metaGeneral.c revision 7c478bd95313f5f23a4c958a745db2134aa03244
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* General-Purpose Functions
* (as defined in PKCS#11 spec section 11.4)
*/
#include <unistd.h>
#include <errno.h>
#include <string.h>
#include "metaGlobal.h"
extern meta_session_t *meta_sessionlist_head;
struct CK_FUNCTION_LIST metaslot_functionList = {
{ 2, 11 }, /* version */
meta_Initialize,
meta_Finalize,
meta_GetInfo,
meta_GetFunctionList,
meta_GetSlotList,
meta_GetSlotInfo,
meta_GetTokenInfo,
meta_GetMechanismList,
meta_GetMechanismInfo,
meta_InitToken,
meta_InitPIN,
meta_SetPIN,
meta_OpenSession,
meta_CloseSession,
meta_CloseAllSessions,
meta_GetSessionInfo,
meta_GetOperationState,
meta_SetOperationState,
meta_Login,
meta_Logout,
meta_CreateObject,
meta_CopyObject,
meta_DestroyObject,
meta_GetObjectSize,
meta_GetAttributeValue,
meta_SetAttributeValue,
meta_FindObjectsInit,
meta_FindObjects,
meta_FindObjectsFinal,
meta_EncryptInit,
meta_Encrypt,
meta_EncryptUpdate,
meta_EncryptFinal,
meta_DecryptInit,
meta_Decrypt,
meta_DecryptUpdate,
meta_DecryptFinal,
meta_DigestInit,
meta_Digest,
meta_DigestUpdate,
meta_DigestKey,
meta_DigestFinal,
meta_SignInit,
meta_Sign,
meta_SignUpdate,
meta_SignFinal,
meta_SignRecoverInit,
meta_SignRecover,
meta_VerifyInit,
meta_Verify,
meta_VerifyUpdate,
meta_VerifyFinal,
meta_VerifyRecoverInit,
meta_VerifyRecover,
meta_DigestEncryptUpdate,
meta_DecryptDigestUpdate,
meta_SignEncryptUpdate,
meta_DecryptVerifyUpdate,
meta_GenerateKey,
meta_GenerateKeyPair,
meta_WrapKey,
meta_UnwrapKey,
meta_DeriveKey,
meta_SeedRandom,
meta_GenerateRandom,
meta_GetFunctionStatus,
meta_CancelFunction,
meta_WaitForSlotEvent
};
static pthread_mutex_t initmutex = PTHREAD_MUTEX_INITIALIZER;
ses_to_be_freed_list_t ses_delay_freed;
object_to_be_freed_list_t obj_delay_freed;
/*
* meta_Initialize
*
* This function is never called by the application. It is only
* called by uCF to initialize metaslot. The pInitArgs argument is ignored.
*
*/
/*ARGSUSED*/
CK_RV
meta_Initialize(CK_VOID_PTR pInitArgs)
{
CK_RV rv;
/* Make sure function hasn't been called twice */
(void) pthread_mutex_lock(&initmutex);
rv = meta_slotManager_initialize();
if (rv != CKR_OK) {
(void) pthread_mutex_unlock(&initmutex);
return (rv);
}
rv = meta_mechManager_initialize();
if (rv != CKR_OK) {
(void) meta_slotManager_finalize();
(void) pthread_mutex_unlock(&initmutex);
return (rv);
}
rv = meta_objectManager_initialize();
if (rv != CKR_OK) {
(void) meta_slotManager_finalize();
(void) meta_mechManager_finalize();
(void) pthread_mutex_unlock(&initmutex);
return (rv);
}
rv = meta_sessionManager_initialize();
if (rv != CKR_OK) {
(void) meta_slotManager_finalize();
(void) meta_mechManager_finalize();
(void) meta_objectManager_finalize();
(void) pthread_mutex_unlock(&initmutex);
return (rv);
}
meta_slotManager_find_object_token();
/* Initialize the object_to_be_freed list */
(void) pthread_mutex_init(&obj_delay_freed.obj_to_be_free_mutex, NULL);
obj_delay_freed.count = 0;
obj_delay_freed.first = NULL;
obj_delay_freed.last = NULL;
/* Initialize the session_to_be_freed list */
(void) pthread_mutex_init(&ses_delay_freed.ses_to_be_free_mutex, NULL);
ses_delay_freed.count = 0;
ses_delay_freed.first = NULL;
ses_delay_freed.last = NULL;
(void) pthread_mutex_unlock(&initmutex);
return (CKR_OK);
}
/*
* meta_Finalize
*
* Called by uCF only, "pReserved" argument is ignored.
*/
/*ARGSUSED*/
CK_RV
meta_Finalize(CK_VOID_PTR pReserved)
{
CK_RV rv = CKR_OK;
meta_object_t *delay_free_obj, *tmpo;
meta_session_t *delay_free_ses, *tmps;
if (pReserved != NULL)
return (CKR_ARGUMENTS_BAD);
(void) pthread_mutex_lock(&initmutex);
meta_objectManager_finalize();
meta_sessionManager_finalize();
meta_mechManager_finalize();
meta_slotManager_finalize();
/*
* free all entries in the delay_freed list
*/
delay_free_obj = obj_delay_freed.first;
while (delay_free_obj != NULL) {
tmpo = delay_free_obj->next;
free(delay_free_obj);
delay_free_obj = tmpo;
}
(void) pthread_mutex_destroy(&obj_delay_freed.obj_to_be_free_mutex);
delay_free_ses = ses_delay_freed.first;
while (delay_free_ses != NULL) {
tmps = delay_free_ses->next;
free(delay_free_ses);
delay_free_ses = tmps;
}
(void) pthread_mutex_destroy(&ses_delay_freed.ses_to_be_free_mutex);
(void) pthread_mutex_unlock(&initmutex);
return (rv);
}
/*
* meta_GetInfo
*
* NOTE: This function will never be called by applications because it's
* hidden behind the uCF C_GetInfo. So, it is not implemented.
*/
/*ARGSUSED*/
CK_RV
meta_GetInfo(CK_INFO_PTR pInfo)
{
return (CKR_FUNCTION_NOT_SUPPORTED);
}
/*
* meta_GetFunctionList
*
* This function is not implemented because metaslot is part of the framework,
* so, the framework can just do a static assignment to metaslot's
* function list instead of calling this function.
*/
/*ARGSUSED*/
CK_RV
meta_GetFunctionList(CK_FUNCTION_LIST_PTR_PTR ppFunctionList)
{
return (CKR_FUNCTION_NOT_SUPPORTED);
}
/*
* Parallel Function Management Function
* (as defined in PKCS#11 spec section 11.16)
*/
/*
* This function is no longer supported in this revision of the PKCS#11
* standard. It is maintained for backwards compatibility only.
*/
/* ARGSUSED */
CK_RV
meta_GetFunctionStatus(CK_SESSION_HANDLE hSession)
{
return (CKR_FUNCTION_NOT_PARALLEL);
}
/*
* This function is no longer supported in this revision of the PKCS#11
* standard. It is maintained for backwards compatibility only.
*/
/* ARGSUSED */
CK_RV
meta_CancelFunction(CK_SESSION_HANDLE hSession)
{
return (CKR_FUNCTION_NOT_PARALLEL);
}
/*
* Perform a write that can handle EINTR.
*/
int
looping_write(int fd, void *buf, int len)
{
char *p = buf;
int cc, len2 = 0;
if (len == 0)
return (0);
do {
cc = write(fd, p, len);
if (cc < 0) {
if (errno == EINTR)
continue;
return (cc);
} else if (cc == 0) {
return (len2);
} else {
p += cc;
len2 += cc;
len -= cc;
}
} while (len > 0);
return (len2);
}
/*
* Perform a read that can handle EINTR.
*/
int
looping_read(int fd, void *buf, int len)
{
char *p = buf;
int cc, len2 = 0;
do {
cc = read(fd, p, len);
if (cc < 0) {
if (errno == EINTR)
continue;
return (cc); /* errno is already set */
} else if (cc == 0) {
return (len2);
} else {
p += cc;
len2 += cc;
len -= cc;
}
} while (len > 0);
return (len2);
}