NSS_IMPLEMENT CK_RV
nss_dbm_db_delete_object
(
nss_dbm_dbt_t *dbt
)
{
CK_RV rv;
int dbrv;
/* Locked region */
{
rv = NSSCKFWMutex_Lock(dbt->my_db->crustylock);
if( CKR_OK != rv ) {
return rv;
}
dbrv = dbt->my_db->db->del(dbt->my_db->db, &dbt->dbt, 0);
if( 0 != dbrv ) {
rv = CKR_DEVICE_ERROR;
goto done;
}
dbrv = dbt->my_db->db->sync(dbt->my_db->db, 0);
if( 0 != dbrv ) {
rv = CKR_DEVICE_ERROR;
goto done;
}
done:
(void)NSSCKFWMutex_Unlock(dbt->my_db->crustylock);
}
return rv;
}
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);
}
}
NSS_IMPLEMENT CK_VERSION
nss_dbm_db_get_format_version
(
nss_dbm_db_t *db
)
{
CK_VERSION rv;
DBT k, v;
int dbrv;
char buffer[64];
rv.major = rv.minor = 0;
k.data = PREFIX_METADATA "FormatVersion";
k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
(void)memset(&v, 0, sizeof(v));
/* Locked region */
{
if( CKR_OK != NSSCKFWMutex_Lock(db->crustylock) ) {
return rv;
}
dbrv = db->db->get(db->db, &k, &v, 0);
if( dbrv == 0 ) {
CK_ULONG major = 0, minor = 0;
(void)PR_sscanf(v.data, "%ld.%ld", &major, &minor);
rv.major = major;
rv.minor = minor;
} else if( dbrv > 0 ) {
(void)PR_snprintf(buffer, sizeof(buffer), "%ld.%ld", nss_dbm_db_format_version.major,
nss_dbm_db_format_version.minor);
v.data = buffer;
v.size = nssUTF8_Size((NSSUTF8 *)v.data, (PRStatus *)NULL);
dbrv = db->db->put(db->db, &k, &v, 0);
(void)db->db->sync(db->db, 0);
rv = nss_dbm_db_format_version;
} else {
/* No error return.. */
;
}
(void)NSSCKFWMutex_Unlock(db->crustylock);
}
return rv;
}
NSS_IMPLEMENT NSSUTF8 *
nss_dbm_db_get_label
(
nss_dbm_db_t *db,
NSSArena *arena,
CK_RV *pError
)
{
NSSUTF8 *rv = (NSSUTF8 *)NULL;
DBT k, v;
int dbrv;
k.data = PREFIX_METADATA "Label";
k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
/* Locked region */
{
if( CKR_OK != NSSCKFWMutex_Lock(db->crustylock) ) {
return rv;
}
dbrv = db->db->get(db->db, &k, &v, 0);
if( 0 == dbrv ) {
rv = nssUTF8_Duplicate((NSSUTF8 *)v.data, arena);
if( (NSSUTF8 *)NULL == rv ) {
*pError = CKR_HOST_MEMORY;
}
} else if( dbrv > 0 ) {
/* Just return null */
;
} else {
*pError = CKR_DEVICE_ERROR;
;
}
(void)NSSCKFWMutex_Unlock(db->crustylock);
}
return rv;
}
NSS_IMPLEMENT CK_RV
nss_dbm_db_set_label
(
nss_dbm_db_t *db,
NSSUTF8 *label
)
{
CK_RV rv;
DBT k, v;
int dbrv;
k.data = PREFIX_METADATA "Label";
k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
v.data = label;
v.size = nssUTF8_Size((NSSUTF8 *)v.data, (PRStatus *)NULL);
/* Locked region */
{
rv = NSSCKFWMutex_Lock(db->crustylock);
if( CKR_OK != rv ) {
return rv;
}
dbrv = db->db->put(db->db, &k, &v, 0);
if( 0 != dbrv ) {
rv = CKR_DEVICE_ERROR;
}
dbrv = db->db->sync(db->db, 0);
if( 0 != dbrv ) {
rv = CKR_DEVICE_ERROR;
}
(void)NSSCKFWMutex_Unlock(db->crustylock);
}
return rv;
}
static NSSCKMDObject *
nss_dbm_mdFindObjects_Next
(
NSSCKMDFindObjects *mdFindObjects,
NSSCKFWFindObjects *fwFindObjects,
NSSCKMDSession *mdSession,
NSSCKFWSession *fwSession,
NSSCKMDToken *mdToken,
NSSCKFWToken *fwToken,
NSSCKMDInstance *mdInstance,
NSSCKFWInstance *fwInstance,
NSSArena *arena,
CK_RV *pError
)
{
nss_dbm_find_t *find = (nss_dbm_find_t *)mdFindObjects->etc;
struct nss_dbm_dbt_node *node;
nss_dbm_object_t *object;
NSSCKMDObject *rv;
while(1) {
/* Lock */
{
*pError = NSSCKFWMutex_Lock(find->list_lock);
if( CKR_OK != *pError ) {
return (NSSCKMDObject *)NULL;
}
node = find->found;
if( (struct nss_dbm_dbt_node *)NULL != node ) {
find->found = node->next;
}
*pError = NSSCKFWMutex_Unlock(find->list_lock);
if( CKR_OK != *pError ) {
/* screwed now */
return (NSSCKMDObject *)NULL;
}
}
if( (struct nss_dbm_dbt_node *)NULL == node ) {
break;
}
if( nss_dbm_db_object_still_exists(node->dbt) ) {
break;
}
}
if( (struct nss_dbm_dbt_node *)NULL == node ) {
*pError = CKR_OK;
return (NSSCKMDObject *)NULL;
}
object = nss_ZNEW(arena, nss_dbm_object_t);
if( (nss_dbm_object_t *)NULL == object ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDObject *)NULL;
}
object->arena = arena;
object->handle = nss_ZNEW(arena, nss_dbm_dbt_t);
if( (nss_dbm_dbt_t *)NULL == object->handle ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDObject *)NULL;
}
object->handle->my_db = node->dbt->my_db;
object->handle->dbt.size = node->dbt->dbt.size;
object->handle->dbt.data = nss_ZAlloc(arena, node->dbt->dbt.size);
if( (void *)NULL == object->handle->dbt.data ) {
*pError = CKR_HOST_MEMORY;
return (NSSCKMDObject *)NULL;
}
(void)memcpy(object->handle->dbt.data, node->dbt->dbt.data, node->dbt->dbt.size);
rv = nss_dbm_mdObject_factory(object, pError);
if( (NSSCKMDObject *)NULL == rv ) {
return (NSSCKMDObject *)NULL;
}
return rv;
}
NSS_IMPLEMENT CK_RV
nss_dbm_db_find_objects
(
nss_dbm_find_t *find,
nss_dbm_db_t *db,
CK_ATTRIBUTE_PTR pTemplate,
CK_ULONG ulAttributeCount,
CK_ULONG *pdbrv
)
{
CK_RV rv = CKR_OK;
if( (nss_dbm_db_t *)NULL != db ) {
DBT k, v;
rv = NSSCKFWMutex_Lock(db->crustylock);
if( CKR_OK != rv ) {
return rv;
}
*pdbrv = db->db->seq(db->db, &k, &v, R_FIRST);
while( 0 == *pdbrv ) {
CK_ULONG i, j;
NSSArena *tmparena = (NSSArena *)NULL;
CK_ULONG ulac;
CK_ATTRIBUTE_PTR pt;
if( (k.size < 4) || (0 != memcmp(k.data, PREFIX_OBJECT, 4)) ) {
goto nomatch;
}
tmparena = NSSArena_Create();
rv = nss_dbm_db_unwrap_object(tmparena, &v, &pt, &ulac);
if( CKR_OK != rv ) {
goto loser;
}
for( i = 0; i < ulAttributeCount; i++ ) {
for( j = 0; j < ulac; j++ ) {
if( pTemplate[i].type == pt[j].type ) {
if( pTemplate[i].ulValueLen != pt[j].ulValueLen ) {
goto nomatch;
}
if( 0 != memcmp(pTemplate[i].pValue, pt[j].pValue, pt[j].ulValueLen) ) {
goto nomatch;
}
break;
}
}
if( j == ulac ) {
goto nomatch;
}
}
/* entire template matches */
{
struct nss_dbm_dbt_node *node;
node = nss_ZNEW(find->arena, struct nss_dbm_dbt_node);
if( (struct nss_dbm_dbt_node *)NULL == node ) {
rv = CKR_HOST_MEMORY;
goto loser;
}
node->dbt = nss_ZNEW(find->arena, nss_dbm_dbt_t);
if( (nss_dbm_dbt_t *)NULL == node->dbt ) {
rv = CKR_HOST_MEMORY;
goto loser;
}
node->dbt->dbt.size = k.size;
node->dbt->dbt.data = nss_ZAlloc(find->arena, k.size);
if( (void *)NULL == node->dbt->dbt.data ) {
rv = CKR_HOST_MEMORY;
goto loser;
}
(void)memcpy(node->dbt->dbt.data, k.data, k.size);
node->dbt->my_db = db;
node->next = find->found;
find->found = node;
}
nomatch:
if( (NSSArena *)NULL != tmparena ) {
(void)NSSArena_Destroy(tmparena);
}
*pdbrv = db->db->seq(db->db, &k, &v, R_NEXT);
}
if( *pdbrv < 0 ) {
rv = CKR_DEVICE_ERROR;
goto loser;
}
rv = CKR_OK;
loser:
(void)NSSCKFWMutex_Unlock(db->crustylock);
}
NSS_IMPLEMENT nss_dbm_dbt_t *
nss_dbm_db_create_object
(
NSSArena *arena,
nss_dbm_db_t *db,
CK_ATTRIBUTE_PTR pTemplate,
CK_ULONG ulAttributeCount,
CK_RV *pError,
CK_ULONG *pdbrv
)
{
NSSArena *tmparena = (NSSArena *)NULL;
nss_dbm_dbt_t *rv = (nss_dbm_dbt_t *)NULL;
DBT object;
rv = nss_ZNEW(arena, nss_dbm_dbt_t);
if( (nss_dbm_dbt_t *)NULL == rv ) {
*pError = CKR_HOST_MEMORY;
return (nss_dbm_dbt_t *)NULL;
}
rv->my_db = db;
rv->dbt.size = sizeof(struct handle);
rv->dbt.data = nss_ZAlloc(arena, rv->dbt.size);
if( (void *)NULL == rv->dbt.data ) {
*pError = CKR_HOST_MEMORY;
return (nss_dbm_dbt_t *)NULL;
}
*pdbrv = nss_dbm_db_new_handle(db, &rv->dbt, pError);
if( 0 != *pdbrv ) {
return (nss_dbm_dbt_t *)NULL;
}
tmparena = NSSArena_Create();
if( (NSSArena *)NULL == tmparena ) {
*pError = CKR_HOST_MEMORY;
return (nss_dbm_dbt_t *)NULL;
}
*pError = nss_dbm_db_wrap_object(tmparena, pTemplate, ulAttributeCount, &object);
if( CKR_OK != *pError ) {
return (nss_dbm_dbt_t *)NULL;
}
/* Locked region */
{
*pError = NSSCKFWMutex_Lock(db->crustylock);
if( CKR_OK != *pError ) {
goto loser;
}
*pdbrv = db->db->put(db->db, &rv->dbt, &object, 0);
if( 0 != *pdbrv ) {
*pError = CKR_DEVICE_ERROR;
}
(void)db->db->sync(db->db, 0);
(void)NSSCKFWMutex_Unlock(db->crustylock);
}
loser:
if( (NSSArena *)NULL != tmparena ) {
(void)NSSArena_Destroy(tmparena);
}
return rv;
}
static CK_ULONG
nss_dbm_db_new_handle
(
nss_dbm_db_t *db,
DBT *dbt, /* pre-allocated */
CK_RV *pError
)
{
CK_ULONG rv;
DBT k, v;
CK_ULONG align = 0, id, myid;
struct handle *hp;
if( sizeof(struct handle) != dbt->size ) {
return EINVAL;
}
/* Locked region */
{
*pError = NSSCKFWMutex_Lock(db->crustylock);
if( CKR_OK != *pError ) {
return EINVAL;
}
k.data = PREFIX_METADATA "LastID";
k.size = nssUTF8_Size((NSSUTF8 *)k.data, (PRStatus *)NULL);
(void)memset(&v, 0, sizeof(v));
rv = db->db->get(db->db, &k, &v, 0);
if( 0 == rv ) {
(void)memcpy(&align, v.data, sizeof(CK_ULONG));
id = ntohl(align);
} else if( rv > 0 ) {
id = 0;
} else {
goto done;
}
myid = id;
id++;
align = htonl(id);
v.data = &align;
v.size = sizeof(CK_ULONG);
rv = db->db->put(db->db, &k, &v, 0);
if( 0 != rv ) {
goto done;
}
rv = db->db->sync(db->db, 0);
if( 0 != rv ) {
goto done;
}
done:
(void)NSSCKFWMutex_Unlock(db->crustylock);
}
if( 0 != rv ) {
return rv;
}
hp = (struct handle *)dbt->data;
(void)memcpy(&hp->prefix[0], PREFIX_OBJECT, 4);
hp->id = myid;
return 0;
}
