diff options
Diffstat (limited to 'security/nss/lib/ckfw/dbm/session.c')
| -rw-r--r-- | security/nss/lib/ckfw/dbm/session.c | 255 |
1 files changed, 255 insertions, 0 deletions
diff --git a/security/nss/lib/ckfw/dbm/session.c b/security/nss/lib/ckfw/dbm/session.c new file mode 100644 index 000000000..a1c2ee5fa --- /dev/null +++ b/security/nss/lib/ckfw/dbm/session.c @@ -0,0 +1,255 @@ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#include "ckdbm.h" + +static void +nss_dbm_mdSession_Close( + NSSCKMDSession *mdSession, + NSSCKFWSession *fwSession, + NSSCKMDToken *mdToken, + NSSCKFWToken *fwToken, + NSSCKMDInstance *mdInstance, + NSSCKFWInstance *fwInstance) +{ + nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc; + + struct nss_dbm_dbt_node *w; + + /* Lock */ + { + if (CKR_OK != NSSCKFWMutex_Lock(session->list_lock)) { + return; + } + + w = session->session_objects; + session->session_objects = (struct nss_dbm_dbt_node *)NULL; /* sanity */ + + (void)NSSCKFWMutex_Unlock(session->list_lock); + } + + for (; (struct nss_dbm_dbt_node *)NULL != w; w = w->next) { + (void)nss_dbm_db_delete_object(w->dbt); + } +} + +static CK_ULONG +nss_dbm_mdSession_GetDeviceError( + NSSCKMDSession *mdSession, + NSSCKFWSession *fwSession, + NSSCKMDToken *mdToken, + NSSCKFWToken *fwToken, + NSSCKMDInstance *mdInstance, + NSSCKFWInstance *fwInstance) +{ + nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc; + return session->deviceError; +} + +/* Login isn't needed */ +/* Logout isn't needed */ +/* InitPIN is irrelevant */ +/* SetPIN is irrelevant */ +/* GetOperationStateLen is irrelevant */ +/* GetOperationState is irrelevant */ +/* SetOperationState is irrelevant */ + +static NSSCKMDObject * +nss_dbm_mdSession_CreateObject( + NSSCKMDSession *mdSession, + NSSCKFWSession *fwSession, + NSSCKMDToken *mdToken, + NSSCKFWToken *fwToken, + NSSCKMDInstance *mdInstance, + NSSCKFWInstance *fwInstance, + NSSArena *handyArenaPointer, + CK_ATTRIBUTE_PTR pTemplate, + CK_ULONG ulAttributeCount, + CK_RV *pError) +{ + nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc; + nss_dbm_token_t *token = (nss_dbm_token_t *)mdToken->etc; + CK_ULONG i; + CK_BBOOL isToken = CK_FALSE; /* defaults to false */ + NSSCKMDObject *rv; + struct nss_dbm_dbt_node *node = (struct nss_dbm_dbt_node *)NULL; + nss_dbm_object_t *object; + nss_dbm_db_t *which_db; + + /* This framework should really pass this to me */ + for (i = 0; i < ulAttributeCount; i++) { + if (CKA_TOKEN == pTemplate[i].type) { + isToken = *(CK_BBOOL *)pTemplate[i].pValue; + break; + } + } + + object = nss_ZNEW(handyArenaPointer, nss_dbm_object_t); + if ((nss_dbm_object_t *)NULL == object) { + *pError = CKR_HOST_MEMORY; + return (NSSCKMDObject *)NULL; + } + + object->arena = handyArenaPointer; + which_db = isToken ? token->slot->token_db : token->session_db; + + /* Do this before the actual database call; it's easier to recover from */ + rv = nss_dbm_mdObject_factory(object, pError); + if ((NSSCKMDObject *)NULL == rv) { + return (NSSCKMDObject *)NULL; + } + + if (CK_FALSE == isToken) { + node = nss_ZNEW(session->arena, struct nss_dbm_dbt_node); + if ((struct nss_dbm_dbt_node *)NULL == node) { + *pError = CKR_HOST_MEMORY; + return (NSSCKMDObject *)NULL; + } + } + + object->handle = nss_dbm_db_create_object(handyArenaPointer, which_db, + pTemplate, ulAttributeCount, + pError, &session->deviceError); + if ((nss_dbm_dbt_t *)NULL == object->handle) { + return (NSSCKMDObject *)NULL; + } + + if (CK_FALSE == isToken) { + node->dbt = object->handle; + /* Lock */ + { + *pError = NSSCKFWMutex_Lock(session->list_lock); + if (CKR_OK != *pError) { + (void)nss_dbm_db_delete_object(object->handle); + return (NSSCKMDObject *)NULL; + } + + node->next = session->session_objects; + session->session_objects = node; + + *pError = NSSCKFWMutex_Unlock(session->list_lock); + } + } + + return rv; +} + +/* CopyObject isn't needed; the framework will use CreateObject */ + +static NSSCKMDFindObjects * +nss_dbm_mdSession_FindObjectsInit( + NSSCKMDSession *mdSession, + NSSCKFWSession *fwSession, + NSSCKMDToken *mdToken, + NSSCKFWToken *fwToken, + NSSCKMDInstance *mdInstance, + NSSCKFWInstance *fwInstance, + CK_ATTRIBUTE_PTR pTemplate, + CK_ULONG ulAttributeCount, + CK_RV *pError) +{ + nss_dbm_session_t *session = (nss_dbm_session_t *)mdSession->etc; + nss_dbm_token_t *token = (nss_dbm_token_t *)mdToken->etc; + NSSArena *arena; + nss_dbm_find_t *find; + NSSCKMDFindObjects *rv; + + arena = NSSArena_Create(); + if ((NSSArena *)NULL == arena) { + *pError = CKR_HOST_MEMORY; + goto loser; + } + + find = nss_ZNEW(arena, nss_dbm_find_t); + if ((nss_dbm_find_t *)NULL == find) { + *pError = CKR_HOST_MEMORY; + goto loser; + } + + find->arena = arena; + find->list_lock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError); + if ((NSSCKFWMutex *)NULL == find->list_lock) { + goto loser; + } + + *pError = nss_dbm_db_find_objects(find, token->slot->token_db, pTemplate, + ulAttributeCount, &session->deviceError); + if (CKR_OK != *pError) { + goto loser; + } + + *pError = nss_dbm_db_find_objects(find, token->session_db, pTemplate, + ulAttributeCount, &session->deviceError); + if (CKR_OK != *pError) { + goto loser; + } + + rv = nss_dbm_mdFindObjects_factory(find, pError); + if ((NSSCKMDFindObjects *)NULL == rv) { + goto loser; + } + + return rv; + +loser: + if ((NSSArena *)NULL != arena) { + (void)NSSArena_Destroy(arena); + } + + return (NSSCKMDFindObjects *)NULL; +} + +/* SeedRandom is irrelevant */ +/* GetRandom is irrelevant */ + +NSS_IMPLEMENT NSSCKMDSession * +nss_dbm_mdSession_factory( + nss_dbm_token_t *token, + NSSCKFWSession *fwSession, + NSSCKFWInstance *fwInstance, + CK_BBOOL rw, + CK_RV *pError) +{ + NSSArena *arena; + nss_dbm_session_t *session; + NSSCKMDSession *rv; + + arena = NSSCKFWSession_GetArena(fwSession, pError); + + session = nss_ZNEW(arena, nss_dbm_session_t); + if ((nss_dbm_session_t *)NULL == session) { + *pError = CKR_HOST_MEMORY; + return (NSSCKMDSession *)NULL; + } + + rv = nss_ZNEW(arena, NSSCKMDSession); + if ((NSSCKMDSession *)NULL == rv) { + *pError = CKR_HOST_MEMORY; + return (NSSCKMDSession *)NULL; + } + + session->arena = arena; + session->token = token; + session->list_lock = NSSCKFWInstance_CreateMutex(fwInstance, arena, pError); + if ((NSSCKFWMutex *)NULL == session->list_lock) { + return (NSSCKMDSession *)NULL; + } + + rv->etc = (void *)session; + rv->Close = nss_dbm_mdSession_Close; + rv->GetDeviceError = nss_dbm_mdSession_GetDeviceError; + /* Login isn't needed */ + /* Logout isn't needed */ + /* InitPIN is irrelevant */ + /* SetPIN is irrelevant */ + /* GetOperationStateLen is irrelevant */ + /* GetOperationState is irrelevant */ + /* SetOperationState is irrelevant */ + rv->CreateObject = nss_dbm_mdSession_CreateObject; + /* CopyObject isn't needed; the framework will use CreateObject */ + rv->FindObjectsInit = nss_dbm_mdSession_FindObjectsInit; + rv->null = NULL; + + return rv; +} |