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e0d84f35cb
gecko/security/nss/lib/dev/devutil.c
Benjamin Smedberg e0d84f35cb Import NSS_3_12_RC4
2008-06-06 08:40:11 -04:00

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29 KiB
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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: devutil.c,v $ $Revision: 1.29 $ $Date: 2007/11/16 05:29:25 $";
#endif /* DEBUG */
#ifndef DEVM_H
#include "devm.h"
#endif /* DEVM_H */
#ifndef CKHELPER_H
#include "ckhelper.h"
#endif /* CKHELPER_H */
NSS_IMPLEMENT nssCryptokiObject *
nssCryptokiObject_Create (
NSSToken *t,
nssSession *session,
CK_OBJECT_HANDLE h
)
{
PRStatus status;
NSSSlot *slot;
nssCryptokiObject *object;
CK_BBOOL *isTokenObject;
CK_ATTRIBUTE cert_template[] = {
{ CKA_TOKEN, NULL, 0 },
{ CKA_LABEL, NULL, 0 }
};
slot = nssToken_GetSlot(t);
status = nssCKObject_GetAttributes(h, cert_template, 2,
NULL, session, slot);
nssSlot_Destroy(slot);
if (status != PR_SUCCESS) {
/* a failure here indicates a device error */
return (nssCryptokiObject *)NULL;
}
object = nss_ZNEW(NULL, nssCryptokiObject);
if (!object) {
return (nssCryptokiObject *)NULL;
}
object->handle = h;
object->token = nssToken_AddRef(t);
isTokenObject = (CK_BBOOL *)cert_template[0].pValue;
object->isTokenObject = *isTokenObject;
nss_ZFreeIf(isTokenObject);
NSS_CK_ATTRIBUTE_TO_UTF8(&cert_template[1], object->label);
return object;
}
NSS_IMPLEMENT void
nssCryptokiObject_Destroy (
nssCryptokiObject *object
)
{
if (object) {
nssToken_Destroy(object->token);
nss_ZFreeIf(object->label);
nss_ZFreeIf(object);
}
}
NSS_IMPLEMENT nssCryptokiObject *
nssCryptokiObject_Clone (
nssCryptokiObject *object
)
{
nssCryptokiObject *rvObject;
rvObject = nss_ZNEW(NULL, nssCryptokiObject);
if (rvObject) {
rvObject->handle = object->handle;
rvObject->token = nssToken_AddRef(object->token);
rvObject->isTokenObject = object->isTokenObject;
if (object->label) {
rvObject->label = nssUTF8_Duplicate(object->label, NULL);
}
}
return rvObject;
}
NSS_EXTERN PRBool
nssCryptokiObject_Equal (
nssCryptokiObject *o1,
nssCryptokiObject *o2
)
{
return (o1->token == o2->token && o1->handle == o2->handle);
}
NSS_IMPLEMENT PRUint32
nssPKCS11String_Length(CK_CHAR *pkcs11Str, PRUint32 bufLen)
{
PRInt32 i;
for (i = bufLen - 1; i>=0; ) {
if (pkcs11Str[i] != ' ' && pkcs11Str[i] != '\0') break;
--i;
}
return (PRUint32)(i + 1);
}
/*
* Slot arrays
*/
NSS_IMPLEMENT NSSSlot **
nssSlotArray_Clone (
NSSSlot **slots
)
{
NSSSlot **rvSlots = NULL;
NSSSlot **sp = slots;
PRUint32 count = 0;
while (sp && *sp) count++;
if (count > 0) {
rvSlots = nss_ZNEWARRAY(NULL, NSSSlot *, count + 1);
if (rvSlots) {
sp = slots;
count = 0;
for (sp = slots; *sp; sp++) {
rvSlots[count++] = nssSlot_AddRef(*sp);
}
}
}
return rvSlots;
}
NSS_IMPLEMENT void
nssSlotArray_Destroy (
NSSSlot **slots
)
{
if (slots) {
NSSSlot **slotp;
for (slotp = slots; *slotp; slotp++) {
nssSlot_Destroy(*slotp);
}
nss_ZFreeIf(slots);
}
}
NSS_IMPLEMENT void
NSSSlotArray_Destroy (
NSSSlot **slots
)
{
nssSlotArray_Destroy(slots);
}
NSS_IMPLEMENT void
nssTokenArray_Destroy (
NSSToken **tokens
)
{
if (tokens) {
NSSToken **tokenp;
for (tokenp = tokens; *tokenp; tokenp++) {
nssToken_Destroy(*tokenp);
}
nss_ZFreeIf(tokens);
}
}
NSS_IMPLEMENT void
NSSTokenArray_Destroy (
NSSToken **tokens
)
{
nssTokenArray_Destroy(tokens);
}
NSS_IMPLEMENT void
nssCryptokiObjectArray_Destroy (
nssCryptokiObject **objects
)
{
if (objects) {
nssCryptokiObject **op;
for (op = objects; *op; op++) {
nssCryptokiObject_Destroy(*op);
}
nss_ZFreeIf(objects);
}
}
/* object cache for token */
typedef struct
{
NSSArena *arena;
nssCryptokiObject *object;
CK_ATTRIBUTE_PTR attributes;
CK_ULONG numAttributes;
}
nssCryptokiObjectAndAttributes;
enum {
cachedCerts = 0,
cachedTrust = 1,
cachedCRLs = 2
} cachedObjectType;
struct nssTokenObjectCacheStr
{
NSSToken *token;
PZLock *lock;
PRBool loggedIn;
PRBool doObjectType[3];
PRBool searchedObjectType[3];
nssCryptokiObjectAndAttributes **objects[3];
};
NSS_IMPLEMENT nssTokenObjectCache *
nssTokenObjectCache_Create (
NSSToken *token,
PRBool cacheCerts,
PRBool cacheTrust,
PRBool cacheCRLs
)
{
nssTokenObjectCache *rvCache;
rvCache = nss_ZNEW(NULL, nssTokenObjectCache);
if (!rvCache) {
goto loser;
}
rvCache->lock = PZ_NewLock(nssILockOther); /* XXX */
if (!rvCache->lock) {
goto loser;
}
rvCache->doObjectType[cachedCerts] = cacheCerts;
rvCache->doObjectType[cachedTrust] = cacheTrust;
rvCache->doObjectType[cachedCRLs] = cacheCRLs;
rvCache->token = token; /* cache goes away with token */
return rvCache;
loser:
return (nssTokenObjectCache *)NULL;
}
static void
clear_cache (
nssTokenObjectCache *cache
)
{
nssCryptokiObjectAndAttributes **oa;
PRUint32 objectType;
for (objectType = cachedCerts; objectType <= cachedCRLs; objectType++) {
cache->searchedObjectType[objectType] = PR_FALSE;
if (!cache->objects[objectType]) {
continue;
}
for (oa = cache->objects[objectType]; *oa; oa++) {
/* prevent the token from being destroyed */
(*oa)->object->token = NULL;
nssCryptokiObject_Destroy((*oa)->object);
nssArena_Destroy((*oa)->arena);
}
nss_ZFreeIf(cache->objects[objectType]);
cache->objects[objectType] = NULL;
}
}
NSS_IMPLEMENT void
nssTokenObjectCache_Clear (
nssTokenObjectCache *cache
)
{
if (cache) {
PZ_Lock(cache->lock);
clear_cache(cache);
PZ_Unlock(cache->lock);
}
}
NSS_IMPLEMENT void
nssTokenObjectCache_Destroy (
nssTokenObjectCache *cache
)
{
if (cache) {
clear_cache(cache);
PZ_DestroyLock(cache->lock);
nss_ZFreeIf(cache);
}
}
NSS_IMPLEMENT PRBool
nssTokenObjectCache_HaveObjectClass (
nssTokenObjectCache *cache,
CK_OBJECT_CLASS objclass
)
{
PRBool haveIt;
PZ_Lock(cache->lock);
switch (objclass) {
case CKO_CERTIFICATE: haveIt = cache->doObjectType[cachedCerts]; break;
case CKO_NETSCAPE_TRUST: haveIt = cache->doObjectType[cachedTrust]; break;
case CKO_NETSCAPE_CRL: haveIt = cache->doObjectType[cachedCRLs]; break;
default: haveIt = PR_FALSE;
}
PZ_Unlock(cache->lock);
return haveIt;
}
static nssCryptokiObjectAndAttributes **
create_object_array (
nssCryptokiObject **objects,
PRBool *doObjects,
PRUint32 *numObjects,
PRStatus *status
)
{
nssCryptokiObjectAndAttributes **rvOandA = NULL;
*numObjects = 0;
/* There are no objects for this type */
if (!objects || !*objects) {
*status = PR_SUCCESS;
return rvOandA;
}
while (*objects++) (*numObjects)++;
if (*numObjects >= MAX_LOCAL_CACHE_OBJECTS) {
/* Hit the maximum allowed, so don't use a cache (there are
* too many objects to make caching worthwhile, presumably, if
* the token can handle that many objects, it can handle searching.
*/
*doObjects = PR_FALSE;
*status = PR_FAILURE;
*numObjects = 0;
} else {
rvOandA = nss_ZNEWARRAY(NULL,
nssCryptokiObjectAndAttributes *,
*numObjects + 1);
*status = rvOandA ? PR_SUCCESS : PR_FAILURE;
}
return rvOandA;
}
static nssCryptokiObjectAndAttributes *
create_object (
nssCryptokiObject *object,
const CK_ATTRIBUTE_TYPE *types,
PRUint32 numTypes,
PRStatus *status
)
{
PRUint32 j;
NSSArena *arena;
NSSSlot *slot = NULL;
nssSession *session = NULL;
nssCryptokiObjectAndAttributes *rvCachedObject = NULL;
slot = nssToken_GetSlot(object->token);
if (!slot) {
nss_SetError(NSS_ERROR_INVALID_POINTER);
goto loser;
}
session = nssToken_GetDefaultSession(object->token);
arena = nssArena_Create();
if (!arena) {
goto loser;
}
rvCachedObject = nss_ZNEW(arena, nssCryptokiObjectAndAttributes);
if (!rvCachedObject) {
goto loser;
}
rvCachedObject->arena = arena;
/* The cache is tied to the token, and therefore the objects
* in it should not hold references to the token.
*/
nssToken_Destroy(object->token);
rvCachedObject->object = object;
rvCachedObject->attributes = nss_ZNEWARRAY(arena, CK_ATTRIBUTE, numTypes);
if (!rvCachedObject->attributes) {
goto loser;
}
for (j=0; j<numTypes; j++) {
rvCachedObject->attributes[j].type = types[j];
}
*status = nssCKObject_GetAttributes(object->handle,
rvCachedObject->attributes,
numTypes,
arena,
session,
slot);
if (*status != PR_SUCCESS) {
goto loser;
}
rvCachedObject->numAttributes = numTypes;
*status = PR_SUCCESS;
nssSlot_Destroy(slot);
return rvCachedObject;
loser:
*status = PR_FAILURE;
if (slot) {
nssSlot_Destroy(slot);
}
if (arena)
nssArena_Destroy(arena);
return (nssCryptokiObjectAndAttributes *)NULL;
}
/*
*
* State diagram for cache:
*
* token !present token removed
* +-------------------------+<----------------------+
* | ^ |
* v | |
* +----------+ slot friendly | token present +----------+
* | cache | -----------------> % ---------------> | cache |
* | unloaded | | loaded |
* +----------+ +----------+
* ^ | ^ |
* | | slot !friendly slot logged in | |
* | +-----------------------> % ----------------------+ |
* | | |
* | slot logged out v slot !friendly |
* +-----------------------------+<--------------------------+
*
*/
/* This function must not be called with cache->lock locked. */
static PRBool
token_is_present (
nssTokenObjectCache *cache
)
{
NSSSlot *slot = nssToken_GetSlot(cache->token);
PRBool tokenPresent = nssSlot_IsTokenPresent(slot);
nssSlot_Destroy(slot);
return tokenPresent;
}
static PRBool
search_for_objects (
nssTokenObjectCache *cache
)
{
PRBool doSearch = PR_FALSE;
NSSSlot *slot = nssToken_GetSlot(cache->token);
/* Handle non-friendly slots (slots which require login for objects) */
if (!nssSlot_IsFriendly(slot)) {
if (nssSlot_IsLoggedIn(slot)) {
/* Either no state change, or went from !logged in -> logged in */
cache->loggedIn = PR_TRUE;
doSearch = PR_TRUE;
} else {
if (cache->loggedIn) {
/* went from logged in -> !logged in, destroy cached objects */
clear_cache(cache);
cache->loggedIn = PR_FALSE;
} /* else no state change, still not logged in, so exit */
}
} else {
/* slot is friendly, thus always available for search */
doSearch = PR_TRUE;
}
nssSlot_Destroy(slot);
return doSearch;
}
static nssCryptokiObjectAndAttributes *
create_cert (
nssCryptokiObject *object,
PRStatus *status
)
{
static const CK_ATTRIBUTE_TYPE certAttr[] = {
CKA_CLASS,
CKA_TOKEN,
CKA_LABEL,
CKA_CERTIFICATE_TYPE,
CKA_ID,
CKA_VALUE,
CKA_ISSUER,
CKA_SERIAL_NUMBER,
CKA_SUBJECT,
CKA_NETSCAPE_EMAIL
};
static const PRUint32 numCertAttr = sizeof(certAttr) / sizeof(certAttr[0]);
return create_object(object, certAttr, numCertAttr, status);
}
static PRStatus
get_token_certs_for_cache (
nssTokenObjectCache *cache
)
{
PRStatus status;
nssCryptokiObject **objects;
PRBool *doIt = &cache->doObjectType[cachedCerts];
PRUint32 i, numObjects;
if (!search_for_objects(cache) ||
cache->searchedObjectType[cachedCerts] ||
!cache->doObjectType[cachedCerts])
{
/* Either there was a state change that prevents a search
* (token logged out), or the search was already done,
* or certs are not being cached.
*/
return PR_SUCCESS;
}
objects = nssToken_FindCertificates(cache->token, NULL,
nssTokenSearchType_TokenForced,
MAX_LOCAL_CACHE_OBJECTS, &status);
if (status != PR_SUCCESS) {
return status;
}
cache->objects[cachedCerts] = create_object_array(objects,
doIt,
&numObjects,
&status);
if (status != PR_SUCCESS) {
return status;
}
for (i=0; i<numObjects; i++) {
cache->objects[cachedCerts][i] = create_cert(objects[i], &status);
if (status != PR_SUCCESS) {
break;
}
}
if (status == PR_SUCCESS) {
nss_ZFreeIf(objects);
} else {
PRUint32 j;
for (j=0; j<i; j++) {
/* sigh */
nssToken_AddRef(cache->objects[cachedCerts][j]->object->token);
nssArena_Destroy(cache->objects[cachedCerts][j]->arena);
}
nssCryptokiObjectArray_Destroy(objects);
}
cache->searchedObjectType[cachedCerts] = PR_TRUE;
return status;
}
static nssCryptokiObjectAndAttributes *
create_trust (
nssCryptokiObject *object,
PRStatus *status
)
{
static const CK_ATTRIBUTE_TYPE trustAttr[] = {
CKA_CLASS,
CKA_TOKEN,
CKA_LABEL,
CKA_CERT_SHA1_HASH,
CKA_CERT_MD5_HASH,
CKA_ISSUER,
CKA_SUBJECT,
CKA_TRUST_SERVER_AUTH,
CKA_TRUST_CLIENT_AUTH,
CKA_TRUST_EMAIL_PROTECTION,
CKA_TRUST_CODE_SIGNING
};
static const PRUint32 numTrustAttr = sizeof(trustAttr) / sizeof(trustAttr[0]);
return create_object(object, trustAttr, numTrustAttr, status);
}
static PRStatus
get_token_trust_for_cache (
nssTokenObjectCache *cache
)
{
PRStatus status;
nssCryptokiObject **objects;
PRBool *doIt = &cache->doObjectType[cachedTrust];
PRUint32 i, numObjects;
if (!search_for_objects(cache) ||
cache->searchedObjectType[cachedTrust] ||
!cache->doObjectType[cachedTrust])
{
/* Either there was a state change that prevents a search
* (token logged out), or the search was already done,
* or trust is not being cached.
*/
return PR_SUCCESS;
}
objects = nssToken_FindTrustObjects(cache->token, NULL,
nssTokenSearchType_TokenForced,
MAX_LOCAL_CACHE_OBJECTS, &status);
if (status != PR_SUCCESS) {
return status;
}
cache->objects[cachedTrust] = create_object_array(objects,
doIt,
&numObjects,
&status);
if (status != PR_SUCCESS) {
return status;
}
for (i=0; i<numObjects; i++) {
cache->objects[cachedTrust][i] = create_trust(objects[i], &status);
if (status != PR_SUCCESS) {
break;
}
}
if (status == PR_SUCCESS) {
nss_ZFreeIf(objects);
} else {
PRUint32 j;
for (j=0; j<i; j++) {
/* sigh */
nssToken_AddRef(cache->objects[cachedTrust][j]->object->token);
nssArena_Destroy(cache->objects[cachedTrust][j]->arena);
}
nssCryptokiObjectArray_Destroy(objects);
}
cache->searchedObjectType[cachedTrust] = PR_TRUE;
return status;
}
static nssCryptokiObjectAndAttributes *
create_crl (
nssCryptokiObject *object,
PRStatus *status
)
{
static const CK_ATTRIBUTE_TYPE crlAttr[] = {
CKA_CLASS,
CKA_TOKEN,
CKA_LABEL,
CKA_VALUE,
CKA_SUBJECT,
CKA_NETSCAPE_KRL,
CKA_NETSCAPE_URL
};
static const PRUint32 numCRLAttr = sizeof(crlAttr) / sizeof(crlAttr[0]);
return create_object(object, crlAttr, numCRLAttr, status);
}
static PRStatus
get_token_crls_for_cache (
nssTokenObjectCache *cache
)
{
PRStatus status;
nssCryptokiObject **objects;
PRBool *doIt = &cache->doObjectType[cachedCRLs];
PRUint32 i, numObjects;
if (!search_for_objects(cache) ||
cache->searchedObjectType[cachedCRLs] ||
!cache->doObjectType[cachedCRLs])
{
/* Either there was a state change that prevents a search
* (token logged out), or the search was already done,
* or CRLs are not being cached.
*/
return PR_SUCCESS;
}
objects = nssToken_FindCRLs(cache->token, NULL,
nssTokenSearchType_TokenForced,
MAX_LOCAL_CACHE_OBJECTS, &status);
if (status != PR_SUCCESS) {
return status;
}
cache->objects[cachedCRLs] = create_object_array(objects,
doIt,
&numObjects,
&status);
if (status != PR_SUCCESS) {
return status;
}
for (i=0; i<numObjects; i++) {
cache->objects[cachedCRLs][i] = create_crl(objects[i], &status);
if (status != PR_SUCCESS) {
break;
}
}
if (status == PR_SUCCESS) {
nss_ZFreeIf(objects);
} else {
PRUint32 j;
for (j=0; j<i; j++) {
/* sigh */
nssToken_AddRef(cache->objects[cachedCRLs][j]->object->token);
nssArena_Destroy(cache->objects[cachedCRLs][j]->arena);
}
nssCryptokiObjectArray_Destroy(objects);
}
cache->searchedObjectType[cachedCRLs] = PR_TRUE;
return status;
}
static CK_ATTRIBUTE_PTR
find_attribute_in_object (
nssCryptokiObjectAndAttributes *obj,
CK_ATTRIBUTE_TYPE attrType
)
{
PRUint32 j;
for (j=0; j<obj->numAttributes; j++) {
if (attrType == obj->attributes[j].type) {
return &obj->attributes[j];
}
}
return (CK_ATTRIBUTE_PTR)NULL;
}
/* Find all objects in the array that match the supplied template */
static nssCryptokiObject **
find_objects_in_array (
nssCryptokiObjectAndAttributes **objArray,
CK_ATTRIBUTE_PTR ot,
CK_ULONG otlen,
PRUint32 maximumOpt
)
{
PRIntn oi = 0;
PRUint32 i;
NSSArena *arena;
PRUint32 size = 8;
PRUint32 numMatches = 0;
nssCryptokiObject **objects = NULL;
nssCryptokiObjectAndAttributes **matches = NULL;
CK_ATTRIBUTE_PTR attr;
if (!objArray) {
return (nssCryptokiObject **)NULL;
}
arena = nssArena_Create();
if (!arena) {
return (nssCryptokiObject **)NULL;
}
matches = nss_ZNEWARRAY(arena, nssCryptokiObjectAndAttributes *, size);
if (!matches) {
goto loser;
}
if (maximumOpt == 0) maximumOpt = ~0;
/* loop over the cached objects */
for (; *objArray && numMatches < maximumOpt; objArray++) {
nssCryptokiObjectAndAttributes *obj = *objArray;
/* loop over the test template */
for (i=0; i<otlen; i++) {
/* see if the object has the attribute */
attr = find_attribute_in_object(obj, ot[i].type);
if (!attr) {
/* nope, match failed */
break;
}
/* compare the attribute against the test value */
if (ot[i].ulValueLen != attr->ulValueLen ||
!nsslibc_memequal(ot[i].pValue,
attr->pValue,
attr->ulValueLen, NULL))
{
/* nope, match failed */
break;
}
}
if (i == otlen) {
/* all of the attributes in the test template were found
* in the object's template, and they all matched
*/
matches[numMatches++] = obj;
if (numMatches == size) {
size *= 2;
matches = nss_ZREALLOCARRAY(matches,
nssCryptokiObjectAndAttributes *,
size);
if (!matches) {
goto loser;
}
}
}
}
if (numMatches > 0) {
objects = nss_ZNEWARRAY(NULL, nssCryptokiObject *, numMatches + 1);
if (!objects) {
goto loser;
}
for (oi=0; oi<(PRIntn)numMatches; oi++) {
objects[oi] = nssCryptokiObject_Clone(matches[oi]->object);
if (!objects[oi]) {
goto loser;
}
}
}
nssArena_Destroy(arena);
return objects;
loser:
if (objects) {
for (--oi; oi>=0; --oi) {
nssCryptokiObject_Destroy(objects[oi]);
}
}
nssArena_Destroy(arena);
return (nssCryptokiObject **)NULL;
}
NSS_IMPLEMENT nssCryptokiObject **
nssTokenObjectCache_FindObjectsByTemplate (
nssTokenObjectCache *cache,
CK_OBJECT_CLASS objclass,
CK_ATTRIBUTE_PTR otemplate,
CK_ULONG otlen,
PRUint32 maximumOpt,
PRStatus *statusOpt
)
{
PRStatus status = PR_FAILURE;
nssCryptokiObject **rvObjects = NULL;
if (!token_is_present(cache)) {
status = PR_SUCCESS;
goto finish;
}
PZ_Lock(cache->lock);
switch (objclass) {
case CKO_CERTIFICATE:
if (cache->doObjectType[cachedCerts]) {
status = get_token_certs_for_cache(cache);
if (status != PR_SUCCESS) {
goto unlock;
}
rvObjects = find_objects_in_array(cache->objects[cachedCerts],
otemplate, otlen, maximumOpt);
}
break;
case CKO_NETSCAPE_TRUST:
if (cache->doObjectType[cachedTrust]) {
status = get_token_trust_for_cache(cache);
if (status != PR_SUCCESS) {
goto unlock;
}
rvObjects = find_objects_in_array(cache->objects[cachedTrust],
otemplate, otlen, maximumOpt);
}
break;
case CKO_NETSCAPE_CRL:
if (cache->doObjectType[cachedCRLs]) {
status = get_token_crls_for_cache(cache);
if (status != PR_SUCCESS) {
goto unlock;
}
rvObjects = find_objects_in_array(cache->objects[cachedCRLs],
otemplate, otlen, maximumOpt);
}
break;
default: break;
}
unlock:
PZ_Unlock(cache->lock);
finish:
if (statusOpt) {
*statusOpt = status;
}
return rvObjects;
}
static PRBool
cache_available_for_object_type (
nssTokenObjectCache *cache,
PRUint32 objectType
)
{
if (!cache->doObjectType[objectType]) {
/* not caching this object kind */
return PR_FALSE;
}
if (!cache->searchedObjectType[objectType]) {
/* objects are not cached yet */
return PR_FALSE;
}
if (!search_for_objects(cache)) {
/* not logged in */
return PR_FALSE;
}
return PR_TRUE;
}
NSS_IMPLEMENT PRStatus
nssTokenObjectCache_GetObjectAttributes (
nssTokenObjectCache *cache,
NSSArena *arenaOpt,
nssCryptokiObject *object,
CK_OBJECT_CLASS objclass,
CK_ATTRIBUTE_PTR atemplate,
CK_ULONG atlen
)
{
PRUint32 i, j;
NSSArena *arena = NULL;
nssArenaMark *mark = NULL;
nssCryptokiObjectAndAttributes *cachedOA = NULL;
nssCryptokiObjectAndAttributes **oa = NULL;
PRUint32 objectType;
if (!token_is_present(cache)) {
return PR_FAILURE;
}
PZ_Lock(cache->lock);
switch (objclass) {
case CKO_CERTIFICATE: objectType = cachedCerts; break;
case CKO_NETSCAPE_TRUST: objectType = cachedTrust; break;
case CKO_NETSCAPE_CRL: objectType = cachedCRLs; break;
default: goto loser;
}
if (!cache_available_for_object_type(cache, objectType)) {
goto loser;
}
oa = cache->objects[objectType];
if (!oa) {
goto loser;
}
for (; *oa; oa++) {
if (nssCryptokiObject_Equal((*oa)->object, object)) {
cachedOA = *oa;
break;
}
}
if (!cachedOA) {
goto loser; /* don't have this object */
}
if (arenaOpt) {
arena = arenaOpt;
mark = nssArena_Mark(arena);
}
for (i=0; i<atlen; i++) {
for (j=0; j<cachedOA->numAttributes; j++) {
if (atemplate[i].type == cachedOA->attributes[j].type) {
CK_ATTRIBUTE_PTR attr = &cachedOA->attributes[j];
if (cachedOA->attributes[j].ulValueLen == 0 ||
cachedOA->attributes[j].ulValueLen == (CK_ULONG)-1)
{
break; /* invalid attribute */
}
if (atemplate[i].ulValueLen > 0) {
if (atemplate[i].pValue == NULL ||
atemplate[i].ulValueLen < attr->ulValueLen)
{
goto loser;
}
} else {
atemplate[i].pValue = nss_ZAlloc(arena, attr->ulValueLen);
if (!atemplate[i].pValue) {
goto loser;
}
}
nsslibc_memcpy(atemplate[i].pValue,
attr->pValue, attr->ulValueLen);
atemplate[i].ulValueLen = attr->ulValueLen;
break;
}
}
if (j == cachedOA->numAttributes) {
atemplate[i].ulValueLen = (CK_ULONG)-1;
}
}
PZ_Unlock(cache->lock);
if (mark) {
nssArena_Unmark(arena, mark);
}
return PR_SUCCESS;
loser:
PZ_Unlock(cache->lock);
if (mark) {
nssArena_Release(arena, mark);
}
return PR_FAILURE;
}
NSS_IMPLEMENT PRStatus
nssTokenObjectCache_ImportObject (
nssTokenObjectCache *cache,
nssCryptokiObject *object,
CK_OBJECT_CLASS objclass,
CK_ATTRIBUTE_PTR ot,
CK_ULONG otlen
)
{
PRStatus status = PR_SUCCESS;
PRUint32 count;
nssCryptokiObjectAndAttributes **oa, ***otype;
PRUint32 objectType;
PRBool haveIt = PR_FALSE;
if (!token_is_present(cache)) {
return PR_SUCCESS; /* cache not active, ignored */
}
PZ_Lock(cache->lock);
switch (objclass) {
case CKO_CERTIFICATE: objectType = cachedCerts; break;
case CKO_NETSCAPE_TRUST: objectType = cachedTrust; break;
case CKO_NETSCAPE_CRL: objectType = cachedCRLs; break;
default:
PZ_Unlock(cache->lock);
return PR_SUCCESS; /* don't need to import it here */
}
if (!cache_available_for_object_type(cache, objectType)) {
PZ_Unlock(cache->lock);
return PR_SUCCESS; /* cache not active, ignored */
}
count = 0;
otype = &cache->objects[objectType]; /* index into array of types */
oa = *otype; /* the array of objects for this type */
while (oa && *oa) {
if (nssCryptokiObject_Equal((*oa)->object, object)) {
haveIt = PR_TRUE;
break;
}
count++;
oa++;
}
if (haveIt) {
/* Destroy the old entry */
(*oa)->object->token = NULL;
nssCryptokiObject_Destroy((*oa)->object);
nssArena_Destroy((*oa)->arena);
} else {
/* Create space for a new entry */
if (count > 0) {
*otype = nss_ZREALLOCARRAY(*otype,
nssCryptokiObjectAndAttributes *,
count + 2);
} else {
*otype = nss_ZNEWARRAY(NULL, nssCryptokiObjectAndAttributes *, 2);
}
}
if (*otype) {
nssCryptokiObject *copyObject = nssCryptokiObject_Clone(object);
if (objectType == cachedCerts) {
(*otype)[count] = create_cert(copyObject, &status);
} else if (objectType == cachedTrust) {
(*otype)[count] = create_trust(copyObject, &status);
} else if (objectType == cachedCRLs) {
(*otype)[count] = create_crl(copyObject, &status);
}
} else {
status = PR_FAILURE;
}
PZ_Unlock(cache->lock);
return status;
}
NSS_IMPLEMENT void
nssTokenObjectCache_RemoveObject (
nssTokenObjectCache *cache,
nssCryptokiObject *object
)
{
PRUint32 oType;
nssCryptokiObjectAndAttributes **oa, **swp = NULL;
if (!token_is_present(cache)) {
return;
}
PZ_Lock(cache->lock);
for (oType=0; oType<3; oType++) {
if (!cache_available_for_object_type(cache, oType) ||
!cache->objects[oType])
{
continue;
}
for (oa = cache->objects[oType]; *oa; oa++) {
if (nssCryptokiObject_Equal((*oa)->object, object)) {
swp = oa; /* the entry to remove */
while (oa[1]) oa++; /* go to the tail */
(*swp)->object->token = NULL;
nssCryptokiObject_Destroy((*swp)->object);
nssArena_Destroy((*swp)->arena); /* destroy it */
*swp = *oa; /* swap the last with the removed */
*oa = NULL; /* null-terminate the array */
break;
}
}
if (swp) {
break;
}
}
if ((oType <3) &&
cache->objects[oType] && cache->objects[oType][0] == NULL) {
nss_ZFreeIf(cache->objects[oType]); /* no entries remaining */
cache->objects[oType] = NULL;
}
PZ_Unlock(cache->lock);
}
/* These two hash algorithms are presently sufficient.
** They are used for fingerprints of certs which are stored as the
** CKA_CERT_SHA1_HASH and CKA_CERT_MD5_HASH attributes.
** We don't need to add SHAxxx to these now.
*/
/* XXX of course this doesn't belong here */
NSS_IMPLEMENT NSSAlgorithmAndParameters *
NSSAlgorithmAndParameters_CreateSHA1Digest (
NSSArena *arenaOpt
)
{
NSSAlgorithmAndParameters *rvAP = NULL;
rvAP = nss_ZNEW(arenaOpt, NSSAlgorithmAndParameters);
if (rvAP) {
rvAP->mechanism.mechanism = CKM_SHA_1;
rvAP->mechanism.pParameter = NULL;
rvAP->mechanism.ulParameterLen = 0;
}
return rvAP;
}
NSS_IMPLEMENT NSSAlgorithmAndParameters *
NSSAlgorithmAndParameters_CreateMD5Digest (
NSSArena *arenaOpt
)
{
NSSAlgorithmAndParameters *rvAP = NULL;
rvAP = nss_ZNEW(arenaOpt, NSSAlgorithmAndParameters);
if (rvAP) {
rvAP->mechanism.mechanism = CKM_MD5;
rvAP->mechanism.pParameter = NULL;
rvAP->mechanism.ulParameterLen = 0;
}
return rvAP;
}
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