1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/security/nss/lib/ckfw/dbm/session.c Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,265 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include "ckdbm.h"
1.9 +
1.10 +static void
1.11 +nss_dbm_mdSession_Close
1.12 +(
1.13 + NSSCKMDSession *mdSession,
1.14 + NSSCKFWSession *fwSession,
1.15 + NSSCKMDToken *mdToken,
1.16 + NSSCKFWToken *fwToken,
1.17 + NSSCKMDInstance *mdInstance,
1.18 + NSSCKFWInstance *fwInstance
1.19 +)
1.20 +{
1.21 + nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
1.22 +
1.23 + struct nss_dbm_dbt_node *w;
1.24 +
1.25 + /* Lock */
1.26 + {
1.27 + if( CKR_OK != NSSCKFWMutex_Lock(session->list_lock) ) {
1.28 + return;
1.29 + }
1.30 +
1.31 + w = session->session_objects;
1.32 + session->session_objects = (struct nss_dbm_dbt_node *)NULL; /* sanity */
1.33 +
1.34 + (void)NSSCKFWMutex_Unlock(session->list_lock);
1.35 + }
1.36 +
1.37 + for( ; (struct nss_dbm_dbt_node *)NULL != w; w = w->next ) {
1.38 + (void)nss_dbm_db_delete_object(w->dbt);
1.39 + }
1.40 +}
1.41 +
1.42 +static CK_ULONG
1.43 +nss_dbm_mdSession_GetDeviceError
1.44 +(
1.45 + NSSCKMDSession *mdSession,
1.46 + NSSCKFWSession *fwSession,
1.47 + NSSCKMDToken *mdToken,
1.48 + NSSCKFWToken *fwToken,
1.49 + NSSCKMDInstance *mdInstance,
1.50 + NSSCKFWInstance *fwInstance
1.51 +)
1.52 +{
1.53 + nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
1.54 + return session->deviceError;
1.55 +}
1.56 +
1.57 +/* Login isn't needed */
1.58 +/* Logout isn't needed */
1.59 +/* InitPIN is irrelevant */
1.60 +/* SetPIN is irrelevant */
1.61 +/* GetOperationStateLen is irrelevant */
1.62 +/* GetOperationState is irrelevant */
1.63 +/* SetOperationState is irrelevant */
1.64 +
1.65 +static NSSCKMDObject *
1.66 +nss_dbm_mdSession_CreateObject
1.67 +(
1.68 + NSSCKMDSession *mdSession,
1.69 + NSSCKFWSession *fwSession,
1.70 + NSSCKMDToken *mdToken,
1.71 + NSSCKFWToken *fwToken,
1.72 + NSSCKMDInstance *mdInstance,
1.73 + NSSCKFWInstance *fwInstance,
1.74 + NSSArena *handyArenaPointer,
1.75 + CK_ATTRIBUTE_PTR pTemplate,
1.76 + CK_ULONG ulAttributeCount,
1.77 + CK_RV *pError
1.78 +)
1.79 +{
1.80 + nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
1.81 + nss_dbm_token_t *token = (nss_dbm_token_t *)mdToken->etc;
1.82 + CK_ULONG i;
1.83 + CK_BBOOL isToken = CK_FALSE; /* defaults to false */
1.84 + NSSCKMDObject *rv;
1.85 + struct nss_dbm_dbt_node *node = (struct nss_dbm_dbt_node *)NULL;
1.86 + nss_dbm_object_t *object;
1.87 + nss_dbm_db_t *which_db;
1.88 +
1.89 + /* This framework should really pass this to me */
1.90 + for( i = 0; i < ulAttributeCount; i++ ) {
1.91 + if( CKA_TOKEN == pTemplate[i].type ) {
1.92 + isToken = *(CK_BBOOL *)pTemplate[i].pValue;
1.93 + break;
1.94 + }
1.95 + }
1.96 +
1.97 + object = nss_ZNEW(handyArenaPointer, nss_dbm_object_t);
1.98 + if( (nss_dbm_object_t *)NULL == object ) {
1.99 + *pError = CKR_HOST_MEMORY;
1.100 + return (NSSCKMDObject *)NULL;
1.101 + }
1.102 +
1.103 + object->arena = handyArenaPointer;
1.104 + which_db = isToken ? token->slot->token_db : token->session_db;
1.105 +
1.106 + /* Do this before the actual database call; it's easier to recover from */
1.107 + rv = nss_dbm_mdObject_factory(object, pError);
1.108 + if( (NSSCKMDObject *)NULL == rv ) {
1.109 + return (NSSCKMDObject *)NULL;
1.110 + }
1.111 +
1.112 + if( CK_FALSE == isToken ) {
1.113 + node = nss_ZNEW(session->arena, struct nss_dbm_dbt_node);
1.114 + if( (struct nss_dbm_dbt_node *)NULL == node ) {
1.115 + *pError = CKR_HOST_MEMORY;
1.116 + return (NSSCKMDObject *)NULL;
1.117 + }
1.118 + }
1.119 +
1.120 + object->handle = nss_dbm_db_create_object(handyArenaPointer, which_db,
1.121 + pTemplate, ulAttributeCount,
1.122 + pError, &session->deviceError);
1.123 + if( (nss_dbm_dbt_t *)NULL == object->handle ) {
1.124 + return (NSSCKMDObject *)NULL;
1.125 + }
1.126 +
1.127 + if( CK_FALSE == isToken ) {
1.128 + node->dbt = object->handle;
1.129 + /* Lock */
1.130 + {
1.131 + *pError = NSSCKFWMutex_Lock(session->list_lock);
1.132 + if( CKR_OK != *pError ) {
1.133 + (void)nss_dbm_db_delete_object(object->handle);
1.134 + return (NSSCKMDObject *)NULL;
1.135 + }
1.136 +
1.137 + node->next = session->session_objects;
1.138 + session->session_objects = node;
1.139 +
1.140 + *pError = NSSCKFWMutex_Unlock(session->list_lock);
1.141 + }
1.142 + }
1.143 +
1.144 + return rv;
1.145 +}
1.146 +
1.147 +/* CopyObject isn't needed; the framework will use CreateObject */
1.148 +
1.149 +static NSSCKMDFindObjects *
1.150 +nss_dbm_mdSession_FindObjectsInit
1.151 +(
1.152 + NSSCKMDSession *mdSession,
1.153 + NSSCKFWSession *fwSession,
1.154 + NSSCKMDToken *mdToken,
1.155 + NSSCKFWToken *fwToken,
1.156 + NSSCKMDInstance *mdInstance,
1.157 + NSSCKFWInstance *fwInstance,
1.158 + CK_ATTRIBUTE_PTR pTemplate,
1.159 + CK_ULONG ulAttributeCount,
1.160 + CK_RV *pError
1.161 +)
1.162 +{
1.163 + nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc;
1.164 + nss_dbm_token_t *token = (nss_dbm_token_t *)mdToken->etc;
1.165 + NSSArena *arena;
1.166 + nss_dbm_find_t *find;
1.167 + NSSCKMDFindObjects *rv;
1.168 +
1.169 + arena = NSSArena_Create();
1.170 + if( (NSSArena *)NULL == arena ) {
1.171 + *pError = CKR_HOST_MEMORY;
1.172 + goto loser;
1.173 + }
1.174 +
1.175 + find = nss_ZNEW(arena, nss_dbm_find_t);
1.176 + if( (nss_dbm_find_t *)NULL == find ) {
1.177 + *pError = CKR_HOST_MEMORY;
1.178 + goto loser;
1.179 + }
1.180 +
1.181 + find->arena = arena;
1.182 + find->list_lock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError);
1.183 + if( (NSSCKFWMutex *)NULL == find->list_lock ) {
1.184 + goto loser;
1.185 + }
1.186 +
1.187 + *pError = nss_dbm_db_find_objects(find, token->slot->token_db, pTemplate,
1.188 + ulAttributeCount, &session->deviceError);
1.189 + if( CKR_OK != *pError ) {
1.190 + goto loser;
1.191 + }
1.192 +
1.193 + *pError = nss_dbm_db_find_objects(find, token->session_db, pTemplate,
1.194 + ulAttributeCount, &session->deviceError);
1.195 + if( CKR_OK != *pError ) {
1.196 + goto loser;
1.197 + }
1.198 +
1.199 + rv = nss_dbm_mdFindObjects_factory(find, pError);
1.200 + if( (NSSCKMDFindObjects *)NULL == rv ) {
1.201 + goto loser;
1.202 + }
1.203 +
1.204 + return rv;
1.205 +
1.206 + loser:
1.207 + if( (NSSArena *)NULL != arena ) {
1.208 + (void)NSSArena_Destroy(arena);
1.209 + }
1.210 +
1.211 + return (NSSCKMDFindObjects *)NULL;
1.212 +}
1.213 +
1.214 +/* SeedRandom is irrelevant */
1.215 +/* GetRandom is irrelevant */
1.216 +
1.217 +NSS_IMPLEMENT NSSCKMDSession *
1.218 +nss_dbm_mdSession_factory
1.219 +(
1.220 + nss_dbm_token_t *token,
1.221 + NSSCKFWSession *fwSession,
1.222 + NSSCKFWInstance *fwInstance,
1.223 + CK_BBOOL rw,
1.224 + CK_RV *pError
1.225 +)
1.226 +{
1.227 + NSSArena *arena;
1.228 + nss_dbm_session_t *session;
1.229 + NSSCKMDSession *rv;
1.230 +
1.231 + arena = NSSCKFWSession_GetArena(fwSession, pError);
1.232 +
1.233 + session = nss_ZNEW(arena, nss_dbm_session_t);
1.234 + if( (nss_dbm_session_t *)NULL == session ) {
1.235 + *pError = CKR_HOST_MEMORY;
1.236 + return (NSSCKMDSession *)NULL;
1.237 + }
1.238 +
1.239 + rv = nss_ZNEW(arena, NSSCKMDSession);
1.240 + if( (NSSCKMDSession *)NULL == rv ) {
1.241 + *pError = CKR_HOST_MEMORY;
1.242 + return (NSSCKMDSession *)NULL;
1.243 + }
1.244 +
1.245 + session->arena = arena;
1.246 + session->token = token;
1.247 + session->list_lock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError);
1.248 + if( (NSSCKFWMutex *)NULL == session->list_lock ) {
1.249 + return (NSSCKMDSession *)NULL;
1.250 + }
1.251 +
1.252 + rv->etc = (void *)session;
1.253 + rv->Close = nss_dbm_mdSession_Close;
1.254 + rv->GetDeviceError = nss_dbm_mdSession_GetDeviceError;
1.255 + /* Login isn't needed */
1.256 + /* Logout isn't needed */
1.257 + /* InitPIN is irrelevant */
1.258 + /* SetPIN is irrelevant */
1.259 + /* GetOperationStateLen is irrelevant */
1.260 + /* GetOperationState is irrelevant */
1.261 + /* SetOperationState is irrelevant */
1.262 + rv->CreateObject = nss_dbm_mdSession_CreateObject;
1.263 + /* CopyObject isn't needed; the framework will use CreateObject */
1.264 + rv->FindObjectsInit = nss_dbm_mdSession_FindObjectsInit;
1.265 + rv->null = NULL;
1.266 +
1.267 + return rv;
1.268 +}
