Unix SMB/CIFS mplementation.
DSDB schema header
- Copyright (C) Stefan Metzmacher <metze@samba.org> 2006
- Copyright (C) Andrew Bartlett <abartlet@samba.org> 2007
+ Copyright (C) Stefan Metzmacher <metze@samba.org> 2006-2007
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2006-2008
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
#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "param/param.h"
+struct dsdb_schema *dsdb_new_schema(TALLOC_CTX *mem_ctx, struct smb_iconv_convenience *iconv_convenience)
+{
+ struct dsdb_schema *schema = talloc_zero(mem_ctx, struct dsdb_schema);
+ if (!schema) {
+ return NULL;
+ }
+
+ schema->iconv_convenience = iconv_convenience;
+ return schema;
+}
+
+
WERROR dsdb_load_oid_mappings_drsuapi(struct dsdb_schema *schema, const struct drsuapi_DsReplicaOIDMapping_Ctr *ctr)
{
uint32_t i,j;
TALLOC_CTX *mem_ctx = talloc_new(schema);
W_ERROR_HAVE_NO_MEMORY(mem_ctx);
- ndr_err = ndr_pull_struct_blob(prefixMap, mem_ctx, lp_iconv_convenience(global_loadparm), &pfm,
- (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
+ ndr_err = ndr_pull_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
talloc_free(mem_ctx);
pfm.reserved = 0;
pfm.ctr.dsdb = *ctr;
- ndr_err = ndr_push_struct_blob(prefixMap, mem_ctx, lp_iconv_convenience(global_loadparm), &pfm,
- (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
+ ndr_err = ndr_push_struct_blob(prefixMap, mem_ctx, schema->iconv_convenience, &pfm, (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
talloc_free(ctr);
if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
}
WERROR dsdb_map_oid2int(const struct dsdb_schema *schema, const char *in, uint32_t *out)
+{
+ return dsdb_find_prefix_for_oid(schema->num_prefixes, schema->prefixes, in, out);
+}
+
+
+WERROR dsdb_map_int2oid(const struct dsdb_schema *schema, uint32_t in, TALLOC_CTX *mem_ctx, const char **out)
{
uint32_t i;
for (i=0; i < schema->num_prefixes; i++) {
+ const char *val;
+ if (schema->prefixes[i].id != (in & 0xFFFF0000)) {
+ continue;
+ }
+
+ val = talloc_asprintf(mem_ctx, "%s%u",
+ schema->prefixes[i].oid,
+ in & 0xFFFF);
+ W_ERROR_HAVE_NO_MEMORY(val);
+
+ *out = val;
+ return WERR_OK;
+ }
+
+ return WERR_DS_NO_MSDS_INTID;
+}
+
+/*
+ * this function is called from within a ldb transaction from the schema_fsmo module
+ */
+WERROR dsdb_create_prefix_mapping(struct ldb_context *ldb, struct dsdb_schema *schema, const char *full_oid)
+{
+ WERROR status;
+ uint32_t num_prefixes;
+ struct dsdb_schema_oid_prefix *prefixes;
+ TALLOC_CTX *mem_ctx;
+ uint32_t out;
+
+ mem_ctx = talloc_new(ldb);
+ W_ERROR_HAVE_NO_MEMORY(mem_ctx);
+
+ /* Read prefixes from disk*/
+ status = dsdb_read_prefixes_from_ldb( mem_ctx, ldb, &num_prefixes, &prefixes );
+ if (!W_ERROR_IS_OK(status)) {
+ DEBUG(0,("dsdb_create_prefix_mapping: dsdb_read_prefixes_from_ldb: %s\n",
+ win_errstr(status)));
+ talloc_free(mem_ctx);
+ return status;
+ }
+
+ /* Check if there is a prefix for the oid in the prefixes array*/
+ status = dsdb_find_prefix_for_oid( num_prefixes, prefixes, full_oid, &out );
+ if (W_ERROR_IS_OK(status)) {
+ /* prefix found*/
+ talloc_free(mem_ctx);
+ return status;
+ } else if (!W_ERROR_EQUAL(WERR_DS_NO_MSDS_INTID, status)) {
+ /* error */
+ DEBUG(0,("dsdb_create_prefix_mapping: dsdb_find_prefix_for_oid: %s\n",
+ win_errstr(status)));
+ talloc_free(mem_ctx);
+ return status;
+ }
+
+ /* Create the new mapping for the prefix of full_oid */
+ status = dsdb_prefix_map_update(mem_ctx, &num_prefixes, &prefixes, full_oid);
+ if (!W_ERROR_IS_OK(status)) {
+ DEBUG(0,("dsdb_create_prefix_mapping: dsdb_prefix_map_update: %s\n",
+ win_errstr(status)));
+ talloc_free(mem_ctx);
+ return status;
+ }
+
+ /* Update prefixMap in ldb*/
+ status = dsdb_write_prefixes_to_ldb(mem_ctx, ldb, num_prefixes, prefixes);
+ if (!W_ERROR_IS_OK(status)) {
+ DEBUG(0,("dsdb_create_prefix_mapping: dsdb_write_prefixes_to_ldb: %s\n",
+ win_errstr(status)));
+ talloc_free(mem_ctx);
+ return status;
+ }
+
+ talloc_free(mem_ctx);
+ return status;
+}
+
+WERROR dsdb_prefix_map_update(TALLOC_CTX *mem_ctx, uint32_t *num_prefixes, struct dsdb_schema_oid_prefix **prefixes, const char *oid)
+{
+ uint32_t new_num_prefixes, index_new_prefix, new_entry_id;
+ const char* lastDotOffset;
+ size_t size;
+
+ new_num_prefixes = *num_prefixes + 1;
+ index_new_prefix = *num_prefixes;
+
+ /*
+ * this is the algorithm we use to create new mappings for now
+ *
+ * TODO: find what algorithm windows use
+ */
+ new_entry_id = (*num_prefixes)<<16;
+
+ /* Extract the prefix from the oid*/
+ lastDotOffset = strrchr(oid, '.');
+ if (lastDotOffset == NULL) {
+ DEBUG(0,("dsdb_prefix_map_update: failed to find the last dot\n"));
+ return WERR_NOT_FOUND;
+ }
+
+ /* Calculate the size of the remainig string that should be the prefix of it */
+ size = strlen(oid) - strlen(lastDotOffset);
+ if (size <= 0) {
+ DEBUG(0,("dsdb_prefix_map_update: size of the remaining string invalid\n"));
+ return WERR_FOOBAR;
+ }
+ /* Add one because we need to copy the dot */
+ size += 1;
+
+ /* Create a spot in the prefixMap for one more prefix*/
+ (*prefixes) = talloc_realloc(mem_ctx, *prefixes, struct dsdb_schema_oid_prefix, new_num_prefixes);
+ W_ERROR_HAVE_NO_MEMORY(*prefixes);
+
+ /* Add the new prefix entry*/
+ (*prefixes)[index_new_prefix].id = new_entry_id;
+ (*prefixes)[index_new_prefix].oid = talloc_strndup(mem_ctx, oid, size);
+ (*prefixes)[index_new_prefix].oid_len = strlen((*prefixes)[index_new_prefix].oid);
+
+ /* Increase num_prefixes because new prefix has been added */
+ ++(*num_prefixes);
+
+ return WERR_OK;
+}
+
+WERROR dsdb_find_prefix_for_oid(uint32_t num_prefixes, const struct dsdb_schema_oid_prefix *prefixes, const char *in, uint32_t *out)
+{
+ uint32_t i;
+
+ for (i=0; i < num_prefixes; i++) {
const char *val_str;
char *end_str;
unsigned val;
- if (strncmp(schema->prefixes[i].oid, in, schema->prefixes[i].oid_len) != 0) {
+ if (strncmp(prefixes[i].oid, in, prefixes[i].oid_len) != 0) {
continue;
}
- val_str = in + schema->prefixes[i].oid_len;
+ val_str = in + prefixes[i].oid_len;
end_str = NULL;
errno = 0;
return WERR_INVALID_PARAM;
}
- *out = schema->prefixes[i].id | val;
+ *out = prefixes[i].id | val;
return WERR_OK;
}
return WERR_DS_NO_MSDS_INTID;
}
-WERROR dsdb_map_int2oid(const struct dsdb_schema *schema, uint32_t in, TALLOC_CTX *mem_ctx, const char **out)
+WERROR dsdb_write_prefixes_to_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
+ uint32_t num_prefixes,
+ const struct dsdb_schema_oid_prefix *prefixes)
{
+ struct ldb_message msg;
+ struct ldb_dn *schema_dn;
+ struct ldb_message_element el;
+ struct prefixMapBlob pm;
+ struct ldb_val ndr_blob;
+ enum ndr_err_code ndr_err;
uint32_t i;
+ int ret;
+
+ schema_dn = samdb_schema_dn(ldb);
+ if (!schema_dn) {
+ DEBUG(0,("dsdb_write_prefixes_to_ldb: no schema dn present\n"));
+ return WERR_FOOBAR;
+ }
- for (i=0; i < schema->num_prefixes; i++) {
- const char *val;
- if (schema->prefixes[i].id != (in & 0xFFFF0000)) {
- continue;
- }
+ pm.version = PREFIX_MAP_VERSION_DSDB;
+ pm.ctr.dsdb.num_mappings = num_prefixes;
+ pm.ctr.dsdb.mappings = talloc_array(mem_ctx,
+ struct drsuapi_DsReplicaOIDMapping,
+ pm.ctr.dsdb.num_mappings);
+ if (!pm.ctr.dsdb.mappings) {
+ return WERR_NOMEM;
+ }
- val = talloc_asprintf(mem_ctx, "%s%u",
- schema->prefixes[i].oid,
- in & 0xFFFF);
- W_ERROR_HAVE_NO_MEMORY(val);
+ for (i=0; i < num_prefixes; i++) {
+ pm.ctr.dsdb.mappings[i].id_prefix = prefixes[i].id>>16;
+ pm.ctr.dsdb.mappings[i].oid.oid = talloc_strdup(pm.ctr.dsdb.mappings, prefixes[i].oid);
+ }
- *out = val;
- return WERR_OK;
+ ndr_err = ndr_push_struct_blob(&ndr_blob, ldb,
+ lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
+ &pm,
+ (ndr_push_flags_fn_t)ndr_push_prefixMapBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ return WERR_FOOBAR;
+ }
+
+ el.num_values = 1;
+ el.values = &ndr_blob;
+ el.flags = LDB_FLAG_MOD_REPLACE;
+ el.name = talloc_strdup(mem_ctx, "prefixMap");
+
+ msg.dn = ldb_dn_copy(mem_ctx, schema_dn);
+ msg.num_elements = 1;
+ msg.elements = ⪙
+
+ ret = ldb_modify( ldb, &msg );
+ if (ret != 0) {
+ DEBUG(0,("dsdb_write_prefixes_to_ldb: ldb_modify failed\n"));
+ return WERR_FOOBAR;
+ }
+
+ return WERR_OK;
+}
+
+WERROR dsdb_read_prefixes_from_ldb(TALLOC_CTX *mem_ctx, struct ldb_context *ldb, uint32_t* num_prefixes, struct dsdb_schema_oid_prefix **prefixes)
+{
+ struct prefixMapBlob *blob;
+ enum ndr_err_code ndr_err;
+ uint32_t i;
+ const struct ldb_val *prefix_val;
+ struct ldb_dn *schema_dn;
+ struct ldb_result *schema_res;
+ int ret;
+ 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;
}
- return WERR_DS_NO_MSDS_INTID;
+ ret = ldb_search(ldb, schema_dn, LDB_SCOPE_BASE,NULL, schema_attrs,&schema_res);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ DEBUG(0,("dsdb_read_prefixes_from_ldb: no prefix map present\n"));
+ return WERR_FOOBAR;
+ } else if (ret != LDB_SUCCESS) {
+ DEBUG(0,("dsdb_read_prefixes_from_ldb: failed to search the schema head\n"));
+ 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"));
+ return WERR_FOOBAR;
+ }
+
+ blob = talloc(mem_ctx, struct prefixMapBlob);
+ W_ERROR_HAVE_NO_MEMORY(blob);
+
+ ndr_err = ndr_pull_struct_blob(prefix_val, blob,
+ lp_iconv_convenience(ldb_get_opaque(ldb, "loadparm")),
+ blob,
+ (ndr_pull_flags_fn_t)ndr_pull_prefixMapBlob);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ DEBUG(0,("dsdb_read_prefixes_from_ldb: ndr_pull_struct_blob failed\n"));
+ talloc_free(blob);
+ return WERR_FOOBAR;
+ }
+
+ if (blob->version != PREFIX_MAP_VERSION_DSDB) {
+ DEBUG(0,("dsdb_read_prefixes_from_ldb: blob->version incorect\n"));
+ talloc_free(blob);
+ return WERR_FOOBAR;
+ }
+
+ *num_prefixes = blob->ctr.dsdb.num_mappings;
+ *prefixes = talloc_array(mem_ctx, struct dsdb_schema_oid_prefix, *num_prefixes);
+ if(!(*prefixes)) {
+ talloc_free(blob);
+ return WERR_NOMEM;
+ }
+ for (i=0; i < blob->ctr.dsdb.num_mappings; i++) {
+ char *oid;
+ (*prefixes)[i].id = blob->ctr.dsdb.mappings[i].id_prefix<<16;
+ oid = talloc_strdup(mem_ctx, blob->ctr.dsdb.mappings[i].oid.oid);
+ (*prefixes)[i].oid = talloc_asprintf_append(oid, ".");
+ (*prefixes)[i].oid_len = strlen(blob->ctr.dsdb.mappings[i].oid.oid);
+ }
+
+ talloc_free(blob);
+ return WERR_OK;
}
#define GET_STRING_LDB(msg, attr, mem_ctx, p, elem, strict) do { \
GET_STRING_LDB(msg, "subClassOf", mem_ctx, obj, subClassOf, true);
- obj->systemAuxiliaryClass = NULL;
-
- obj->auxiliaryClass = NULL;
+ GET_STRING_LIST_LDB(msg, "systemAuxiliaryClass", mem_ctx, obj, systemAuxiliaryClass, false);
+ GET_STRING_LIST_LDB(msg, "auxiliaryClass", mem_ctx, obj, auxiliaryClass, false);
GET_STRING_LIST_LDB(msg, "systemMustContain", mem_ctx, obj, systemMustContain, false);
GET_STRING_LIST_LDB(msg, "systemMayContain", mem_ctx, obj, systemMayContain, false);
return WERR_OK;
}
+#define dsdb_oom(error_string, mem_ctx) *error_string = talloc_asprintf(mem_ctx, "dsdb out of memory at %s:%d\n", __FILE__, __LINE__)
+
+int dsdb_schema_from_ldb_results(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
+ struct smb_iconv_convenience *iconv_convenience,
+ struct ldb_result *schema_res,
+ struct ldb_result *attrs_res, struct ldb_result *objectclass_res,
+ struct dsdb_schema **schema_out,
+ char **error_string)
+{
+ WERROR status;
+ uint32_t i;
+ const struct ldb_val *prefix_val;
+ const struct ldb_val *info_val;
+ struct ldb_val info_val_default;
+ struct dsdb_schema *schema;
+
+ schema = dsdb_new_schema(mem_ctx, iconv_convenience);
+ if (!schema) {
+ dsdb_oom(error_string, mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ prefix_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "prefixMap");
+ if (!prefix_val) {
+ *error_string = talloc_asprintf(mem_ctx,
+ "schema_fsmo_init: no prefixMap attribute found");
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+ info_val = ldb_msg_find_ldb_val(schema_res->msgs[0], "schemaInfo");
+ if (!info_val) {
+ info_val_default = strhex_to_data_blob("FF0000000000000000000000000000000000000000");
+ if (!info_val_default.data) {
+ dsdb_oom(error_string, mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ talloc_steal(mem_ctx, info_val_default.data);
+ info_val = &info_val_default;
+ }
+
+ status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
+ if (!W_ERROR_IS_OK(status)) {
+ *error_string = talloc_asprintf(mem_ctx,
+ "schema_fsmo_init: failed to load oid mappings: %s",
+ win_errstr(status));
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ for (i=0; i < attrs_res->count; i++) {
+ struct dsdb_attribute *sa;
+
+ sa = talloc_zero(schema, struct dsdb_attribute);
+ if (!sa) {
+ dsdb_oom(error_string, mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ status = dsdb_attribute_from_ldb(schema, attrs_res->msgs[i], sa, sa);
+ if (!W_ERROR_IS_OK(status)) {
+ *error_string = talloc_asprintf(mem_ctx,
+ "schema_fsmo_init: failed to load attribute definition: %s:%s",
+ ldb_dn_get_linearized(attrs_res->msgs[i]->dn),
+ win_errstr(status));
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ DLIST_ADD_END(schema->attributes, sa, struct dsdb_attribute *);
+ }
+
+ for (i=0; i < objectclass_res->count; i++) {
+ struct dsdb_class *sc;
+
+ sc = talloc_zero(schema, struct dsdb_class);
+ if (!sc) {
+ dsdb_oom(error_string, mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ status = dsdb_class_from_ldb(schema, objectclass_res->msgs[i], sc, sc);
+ if (!W_ERROR_IS_OK(status)) {
+ *error_string = talloc_asprintf(mem_ctx,
+ "schema_fsmo_init: failed to load class definition: %s:%s",
+ ldb_dn_get_linearized(objectclass_res->msgs[i]->dn),
+ win_errstr(status));
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ DLIST_ADD_END(schema->classes, sc, struct dsdb_class *);
+ }
+
+ schema->fsmo.master_dn = ldb_msg_find_attr_as_dn(ldb, schema, schema_res->msgs[0], "fSMORoleOwner");
+ if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), schema->fsmo.master_dn) == 0) {
+ schema->fsmo.we_are_master = true;
+ } else {
+ schema->fsmo.we_are_master = false;
+ }
+
+ DEBUG(5, ("schema_fsmo_init: we are master: %s\n",
+ (schema->fsmo.we_are_master?"yes":"no")));
+
+ *schema_out = schema;
+ return LDB_SUCCESS;
+}
+
+/* This recursive load of the objectClasses presumes that they
+ * everything is in a strict subClassOf hirarchy.
+ *
+ * We load this in order so we produce certain outputs (such as the
+ * exported schema for openldap, and sorted objectClass attribute) 'in
+ * order' */
+
+static int fetch_oc_recursive(struct ldb_context *ldb, struct ldb_dn *schemadn,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_result *search_from,
+ struct ldb_result *res_list)
+{
+ int i;
+ int ret = 0;
+ for (i=0; i < search_from->count; i++) {
+ struct ldb_result *res;
+ const char *name = ldb_msg_find_attr_as_string(search_from->msgs[i],
+ "lDAPDisplayname", NULL);
+
+ ret = ldb_search_exp_fmt(ldb, mem_ctx, &res,
+ schemadn, LDB_SCOPE_SUBTREE, NULL,
+ "(&(&(objectClass=classSchema)(subClassOf=%s))(!(lDAPDisplayName=%s)))",
+ name, name);
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ res_list->msgs = talloc_realloc(res_list, res_list->msgs,
+ struct ldb_message *, res_list->count + 2);
+ if (!res_list->msgs) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+ res_list->msgs[res_list->count] = talloc_move(res_list,
+ &search_from->msgs[i]);
+ res_list->count++;
+ res_list->msgs[res_list->count] = NULL;
+
+ if (res->count > 0) {
+ ret = fetch_oc_recursive(ldb, schemadn, mem_ctx, res, res_list);
+ }
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+ }
+ return ret;
+}
+
+static int fetch_objectclass_schema(struct ldb_context *ldb, struct ldb_dn *schemadn,
+ TALLOC_CTX *mem_ctx,
+ struct ldb_result **objectclasses_res,
+ char **error_string)
+{
+ TALLOC_CTX *local_ctx = talloc_new(mem_ctx);
+ struct ldb_result *top_res, *ret_res;
+ int ret;
+ if (!local_ctx) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /* Download 'top' */
+ ret = ldb_search(ldb, schemadn, LDB_SCOPE_SUBTREE,
+ "(&(objectClass=classSchema)(lDAPDisplayName=top))",
+ NULL, &top_res);
+ if (ret != LDB_SUCCESS) {
+ *error_string = talloc_asprintf(mem_ctx,
+ "dsdb_schema: failed to search for top classSchema object: %s",
+ ldb_errstring(ldb));
+ return ret;
+ }
+
+ talloc_steal(local_ctx, top_res);
+
+ if (top_res->count != 1) {
+ *error_string = talloc_asprintf(mem_ctx,
+ "dsdb_schema: failed to find top classSchema object");
+ return LDB_ERR_NO_SUCH_OBJECT;
+ }
+
+ ret_res = talloc_zero(local_ctx, struct ldb_result);
+ if (!ret_res) {
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ ret = fetch_oc_recursive(ldb, schemadn, local_ctx, top_res, ret_res);
+
+ if (ret != LDB_SUCCESS) {
+ return ret;
+ }
+
+ *objectclasses_res = talloc_move(mem_ctx, &ret_res);
+ return ret;
+}
+
+int dsdb_schema_from_schema_dn(TALLOC_CTX *mem_ctx, struct ldb_context *ldb,
+ struct smb_iconv_convenience *iconv_convenience,
+ struct ldb_dn *schema_dn,
+ struct dsdb_schema **schema,
+ char **error_string_out)
+{
+ TALLOC_CTX *tmp_ctx;
+ char *error_string;
+ int ret;
+
+ struct ldb_result *schema_res;
+ struct ldb_result *a_res;
+ struct ldb_result *c_res;
+ static const char *schema_attrs[] = {
+ "prefixMap",
+ "schemaInfo",
+ "fSMORoleOwner",
+ NULL
+ };
+
+ tmp_ctx = talloc_new(mem_ctx);
+ if (!tmp_ctx) {
+ dsdb_oom(error_string_out, mem_ctx);
+ return LDB_ERR_OPERATIONS_ERROR;
+ }
+
+ /*
+ * setup the prefix mappings and schema info
+ */
+ ret = ldb_search(ldb, schema_dn,
+ LDB_SCOPE_BASE,
+ NULL, schema_attrs,
+ &schema_res);
+ if (ret == LDB_ERR_NO_SUCH_OBJECT) {
+ talloc_free(tmp_ctx);
+ return ret;
+ } else if (ret != LDB_SUCCESS) {
+ *error_string_out = talloc_asprintf(mem_ctx,
+ "dsdb_schema: failed to search the schema head: %s",
+ ldb_errstring(ldb));
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ talloc_steal(tmp_ctx, schema_res);
+ if (schema_res->count != 1) {
+ *error_string_out = talloc_asprintf(mem_ctx,
+ "dsdb_schema: [%u] schema heads found on a base search",
+ schema_res->count);
+ talloc_free(tmp_ctx);
+ return LDB_ERR_CONSTRAINT_VIOLATION;
+ }
+
+ /*
+ * load the attribute definitions
+ */
+ ret = ldb_search(ldb, schema_dn,
+ LDB_SCOPE_ONELEVEL,
+ "(objectClass=attributeSchema)", NULL,
+ &a_res);
+ if (ret != LDB_SUCCESS) {
+ *error_string_out = talloc_asprintf(mem_ctx,
+ "dsdb_schema: failed to search attributeSchema objects: %s",
+ ldb_errstring(ldb));
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ talloc_steal(tmp_ctx, a_res);
+
+ /*
+ * load the objectClass definitions
+ */
+ ret = fetch_objectclass_schema(ldb, schema_dn, tmp_ctx, &c_res, &error_string);
+ if (ret != LDB_SUCCESS) {
+ *error_string_out = talloc_asprintf(mem_ctx,
+ "Failed to fetch objectClass schema elements: %s", error_string);
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+
+ 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) {
+ *error_string_out = talloc_asprintf(mem_ctx,
+ "dsdb_schema load failed: %s",
+ error_string);
+ talloc_free(tmp_ctx);
+ return ret;
+ }
+ talloc_steal(mem_ctx, *schema);
+ talloc_free(tmp_ctx);
+
+ return LDB_SUCCESS;
+}
+
+
static const struct {
const char *name;
const char *oid;
} \
if (_a && _a->value_ctr.num_values >= 1) { \
ssize_t _ret; \
- _ret = convert_string_talloc(mem_ctx, lp_iconv_convenience(global_loadparm), CH_UTF16, CH_UNIX, \
+ _ret = convert_string_talloc(mem_ctx, s->iconv_convenience, CH_UTF16, CH_UNIX, \
_a->value_ctr.values[0].blob->data, \
_a->value_ctr.values[0].blob->length, \
(void **)discard_const(&(p)->elem)); \
struct drsuapi_DsReplicaObjectIdentifier3 _id3; \
enum ndr_err_code _ndr_err; \
_ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
- mem_ctx, lp_iconv_convenience(global_loadparm), &_id3,\
+ mem_ctx, s->iconv_convenience, &_id3,\
(ndr_pull_flags_fn_t)ndr_pull_drsuapi_DsReplicaObjectIdentifier3);\
if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
&& _a->value_ctr.values[0].blob->length == 16) { \
enum ndr_err_code _ndr_err; \
_ndr_err = ndr_pull_struct_blob_all(_a->value_ctr.values[0].blob, \
- mem_ctx, lp_iconv_convenience(global_loadparm), &(p)->elem, \
+ mem_ctx, s->iconv_convenience, &(p)->elem, \
(ndr_pull_flags_fn_t)ndr_pull_GUID); \
if (!NDR_ERR_CODE_IS_SUCCESS(_ndr_err)) { \
NTSTATUS _nt_status = ndr_map_error2ntstatus(_ndr_err); \
return WERR_OK;
}
-const struct dsdb_attribute *dsdb_attribute_by_attributeID_id(const struct dsdb_schema *schema,
- uint32_t id)
-{
- struct dsdb_attribute *cur;
-
- /*
- * 0xFFFFFFFF is used as value when no mapping table is available,
- * so don't try to match with it
- */
- if (id == 0xFFFFFFFF) return NULL;
-
- /* TODO: add binary search */
- for (cur = schema->attributes; cur; cur = cur->next) {
- if (cur->attributeID_id != id) continue;
-
- return cur;
- }
-
- return NULL;
-}
-
-const struct dsdb_attribute *dsdb_attribute_by_attributeID_oid(const struct dsdb_schema *schema,
- const char *oid)
-{
- struct dsdb_attribute *cur;
-
- if (!oid) return NULL;
-
- /* TODO: add binary search */
- for (cur = schema->attributes; cur; cur = cur->next) {
- if (strcmp(cur->attributeID_oid, oid) != 0) continue;
-
- return cur;
- }
-
- return NULL;
-}
-
-const struct dsdb_attribute *dsdb_attribute_by_lDAPDisplayName(const struct dsdb_schema *schema,
- const char *name)
-{
- struct dsdb_attribute *cur;
-
- if (!name) return NULL;
-
- /* TODO: add binary search */
- for (cur = schema->attributes; cur; cur = cur->next) {
- if (strcasecmp(cur->lDAPDisplayName, name) != 0) continue;
-
- return cur;
- }
-
- return NULL;
-}
-
-const struct dsdb_attribute *dsdb_attribute_by_linkID(const struct dsdb_schema *schema,
- int linkID)
-{
- struct dsdb_attribute *cur;
-
- /* TODO: add binary search */
- for (cur = schema->attributes; cur; cur = cur->next) {
- if (cur->linkID != linkID) continue;
-
- return cur;
- }
-
- return NULL;
-}
-
-const struct dsdb_class *dsdb_class_by_governsID_id(const struct dsdb_schema *schema,
- uint32_t id)
-{
- struct dsdb_class *cur;
-
- /*
- * 0xFFFFFFFF is used as value when no mapping table is available,
- * so don't try to match with it
- */
- if (id == 0xFFFFFFFF) return NULL;
-
- /* TODO: add binary search */
- for (cur = schema->classes; cur; cur = cur->next) {
- if (cur->governsID_id != id) continue;
-
- return cur;
- }
-
- return NULL;
-}
-
-const struct dsdb_class *dsdb_class_by_governsID_oid(const struct dsdb_schema *schema,
- const char *oid)
-{
- struct dsdb_class *cur;
-
- if (!oid) return NULL;
-
- /* TODO: add binary search */
- for (cur = schema->classes; cur; cur = cur->next) {
- if (strcmp(cur->governsID_oid, oid) != 0) continue;
-
- return cur;
- }
-
- return NULL;
-}
-
-const struct dsdb_class *dsdb_class_by_lDAPDisplayName(const struct dsdb_schema *schema,
- const char *name)
-{
- struct dsdb_class *cur;
-
- if (!name) return NULL;
-
- /* TODO: add binary search */
- for (cur = schema->classes; cur; cur = cur->next) {
- if (strcasecmp(cur->lDAPDisplayName, name) != 0) continue;
-
- return cur;
- }
-
- return NULL;
-}
-
-const struct dsdb_class *dsdb_class_by_cn(const struct dsdb_schema *schema,
- const char *cn)
-{
- struct dsdb_class *cur;
-
- if (!cn) return NULL;
-
- /* TODO: add binary search */
- for (cur = schema->classes; cur; cur = cur->next) {
- if (strcasecmp(cur->cn, cn) != 0) continue;
-
- return cur;
- }
-
- return NULL;
-}
-
-const char *dsdb_lDAPDisplayName_by_id(const struct dsdb_schema *schema,
- uint32_t id)
-{
- const struct dsdb_attribute *a;
- const struct dsdb_class *c;
-
- /* TODO: add binary search */
- a = dsdb_attribute_by_attributeID_id(schema, id);
- if (a) {
- return a->lDAPDisplayName;
- }
-
- c = dsdb_class_by_governsID_id(schema, id);
- if (c) {
- return c->lDAPDisplayName;
- }
-
- return NULL;
-}
-
-WERROR dsdb_linked_attribute_lDAPDisplayName_list(const struct dsdb_schema *schema, TALLOC_CTX *mem_ctx, const char ***attr_list_ret)
-{
- const char **attr_list = NULL;
- struct dsdb_attribute *cur;
- int i = 0;
- for (cur = schema->attributes; cur; cur = cur->next) {
- if (cur->linkID == 0) continue;
-
- attr_list = talloc_realloc(mem_ctx, attr_list, const char *, i+2);
- if (!attr_list) {
- return WERR_NOMEM;
- }
- attr_list[i] = cur->lDAPDisplayName;
- i++;
- }
- attr_list[i] = NULL;
- *attr_list_ret = attr_list;
- return WERR_OK;
-}
-
-/**
- * Attach the schema to an opaque pointer on the ldb, so ldb modules
- * can find it
- */
-
-int dsdb_set_schema(struct ldb_context *ldb, struct dsdb_schema *schema)
-{
- int ret;
-
- ret = ldb_set_opaque(ldb, "dsdb_schema", schema);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- talloc_steal(ldb, schema);
-
- return LDB_SUCCESS;
-}
-
-/**
- * Global variable to hold one copy of the schema, used to avoid memory bloat
- */
-static struct dsdb_schema *global_schema;
-
-/**
- * Make this ldb use the 'global' schema, setup to avoid having multiple copies in this process
- */
-int dsdb_set_global_schema(struct ldb_context *ldb)
-{
- int ret;
- if (!global_schema) {
- return LDB_SUCCESS;
- }
- ret = ldb_set_opaque(ldb, "dsdb_schema", global_schema);
- if (ret != LDB_SUCCESS) {
- return ret;
- }
-
- return LDB_SUCCESS;
-}
-
-/**
- * Find the schema object for this ldb
- */
-
-struct dsdb_schema *dsdb_get_schema(struct ldb_context *ldb)
-{
- const void *p;
- struct dsdb_schema *schema;
-
- /* see if we have a cached copy */
- p = ldb_get_opaque(ldb, "dsdb_schema");
- if (!p) {
- return NULL;
- }
-
- schema = talloc_get_type(p, struct dsdb_schema);
- if (!schema) {
- return NULL;
- }
-
- return schema;
-}
-
-/**
- * Make the schema found on this ldb the 'global' schema
- */
-
-void dsdb_make_schema_global(struct ldb_context *ldb)
-{
- struct dsdb_schema *schema = dsdb_get_schema(ldb);
- if (!schema) {
- return;
- }
-
- talloc_steal(talloc_autofree_context(), schema);
- global_schema = schema;
-
- dsdb_set_global_schema(ldb);
-}
-
-
-/**
- * Rather than read a schema from the LDB itself, read it from an ldif
- * file. This allows schema to be loaded and used while adding the
- * schema itself to the directory.
- */
-
-WERROR dsdb_attach_schema_from_ldif_file(struct ldb_context *ldb, const char *pf, const char *df)
-{
- struct ldb_ldif *ldif;
- struct ldb_message *msg;
- TALLOC_CTX *mem_ctx;
- WERROR status;
- int ret;
- struct dsdb_schema *schema;
- const struct ldb_val *prefix_val;
- const struct ldb_val *info_val;
- struct ldb_val info_val_default;
-
- mem_ctx = talloc_new(ldb);
- if (!mem_ctx) {
- goto nomem;
- }
-
- schema = talloc_zero(mem_ctx, struct dsdb_schema);
- if (!schema) {
- goto nomem;
- }
-
- /*
- * load the prefixMap attribute from pf
- */
- ldif = ldb_ldif_read_string(ldb, &pf);
- if (!ldif) {
- status = WERR_INVALID_PARAM;
- goto failed;
- }
- talloc_steal(mem_ctx, ldif);
-
- msg = ldb_msg_canonicalize(ldb, ldif->msg);
- if (!msg) {
- goto nomem;
- }
- talloc_steal(mem_ctx, msg);
- talloc_free(ldif);
-
- prefix_val = ldb_msg_find_ldb_val(msg, "prefixMap");
- if (!prefix_val) {
- status = WERR_INVALID_PARAM;
- goto failed;
- }
-
- info_val = ldb_msg_find_ldb_val(msg, "schemaInfo");
- if (!info_val) {
- info_val_default = strhex_to_data_blob("FF0000000000000000000000000000000000000000");
- if (!info_val_default.data) {
- goto nomem;
- }
- talloc_steal(mem_ctx, info_val_default.data);
- info_val = &info_val_default;
- }
-
- status = dsdb_load_oid_mappings_ldb(schema, prefix_val, info_val);
- if (!W_ERROR_IS_OK(status)) {
- goto failed;
- }
-
- /*
- * load the attribute and class definitions outof df
- */
- while ((ldif = ldb_ldif_read_string(ldb, &df))) {
- bool is_sa;
- bool is_sc;
-
- talloc_steal(mem_ctx, ldif);
-
- msg = ldb_msg_canonicalize(ldb, ldif->msg);
- if (!msg) {
- goto nomem;
- }
-
- talloc_steal(mem_ctx, msg);
- talloc_free(ldif);
-
- is_sa = ldb_msg_check_string_attribute(msg, "objectClass", "attributeSchema");
- is_sc = ldb_msg_check_string_attribute(msg, "objectClass", "classSchema");
-
- if (is_sa) {
- struct dsdb_attribute *sa;
-
- sa = talloc_zero(schema, struct dsdb_attribute);
- if (!sa) {
- goto nomem;
- }
-
- status = dsdb_attribute_from_ldb(schema, msg, sa, sa);
- if (!W_ERROR_IS_OK(status)) {
- goto failed;
- }
-
- DLIST_ADD_END(schema->attributes, sa, struct dsdb_attribute *);
- } else if (is_sc) {
- struct dsdb_class *sc;
-
- sc = talloc_zero(schema, struct dsdb_class);
- if (!sc) {
- goto nomem;
- }
-
- status = dsdb_class_from_ldb(schema, msg, sc, sc);
- if (!W_ERROR_IS_OK(status)) {
- goto failed;
- }
-
- DLIST_ADD_END(schema->classes, sc, struct dsdb_class *);
- }
- }
-
- ret = dsdb_set_schema(ldb, schema);
- if (ret != LDB_SUCCESS) {
- status = WERR_FOOBAR;
- goto failed;
- }
-
- goto done;
-
-nomem:
- status = WERR_NOMEM;
-failed:
-done:
- talloc_free(mem_ctx);
- return status;
-}
git.samba.org / kai / samba.git / blobdiff