WERROR dsdb_read_prefixes_from_ldb(struct ldb_context *ldb, TALLOC_CTX *mem_ctx, struct dsdb_schema_prefixmap **_pfm)
{
WERROR werr;
int ldb_ret;
const struct ldb_val *prefix_val;
struct smb_iconv_convenience *iconv_convenience;
struct ldb_dn *schema_dn;
struct ldb_result *schema_res = NULL;
static const char *schema_attrs[] = {
"prefixMap",
NULL
};
schema_dn = samdb_schema_dn(ldb);
if (!schema_dn) {
DEBUG(0,("dsdb_read_prefixes_from_ldb: no schema dn present\n"));
return WERR_FOOBAR;
}
ldb_ret = ldb_search(ldb, mem_ctx, &schema_res, schema_dn, LDB_SCOPE_BASE, schema_attrs, NULL);
if (ldb_ret == LDB_ERR_NO_SUCH_OBJECT) {
DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefix map present\n"));
talloc_free(schema_res);
return WERR_FOOBAR;
} else if (ldb_ret != LDB_SUCCESS) {
DEBUG(0,("dsdb_read_prefixes_from_ldb: failed to search the schema head\n"));
talloc_free(schema_res);
return WERR_FOOBAR;
}
prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
if (!prefix_val) {
DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefixMap attribute found\n"));
talloc_free(schema_res);
return WERR_FOOBAR;
}
iconv_convenience = lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm"));
werr = _dsdb_prefixmap_from_ldb_val(prefix_val,
iconv_convenience,
mem_ctx,
_pfm);
talloc_free(schema_res);
W_ERROR_NOT_OK_RETURN(werr);
return WERR_OK;
}
WERROR dsdb_load_oid_mappings_ldb(struct dsdb_schema *schema,
const struct ldb_val *prefixMap,
const struct ldb_val *schemaInfo)
{
WERROR werr;
const char *schema_info;
struct dsdb_schema_prefixmap *pfm;
TALLOC_CTX *mem_ctx;
/* verify schemaInfo blob is valid one */
if (!dsdb_schema_info_blob_is_valid(schemaInfo)) {
DEBUG(0,(__location__": dsdb_schema_info_blob_is_valid() failed.\n"));
return WERR_INVALID_PARAMETER;
}
mem_ctx = talloc_new(schema);
W_ERROR_HAVE_NO_MEMORY(mem_ctx);
/* fetch prefixMap */
werr = _dsdb_prefixmap_from_ldb_val(prefixMap,
mem_ctx, &pfm);
if (!W_ERROR_IS_OK(werr)) {
DEBUG(0, (__location__ " _dsdb_prefixmap_from_ldb_val failed: %s\n", win_errstr(werr)));
talloc_free(mem_ctx);
return werr;
}
/* decode schema_info */
schema_info = hex_encode_talloc(mem_ctx,
schemaInfo->data,
schemaInfo->length);
if (!schema_info) {
talloc_free(mem_ctx);
return WERR_NOMEM;
}
/* store prefixMap and schema_info into cached Schema */
talloc_free(schema->prefixmap);
schema->prefixmap = talloc_steal(schema, pfm);
talloc_free(discard_const(schema->schema_info));
schema->schema_info = talloc_steal(schema, schema_info);
/* clean up locally allocated mem */
talloc_free(mem_ctx);
return WERR_OK;
}
WERROR dsdb_load_oid_mappings_ldb(struct dsdb_schema *schema,
const struct ldb_val *prefixMap,
const struct ldb_val *schemaInfo)
{
WERROR status;
const char *schema_info;
struct dsdb_schema_prefixmap *pfm;
TALLOC_CTX *mem_ctx;
/* verify input params */
if (schemaInfo->length != 21) {
return WERR_INVALID_PARAMETER;
}
if (schemaInfo->data[0] != 0xFF) {
return WERR_INVALID_PARAMETER;
}
mem_ctx = talloc_new(schema);
W_ERROR_HAVE_NO_MEMORY(mem_ctx);
/* fetch prefixMap */
status = _dsdb_prefixmap_from_ldb_val(prefixMap,
schema->iconv_convenience,
mem_ctx, &pfm);
W_ERROR_NOT_OK_RETURN(status);
/* decode schema_info */
schema_info = hex_encode_talloc(mem_ctx,
schemaInfo->data,
schemaInfo->length);
if (!schema_info) {
talloc_free(mem_ctx);
return WERR_NOMEM;
}
/* store prefixMap and schema_info into cached Schema */
talloc_free(schema->prefixmap);
schema->prefixmap = talloc_steal(schema, pfm);
talloc_free(discard_const(schema->schema_info));
schema->schema_info = talloc_steal(schema, schema_info);
/* clean up locally allocated mem */
talloc_free(mem_ctx);
return WERR_OK;
}
