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-rw-r--r--source4/dsdb/config.mk3
-rw-r--r--source4/dsdb/repl/drepl_fsmo.c151
-rw-r--r--source4/dsdb/wscript_build2
3 files changed, 154 insertions, 2 deletions
diff --git a/source4/dsdb/config.mk b/source4/dsdb/config.mk
index 1ab0cb2102..e12193d524 100644
--- a/source4/dsdb/config.mk
+++ b/source4/dsdb/config.mk
@@ -68,7 +68,8 @@ DREPL_SRV_OBJ_FILES = $(addprefix $(dsdbsrcdir)/repl/, \
drepl_out_pull.o \
drepl_out_helpers.o \
drepl_notify.o \
- drepl_ridalloc.o)
+ drepl_ridalloc.o \
+ drepl_fsmo.o)
$(eval $(call proto_header_template,$(dsdbsrcdir)/repl/drepl_service_proto.h,$(DREPL_SRV_OBJ_FILES:.o=.c)))
diff --git a/source4/dsdb/repl/drepl_fsmo.c b/source4/dsdb/repl/drepl_fsmo.c
new file mode 100644
index 0000000000..8719967d16
--- /dev/null
+++ b/source4/dsdb/repl/drepl_fsmo.c
@@ -0,0 +1,151 @@
+/*
+ Unix SMB/CIFS mplementation.
+
+ DSDB replication service - FSMO role change
+
+ Copyright (C) Nadezhda Ivanova 2010
+ Copyright (C) Andrew Tridgell 2010
+ Copyright (C) Andrew Bartlett 2010
+
+ based on drepl_ridalloc.c
+
+ 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
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+*/
+
+#include "includes.h"
+#include "dsdb/samdb/samdb.h"
+#include "smbd/service.h"
+#include "dsdb/repl/drepl_service.h"
+#include "param/param.h"
+#include "lib/messaging/irpc.h"
+#include "librpc/gen_ndr/ndr_irpc.h"
+
+static void drepl_role_callback(struct dreplsrv_service *service,
+ WERROR werr,
+ enum drsuapi_DsExtendedError ext_err)
+{
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(0,(__location__ ": Failed role transfer - %s - extended_ret[0x%X]\n",
+ win_errstr(werr), ext_err));
+ } else {
+ DEBUG(0,(__location__ ": Successful role transfer\n"));
+ }
+ talloc_free(service->ncchanges_extended.role_owner_source_dsa);
+ service->ncchanges_extended.role_owner_source_dsa = NULL;
+ service->ncchanges_extended.in_progress = false;
+}
+
+static bool fsmo_master_cmp(struct ldb_dn *ntds_dn, struct ldb_dn *fsmo_role_dn)
+{
+ if (ldb_dn_compare(ntds_dn, fsmo_role_dn) == 0) {
+ DEBUG(0,("\nWe are the FSMO master.\n"));
+ return true;
+ }
+ return false;
+}
+
+/*
+ see which role is we are asked to assume, initialize data and send request
+ */
+WERROR dreplsrv_fsmo_role_check(struct dreplsrv_service *service,
+ uint32_t role)
+{
+ struct ldb_dn *role_owner_dn, *fsmo_role_dn, *ntds_dn;
+ TALLOC_CTX *tmp_ctx = talloc_new(service);
+ struct ldb_context *ldb = service->samdb;
+ int ret;
+ uint64_t alloc_pool = 0;
+
+ if (service->ncchanges_extended.in_progress) {
+ talloc_free(tmp_ctx);
+ return WERR_OK;
+ }
+
+ ntds_dn = samdb_ntds_settings_dn(ldb);
+ if (!ntds_dn) {
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ /* work out who is the current owner */
+ switch (role) {
+ case DREPL_NAMING_MASTER:
+ role_owner_dn = samdb_partitions_dn(ldb, tmp_ctx),
+ ret = samdb_reference_dn(ldb, tmp_ctx, role_owner_dn, "fSMORoleOwner", &fsmo_role_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Naming Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_INFRASTRUCTURE_MASTER:
+ role_owner_dn = samdb_infrastructure_dn(ldb, tmp_ctx);
+ ret = samdb_reference_dn(ldb, tmp_ctx, role_owner_dn, "fSMORoleOwner", &fsmo_role_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_RID_MASTER:
+ ret = samdb_rid_manager_dn(ldb, tmp_ctx, &role_owner_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0, (__location__ ": Failed to find RID Manager object - %s", ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+
+ /* find the DN of the RID Manager */
+ ret = samdb_reference_dn(ldb, tmp_ctx, role_owner_dn, "fSMORoleOwner", &fsmo_role_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in RID Manager object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ case DREPL_SCHEMA_MASTER:
+ role_owner_dn = ldb_get_schema_basedn(ldb);
+ ret = samdb_reference_dn(ldb, tmp_ctx, role_owner_dn, "fSMORoleOwner", &fsmo_role_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Schema Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ if (!fsmo_master_cmp(ntds_dn, fsmo_role_dn)) {
+ return drepl_request_extended_op(service,
+ role_owner_dn,
+ fsmo_role_dn,
+ DRSUAPI_EXOP_FSMO_REQ_ROLE,
+ alloc_pool,
+ drepl_role_callback);
+ }
+ break;
+ case DREPL_PDC_MASTER:
+ role_owner_dn = ldb_get_default_basedn(ldb);
+ ret = samdb_reference_dn(ldb, tmp_ctx, role_owner_dn, "fSMORoleOwner", &fsmo_role_dn);
+ if (ret != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to find fSMORoleOwner in Pd Master object - %s",
+ ldb_errstring(ldb)));
+ talloc_free(tmp_ctx);
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ break;
+ default:
+ return WERR_DS_DRA_INTERNAL_ERROR;
+ }
+ return WERR_OK;
+}
diff --git a/source4/dsdb/wscript_build b/source4/dsdb/wscript_build
index d3961f52d5..426b12dc7f 100644
--- a/source4/dsdb/wscript_build
+++ b/source4/dsdb/wscript_build
@@ -25,7 +25,7 @@ bld.SAMBA_SUBSYSTEM('SAMDB_SCHEMA',
bld.SAMBA_MODULE('DREPL_SRV',
- source='repl/drepl_service.c repl/drepl_periodic.c repl/drepl_partitions.c repl/drepl_out_pull.c repl/drepl_out_helpers.c repl/drepl_notify.c repl/drepl_ridalloc.c',
+ source='repl/drepl_service.c repl/drepl_periodic.c repl/drepl_partitions.c repl/drepl_out_pull.c repl/drepl_out_helpers.c repl/drepl_notify.c repl/drepl_ridalloc.c repl/drepl_fsmo.c',
autoproto='repl/drepl_service_proto.h',
subsystem='service',
init_function='server_service_drepl_init',
generated by cgit (git 2.34.1) at 2024-11-30 16:17:41 +0000