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-rw-r--r--source4/dsdb/schema/dsdb_dn.c102
-rw-r--r--source4/dsdb/schema/schema.h1
2 files changed, 103 insertions, 0 deletions
diff --git a/source4/dsdb/schema/dsdb_dn.c b/source4/dsdb/schema/dsdb_dn.c
new file mode 100644
index 0000000000..bd945bca06
--- /dev/null
+++ b/source4/dsdb/schema/dsdb_dn.c
@@ -0,0 +1,102 @@
+/*
+ Unix SMB/CIFS implementation.
+ Samba utility functions
+
+ Copyright (C) Andrew Tridgell 2009
+ 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
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "includes.h"
+#include "dsdb/samdb/samdb.h"
+#include "lib/ldb/include/ldb_module.h"
+#include "librpc/ndr/libndr.h"
+#include "libcli/security/dom_sid.h"
+
+/*
+ convert a dsdb_dn to a linked attribute data blob
+*/
+WERROR dsdb_dn_la_to_blob(struct ldb_context *sam_ctx,
+ const struct dsdb_attribute *schema_attrib,
+ const struct dsdb_schema *schema,
+ TALLOC_CTX *mem_ctx,
+ struct dsdb_dn *dsdb_dn, DATA_BLOB **blob)
+{
+ struct ldb_val v;
+ WERROR werr;
+ struct ldb_message_element val_el;
+ struct drsuapi_DsReplicaAttribute drs;
+ struct dsdb_syntax_ctx syntax_ctx;
+
+ /* use default syntax conversion context */
+ dsdb_syntax_ctx_init(&syntax_ctx, sam_ctx, schema);
+
+ /* we need a message_element with just one value in it */
+ v = data_blob_string_const(dsdb_dn_get_extended_linearized(mem_ctx, dsdb_dn, 1));
+
+ val_el.name = schema_attrib->lDAPDisplayName;
+ val_el.values = &v;
+ val_el.num_values = 1;
+
+ werr = schema_attrib->syntax->ldb_to_drsuapi(&syntax_ctx, schema_attrib, &val_el, mem_ctx, &drs);
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ if (drs.value_ctr.num_values != 1) {
+ DEBUG(1,(__location__ ": Failed to build DRS blob for linked attribute %s\n",
+ schema_attrib->lDAPDisplayName));
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ *blob = drs.value_ctr.values[0].blob;
+ return WERR_OK;
+}
+
+/*
+ convert a data blob to a dsdb_dn
+ */
+WERROR dsdb_dn_la_from_blob(struct ldb_context *sam_ctx,
+ const struct dsdb_attribute *schema_attrib,
+ const struct dsdb_schema *schema,
+ TALLOC_CTX *mem_ctx,
+ DATA_BLOB *blob,
+ struct dsdb_dn **dsdb_dn)
+{
+ WERROR werr;
+ struct ldb_message_element new_el;
+ struct drsuapi_DsReplicaAttribute drs;
+ struct drsuapi_DsAttributeValue val;
+ struct dsdb_syntax_ctx syntax_ctx;
+
+ /* use default syntax conversion context */
+ dsdb_syntax_ctx_init(&syntax_ctx, sam_ctx, schema);
+
+ drs.value_ctr.num_values = 1;
+ drs.value_ctr.values = &val;
+ val.blob = blob;
+
+ werr = schema_attrib->syntax->drsuapi_to_ldb(&syntax_ctx, schema_attrib, &drs, mem_ctx, &new_el);
+ W_ERROR_NOT_OK_RETURN(werr);
+
+ if (new_el.num_values != 1) {
+ return WERR_INTERNAL_ERROR;
+ }
+
+ *dsdb_dn = dsdb_dn_parse(mem_ctx, sam_ctx, &new_el.values[0], schema_attrib->syntax->ldap_oid);
+ if (!*dsdb_dn) {
+ return WERR_INTERNAL_ERROR;
+ }
+
+ return WERR_OK;
+}
diff --git a/source4/dsdb/schema/schema.h b/source4/dsdb/schema/schema.h
index 8c73fd56d4..fd1e090b85 100644
--- a/source4/dsdb/schema/schema.h
+++ b/source4/dsdb/schema/schema.h
@@ -27,6 +27,7 @@
struct dsdb_attribute;
struct dsdb_class;
struct dsdb_schema;
+struct dsdb_dn;
struct dsdb_syntax_ctx {
struct ldb_context *ldb;