Adding upstream version 2:4.17.12+dfsg.upstream/2%4.17.12+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 211 insertions, 0 deletions

diff --git a/source4/dsdb/repl/drepl_extended.c b/source4/dsdb/repl/drepl_extended.c
new file mode 100644
index 0000000..8b5bb6f
--- /dev/null
+++ b/source4/dsdb/repl/drepl_extended.c
@@ -0,0 +1,211 @@
+/*
+   Unix SMB/CIFS Implementation.
+
+   DSDB replication service - extended operation code
+
+   Copyright (C) Andrew Tridgell 2010
+   Copyright (C) Andrew Bartlett 2010
+   Copyright (C) Nadezhda Ivanova 2010
+
+   based on drepl_notify.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 "ldb_module.h"
+#include "dsdb/samdb/samdb.h"
+#include "samba/service.h"
+#include "dsdb/repl/drepl_service.h"
+#include "param/param.h"
+
+#undef DBGC_CLASS
+#define DBGC_CLASS            DBGC_DRS_REPL
+
+
+/*
+  create the role owner source dsa structure
+
+  nc_dn: the DN of the subtree being replicated
+  source_dsa_dn: the DN of the server that we are replicating from
+ */
+static WERROR drepl_create_extended_source_dsa(struct dreplsrv_service *service,
+					       TALLOC_CTX *mem_ctx,
+					       struct ldb_dn *nc_dn,
+					       struct ldb_dn *source_dsa_dn,
+					       uint64_t min_usn,
+					       struct dreplsrv_partition_source_dsa **_sdsa)
+{
+	struct dreplsrv_partition_source_dsa *sdsa;
+	struct ldb_context *ldb = service->samdb;
+	int ret;
+	WERROR werr;
+	struct ldb_dn *nc_root;
+	struct dreplsrv_partition *p;
+
+	sdsa = talloc_zero(service, struct dreplsrv_partition_source_dsa);
+	W_ERROR_HAVE_NO_MEMORY(sdsa);
+
+	sdsa->partition = talloc_zero(sdsa, struct dreplsrv_partition);
+	if (!sdsa->partition) {
+		talloc_free(sdsa);
+		return WERR_NOT_ENOUGH_MEMORY;
+	}
+
+	sdsa->partition->dn = ldb_dn_copy(sdsa->partition, nc_dn);
+	if (!sdsa->partition->dn) {
+		talloc_free(sdsa);
+		return WERR_NOT_ENOUGH_MEMORY;
+	}
+	sdsa->partition->nc.dn = ldb_dn_alloc_linearized(sdsa->partition, nc_dn);
+	if (!sdsa->partition->nc.dn) {
+		talloc_free(sdsa);
+		return WERR_NOT_ENOUGH_MEMORY;
+	}
+	ret = dsdb_find_guid_by_dn(ldb, nc_dn, &sdsa->partition->nc.guid);
+	if (ret != LDB_SUCCESS) {
+		DEBUG(0,(__location__ ": Failed to find GUID for %s\n",
+			 ldb_dn_get_linearized(nc_dn)));
+		talloc_free(sdsa);
+		return WERR_DS_DRA_INTERNAL_ERROR;
+	}
+
+	sdsa->repsFrom1 = &sdsa->_repsFromBlob.ctr.ctr1;
+	ret = dsdb_find_guid_by_dn(ldb, source_dsa_dn, &sdsa->repsFrom1->source_dsa_obj_guid);
+	if (ret != LDB_SUCCESS) {
+		DEBUG(0,(__location__ ": Failed to find objectGUID for %s\n",
+			 ldb_dn_get_linearized(source_dsa_dn)));
+		talloc_free(sdsa);
+		return WERR_DS_DRA_INTERNAL_ERROR;
+	}
+
+	sdsa->repsFrom1->other_info = talloc_zero(sdsa, struct repsFromTo1OtherInfo);
+	if (!sdsa->repsFrom1->other_info) {
+		talloc_free(sdsa);
+		return WERR_NOT_ENOUGH_MEMORY;
+	}
+
+	sdsa->repsFrom1->other_info->dns_name = samdb_ntds_msdcs_dns_name(ldb,
+									  sdsa->repsFrom1->other_info,
+									  &sdsa->repsFrom1->source_dsa_obj_guid);
+	if (!sdsa->repsFrom1->other_info->dns_name) {
+		talloc_free(sdsa);
+		return WERR_NOT_ENOUGH_MEMORY;
+	}
+
+	werr = dreplsrv_out_connection_attach(service, sdsa->repsFrom1, &sdsa->conn);
+	if (!W_ERROR_IS_OK(werr)) {
+		DEBUG(0,(__location__ ": Failed to attach connection to %s\n",
+			 ldb_dn_get_linearized(nc_dn)));
+		talloc_free(sdsa);
+		return werr;
+	}
+
+	ret = dsdb_find_nc_root(service->samdb, sdsa, nc_dn, &nc_root);
+	if (ret != LDB_SUCCESS) {
+		DEBUG(0,(__location__ ": Failed to find nc_root for %s\n",
+			 ldb_dn_get_linearized(nc_dn)));
+		talloc_free(sdsa);
+		return WERR_DS_DRA_INTERNAL_ERROR;
+	}
+
+	/* use the partition uptodateness vector */
+	ret = dsdb_load_udv_v2(service->samdb, nc_root, sdsa->partition,
+			       &sdsa->partition->uptodatevector.cursors,
+			       &sdsa->partition->uptodatevector.count);
+	if (ret != LDB_SUCCESS) {
+		DEBUG(0,(__location__ ": Failed to load UDV for %s\n",
+			 ldb_dn_get_linearized(nc_root)));
+		talloc_free(sdsa);
+		return WERR_DS_DRA_INTERNAL_ERROR;
+	}
+
+	/* find the highwatermark from the partitions list */
+	for (p=service->partitions; p; p=p->next) {
+		if (ldb_dn_compare(p->dn, nc_root) == 0) {
+			struct dreplsrv_partition_source_dsa *s;
+			werr = dreplsrv_partition_source_dsa_by_guid(p,
+								     &sdsa->repsFrom1->source_dsa_obj_guid,
+								     &s);
+			if (W_ERROR_IS_OK(werr)) {
+				sdsa->repsFrom1->highwatermark = s->repsFrom1->highwatermark;
+				sdsa->repsFrom1->replica_flags = s->repsFrom1->replica_flags;
+			}
+		}
+	}
+
+	if (!service->am_rodc) {
+		sdsa->repsFrom1->replica_flags |= DRSUAPI_DRS_WRIT_REP;
+	}
+
+	*_sdsa = sdsa;
+	return WERR_OK;
+}
+
+struct extended_op_data {
+	dreplsrv_extended_callback_t callback;
+	void *callback_data;
+	struct dreplsrv_partition_source_dsa *sdsa;
+};
+
+/*
+  called when an extended op finishes
+ */
+static void extended_op_callback(struct dreplsrv_service *service,
+				 WERROR err,
+				 enum drsuapi_DsExtendedError exop_error,
+				 void *cb_data)
+{
+	struct extended_op_data *data = talloc_get_type_abort(cb_data, struct extended_op_data);
+	talloc_unlink(data, data->sdsa);
+	data->callback(service, err, exop_error, data->callback_data);
+	talloc_free(data);
+}
+
+/*
+  schedule a getncchanges request to the role owner for an extended operation
+ */
+WERROR drepl_request_extended_op(struct dreplsrv_service *service,
+				 struct ldb_dn *nc_dn,
+				 struct ldb_dn *source_dsa_dn,
+				 enum drsuapi_DsExtendedOperation extended_op,
+				 uint64_t fsmo_info,
+				 uint64_t min_usn,
+				 dreplsrv_extended_callback_t callback,
+				 void *callback_data)
+{
+	WERROR werr;
+	struct extended_op_data *data;
+
+	data = talloc(service, struct extended_op_data);
+	W_ERROR_HAVE_NO_MEMORY(data);
+
+	werr = drepl_create_extended_source_dsa(service, data, nc_dn, source_dsa_dn, min_usn, &data->sdsa);
+	W_ERROR_NOT_OK_RETURN(werr);
+
+	data->callback = callback;
+	data->callback_data = callback_data;
+
+	werr = dreplsrv_schedule_partition_pull_source(service, data->sdsa,
+						       0, extended_op, fsmo_info,
+						       extended_op_callback, data);
+	if (!W_ERROR_IS_OK(werr)) {
+		talloc_free(data);
+	}
+
+	dreplsrv_run_pending_ops(service);
+
+	return werr;
+}