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-rw-r--r--security/nss/lib/ckfw/dbm/find.c126
1 files changed, 126 insertions, 0 deletions
diff --git a/security/nss/lib/ckfw/dbm/find.c b/security/nss/lib/ckfw/dbm/find.c
new file mode 100644
index 0000000000..8a03855c3f
--- /dev/null
+++ b/security/nss/lib/ckfw/dbm/find.c
@@ -0,0 +1,126 @@
+/* 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_mdFindObjects_Final(
+ NSSCKMDFindObjects *mdFindObjects,
+ NSSCKFWFindObjects *fwFindObjects,
+ NSSCKMDSession *mdSession,
+ NSSCKFWSession *fwSession,
+ NSSCKMDToken *mdToken,
+ NSSCKFWToken *fwToken,
+ NSSCKMDInstance *mdInstance,
+ NSSCKFWInstance *fwInstance)
+{
+ nss_dbm_find_t *find = (nss_dbm_find_t *)mdFindObjects->etc;
+
+ /* Locks might have system resources associated */
+ (void)NSSCKFWMutex_Destroy(find->list_lock);
+ (void)NSSArena_Destroy(find->arena);
+}
+
+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 NSSCKMDFindObjects *
+nss_dbm_mdFindObjects_factory(
+ nss_dbm_find_t *find,
+ CK_RV *pError)
+{
+ NSSCKMDFindObjects *rv;
+
+ rv = nss_ZNEW(find->arena, NSSCKMDFindObjects);
+ if ((NSSCKMDFindObjects *)NULL == rv) {
+ *pError = CKR_HOST_MEMORY;
+ return (NSSCKMDFindObjects *)NULL;
+ }
+
+ rv->etc = (void *)find;
+ rv->Final = nss_dbm_mdFindObjects_Final;
+ rv->Next = nss_dbm_mdFindObjects_Next;
+
+ return rv;
+}