crl_size);
if (status != PR_SUCCESS) {
session = sessionOpt ?
sessionOpt :
nssToken_GetDefaultSession(crlObject->token);
if (session == NULL) {
nss_SetError(NSS_ERROR_INVALID_ARGUMENT);
return PR_FAILURE;
}
slot = nssToken_GetSlot(crlObject->token);
status = nssCKObject_GetAttributes(crlObject->handle,
crl_template, crl_size,
arenaOpt, session, slot);
nssSlot_Destroy(slot);
if (status != PR_SUCCESS) {
return status;
}
}
i=0;
if (crl_class) {
NSS_CK_ATTRIBUTE_TO_ULONG(&crl_template[i], *crl_class); i++;
}
if (encodingOpt) {
NSS_CK_ATTRIBUTE_TO_ITEM(&crl_template[i], encodingOpt); i++;
}
if (urlOpt) {
NSS_CK_ATTRIBUTE_TO_UTF8(&crl_template[i], *urlOpt); i++;
}
if (isKRLOpt) {
NSS_CK_ATTRIBUTE_TO_BOOL(&crl_template[i], *isKRLOpt); i++;
}
if (subjectOpt) {
NSS_CK_ATTRIBUTE_TO_ITEM(&crl_template[i], subjectOpt); i++;
}
return PR_SUCCESS;
}
NSS_IMPLEMENT PRStatus
nssCryptokiPrivateKey_SetCertificate (
nssCryptokiObject *keyObject,
nssSession *sessionOpt,
const NSSUTF8 *nickname,
NSSItem *id,
NSSDER *subject
)
{
CK_RV ckrv;
CK_ATTRIBUTE_PTR attr;
CK_ATTRIBUTE key_template[3];
CK_ULONG key_size;
void *epv = nssToken_GetCryptokiEPV(keyObject->token);
nssSession *session;
NSSToken *token = keyObject->token;
nssSession *defaultSession = nssToken_GetDefaultSession(token);
PRBool createdSession = PR_FALSE;
NSS_CK_TEMPLATE_START(key_template, attr, key_size);
NSS_CK_SET_ATTRIBUTE_UTF8(attr, CKA_LABEL, nickname);
NSS_CK_SET_ATTRIBUTE_ITEM(attr, CKA_ID, id);
NSS_CK_SET_ATTRIBUTE_ITEM(attr, CKA_SUBJECT, subject);
NSS_CK_TEMPLATE_FINISH(key_template, attr, key_size);
if (sessionOpt) {
if (!nssSession_IsReadWrite(sessionOpt)) {
return PR_FAILURE;
}
session = sessionOpt;
} else if (defaultSession && nssSession_IsReadWrite(defaultSession)) {
session = defaultSession;
} else {
NSSSlot *slot = nssToken_GetSlot(token);
session = nssSlot_CreateSession(token->slot, NULL, PR_TRUE);
nssSlot_Destroy(slot);
if (!session) {
return PR_FAILURE;
}
createdSession = PR_TRUE;
}
ckrv = CKAPI(epv)->C_SetAttributeValue(session->handle,
keyObject->handle,
key_template,
key_size);
if (createdSession) {
nssSession_Destroy(session);
}
return (ckrv == CKR_OK) ? PR_SUCCESS : PR_FAILURE;
}
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