From 9256b5f22677cc265b0560a15c0e0a719ba3138d Mon Sep 17 00:00:00 2001 From: Kamen Mazdrashki Date: Fri, 17 Sep 2010 02:54:46 +0300 Subject: [PATCH] s4-schema: Helper func to compare schemaInfo signitures --- source4/dsdb/schema/schema_info_attr.c | 41 ++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/source4/dsdb/schema/schema_info_attr.c b/source4/dsdb/schema/schema_info_attr.c index fb93d91f35cf..0b5d50b529e3 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 -- 2.34.1