-/*
+/*
Unix SMB/CIFS mplementation.
DSDB replication service
-
+
Copyright (C) Stefan Metzmacher 2007
-
+ Copyright (C) Kamen Mazdrashki <kamenim@samba.org> 2010
+
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 "auth/auth.h"
#include "smbd/service.h"
#include "lib/events/events.h"
-#include "lib/messaging/irpc.h"
#include "dsdb/repl/drepl_service.h"
-#include "lib/ldb/include/ldb_errors.h"
+#include <ldb_errors.h>
#include "../lib/util/dlinklist.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
+#include "librpc/gen_ndr/ndr_irpc.h"
#include "param/param.h"
+#include "libds/common/roles.h"
+
+/**
+ * Call-back data for _drepl_replica_sync_done_cb()
+ */
+struct drepl_replica_sync_cb_data {
+ struct irpc_message *msg;
+ struct drsuapi_DsReplicaSync *r;
+
+ /* number of ops left to be completed */
+ int ops_count;
+
+ /* last failure error code */
+ WERROR werr_last_failure;
+};
+
static WERROR dreplsrv_init_creds(struct dreplsrv_service *service)
{
service->system_session_info = system_session(service->task->lp_ctx);
if (service->system_session_info == NULL) {
- return WERR_NOMEM;
+ return WERR_NOT_ENOUGH_MEMORY;
}
return WERR_OK;
const struct GUID *ntds_guid;
struct drsuapi_DsBindInfo28 *bind_info28;
- service->samdb = samdb_connect(service, service->task->event_ctx, lp_ctx, service->system_session_info);
+ service->samdb = samdb_connect(service, service->task->event_ctx, lp_ctx, service->system_session_info, 0);
if (!service->samdb) {
return WERR_DS_UNAVAILABLE;
}
if (!ntds_guid) {
return WERR_DS_UNAVAILABLE;
}
-
service->ntds_guid = *ntds_guid;
+ if (samdb_rodc(service->samdb, &service->am_rodc) != LDB_SUCCESS) {
+ DEBUG(0,(__location__ ": Failed to determine RODC status\n"));
+ return WERR_DS_UNAVAILABLE;
+ }
+
bind_info28 = &service->bind_info28;
bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_BASE;
bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
return WERR_OK;
}
+
+/**
+ * Callback for dreplsrv_out_operation operation completion.
+ *
+ * We just need to complete a waiting IRPC message here.
+ * In case pull operation has failed,
+ * caller of this callback will dump
+ * failure information.
+ *
+ * NOTE: cb_data is allocated in IRPC msg's context
+ * and will be freed during irpc_send_reply() call.
+ */
+static void _drepl_replica_sync_done_cb(struct dreplsrv_service *service,
+ WERROR werr,
+ enum drsuapi_DsExtendedError ext_err,
+ void *cb_data)
+{
+ struct drepl_replica_sync_cb_data *data = talloc_get_type(cb_data,
+ struct drepl_replica_sync_cb_data);
+ struct irpc_message *msg = data->msg;
+ struct drsuapi_DsReplicaSync *r = data->r;
+
+ /* store last bad result */
+ if (!W_ERROR_IS_OK(werr)) {
+ data->werr_last_failure = werr;
+ }
+
+ /* decrement pending ops count */
+ data->ops_count--;
+
+ if (data->ops_count == 0) {
+ /* Return result to client */
+ r->out.result = data->werr_last_failure;
+
+ /* complete IRPC message */
+ irpc_send_reply(msg, NT_STATUS_OK);
+ }
+}
+
+/**
+ * Helper to schedule a replication operation with a source DSA.
+ * If 'data' is valid pointer, then a callback
+ * for the operation is passed and 'data->msg' is
+ * marked as 'deferred' - defer_reply = true
+ */
+static WERROR _drepl_schedule_replication(struct dreplsrv_service *service,
+ struct dreplsrv_partition_source_dsa *dsa,
+ struct drsuapi_DsReplicaObjectIdentifier *nc,
+ uint32_t rep_options,
+ struct drepl_replica_sync_cb_data *data,
+ TALLOC_CTX *mem_ctx)
+{
+ WERROR werr;
+ dreplsrv_extended_callback_t fn_callback = NULL;
+
+ if (data) {
+ fn_callback = _drepl_replica_sync_done_cb;
+ }
+
+ /* schedule replication item */
+ werr = dreplsrv_schedule_partition_pull_source(service, dsa, rep_options,
+ DRSUAPI_EXOP_NONE, 0,
+ fn_callback, data);
+ if (!W_ERROR_IS_OK(werr)) {
+ DEBUG(0,("%s: failed setup of sync of partition (%s, %s, %s) - %s\n",
+ __FUNCTION__,
+ GUID_string(mem_ctx, &nc->guid),
+ nc->dn,
+ dsa->repsFrom1->other_info->dns_name,
+ win_errstr(werr)));
+ return werr;
+ }
+ /* log we've scheduled a replication item */
+ DEBUG(3,("%s: forcing sync of partition (%s, %s, %s)\n",
+ __FUNCTION__,
+ GUID_string(mem_ctx, &nc->guid),
+ nc->dn,
+ dsa->repsFrom1->other_info->dns_name));
+
+ /* mark IRPC message as deferred if necessary */
+ if (data) {
+ data->ops_count++;
+ data->msg->defer_reply = true;
+ }
+
+ return WERR_OK;
+}
+
/*
DsReplicaSync messages from the DRSUAPI server are forwarded here
*/
-static NTSTATUS drepl_replica_sync(struct irpc_message *msg,
+static NTSTATUS drepl_replica_sync(struct irpc_message *msg,
struct drsuapi_DsReplicaSync *r)
{
+ WERROR werr;
+ struct dreplsrv_partition *p;
+ struct drepl_replica_sync_cb_data *cb_data;
+ struct dreplsrv_partition_source_dsa *dsa;
+ struct drsuapi_DsReplicaSyncRequest1 *req1;
+ struct drsuapi_DsReplicaObjectIdentifier *nc;
struct dreplsrv_service *service = talloc_get_type(msg->private_data,
struct dreplsrv_service);
- struct drsuapi_DsReplicaObjectIdentifier *nc = r->in.req->req1.naming_context;
-
- r->out.result = dreplsrv_schedule_partition_pull_by_nc(service, msg, nc);
- if (W_ERROR_IS_OK(r->out.result)) {
- DEBUG(3,("drepl_replica_sync: forcing sync of partition (%s, %s)\n",
- GUID_string(msg, &nc->guid),
- nc->dn));
- dreplsrv_run_pending_ops(service);
+
+#define REPLICA_SYNC_FAIL(_msg, _werr) do {\
+ if (!W_ERROR_IS_OK(_werr)) { \
+ DEBUG(0,(__location__ ": Failure - %s. werr = %s\n", \
+ _msg, win_errstr(_werr))); \
+ NDR_PRINT_IN_DEBUG(drsuapi_DsReplicaSync, r); \
+ } \
+ r->out.result = _werr; \
+ goto done;\
+ } while(0)
+
+
+ if (r->in.level != 1) {
+ REPLICA_SYNC_FAIL("Unsupported level",
+ WERR_DS_DRA_INVALID_PARAMETER);
+ }
+
+ req1 = &r->in.req->req1;
+ nc = req1->naming_context;
+
+ /* Check input parameters */
+ if (!nc) {
+ REPLICA_SYNC_FAIL("Invalid Naming Context",
+ WERR_DS_DRA_INVALID_PARAMETER);
+ }
+
+ /* Find Naming context to be synchronized */
+ werr = dreplsrv_partition_find_for_nc(service,
+ &nc->guid, &nc->sid, nc->dn,
+ &p);
+ if (!W_ERROR_IS_OK(werr)) {
+ REPLICA_SYNC_FAIL("Failed to find requested Naming Context",
+ werr);
+ }
+
+ /* should we process it asynchronously? */
+ if (req1->options & DRSUAPI_DRS_ASYNC_OP) {
+ cb_data = NULL;
} else {
- DEBUG(3,("drepl_replica_sync: failed setup of sync of partition (%s, %s) - %s\n",
- GUID_string(msg, &nc->guid),
- nc->dn,
- win_errstr(r->out.result)));
+ cb_data = talloc_zero(msg, struct drepl_replica_sync_cb_data);
+ if (!cb_data) {
+ REPLICA_SYNC_FAIL("Not enough memory",
+ WERR_DS_DRA_INTERNAL_ERROR);
+ }
+
+ cb_data->msg = msg;
+ cb_data->r = r;
+ cb_data->werr_last_failure = WERR_OK;
+ }
+
+ /* collect source DSAs to sync with */
+ if (req1->options & DRSUAPI_DRS_SYNC_ALL) {
+ for (dsa = p->sources; dsa; dsa = dsa->next) {
+ /* schedule replication item */
+ werr = _drepl_schedule_replication(service, dsa, nc,
+ req1->options, cb_data, msg);
+ if (!W_ERROR_IS_OK(werr)) {
+ REPLICA_SYNC_FAIL("_drepl_schedule_replication() failed",
+ werr);
+ }
+ }
+ } else {
+ if (req1->options & DRSUAPI_DRS_SYNC_BYNAME) {
+ /* client should pass at least valid string */
+ if (!req1->source_dsa_dns) {
+ REPLICA_SYNC_FAIL("'source_dsa_dns' is not valid",
+ WERR_DS_DRA_INVALID_PARAMETER);
+ }
+
+ werr = dreplsrv_partition_source_dsa_by_dns(p,
+ req1->source_dsa_dns,
+ &dsa);
+ } else {
+ /* client should pass at least some GUID */
+ if (GUID_all_zero(&req1->source_dsa_guid)) {
+ REPLICA_SYNC_FAIL("'source_dsa_guid' is not valid",
+ WERR_DS_DRA_INVALID_PARAMETER);
+ }
+
+ werr = dreplsrv_partition_source_dsa_by_guid(p,
+ &req1->source_dsa_guid,
+ &dsa);
+ if (W_ERROR_EQUAL(werr, WERR_DS_DRA_NO_REPLICA)) {
+ /* we don't have this source setup as
+ a replication partner. Create a
+ temporary dsa structure for this
+ replication */
+ werr = dreplsrv_partition_source_dsa_temporary(p,
+ msg,
+ &req1->source_dsa_guid,
+ &dsa);
+ }
+ }
+ if (!W_ERROR_IS_OK(werr)) {
+ REPLICA_SYNC_FAIL("Failed to locate source DSA for given NC",
+ werr);
+ }
+
+ /* schedule replication item */
+ werr = _drepl_schedule_replication(service, dsa, nc,
+ req1->options, cb_data, msg);
+ if (!W_ERROR_IS_OK(werr)) {
+ REPLICA_SYNC_FAIL("_drepl_schedule_replication() failed",
+ werr);
+ }
}
+
+ /* if we got here, everything is OK */
+ r->out.result = WERR_OK;
+
+ /*
+ * schedule replication event to force
+ * replication as soon as possible
+ */
+ dreplsrv_pendingops_schedule(service, 0);
+
+done:
return NT_STATUS_OK;
}
+/**
+ * Called when drplsrv should refresh its state.
+ * For example, when KCC change topology, dreplsrv
+ * should update its cache
+ *
+ * @param partition_dn If not empty/NULL, partition to update
+ */
+static NTSTATUS dreplsrv_refresh(struct irpc_message *msg,
+ struct dreplsrv_refresh *r)
+{
+ struct dreplsrv_service *s = talloc_get_type(msg->private_data,
+ struct dreplsrv_service);
+
+ r->out.result = dreplsrv_refresh_partitions(s);
+
+ return NT_STATUS_OK;
+}
+
+/**
+ * Called when the auth code wants us to try and replicate
+ * a users secrets
+ */
+static NTSTATUS drepl_trigger_repl_secret(struct irpc_message *msg,
+ struct drepl_trigger_repl_secret *r)
+{
+ struct dreplsrv_service *service = talloc_get_type(msg->private_data,
+ struct dreplsrv_service);
+
+
+ drepl_repl_secret(service, r->in.user_dn);
+
+ /* we are not going to be sending a reply to this request */
+ msg->no_reply = true;
+
+ return NT_STATUS_OK;
+}
+
+
+/*
+ DsReplicaAdd messages from the DRSUAPI server are forwarded here
+ */
+static NTSTATUS dreplsrv_replica_add(struct irpc_message *msg,
+ struct drsuapi_DsReplicaAdd *r)
+{
+ struct dreplsrv_service *service = talloc_get_type(msg->private_data,
+ struct dreplsrv_service);
+ return drepl_replica_add(service, r);
+}
+
+/*
+ DsReplicaDel messages from the DRSUAPI server are forwarded here
+ */
+static NTSTATUS dreplsrv_replica_del(struct irpc_message *msg,
+ struct drsuapi_DsReplicaDel *r)
+{
+ struct dreplsrv_service *service = talloc_get_type(msg->private_data,
+ struct dreplsrv_service);
+ return drepl_replica_del(service, r);
+}
+
+/*
+ DsReplicaMod messages from the DRSUAPI server are forwarded here
+ */
+static NTSTATUS dreplsrv_replica_mod(struct irpc_message *msg,
+ struct drsuapi_DsReplicaMod *r)
+{
+ struct dreplsrv_service *service = talloc_get_type(msg->private_data,
+ struct dreplsrv_service);
+ return drepl_replica_mod(service, r);
+}
+
+
/*
startup the dsdb replicator service task
*/
WERROR status;
struct dreplsrv_service *service;
uint32_t periodic_startup_interval;
- bool am_rodc;
- int ret;
switch (lpcfg_server_role(task->lp_ctx)) {
case ROLE_STANDALONE:
- task_server_terminate(task, "dreplsrv: no DSDB replication required in standalone configuration",
+ task_server_terminate(task, "dreplsrv: no DSDB replication required in standalone configuration",
false);
return;
case ROLE_DOMAIN_MEMBER:
- task_server_terminate(task, "dreplsrv: no DSDB replication required in domain member configuration",
+ task_server_terminate(task, "dreplsrv: no DSDB replication required in domain member configuration",
false);
return;
- case ROLE_DOMAIN_CONTROLLER:
+ case ROLE_ACTIVE_DIRECTORY_DC:
/* Yes, we want DSDB replication */
break;
}
}
/* if we are a RODC then we do not send DSReplicaSync*/
- ret = samdb_rodc(service->samdb, &am_rodc);
- if (ret == LDB_SUCCESS && !am_rodc) {
+ if (!service->am_rodc) {
service->notify.interval = lpcfg_parm_int(task->lp_ctx, NULL, "dreplsrv",
"notify_interval", 5); /* in seconds */
status = dreplsrv_notify_schedule(service, service->notify.interval);
irpc_add_name(task->msg_ctx, "dreplsrv");
+ IRPC_REGISTER(task->msg_ctx, irpc, DREPLSRV_REFRESH, dreplsrv_refresh, service);
IRPC_REGISTER(task->msg_ctx, drsuapi, DRSUAPI_DSREPLICASYNC, drepl_replica_sync, service);
- messaging_register(task->msg_ctx, service, MSG_DREPL_ALLOCATE_RID, dreplsrv_allocate_rid);
+ IRPC_REGISTER(task->msg_ctx, drsuapi, DRSUAPI_DSREPLICAADD, dreplsrv_replica_add, service);
+ IRPC_REGISTER(task->msg_ctx, drsuapi, DRSUAPI_DSREPLICADEL, dreplsrv_replica_del, service);
+ IRPC_REGISTER(task->msg_ctx, drsuapi, DRSUAPI_DSREPLICAMOD, dreplsrv_replica_mod, service);
+ IRPC_REGISTER(task->msg_ctx, irpc, DREPL_TAKEFSMOROLE, drepl_take_FSMO_role, service);
+ IRPC_REGISTER(task->msg_ctx, irpc, DREPL_TRIGGER_REPL_SECRET, drepl_trigger_repl_secret, service);
+ imessaging_register(task->msg_ctx, service, MSG_DREPL_ALLOCATE_RID, dreplsrv_allocate_rid);
}
/*
git.samba.org / nivanova / samba-autobuild / .git / blobdiff