2 Unix SMB/CIFS mplementation.
3 DSDB replication service
5 Copyright (C) Stefan Metzmacher 2007
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
23 #include "dsdb/samdb/samdb.h"
24 #include "auth/auth.h"
25 #include "smbd/service.h"
26 #include "lib/events/events.h"
27 #include "lib/messaging/irpc.h"
28 #include "dsdb/repl/drepl_service.h"
29 #include "lib/ldb/include/ldb_errors.h"
30 #include "lib/util/dlinklist.h"
31 #include "librpc/gen_ndr/ndr_misc.h"
32 #include "librpc/gen_ndr/ndr_drsuapi.h"
33 #include "librpc/gen_ndr/ndr_drsblobs.h"
34 #include "param/param.h"
36 static WERROR dreplsrv_init_creds(struct dreplsrv_service *service)
40 status = auth_system_session_info(service, &service->system_session_info);
41 if (!NT_STATUS_IS_OK(status)) {
42 return ntstatus_to_werror(status);
48 static WERROR dreplsrv_connect_samdb(struct dreplsrv_service *service)
50 const struct GUID *ntds_guid;
51 struct drsuapi_DsBindInfo28 *bind_info28;
53 service->samdb = samdb_connect(service, service->system_session_info);
54 if (!service->samdb) {
55 return WERR_DS_SERVICE_UNAVAILABLE;
58 ntds_guid = samdb_ntds_objectGUID(service->samdb);
60 return WERR_DS_SERVICE_UNAVAILABLE;
63 service->ntds_guid = *ntds_guid;
65 bind_info28 = &service->bind_info28;
66 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_BASE;
67 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
68 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
69 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
70 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
71 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
72 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
73 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
74 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
76 if (s->domain_behavior_version == 2) {
77 /* TODO: find out how this is really triggered! */
78 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
81 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
82 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
83 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
84 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
85 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
86 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
87 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
88 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
89 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
90 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_00100000;
91 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
92 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
93 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
94 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
95 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
96 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
97 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
98 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
99 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
100 #if 0 /* we don't support XPRESS compression yet */
101 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_XPRESS_COMPRESS;
103 /* TODO: fill in site_guid */
104 bind_info28->site_guid = GUID_zero();
105 /* TODO: find out how this is really triggered! */
107 bind_info28->repl_epoch = 0;
113 startup the dsdb replicator service task
115 static void dreplsrv_task_init(struct task_server *task)
118 struct dreplsrv_service *service;
119 uint32_t periodic_startup_interval;
121 switch (lp_server_role(global_loadparm)) {
122 case ROLE_STANDALONE:
123 task_server_terminate(task, "dreplsrv: no DSDB replication required in standalone configuration");
125 case ROLE_DOMAIN_MEMBER:
126 task_server_terminate(task, "dreplsrv: no DSDB replication required in domain member configuration");
128 case ROLE_DOMAIN_CONTROLLER:
129 /* Yes, we want DSDB replication */
133 task_server_set_title(task, "task[dreplsrv]");
135 service = talloc_zero(task, struct dreplsrv_service);
137 task_server_terminate(task, "dreplsrv_task_init: out of memory");
140 service->task = task;
141 service->startup_time = timeval_current();
142 task->private = service;
144 status = dreplsrv_init_creds(service);
145 if (!W_ERROR_IS_OK(status)) {
146 task_server_terminate(task, talloc_asprintf(task,
147 "dreplsrv: Failed to obtain server credentials: %s\n",
148 win_errstr(status)));
152 status = dreplsrv_connect_samdb(service);
153 if (!W_ERROR_IS_OK(status)) {
154 task_server_terminate(task, talloc_asprintf(task,
155 "dreplsrv: Failed to connect to local samdb: %s\n",
156 win_errstr(status)));
160 status = dreplsrv_load_partitions(service);
161 if (!W_ERROR_IS_OK(status)) {
162 task_server_terminate(task, talloc_asprintf(task,
163 "dreplsrv: Failed to load partitions: %s\n",
164 win_errstr(status)));
168 periodic_startup_interval = lp_parm_int(NULL, "dreplsrv", "periodic_startup_interval", 15); /* in seconds */
169 service->periodic.interval = lp_parm_int(NULL, "dreplsrv", "periodic_interval", 300); /* in seconds */
171 status = dreplsrv_periodic_schedule(service, periodic_startup_interval);
172 if (!W_ERROR_IS_OK(status)) {
173 task_server_terminate(task, talloc_asprintf(task,
174 "dreplsrv: Failed to periodic schedule: %s\n",
175 win_errstr(status)));
179 irpc_add_name(task->msg_ctx, "dreplsrv");
183 initialise the dsdb replicator service
185 static NTSTATUS dreplsrv_init(struct event_context *event_ctx, const struct model_ops *model_ops)
187 return task_server_startup(event_ctx, model_ops, dreplsrv_task_init);
191 register ourselves as a available server
193 NTSTATUS server_service_drepl_init(void)
195 return register_server_service("drepl", dreplsrv_init);