source: branches/samba-3.5.x/source4/dsdb/repl/drepl_service.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 15 years ago

Samba 3.5.0: Initial import
File size: 8.2 KB
Line 
1/*
2 Unix SMB/CIFS mplementation.
3 DSDB replication service
4
5 Copyright (C) Stefan Metzmacher 2007
6
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.
11
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.
16
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/>.
19
20*/
21
22#include "includes.h"
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"
35
36static WERROR dreplsrv_init_creds(struct dreplsrv_service *service)
37{
38 NTSTATUS status;
39
40 status = auth_system_session_info(service, service->task->lp_ctx,
41 &service->system_session_info);
42 if (!NT_STATUS_IS_OK(status)) {
43 return ntstatus_to_werror(status);
44 }
45
46 return WERR_OK;
47}
48
49static WERROR dreplsrv_connect_samdb(struct dreplsrv_service *service, struct loadparm_context *lp_ctx)
50{
51 const struct GUID *ntds_guid;
52 struct drsuapi_DsBindInfo28 *bind_info28;
53
54 service->samdb = samdb_connect(service, service->task->event_ctx, lp_ctx, service->system_session_info);
55 if (!service->samdb) {
56 return WERR_DS_UNAVAILABLE;
57 }
58
59 ntds_guid = samdb_ntds_objectGUID(service->samdb);
60 if (!ntds_guid) {
61 return WERR_DS_UNAVAILABLE;
62 }
63
64 service->ntds_guid = *ntds_guid;
65
66 bind_info28 = &service->bind_info28;
67 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_BASE;
68 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
69 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
70 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
71 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
72 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
73 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
74 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
75 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
76 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
77 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
78 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
79 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
80 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
81 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
82 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
83 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
84 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
85 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
86 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_00100000;
87 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
88 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
89 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
90 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
91 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
92 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
93 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
94 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
95 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
96#if 0 /* we don't support XPRESS compression yet */
97 bind_info28->supported_extensions |= DRSUAPI_SUPPORTED_EXTENSION_XPRESS_COMPRESS;
98#endif
99 /* TODO: fill in site_guid */
100 bind_info28->site_guid = GUID_zero();
101 /* TODO: find out how this is really triggered! */
102 bind_info28->pid = 0;
103 bind_info28->repl_epoch = 0;
104
105 return WERR_OK;
106}
107
108/*
109 DsReplicaSync messages from the DRSUAPI server are forwarded here
110 */
111static NTSTATUS drepl_replica_sync(struct irpc_message *msg,
112 struct drsuapi_DsReplicaSync *r)
113{
114 struct dreplsrv_service *service = talloc_get_type(msg->private_data,
115 struct dreplsrv_service);
116 struct GUID *guid = &r->in.req.req1.naming_context->guid;
117
118 r->out.result = dreplsrv_schedule_partition_pull_by_guid(service, msg, guid);
119 if (W_ERROR_IS_OK(r->out.result)) {
120 DEBUG(3,("drepl_replica_sync: forcing sync of partition %s\n",
121 GUID_string(msg, guid)));
122 dreplsrv_run_pending_ops(service);
123 } else {
124 DEBUG(3,("drepl_replica_sync: failed setup of sync of partition %s - %s\n",
125 GUID_string(msg, guid), win_errstr(r->out.result)));
126 }
127 return NT_STATUS_OK;
128}
129
130/*
131 startup the dsdb replicator service task
132*/
133static void dreplsrv_task_init(struct task_server *task)
134{
135 WERROR status;
136 struct dreplsrv_service *service;
137 uint32_t periodic_startup_interval;
138
139 switch (lp_server_role(task->lp_ctx)) {
140 case ROLE_STANDALONE:
141 task_server_terminate(task, "dreplsrv: no DSDB replication required in standalone configuration",
142 false);
143 return;
144 case ROLE_DOMAIN_MEMBER:
145 task_server_terminate(task, "dreplsrv: no DSDB replication required in domain member configuration",
146 false);
147 return;
148 case ROLE_DOMAIN_CONTROLLER:
149 /* Yes, we want DSDB replication */
150 break;
151 }
152
153 task_server_set_title(task, "task[dreplsrv]");
154
155 service = talloc_zero(task, struct dreplsrv_service);
156 if (!service) {
157 task_server_terminate(task, "dreplsrv_task_init: out of memory", true);
158 return;
159 }
160 service->task = task;
161 service->startup_time = timeval_current();
162 task->private_data = service;
163
164 status = dreplsrv_init_creds(service);
165 if (!W_ERROR_IS_OK(status)) {
166 task_server_terminate(task, talloc_asprintf(task,
167 "dreplsrv: Failed to obtain server credentials: %s\n",
168 win_errstr(status)), true);
169 return;
170 }
171
172 status = dreplsrv_connect_samdb(service, task->lp_ctx);
173 if (!W_ERROR_IS_OK(status)) {
174 task_server_terminate(task, talloc_asprintf(task,
175 "dreplsrv: Failed to connect to local samdb: %s\n",
176 win_errstr(status)), true);
177 return;
178 }
179
180 status = dreplsrv_load_partitions(service);
181 if (!W_ERROR_IS_OK(status)) {
182 task_server_terminate(task, talloc_asprintf(task,
183 "dreplsrv: Failed to load partitions: %s\n",
184 win_errstr(status)), true);
185 return;
186 }
187
188 periodic_startup_interval = lp_parm_int(task->lp_ctx, NULL, "dreplsrv", "periodic_startup_interval", 15); /* in seconds */
189 service->periodic.interval = lp_parm_int(task->lp_ctx, NULL, "dreplsrv", "periodic_interval", 300); /* in seconds */
190
191 status = dreplsrv_periodic_schedule(service, periodic_startup_interval);
192 if (!W_ERROR_IS_OK(status)) {
193 task_server_terminate(task, talloc_asprintf(task,
194 "dreplsrv: Failed to periodic schedule: %s\n",
195 win_errstr(status)), true);
196 return;
197 }
198
199 service->notify.interval = lp_parm_int(task->lp_ctx, NULL, "dreplsrv",
200 "notify_interval", 5); /* in seconds */
201 status = dreplsrv_notify_schedule(service, service->notify.interval);
202 if (!W_ERROR_IS_OK(status)) {
203 task_server_terminate(task, talloc_asprintf(task,
204 "dreplsrv: Failed to setup notify schedule: %s\n",
205 win_errstr(status)), true);
206 return;
207 }
208
209 irpc_add_name(task->msg_ctx, "dreplsrv");
210
211 IRPC_REGISTER(task->msg_ctx, drsuapi, DRSUAPI_DSREPLICASYNC, drepl_replica_sync, service);
212}
213
214/*
215 register ourselves as a available server
216*/
217NTSTATUS server_service_drepl_init(void)
218{
219 return register_server_service("drepl", dreplsrv_task_init);
220}
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