CK_RV C_SignRecoverInit(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_MECHANISM_PTR pMechanism, /* the signature mechanism */
CK_OBJECT_HANDLE hKey) /* handle of the signature key */
{
CK_BBOOL can_sign;
CK_KEY_TYPE key_type;
CK_ATTRIBUTE sign_attribute = { CKA_SIGN, &can_sign, sizeof(can_sign) };
CK_ATTRIBUTE key_type_attr = { CKA_KEY_TYPE, &key_type, sizeof(key_type) };
struct sc_pkcs11_session *session;
struct sc_pkcs11_object *object;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = pool_find(&session->slot->object_pool, hKey, (void**) &object);
if (rv != CKR_OK)
goto out;
if (object->ops->sign == NULL_PTR) {
rv = CKR_KEY_TYPE_INCONSISTENT;
goto out;
}
rv = object->ops->get_attribute(session, object, &sign_attribute);
if (rv != CKR_OK || !can_sign) {
rv = CKR_KEY_TYPE_INCONSISTENT;
goto out;
}
rv = object->ops->get_attribute(session, object, &key_type_attr);
if (rv != CKR_OK) {
rv = CKR_KEY_TYPE_INCONSISTENT;
goto out;
}
/* XXX: need to tell the signature algorithm that we want
* to recover the signature */
sc_debug(context, "SignRecover operation initialized\n");
rv = sc_pkcs11_sign_init(session, pMechanism, object, key_type);
out: sc_debug(context, "Sign initialization returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV C_VerifyInit(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_MECHANISM_PTR pMechanism, /* the verification mechanism */
CK_OBJECT_HANDLE hKey) /* handle of the verification key */
{
#ifndef ENABLE_OPENSSL
return CKR_FUNCTION_NOT_SUPPORTED;
#else
#if 0
CK_BBOOL can_verify;
CK_ATTRIBUTE verify_attribute = { CKA_VERIFY, &can_verify, sizeof(can_verify) };
#endif
CK_KEY_TYPE key_type;
CK_ATTRIBUTE key_type_attr = { CKA_KEY_TYPE, &key_type, sizeof(key_type) };
struct sc_pkcs11_session *session;
struct sc_pkcs11_object *object;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = pool_find(&session->slot->object_pool, hKey, (void**) &object);
if (rv != CKR_OK)
goto out;
#if 0
rv = object->ops->get_attribute(session, object, &verify_attribute);
if (rv != CKR_OK || !can_verify) {
rv = CKR_KEY_TYPE_INCONSISTENT;
goto out;
}
#endif
rv = object->ops->get_attribute(session, object, &key_type_attr);
if (rv != CKR_OK) {
rv = CKR_KEY_TYPE_INCONSISTENT;
goto out;
}
rv = sc_pkcs11_verif_init(session, pMechanism, object, key_type);
out: sc_debug(context, "Verify initialization returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
#endif
}
CK_RV C_DestroyObject(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_OBJECT_HANDLE hObject) /* the object's handle */
{
struct sc_pkcs11_session *session;
struct sc_pkcs11_object *object;
char object_name[64];
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
snprintf(object_name, sizeof(object_name), "C_DestroyObject : Object %lu",
(unsigned long) hObject);
sc_debug( context, object_name );
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = pool_find_and_delete(&session->slot->object_pool, hObject, (void**) &object);
if (rv != CKR_OK)
goto out;
if (object->ops->destroy_object == NULL)
rv = CKR_FUNCTION_NOT_SUPPORTED;
else
rv = object->ops->destroy_object(session, object);
out: sc_pkcs11_unlock();
return rv;
}
CK_RV C_VerifyFinal(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pSignature, /* the signature to be verified */
CK_ULONG ulSignatureLen) /* count of bytes of signature */
{
#ifndef ENABLE_OPENSSL
return CKR_FUNCTION_NOT_SUPPORTED;
#else
struct sc_pkcs11_session *session;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = sc_pkcs11_verif_final(session, pSignature, ulSignatureLen);
out: sc_debug(context, "C_VerifyFinal returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
#endif
}
CK_RV C_Verify(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pData, /* plaintext data (digest) to compare */
CK_ULONG ulDataLen, /* length of data (digest) in bytes */
CK_BYTE_PTR pSignature, /* the signature to be verified */
CK_ULONG ulSignatureLen) /* count of bytes of signature */
{
#ifndef ENABLE_OPENSSL
return CKR_FUNCTION_NOT_SUPPORTED;
#else
int rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = sc_pkcs11_verif_update(session, pData, ulDataLen);
if (rv == CKR_OK)
rv = sc_pkcs11_verif_final(session, pSignature, ulSignatureLen);
out: sc_debug(context, "Verify result was %d\n", rv);
sc_pkcs11_unlock();
return rv;
#endif
}
CK_RV C_SeedRandom(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pSeed, /* the seed material */
CK_ULONG ulSeedLen) /* count of bytes of seed material */
{
struct sc_pkcs11_session *session;
struct sc_pkcs11_slot *slot;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv == CKR_OK) {
slot = session->slot;
if (slot->card->framework->get_random == NULL)
rv = CKR_RANDOM_NO_RNG;
else if (slot->card->framework->seed_random == NULL)
rv = CKR_RANDOM_SEED_NOT_SUPPORTED;
else
rv = slot->card->framework->seed_random(slot->card, pSeed, ulSeedLen);
}
sc_pkcs11_unlock();
return rv;
}
CK_RV C_CreateObject(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_ATTRIBUTE_PTR pTemplate, /* the object's template */
CK_ULONG ulCount, /* attributes in template */
CK_OBJECT_HANDLE_PTR phObject) /* receives new object's handle. */
{
struct sc_pkcs11_session *session;
struct sc_pkcs11_card *card;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
dump_template("C_CreateObject()", pTemplate, ulCount);
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
card = session->slot->card;
if (card->framework->create_object == NULL)
rv = CKR_FUNCTION_NOT_SUPPORTED;
else
rv = card->framework->create_object(card, session->slot,
pTemplate, ulCount, phObject);
out: sc_pkcs11_unlock();
return rv;
}
CK_RV C_Digest(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pData, /* data to be digested */
CK_ULONG ulDataLen, /* bytes of data to be digested */
CK_BYTE_PTR pDigest, /* receives the message digest */
CK_ULONG_PTR pulDigestLen) /* receives byte length of digest */
{
int rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = sc_pkcs11_md_update(session, pData, ulDataLen);
if (rv == CKR_OK)
rv = sc_pkcs11_md_final(session, pDigest, pulDigestLen);
out: sc_debug(context, "C_Digest returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV C_DecryptInit(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_MECHANISM_PTR pMechanism, /* the decryption mechanism */
CK_OBJECT_HANDLE hKey) /* handle of the decryption key */
{
CK_BBOOL can_decrypt;
CK_KEY_TYPE key_type;
CK_ATTRIBUTE decrypt_attribute = { CKA_DECRYPT, &can_decrypt, sizeof(can_decrypt) };
CK_ATTRIBUTE key_type_attr = { CKA_KEY_TYPE, &key_type, sizeof(key_type) };
struct sc_pkcs11_session *session;
struct sc_pkcs11_object *object;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = pool_find(&session->slot->object_pool, hKey, (void**) &object);
if (rv != CKR_OK)
goto out;
if (object->ops->decrypt == NULL_PTR) {
rv = CKR_KEY_TYPE_INCONSISTENT;
goto out;
}
rv = object->ops->get_attribute(session, object, &decrypt_attribute);
if (rv != CKR_OK || !can_decrypt) {
rv = CKR_KEY_TYPE_INCONSISTENT;
goto out;
}
rv = object->ops->get_attribute(session, object, &key_type_attr);
if (rv != CKR_OK) {
rv = CKR_KEY_TYPE_INCONSISTENT;
goto out;
}
rv = sc_pkcs11_decr_init(session, pMechanism, object, key_type);
out: sc_debug(context, "Decrypt initialization returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV C_UnwrapKey(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_MECHANISM_PTR pMechanism, /* the unwrapping mechanism */
CK_OBJECT_HANDLE hUnwrappingKey, /* handle of the unwrapping key */
CK_BYTE_PTR pWrappedKey, /* the wrapped key */
CK_ULONG ulWrappedKeyLen, /* bytes length of wrapped key */
CK_ATTRIBUTE_PTR pTemplate, /* template for the new key */
CK_ULONG ulAttributeCount, /* # of attributes in template */
CK_OBJECT_HANDLE_PTR phKey) /* gets handle of recovered key */
{
struct sc_pkcs11_session *session;
struct sc_pkcs11_object *object, *result;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = pool_find(&session->slot->object_pool, hUnwrappingKey,
(void**) &object);
if (rv != CKR_OK)
goto out;
if (object->ops->sign == NULL_PTR) {
rv = CKR_KEY_TYPE_INCONSISTENT;
goto out;
}
rv = object->ops->unwrap_key(session, object, pMechanism,
pWrappedKey, ulWrappedKeyLen,
pTemplate, ulAttributeCount,
(void **) &result);
sc_debug(context, "Unwrapping result was %d\n", rv);
if (rv == CKR_OK)
rv = pool_insert(&session->slot->object_pool, result, phKey);
out: sc_pkcs11_unlock();
return rv;
}
int
pool_addref(pool_t *pool, void *ptr) {
pool_node_t *p;
if( !ptr ) return 0;
p = pool_find(pool, ptr);
if( p ) {
p->refcount++;
}
return p ? p->refcount : 0;
}
CK_RV C_SetAttributeValue(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_OBJECT_HANDLE hObject, /* the object's handle */
CK_ATTRIBUTE_PTR pTemplate, /* specifies attributes and values */
CK_ULONG ulCount) /* attributes in template */
{
int rv;
unsigned int i;
struct sc_pkcs11_session *session;
struct sc_pkcs11_object *object;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
dump_template("C_SetAttributeValue", pTemplate, ulCount);
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = pool_find(&session->slot->object_pool, hObject, (void**) &object);
if (rv != CKR_OK)
goto out;
if (object->ops->set_attribute == NULL)
rv = CKR_FUNCTION_NOT_SUPPORTED;
else {
for (i = 0; i < ulCount; i++) {
rv = object->ops->set_attribute(session, object, &pTemplate[i]);
if (rv != CKR_OK)
break;
}
}
out: sc_pkcs11_unlock();
return rv;
}
static void* pool_allocate(struct caml_heap_state* local, sizeclass sz) {
pool* r = pool_find(local, sz);
if (!r) return 0;
value* p = r->next_obj;
value* next = (value*)p[1];
r->next_obj = next;
Assert(p[0] == 0);
if (!next) {
local->avail_pools[sz] = r->next;
r->next = local->full_pools[sz];
local->full_pools[sz] = r;
}
Assert(r->next_obj == 0 || *r->next_obj == 0);
return p;
}
CK_RV C_DigestInit(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_MECHANISM_PTR pMechanism) /* the digesting mechanism */
{
int rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv == CKR_OK)
rv = sc_pkcs11_md_init(session, pMechanism);
sc_debug(context, "C_DigestInit returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV C_SignUpdate(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pPart, /* the data (digest) to be signed */
CK_ULONG ulPartLen) /* count of bytes to be signed */
{
struct sc_pkcs11_session *session;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv == CKR_OK)
rv = sc_pkcs11_sign_update(session, pPart, ulPartLen);
sc_debug(context, "C_SignUpdate returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV C_DigestFinal(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pDigest, /* receives the message digest */
CK_ULONG_PTR pulDigestLen) /* receives byte count of digest */
{
int rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv == CKR_OK)
rv = sc_pkcs11_md_final(session, pDigest, pulDigestLen);
sc_debug(context, "C_DigestFinal returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV C_DigestUpdate(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pPart, /* data to be digested */
CK_ULONG ulPartLen) /* bytes of data to be digested */
{
int rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv == CKR_OK)
rv = sc_pkcs11_md_update(session, pPart, ulPartLen);
sc_debug(context, "C_DigestUpdate returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
void
pool_free(pool_t *pool, void *ptr) {
pool_node_t *p;
if( !ptr ) return;
p = pool_find(pool, ptr);
if( p ) {
p->refcount--;
if(p->refcount <= 0 ) {
if( p->free ) {
(*p->free)(p->ptr, p->arg);
}
else {
free(p->ptr);
}
pool_remove(pool, ptr);
}
}
}
CK_RV C_FindObjectsFinal(CK_SESSION_HANDLE hSession) /* the session's handle */
{
int rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = session_get_operation(session, SC_PKCS11_OPERATION_FIND, NULL);
if (rv == CKR_OK)
session_stop_operation(session, SC_PKCS11_OPERATION_FIND);
out: sc_pkcs11_unlock();
return rv;
}
CK_RV C_Sign(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pData, /* the data (digest) to be signed */
CK_ULONG ulDataLen, /* count of bytes to be signed */
CK_BYTE_PTR pSignature, /* receives the signature */
CK_ULONG_PTR pulSignatureLen) /* receives byte count of signature */
{
int rv;
struct sc_pkcs11_session *session;
CK_ULONG length;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
/* According to the pkcs11 specs, we must not do any calls that
* change our crypto state if the caller is just asking for the
* signature buffer size, or if the result would be
* CKR_BUFFER_TOO_SMALL. Thus we cannot do the sign_update call
* below. */
if ((rv = sc_pkcs11_sign_size(session, &length)) != CKR_OK)
goto out;
if (pSignature == NULL || length > *pulSignatureLen) {
*pulSignatureLen = length;
rv = pSignature? CKR_BUFFER_TOO_SMALL : CKR_OK;
goto out;
}
rv = sc_pkcs11_sign_update(session, pData, ulDataLen);
if (rv == CKR_OK)
rv = sc_pkcs11_sign_final(session, pSignature, pulSignatureLen);
out: sc_debug(context, "Signing result was %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV C_FindObjects(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_OBJECT_HANDLE_PTR phObject, /* receives object handle array */
CK_ULONG ulMaxObjectCount, /* max handles to be returned */
CK_ULONG_PTR pulObjectCount) /* actual number returned */
{
int rv;
CK_ULONG to_return;
struct sc_pkcs11_session *session;
struct sc_pkcs11_find_operation *operation;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = session_get_operation(session, SC_PKCS11_OPERATION_FIND,
(sc_pkcs11_operation_t **) &operation);
if (rv != CKR_OK)
goto out;
to_return = (CK_ULONG)operation->num_handles - operation->current_handle;
if (to_return > ulMaxObjectCount)
to_return = ulMaxObjectCount;
*pulObjectCount = to_return;
memcpy(phObject,
&operation->handles[operation->current_handle],
to_return * sizeof(CK_OBJECT_HANDLE));
operation->current_handle += to_return;
out: sc_pkcs11_unlock();
return rv;
}
CK_RV C_VerifyUpdate(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pPart, /* plaintext data (digest) to compare */
CK_ULONG ulPartLen) /* length of data (digest) in bytes */
{
#ifndef ENABLE_OPENSSL
return CKR_FUNCTION_NOT_SUPPORTED;
#else
struct sc_pkcs11_session *session;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv == CKR_OK)
rv = sc_pkcs11_verif_update(session, pPart, ulPartLen);
sc_debug(context, "C_VerifyUpdate returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
#endif
}
CK_RV C_Decrypt(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pEncryptedData, /* input encrypted data */
CK_ULONG ulEncryptedDataLen, /* count of bytes of input */
CK_BYTE_PTR pData, /* receives decrypted output */
CK_ULONG_PTR pulDataLen) /* receives decrypted byte count */
{
int rv;
struct sc_pkcs11_session *session;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = sc_pkcs11_decr(session, pEncryptedData, ulEncryptedDataLen,
pData, pulDataLen);
out: sc_debug(context, "Decryption result was %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV C_GenerateKeyPair(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_MECHANISM_PTR pMechanism, /* the key gen. mech. */
CK_ATTRIBUTE_PTR pPublicKeyTemplate, /* pub. attr. template */
CK_ULONG ulPublicKeyAttributeCount, /* # of pub. attrs. */
CK_ATTRIBUTE_PTR pPrivateKeyTemplate, /* priv. attr. template */
CK_ULONG ulPrivateKeyAttributeCount, /* # of priv. attrs. */
CK_OBJECT_HANDLE_PTR phPublicKey, /* gets pub. key handle */
CK_OBJECT_HANDLE_PTR phPrivateKey) /* gets priv. key handle */
{
struct sc_pkcs11_session *session;
struct sc_pkcs11_slot *slot;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
dump_template("C_CreateObject(), PrivKey attrs", pPrivateKeyTemplate, ulPrivateKeyAttributeCount);
dump_template("C_CreateObject(), PubKey attrs", pPublicKeyTemplate, ulPublicKeyAttributeCount);
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
slot = session->slot;
if (slot->card->framework->gen_keypair == NULL) {
rv = CKR_FUNCTION_NOT_SUPPORTED;
} else {
rv = slot->card->framework->gen_keypair(slot->card, slot,
pMechanism, pPublicKeyTemplate, ulPublicKeyAttributeCount,
pPrivateKeyTemplate, ulPrivateKeyAttributeCount,
phPublicKey, phPrivateKey);
}
out: sc_pkcs11_unlock();
return rv;
}
CK_RV C_GenerateRandom(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR RandomData, /* receives the random data */
CK_ULONG ulRandomLen) /* number of bytes to be generated */
{
struct sc_pkcs11_session *session;
struct sc_pkcs11_slot *slot;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv == CKR_OK) {
slot = session->slot;
if (slot->card->framework->get_random == NULL)
rv = CKR_RANDOM_NO_RNG;
else
rv = slot->card->framework->get_random(slot->card, RandomData, ulRandomLen);
}
sc_pkcs11_unlock();
return rv;
}
CK_RV C_SignFinal(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_BYTE_PTR pSignature, /* receives the signature */
CK_ULONG_PTR pulSignatureLen) /* receives byte count of signature */
{
struct sc_pkcs11_session *session;
CK_ULONG length;
int rv;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
/* According to the pkcs11 specs, we must not do any calls that
* change our crypto state if the caller is just asking for the
* signature buffer size, or if the result would be
* CKR_BUFFER_TOO_SMALL.
*/
if ((rv = sc_pkcs11_sign_size(session, &length)) != CKR_OK)
goto out;
if (pSignature == NULL || length > *pulSignatureLen) {
*pulSignatureLen = length;
rv = pSignature? CKR_BUFFER_TOO_SMALL : CKR_OK;
} else {
rv = sc_pkcs11_sign_final(session, pSignature, pulSignatureLen);
}
out: sc_debug(context, "C_SignFinal returns %d\n", rv);
sc_pkcs11_unlock();
return rv;
}
CK_RV C_FindObjectsInit(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_ATTRIBUTE_PTR pTemplate, /* attribute values to match */
CK_ULONG ulCount) /* attributes in search template */
{
CK_BBOOL is_private = TRUE;
CK_ATTRIBUTE private_attribute = { CKA_PRIVATE, &is_private, sizeof(is_private) };
int rv, match, hide_private;
unsigned int j;
struct sc_pkcs11_session *session;
struct sc_pkcs11_object *object;
struct sc_pkcs11_find_operation *operation;
struct sc_pkcs11_pool_item *item;
struct sc_pkcs11_slot *slot;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
sc_debug(context, "C_FindObjectsInit(slot = %d)\n", session->slot->id);
dump_template("C_FindObjectsInit()", pTemplate, ulCount);
rv = session_start_operation(session, SC_PKCS11_OPERATION_FIND,
&find_mechanism,
(struct sc_pkcs11_operation**) &operation);
if (rv != CKR_OK)
goto out;
operation->current_handle = 0;
operation->num_handles = 0;
slot = session->slot;
/* Check whether we should hide private objects */
hide_private = 0;
if (slot->login_user != CKU_USER
&& (slot->token_info.flags & CKF_LOGIN_REQUIRED))
hide_private = 1;
/* For each object in token do */
for (item = slot->object_pool.head; item != NULL; item = item->next) {
object = (struct sc_pkcs11_object*) item->item;
/* User not logged in and private object? */
if (hide_private) {
if (object->ops->get_attribute(session, object, &private_attribute) != CKR_OK)
continue;
if (is_private) {
sc_debug(context, "Object %d/%d: Private object and not logged in.\n",
slot->id,
item->handle);
continue;
}
}
/* Try to match every attribute */
match = 1;
for (j = 0; j < ulCount; j++) {
rv = object->ops->cmp_attribute(session, object,
&pTemplate[j]);
if (rv == 0) {
if (context->debug >= 4) {
sc_debug(context, "Object %d/%d: Attribute 0x%x does NOT match.\n",
slot->id,
item->handle, pTemplate[j].type);
}
match = 0;
break;
}
if (context->debug >= 4) {
sc_debug(context, "Object %d/%d: Attribute 0x%x matches.\n",
slot->id,
item->handle, pTemplate[j].type);
}
}
if (match) {
sc_debug(context, "Object %d/%d matches\n",
slot->id, item->handle);
/* Avoid buffer overflow --okir */
if (operation->num_handles >= SC_PKCS11_FIND_MAX_HANDLES) {
sc_debug(context, "Too many matching objects\n");
break;
}
operation->handles[operation->num_handles++] = item->handle;
}
}
rv = CKR_OK;
sc_debug(context, "%d matching objects\n", operation->num_handles);
out: sc_pkcs11_unlock();
return rv;
}
CK_RV C_GetAttributeValue(CK_SESSION_HANDLE hSession, /* the session's handle */
CK_OBJECT_HANDLE hObject, /* the object's handle */
CK_ATTRIBUTE_PTR pTemplate, /* specifies attributes, gets values */
CK_ULONG ulCount) /* attributes in template */
{
static int precedence[] = {
CKR_OK,
CKR_BUFFER_TOO_SMALL,
CKR_ATTRIBUTE_TYPE_INVALID,
CKR_ATTRIBUTE_SENSITIVE,
-1
};
char object_name[64];
int j, rv;
struct sc_pkcs11_session *session;
struct sc_pkcs11_object *object;
int res, res_type;
unsigned int i;
rv = sc_pkcs11_lock();
if (rv != CKR_OK)
return rv;
rv = pool_find(&session_pool, hSession, (void**) &session);
if (rv != CKR_OK)
goto out;
rv = pool_find(&session->slot->object_pool, hObject, (void**) &object);
if (rv != CKR_OK)
goto out;
/* Debug printf */
snprintf(object_name, sizeof(object_name), "Object %lu",
(unsigned long) hObject);
res_type = 0;
for (i = 0; i < ulCount; i++) {
res = object->ops->get_attribute(session,
object, &pTemplate[i]);
if (res != CKR_OK)
pTemplate[i].ulValueLen = (CK_ULONG) -1;
dump_template(object_name, &pTemplate[i], 1);
/* the pkcs11 spec has complicated rules on
* what errors take precedence:
* CKR_ATTRIBUTE_SENSITIVE
* CKR_ATTRIBUTE_INVALID
* CKR_BUFFER_TOO_SMALL
* It does not exactly specify how other errors
* should be handled - we give them highest
* precedence
*/
for (j = 0; precedence[j] != -1; j++) {
if (precedence[j] == res)
break;
}
if (j > res_type) {
res_type = j;
rv = res;
}
}
out: sc_pkcs11_unlock();
return rv;
}
