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Diffstat (limited to 'source4/dsdb/samdb/ldb_modules/schema_fsmo.c')
-rw-r--r--source4/dsdb/samdb/ldb_modules/schema_fsmo.c113
1 files changed, 101 insertions, 12 deletions
diff --git a/source4/dsdb/samdb/ldb_modules/schema_fsmo.c b/source4/dsdb/samdb/ldb_modules/schema_fsmo.c
index c482ab57df..2b6606c147 100644
--- a/source4/dsdb/samdb/ldb_modules/schema_fsmo.c
+++ b/source4/dsdb/samdb/ldb_modules/schema_fsmo.c
@@ -5,6 +5,7 @@
checkings, it also loads the dsdb_schema.
Copyright (C) Stefan Metzmacher <metze@samba.org> 2007
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2009
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
@@ -28,6 +29,7 @@
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "param/param.h"
+#include "dsdb/samdb/ldb_modules/util.h"
static int generate_objectClasses(struct ldb_context *ldb, struct ldb_message *msg,
const struct dsdb_schema *schema);
@@ -90,13 +92,107 @@ struct schema_fsmo_search_data {
const struct dsdb_schema *schema;
};
+/*
+ Given an LDB module (pointing at the schema DB), and the DN, set the populated schema
+*/
+
+static int dsdb_schema_from_schema_dn(TALLOC_CTX *mem_ctx, struct ldb_module *module,
+ struct smb_iconv_convenience *iconv_convenience,
+ struct ldb_dn *schema_dn,
+ struct dsdb_schema **schema)
+{
+ TALLOC_CTX *tmp_ctx;
+ char *error_string;
+ int ret;
+ struct ldb_context *ldb = ldb_module_get_ctx(module);
+ struct ldb_result *schema_res;
+ struct ldb_result *a_res;
+ struct ldb_result *c_res;
+ static const char *schema_attrs[] = {
+ "prefixMap",
+ "schemaInfo",
+ "fSMORoleOwner",
+ NULL
+ };
+ unsigned flags;
+
+ tmp_ctx = talloc_new(mem_ctx);
+ if (!tmp_ctx) {
+ ldb_oom(ldb);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* we don't want to trace the schema load */
+ flags = ldb_get_flags(ldb);
+ ldb_set_flags(ldb, flags & ~LDB_FLG_ENABLE_TRACING);
+
+ /*
+ * setup the prefix mappings and schema info
+ */
+ ret = dsdb_module_search_dn(module, tmp_ctx, &schema_res,
+ schema_dn, schema_attrs);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ goto failed;
+ } else if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb,
+ "dsdb_schema: failed to search the schema head: %s",
+ ldb_errstring(ldb));
+ goto failed;
+ }
+
+ /*
+ * load the attribute definitions
+ */
+ ret = dsdb_module_search(module, tmp_ctx, &a_res,
+ schema_dn, LDB_SCOPE_ONELEVEL, NULL,
+ "(objectClass=attributeSchema)");
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb,
+ "dsdb_schema: failed to search attributeSchema objects: %s",
+ ldb_errstring(ldb));
+ goto failed;
+ }
+
+ /*
+ * load the objectClass definitions
+ */
+ ret = dsdb_module_search(module, tmp_ctx, &c_res,
+ schema_dn, LDB_SCOPE_ONELEVEL, NULL,
+ "(objectClass=classSchema)");
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb,
+ "dsdb_schema: failed to search attributeSchema objects: %s",
+ ldb_errstring(ldb));
+ goto failed;
+ }
+
+ ret = dsdb_schema_from_ldb_results(tmp_ctx, ldb,
+ lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
+ schema_res, a_res, c_res, schema, &error_string);
+ if (ret != LDB_SUCCESS) {
+ ldb_asprintf_errstring(ldb,
+ "dsdb_schema load failed: %s",
+ error_string);
+ goto failed;
+ }
+ talloc_steal(mem_ctx, *schema);
+
+failed:
+ if (flags & LDB_FLG_ENABLE_TRACING) {
+ flags = ldb_get_flags(ldb);
+ ldb_set_flags(ldb, flags | LDB_FLG_ENABLE_TRACING);
+ }
+ talloc_free(tmp_ctx);
+ return ret;
+}
+
+
static int schema_fsmo_init(struct ldb_module *module)
{
struct ldb_context *ldb;
TALLOC_CTX *mem_ctx;
struct ldb_dn *schema_dn;
struct dsdb_schema *schema;
- char *error_string = NULL;
int ret;
struct schema_fsmo_private_data *data;
@@ -134,9 +230,9 @@ static int schema_fsmo_init(struct ldb_module *module)
return LDB_ERR_OPERATIONS_ERROR;
}
- ret = dsdb_schema_from_schema_dn(mem_ctx, ldb,
+ ret = dsdb_schema_from_schema_dn(mem_ctx, module,
lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
- schema_dn, &schema, &error_string);
+ schema_dn, &schema);
if (ret == LDB_ERR_NO_SUCH_OBJECT) {
ldb_reset_err_string(ldb);
@@ -147,9 +243,6 @@ static int schema_fsmo_init(struct ldb_module *module)
}
if (ret != LDB_SUCCESS) {
- ldb_asprintf_errstring(ldb,
- "schema_fsmo_init: dsdb_schema load failed: %s",
- error_string);
talloc_free(mem_ctx);
return ret;
}
@@ -246,7 +339,6 @@ static int schema_fsmo_extended(struct ldb_module *module, struct ldb_request *r
struct ldb_context *ldb;
struct ldb_dn *schema_dn;
struct dsdb_schema *schema;
- char *error_string = NULL;
int ret;
TALLOC_CTX *mem_ctx;
@@ -270,9 +362,9 @@ static int schema_fsmo_extended(struct ldb_module *module, struct ldb_request *r
return LDB_ERR_OPERATIONS_ERROR;
}
- ret = dsdb_schema_from_schema_dn(mem_ctx, ldb,
+ ret = dsdb_schema_from_schema_dn(mem_ctx, module,
lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
- schema_dn, &schema, &error_string);
+ schema_dn, &schema);
if (ret == LDB_ERR_NO_SUCH_OBJECT) {
ldb_reset_err_string(ldb);
@@ -283,9 +375,6 @@ static int schema_fsmo_extended(struct ldb_module *module, struct ldb_request *r
}
if (ret != LDB_SUCCESS) {
- ldb_asprintf_errstring(ldb,
- "schema_fsmo_extended: dsdb_schema load failed: %s",
- error_string);
talloc_free(mem_ctx);
return ldb_next_request(module, req);
}