Mercurial > illumos > illumos-gate
view usr/src/lib/pkcs11/pkcs11_kms/common/kmsObjectUtil.c @ 12720:3db6e0082404
PSARC 2010/195 PKCS11 KMS Provider
6944296 Solaris needs a PKCS#11 provider to allow access to KMS keystore functionality
author | Wyllys Ingersoll <Wyllys.Ingersoll@Sun.COM> |
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date | Mon, 28 Jun 2010 16:04:11 -0700 |
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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 (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved. */ #include <stdio.h> #include <stdlib.h> #include <strings.h> #include <errno.h> #include <security/cryptoki.h> #include <cryptoutil.h> #include "kmsGlobal.h" #include "kmsObject.h" #include "kmsSession.h" #include "kmsSlot.h" #include "kmsKeystoreUtil.h" kms_object_t * kms_new_object() { kms_object_t *obj; obj = calloc(1, sizeof (kms_object_t)); if (obj == NULL) return (NULL); (void) pthread_cond_init(&obj->obj_free_cond, NULL); (void) pthread_mutex_init(&obj->object_mutex, NULL); obj->magic_marker = KMSTOKEN_OBJECT_MAGIC; return (obj); } /* * Add an object to the session's object list. * * This function will acquire the lock on the session, and release * that lock after adding the object to the session's object list. */ void kms_add_object_to_session(kms_object_t *objp, kms_session_t *sp) { /* Acquire the session lock. */ (void) pthread_mutex_lock(&sp->session_mutex); /* Insert the new object in front of session's object list. */ if (sp->object_list == NULL) { sp->object_list = objp; objp->next = NULL; objp->prev = NULL; } else { sp->object_list->prev = objp; objp->next = sp->object_list; objp->prev = NULL; sp->object_list = objp; } /* Release the session lock. */ (void) pthread_mutex_unlock(&sp->session_mutex); } /* * Clean up and release the storage allocated to the object. * * The function is called either with the object lock being held * (by caller kms_delete_object()), or there is no object lock * yet (by kms_build_XXX_object() during creating an object). */ void kms_cleanup_object(kms_object_t *objp) { /* * Free the storage allocated to a secret key object. */ if (objp->class == CKO_SECRET_KEY) { if (OBJ_SEC(objp) != NULL && OBJ_SEC_VALUE(objp) != NULL) { bzero(OBJ_SEC_VALUE(objp), OBJ_SEC_VALUE_LEN(objp)); free(OBJ_SEC_VALUE(objp)); OBJ_SEC_VALUE(objp) = NULL; OBJ_SEC_VALUE_LEN(objp) = 0; } if (OBJ_SEC(objp) != NULL) free(OBJ_SEC(objp)); OBJ_SEC(objp) = NULL; } /* * Free the storage allocated to the extra attribute list. */ kms_cleanup_extra_attr(objp); } void kms_free_object(kms_object_t *obj) { (void) pthread_cond_destroy(&obj->obj_free_cond); (void) pthread_mutex_destroy(&obj->object_mutex); kms_cleanup_object(obj); free(obj); } /* * Create a new object. Copy the attributes that can be modified * (in the boolean attribute mask field and extra attribute list) * from the old object to the new object. * * The caller of this function holds the lock on the old object. */ CK_RV kms_copy_object(kms_object_t *old_object, kms_object_t **new_object, boolean_t copy_everything, kms_session_t *sp) { CK_RV rv = CKR_OK; kms_object_t *new_objp = NULL; CK_ATTRIBUTE_INFO_PTR attrp; /* Allocate new object. */ new_objp = kms_new_object(); if (new_objp == NULL) return (CKR_HOST_MEMORY); new_objp->class = old_object->class; new_objp->bool_attr_mask = old_object->bool_attr_mask; attrp = old_object->extra_attrlistp; while (attrp) { /* * Copy the attribute_info struct from the old * object to a new attribute_info struct, and add * that new struct to the extra attribute list * of the new object. */ rv = kms_copy_extra_attr(attrp, new_objp); if (rv != CKR_OK) { kms_free_object(new_objp); return (rv); } attrp = attrp->next; } *new_object = new_objp; if (!copy_everything) { /* done with copying all information that can be modified */ return (CKR_OK); } /* * Copy the rest of the object. * Certain fields that are not appropriate for coping will be * initialized. */ new_objp->key_type = old_object->key_type; new_objp->magic_marker = old_object->magic_marker; new_objp->mechanism = old_object->mechanism; new_objp->session_handle = (CK_SESSION_HANDLE)sp; /* copy key related information */ switch (new_objp->class) { case CKO_SECRET_KEY: rv = kms_copy_secret_key_attr(OBJ_SEC(old_object), &(OBJ_SEC(new_objp))); break; default: /* should never be this case */ break; } if (rv != CKR_OK) { kms_free_object(new_objp); *new_object = NULL; } return (rv); } /* * Copy the attributes (in the boolean attribute mask field and * extra attribute list) from the new object back to the original * object. Also, clean up and release all the storage in the extra * attribute list of the original object. * * The caller of this function holds the lock on the old object. */ void kms_merge_object(kms_object_t *old_object, kms_object_t *new_object) { old_object->bool_attr_mask = new_object->bool_attr_mask; kms_cleanup_extra_attr(old_object); old_object->extra_attrlistp = new_object->extra_attrlistp; } /* * Create a new object struct. If it is a session object, add the object to * the session's object list. If it is a token object, add it to the slot's * token object list. The caller does not hold the slot lock. */ CK_RV kms_add_object(CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount, CK_ULONG *objecthandle_p, kms_session_t *sp) { CK_RV rv = CKR_OK; kms_object_t *new_objp = NULL; kms_slot_t *pslot; CK_ATTRIBUTE pritmpl; CK_BBOOL is_pri_obj, is_token_obj; new_objp = kms_new_object(); if (new_objp == NULL) return (CKR_HOST_MEMORY); rv = kms_build_object(pTemplate, ulCount, new_objp); if (rv != CKR_OK) goto fail_cleanup; /* Cannot create a token object with a READ-ONLY session */ pritmpl.type = CKA_TOKEN; pritmpl.pValue = &is_token_obj; pritmpl.ulValueLen = sizeof (is_token_obj); rv = kms_get_attribute(new_objp, &pritmpl); if (rv != CKR_OK) goto fail_cleanup; if (is_token_obj && sp->ses_RO) { rv = CKR_SESSION_READ_ONLY; goto fail_cleanup; } /* * If the KMS supports object creation, create the object * in the KMS. Otherwise, create the object in the library. */ /* Get the CKA_PRIVATE value of this object. */ pritmpl.type = CKA_PRIVATE; pritmpl.pValue = &is_pri_obj; pritmpl.ulValueLen = sizeof (is_pri_obj); rv = kms_get_attribute(new_objp, &pritmpl); if (rv != CKR_OK) { goto fail_cleanup; } /* Set the PRIVATE_BOOL_ON and TOKEN_BOOL_ON attributes */ if (is_pri_obj) new_objp->bool_attr_mask |= PRIVATE_BOOL_ON; else new_objp->bool_attr_mask &= ~PRIVATE_BOOL_ON; if (is_token_obj) new_objp->bool_attr_mask |= TOKEN_BOOL_ON; else new_objp->bool_attr_mask &= ~TOKEN_BOOL_ON; new_objp->session_handle = (CK_SESSION_HANDLE)sp; if (is_token_obj) { /* Add the new object to the slot's token object list. */ pslot = get_slotinfo(); kms_add_token_object_to_slot(new_objp, pslot); } else { /* Add the new object to the session's object list. */ kms_add_object_to_session(new_objp, sp); } /* Type casting the address of an object struct to an object handle. */ if (rv == CKR_OK) *objecthandle_p = (CK_ULONG)new_objp; fail_cleanup: if (rv != CKR_OK) { kms_free_object(new_objp); } return (rv); } /* * Remove an object from the session's object list. * * The caller of this function holds the session lock. */ CK_RV kms_remove_object_from_session(kms_object_t *objp, kms_session_t *sp) { kms_object_t *tmp_objp; boolean_t found = B_FALSE; /* * Remove the object from the session's object list. */ if ((sp == NULL) || (sp->magic_marker != KMSTOKEN_SESSION_MAGIC)) { return (CKR_SESSION_HANDLE_INVALID); } if ((sp->object_list == NULL) || (objp == NULL) || (objp->magic_marker != KMSTOKEN_OBJECT_MAGIC)) { return (CKR_OBJECT_HANDLE_INVALID); } tmp_objp = sp->object_list; while (tmp_objp) { if (tmp_objp == objp) { found = B_TRUE; break; } tmp_objp = tmp_objp->next; } if (!found) return (CKR_OBJECT_HANDLE_INVALID); if (sp->object_list == objp) { /* Object is the first one in the list. */ if (objp->next) { sp->object_list = objp->next; objp->next->prev = NULL; } else { /* Object is the only one in the list. */ sp->object_list = NULL; } } else { /* Object is not the first one in the list. */ if (objp->next) { /* Object is in the middle of the list. */ objp->prev->next = objp->next; objp->next->prev = objp->prev; } else { /* Object is the last one in the list. */ objp->prev->next = NULL; } } return (CKR_OK); } /* * This function adds the to-be-freed session object to a linked list. * When the number of objects queued in the linked list reaches the * maximum threshold MAX_OBJ_TO_BE_FREED, it will free the first * object (FIFO) in the list. */ void kms_object_delay_free(kms_object_t *objp) { kms_object_t *tmp; (void) pthread_mutex_lock(&obj_delay_freed.obj_to_be_free_mutex); /* Add the newly deleted object at the end of the list */ objp->next = NULL; if (obj_delay_freed.first == NULL) { obj_delay_freed.last = objp; obj_delay_freed.first = objp; } else { obj_delay_freed.last->next = objp; obj_delay_freed.last = objp; } if (++obj_delay_freed.count >= MAX_OBJ_TO_BE_FREED) { /* * Free the first object in the list only if * the total count reaches maximum threshold. */ obj_delay_freed.count--; tmp = obj_delay_freed.first->next; kms_free_object(obj_delay_freed.first); obj_delay_freed.first = tmp; } (void) pthread_mutex_unlock(&obj_delay_freed.obj_to_be_free_mutex); } static void kms_delete_object_cleanup(kms_object_t *objp, boolean_t force) { /* Acquire the lock on the object. */ (void) pthread_mutex_lock(&objp->object_mutex); /* * Make sure another thread hasn't freed the object. */ if (objp->magic_marker != KMSTOKEN_OBJECT_MAGIC) { (void) pthread_mutex_unlock(&objp->object_mutex); return; } /* * The deletion of an object must be blocked when the object * reference count is not zero. This means if any object related * operation starts prior to the delete object operation gets in, * the object deleting thread must wait for the non-deleting * operation to be completed before it can proceed the delete * operation. * * Unless we are being forced to shut everything down, this only * happens if the library's _fini() is running not if someone * explicitly called C_Finalize(). */ if (force) { objp->obj_refcnt = 0; } while (objp->obj_refcnt != 0) { /* * We set the OBJECT_REFCNT_WAITING flag before we put * this deleting thread in a wait state, so other non-deleting * operation thread will signal to wake it up only when * the object reference count becomes zero and this flag * is set. */ objp->obj_delete_sync |= OBJECT_REFCNT_WAITING; (void) pthread_cond_wait(&objp->obj_free_cond, &objp->object_mutex); } objp->obj_delete_sync &= ~OBJECT_REFCNT_WAITING; /* Mark object as no longer valid. */ objp->magic_marker = 0; kms_cleanup_object(objp); objp->obj_delete_sync &= ~OBJECT_IS_DELETING; (void) pthread_mutex_unlock(&objp->object_mutex); if (objp->bool_attr_mask & TOKEN_BOOL_ON) free(objp); else kms_object_delay_free(objp); } /* * Delete a session object: * - Remove the object from the session's object list. * - Release the storage allocated to the object. * * The boolean argument ses_lock_held is used to indicate that whether * the caller holds the session lock or not. * - When called by kms_delete_all_objects_in_session() or * kms_delete_pri_objects_in_slot() -- ses_lock_held = TRUE. * * The boolean argument wrapper_only is used to indicate that whether * the caller only wants to clean up the object wrapper from the library and * needs not to make an call to KMS. * - This argument only applies to the object created in the provider level. * - When called by kms_cleanup_pri_objects_in_slot(), wrapper_only is TRUE. * - When called by C_DestroyObject(), wrapper_only is FALSE. * - When called by kms_delete_all_objects_in_session(), the value of * wrapper_only depends on its caller. */ CK_RV kms_delete_object(kms_session_t *sp, kms_object_t *objp, boolean_t ses_lock_held, boolean_t wrapper_only) { CK_RV rv = CKR_OK; /* * Check to see if the caller holds the lock on the session. * If not, we need to acquire that lock in order to proceed. */ if (!ses_lock_held) { /* Acquire the session lock. */ (void) pthread_mutex_lock(&sp->session_mutex); } /* Remove the object from the session's object list first. */ if ((rv = kms_remove_object_from_session(objp, sp))) { if (!ses_lock_held) (void) pthread_mutex_unlock(&sp->session_mutex); return (rv); } if (!wrapper_only) (void) pthread_mutex_unlock(&sp->session_mutex); kms_delete_object_cleanup(objp, wrapper_only); return (rv); } /* * Delete all the objects in a session. The caller holds the lock * on the session. If the wrapper_only argument is TRUE, the caller only * want to clean up object wrappers in the library. */ void kms_delete_all_objects_in_session(kms_session_t *sp, boolean_t wrapper_only) { kms_object_t *objp = sp->object_list; kms_object_t *objp1; /* Delete all the objects in the session. */ while (objp) { objp1 = objp->next; (void) kms_delete_object(sp, objp, B_TRUE, wrapper_only); objp = objp1; } } static CK_RV add_to_search_result(kms_object_t *obj, find_context_t *fcontext, CK_ULONG *num_result_alloc) { /* * allocate space for storing results if the currently * allocated space is not enough */ if (*num_result_alloc <= fcontext->num_results) { fcontext->objs_found = realloc(fcontext->objs_found, sizeof (kms_object_t *) * (*num_result_alloc + BUFSIZ)); if (fcontext->objs_found == NULL) { return (CKR_HOST_MEMORY); } *num_result_alloc += BUFSIZ; } (fcontext->objs_found)[(fcontext->num_results)++] = obj; return (CKR_OK); } static CK_RV search_for_objects(kms_session_t *sp, CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount, find_context_t *fcontext) { kms_session_t *session_p; kms_object_t *obj; CK_OBJECT_CLASS pclasses[6]; /* classes attrs possibly exist */ CK_ULONG num_pclasses; /* number of possible classes */ CK_ULONG num_result_alloc = 0; /* spaces allocated for results */ CK_RV rv = CKR_OK; kms_slot_t *pslot = NULL; boolean_t token_specified = B_FALSE; boolean_t token_flag_val = B_FALSE; int i; if (ulCount > 0) { /* there are some search requirement */ kms_process_find_attr(pclasses, &num_pclasses, pTemplate, ulCount); } /* * look through template and see if it explicitly specifies * whether we need to look for token objects or not */ for (i = 0; i < ulCount; i++) { if (pTemplate[i].type == CKA_TOKEN) { token_specified = B_TRUE; token_flag_val = *((CK_BBOOL *)pTemplate[i].pValue); break; } } pslot = get_slotinfo(); /* Acquire the slot lock */ if (token_flag_val || !token_specified) { (void) pthread_mutex_lock(&pslot->sl_mutex); /* * Make sure the object list is current. */ rv = KMS_RefreshObjectList(sp, pslot); if (rv != CKR_OK) { (void) pthread_mutex_unlock(&pslot->sl_mutex); return (rv); } obj = pslot->sl_tobj_list; while (obj) { (void) pthread_mutex_lock(&obj->object_mutex); if (((token_specified) && (ulCount > 1)) || ((!token_specified) && (ulCount > 0))) { if (kms_find_match_attrs(obj, pclasses, num_pclasses, pTemplate, ulCount)) { rv = add_to_search_result( obj, fcontext, &num_result_alloc); } } else { /* no search criteria, just record the object */ rv = add_to_search_result(obj, fcontext, &num_result_alloc); } (void) pthread_mutex_unlock(&obj->object_mutex); if (rv != CKR_OK) { goto cleanup; } obj = obj->next; } (void) pthread_mutex_unlock(&pslot->sl_mutex); } if (token_flag_val) { return (rv); } /* * Go through all objects in each session. * Acquire individual session lock for the session * we are searching. */ session_p = pslot->sl_sess_list; while (session_p) { (void) pthread_mutex_lock(&session_p->session_mutex); obj = session_p->object_list; while (obj) { (void) pthread_mutex_lock(&obj->object_mutex); if (ulCount > 0) { if (kms_find_match_attrs(obj, pclasses, num_pclasses, pTemplate, ulCount)) { rv = add_to_search_result( obj, fcontext, &num_result_alloc); } } else { /* no search criteria, just record the object */ rv = add_to_search_result(obj, fcontext, &num_result_alloc); } (void) pthread_mutex_unlock(&obj->object_mutex); if (rv != CKR_OK) { (void) pthread_mutex_unlock( &session_p->session_mutex); goto cleanup; } obj = obj->next; } (void) pthread_mutex_unlock(&session_p->session_mutex); session_p = session_p->next; } cleanup: /* Release the slot lock */ (void) pthread_mutex_unlock(&pslot->sl_mutex); return (rv); } /* * Initialize the context for C_FindObjects() calls */ CK_RV kms_find_objects_init(kms_session_t *sp, CK_ATTRIBUTE_PTR pTemplate, CK_ULONG ulCount) { CK_RV rv = CKR_OK; CK_OBJECT_CLASS class; /* for kms_validate_attr(). Value unused */ find_context_t *fcontext; if (ulCount) { rv = kms_validate_attr(pTemplate, ulCount, &class); /* Make sure all attributes in template are valid */ if (rv != CKR_OK) { return (rv); } } /* prepare the find context */ fcontext = calloc(1, sizeof (find_context_t)); if (fcontext == NULL) { return (CKR_HOST_MEMORY); } rv = search_for_objects(sp, pTemplate, ulCount, fcontext); if (rv != CKR_OK) { free(fcontext); return (rv); } /* store the find_context in the session */ sp->find_objects.context = (CK_VOID_PTR)fcontext; return (rv); } void kms_find_objects_final(kms_session_t *sp) { find_context_t *fcontext; fcontext = sp->find_objects.context; sp->find_objects.context = NULL; sp->find_objects.flags = 0; if (fcontext->objs_found != NULL) { free(fcontext->objs_found); } free(fcontext); } CK_RV kms_find_objects(kms_session_t *sp, CK_OBJECT_HANDLE *obj_found, CK_ULONG max_obj_requested, CK_ULONG *found_obj_count) { find_context_t *fcontext; CK_ULONG num_obj_found = 0; CK_ULONG i; kms_object_t *obj; fcontext = sp->find_objects.context; for (i = fcontext->next_result_index; ((num_obj_found < max_obj_requested) && (i < fcontext->num_results)); i++) { obj = fcontext->objs_found[i]; if (obj != NULL) { (void) pthread_mutex_lock(&obj->object_mutex); /* a sanity check to make sure the obj is still valid */ if (obj->magic_marker == KMSTOKEN_OBJECT_MAGIC) { obj_found[num_obj_found] = (CK_OBJECT_HANDLE)obj; num_obj_found++; } (void) pthread_mutex_unlock(&obj->object_mutex); } } fcontext->next_result_index = i; *found_obj_count = num_obj_found; return (CKR_OK); } /* * Add an token object to the token object list in slot. * * This function will acquire the lock on the slot, and release * that lock after adding the object to the slot's token object list. */ void kms_add_token_object_to_slot(kms_object_t *objp, kms_slot_t *pslot) { /* Acquire the slot lock. */ (void) pthread_mutex_lock(&pslot->sl_mutex); /* Insert the new object in front of slot's token object list. */ if (pslot->sl_tobj_list == NULL) { pslot->sl_tobj_list = objp; objp->next = NULL; objp->prev = NULL; } else { pslot->sl_tobj_list->prev = objp; objp->next = pslot->sl_tobj_list; objp->prev = NULL; pslot->sl_tobj_list = objp; } /* Release the slot lock. */ (void) pthread_mutex_unlock(&pslot->sl_mutex); } /* * Remove an token object from the slot's token object list. * This routine is called by kms_delete_token_object(). * The caller of this function hold the slot lock. */ void kms_remove_token_object_from_slot(kms_slot_t *pslot, kms_object_t *objp) { if (pslot->sl_tobj_list == objp) { /* Object is the first one in the list */ if (objp->next) { pslot->sl_tobj_list = objp->next; objp->next->prev = NULL; } else { /* Object is the only one in the list. */ pslot->sl_tobj_list = NULL; } } else { /* Object is not the first one in the list. */ if (objp->next) { /* Object is in the middle of the list. */ if (objp->prev) objp->prev->next = objp->next; objp->next->prev = objp->prev; } else if (objp->prev) { /* Object is the last one in the list. */ objp->prev->next = NULL; } } } /* * Delete a token object: * - Remove the object from the slot's token object list. * - Release the storage allocated to the object. * * The boolean argument slot_lock_held is used to indicate that whether * the caller holds the slot lock or not. When the caller does not hold * the slot lock, this function will acquire that lock in order to proceed, * and also release that lock before returning to caller. * * The boolean argument wrapper_only is used to indicate that whether * the caller only wants to the object wrapper from library. */ CK_RV kms_delete_token_object(kms_slot_t *pslot, kms_session_t *sp, kms_object_t *objp, boolean_t slot_lock_held, boolean_t wrapper_only) { CK_RV rv = CKR_OK; if (!slot_lock_held) { (void) pthread_mutex_lock(&pslot->sl_mutex); } if (!wrapper_only && objp->class == CKO_SECRET_KEY) { /* Delete from KMS */ rv = KMS_DestroyKey(sp, objp); } /* Remove the object from the slot's token object list first. */ kms_remove_token_object_from_slot(pslot, objp); /* Release the slot lock if the call doesn't hold the lock. */ if (!slot_lock_held) { (void) pthread_mutex_unlock(&pslot->sl_mutex); } kms_delete_object_cleanup(objp, wrapper_only); return (rv); } /* * Clean up private object wrappers in this slot. The caller holds the slot * lock. */ void kms_cleanup_pri_objects_in_slot(kms_slot_t *pslot, kms_session_t *cur_sp) { kms_session_t *session_p; kms_object_t *objp; kms_object_t *objp1; /* * Delete every private token object from * the slot token object list. */ (void) pthread_mutex_lock(&pslot->sl_mutex); objp = pslot->sl_tobj_list; while (objp) { objp1 = objp->next; /* * The first TRUE boolean argument indicates that the caller * hold the slot lock. The second TRUE boolean argument * indicates that the caller just wants to clean up the object * wrapper from the library only. */ if (objp->bool_attr_mask & PRIVATE_BOOL_ON) { (void) kms_delete_token_object(pslot, cur_sp, objp, B_TRUE, B_TRUE); } objp = objp1; } (void) pthread_mutex_unlock(&pslot->sl_mutex); /* * Walk through all the sessions in this slot and delete every * private object. */ session_p = pslot->sl_sess_list; while (session_p) { /* Delete all the objects in the session. */ objp = session_p->object_list; while (objp) { objp1 = objp->next; /* * The FALSE boolean argument indicates that the * caller does not hold the session lock. The TRUE * boolean argument indicates that the caller just * want to clean upt the object wrapper from the * library only. */ if (objp->bool_attr_mask & PRIVATE_BOOL_ON) { (void) kms_delete_object(session_p, objp, B_FALSE, B_TRUE); } objp = objp1; } session_p = session_p->next; } } /* * Get the object size in bytes for the objects created in the library. */ CK_RV kms_get_object_size(kms_object_t *obj, CK_ULONG_PTR pulSize) { CK_RV rv = CKR_OK; CK_ULONG obj_size; obj_size = sizeof (kms_object_t); switch (obj->class) { case CKO_SECRET_KEY: obj_size += OBJ_SEC_VALUE_LEN(obj); break; default: rv = CKR_OBJECT_HANDLE_INVALID; } if (rv == CKR_OK) { *pulSize = obj_size; } return (rv); }