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authorKamen Mazdrashki <kamenim@samba.org>2010-09-17 02:54:46 +0300
committerKamen Mazdrashki <kamenim@samba.org>2010-09-17 13:53:03 +0300
commit9256b5f22677cc265b0560a15c0e0a719ba3138d (patch)
tree71979f5a423e2cdd43779fe0a105235657ba98b8 /source4/dsdb
parent1295da92f9a5272b73a0abcecb680f7c0d5bc854 (diff)
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s4-schema: Helper func to compare schemaInfo signitures
Diffstat (limited to 'source4/dsdb')
-rw-r--r--source4/dsdb/schema/schema_info_attr.c41
1 files changed, 41 insertions, 0 deletions
diff --git a/source4/dsdb/schema/schema_info_attr.c b/source4/dsdb/schema/schema_info_attr.c
index fb93d91f35..0b5d50b529 100644
--- a/source4/dsdb/schema/schema_info_attr.c
+++ b/source4/dsdb/schema/schema_info_attr.c
@@ -164,6 +164,47 @@ WERROR dsdb_blob_from_schema_info(const struct dsdb_schema_info *schema_info,
return WERR_OK;
}
+/**
+ * Compares schemaInfo signatures in dsdb_schema and prefixMap.
+ * NOTE: At present function compares schemaInfo values
+ * as string without taking into account schemVersion field
+ *
+ * @return WERR_OK if schemaInfos are equal
+ * WERR_DS_DRA_SCHEMA_MISMATCH if schemaInfos are different
+ */
+WERROR dsdb_schema_info_cmp(const struct dsdb_schema *schema,
+ const struct drsuapi_DsReplicaOIDMapping_Ctr *ctr)
+{
+ bool bres;
+ DATA_BLOB blob;
+ char *schema_info_str;
+ struct drsuapi_DsReplicaOIDMapping *mapping;
+
+ /* we should have at least schemaInfo element */
+ if (ctr->num_mappings < 1) {
+ return WERR_INVALID_PARAMETER;
+ }
+
+ /* verify schemaInfo element is valid */
+ mapping = &ctr->mappings[ctr->num_mappings - 1];
+ if (mapping->id_prefix != 0) {
+ return WERR_INVALID_PARAMETER;
+ }
+
+ blob = data_blob_const(mapping->oid.binary_oid, mapping->oid.length);
+ if (!dsdb_schema_info_blob_is_valid(&blob)) {
+ return WERR_INVALID_PARAMETER;
+ }
+
+ schema_info_str = hex_encode_talloc(NULL, blob.data, blob.length);
+ W_ERROR_HAVE_NO_MEMORY(schema_info_str);
+
+ bres = strequal(schema->schema_info, schema_info_str);
+ talloc_free(schema_info_str);
+
+ return bres ? WERR_OK : WERR_DS_DRA_SCHEMA_MISMATCH;
+}
+
/**
* Reads schema_info structure from schemaInfo