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41ce3dc0c3
These flags, also on dsdb_module_search_dn() allow us to add commonly set controls to this pre-packaged blocking search, without rebuilding the whole function in each caller. Andrew Bartlett
110 lines
3.0 KiB
C
110 lines
3.0 KiB
C
/*
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Unix SMB/CIFS mplementation.
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The module that handles the PDC FSMO Role Owner checkings
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Copyright (C) Stefan Metzmacher 2007
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "ldb_module.h"
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#include "dsdb/samdb/samdb.h"
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#include "librpc/gen_ndr/ndr_misc.h"
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#include "librpc/gen_ndr/ndr_drsuapi.h"
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#include "librpc/gen_ndr/ndr_drsblobs.h"
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#include "../lib/util/dlinklist.h"
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#include "dsdb/samdb/ldb_modules/util.h"
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static int pdc_fsmo_init(struct ldb_module *module)
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{
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struct ldb_context *ldb;
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TALLOC_CTX *mem_ctx;
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struct ldb_dn *pdc_dn;
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struct dsdb_pdc_fsmo *pdc_fsmo;
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struct ldb_result *pdc_res;
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int ret;
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static const char *pdc_attrs[] = {
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"fSMORoleOwner",
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NULL
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};
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ldb = ldb_module_get_ctx(module);
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mem_ctx = talloc_new(module);
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if (!mem_ctx) {
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ldb_oom(ldb);
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return LDB_ERR_OPERATIONS_ERROR;
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}
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pdc_dn = samdb_base_dn(ldb);
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if (!pdc_dn) {
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ldb_debug(ldb, LDB_DEBUG_WARNING,
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"pdc_fsmo_init: no domain dn present: (skip loading of domain details)\n");
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talloc_free(mem_ctx);
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return ldb_next_init(module);
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}
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pdc_fsmo = talloc_zero(mem_ctx, struct dsdb_pdc_fsmo);
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if (!pdc_fsmo) {
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ldb_oom(ldb);
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return LDB_ERR_OPERATIONS_ERROR;
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}
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ldb_module_set_private(module, pdc_fsmo);
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ret = dsdb_module_search_dn(module, mem_ctx, &pdc_res,
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pdc_dn,
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pdc_attrs, 0);
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if (ret == LDB_ERR_NO_SUCH_OBJECT) {
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ldb_debug(ldb, LDB_DEBUG_WARNING,
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"pdc_fsmo_init: no domain object present: (skip loading of domain details)\n");
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talloc_free(mem_ctx);
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return ldb_next_init(module);
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} else if (ret != LDB_SUCCESS) {
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ldb_debug_set(ldb, LDB_DEBUG_FATAL,
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"pdc_fsmo_init: failed to search the domain object: %d:%s",
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ret, ldb_strerror(ret));
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talloc_free(mem_ctx);
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return ret;
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}
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pdc_fsmo->master_dn = ldb_msg_find_attr_as_dn(ldb, mem_ctx, pdc_res->msgs[0], "fSMORoleOwner");
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if (ldb_dn_compare(samdb_ntds_settings_dn(ldb), pdc_fsmo->master_dn) == 0) {
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pdc_fsmo->we_are_master = true;
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} else {
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pdc_fsmo->we_are_master = false;
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}
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if (ldb_set_opaque(ldb, "dsdb_pdc_fsmo", pdc_fsmo) != LDB_SUCCESS) {
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ldb_oom(ldb);
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return LDB_ERR_OPERATIONS_ERROR;
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}
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talloc_steal(module, pdc_fsmo);
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ldb_debug(ldb, LDB_DEBUG_TRACE,
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"pdc_fsmo_init: we are master: %s\n",
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(pdc_fsmo->we_are_master?"yes":"no"));
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talloc_free(mem_ctx);
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return ldb_next_init(module);
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}
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_PUBLIC_ const struct ldb_module_ops ldb_pdc_fsmo_module_ops = {
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.name = "pdc_fsmo",
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.init_context = pdc_fsmo_init
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};
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