1 files changed, 133 insertions, 0 deletions
diff --git a/nss/lib/ckfw/dbm/find.c b/nss/lib/ckfw/dbm/find.c
new file mode 100644
index 0000000..575c0ad
--- /dev/null
+++ b/nss/lib/ckfw/dbm/find.c
@@ -0,0 +1,133 @@
+/* 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;
+}