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-rw-r--r--source4/dsdb/schema/schema_init.c39
1 files changed, 29 insertions, 10 deletions
diff --git a/source4/dsdb/schema/schema_init.c b/source4/dsdb/schema/schema_init.c
index 278f18cf0d..c301766c9d 100644
--- a/source4/dsdb/schema/schema_init.c
+++ b/source4/dsdb/schema/schema_init.c
@@ -3,7 +3,8 @@
DSDB schema header
Copyright (C) Stefan Metzmacher <metze@samba.org> 2006
-
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2007
+
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
@@ -1038,6 +1039,11 @@ WERROR dsdb_linked_attribute_lDAPDisplayName_list(const struct dsdb_schema *sche
return WERR_OK;
}
+/**
+ * Attach the schema to an opaque pointer on the ldb, so ldb modules
+ * can find it
+ */
+
int dsdb_set_schema(struct ldb_context *ldb, struct dsdb_schema *schema)
{
int ret;
@@ -1052,8 +1058,14 @@ int dsdb_set_schema(struct ldb_context *ldb, struct dsdb_schema *schema)
return LDB_SUCCESS;
}
+/**
+ * Global variable to hold one copy of the schema, used to avoid memory bloat
+ */
static struct dsdb_schema *global_schema;
+/**
+ * Make this ldb use the 'global' schema, setup to avoid having multiple copies in this process
+ */
int dsdb_set_global_schema(struct ldb_context *ldb)
{
int ret;
@@ -1068,6 +1080,10 @@ int dsdb_set_global_schema(struct ldb_context *ldb)
return LDB_SUCCESS;
}
+/**
+ * Find the schema object for this ldb
+ */
+
const struct dsdb_schema *dsdb_get_schema(struct ldb_context *ldb)
{
const void *p;
@@ -1087,18 +1103,14 @@ const struct dsdb_schema *dsdb_get_schema(struct ldb_context *ldb)
return schema;
}
+/**
+ * Make the schema found on this ldb the 'global' schema
+ */
+
void dsdb_make_schema_global(struct ldb_context *ldb)
{
const void *p;
- const struct dsdb_schema *schema;
-
- /* see if we have a cached copy */
- p = ldb_get_opaque(ldb, "dsdb_schema");
- if (!p) {
- return;
- }
-
- schema = talloc_get_type(p, struct dsdb_schema);
+ const struct dsdb_schema *schema = dsdb_get_schema(ldb);
if (!schema) {
return;
}
@@ -1109,6 +1121,13 @@ void dsdb_make_schema_global(struct ldb_context *ldb)
dsdb_set_global_schema(ldb);
}
+
+/**
+ * Rather than read a schema from the LDB itself, read it from an ldif
+ * file. This allows schema to be loaded and used while adding the
+ * schema itself to the directory.
+ */
+
WERROR dsdb_attach_schema_from_ldif_file(struct ldb_context *ldb, const char *pf, const char *df)
{
struct ldb_ldif *ldif;