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  • Committer: Chuck Short
  • Date: 2010-09-28 20:38:39 UTC
  • Revision ID: zulcss@ubuntu.com-20100928203839-pgjulytsi9ue63x1
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source4/dsdb/repl/drepl_service.c
 
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/* 
 
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   Unix SMB/CIFS mplementation.
 
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   DSDB replication service
 
4
   
 
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   Copyright (C) Stefan Metzmacher 2007
 
6
    
 
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   This program is free software; you can redistribute it and/or modify
 
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   it under the terms of the GNU General Public License as published by
 
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   the Free Software Foundation; either version 3 of the License, or
 
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   (at your option) any later version.
 
11
   
 
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   This program is distributed in the hope that it will be useful,
 
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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   GNU General Public License for more details.
 
16
   
 
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   You should have received a copy of the GNU General Public License
 
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
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*/
 
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#include "includes.h"
 
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#include "dsdb/samdb/samdb.h"
 
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#include "auth/auth.h"
 
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#include "smbd/service.h"
 
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#include "lib/events/events.h"
 
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#include "lib/messaging/irpc.h"
 
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#include "dsdb/repl/drepl_service.h"
 
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#include "lib/ldb/include/ldb_errors.h"
 
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#include "../lib/util/dlinklist.h"
 
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#include "librpc/gen_ndr/ndr_misc.h"
 
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#include "librpc/gen_ndr/ndr_drsuapi.h"
 
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#include "librpc/gen_ndr/ndr_drsblobs.h"
 
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#include "param/param.h"
 
35
 
 
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static WERROR dreplsrv_init_creds(struct dreplsrv_service *service)
 
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{
 
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        NTSTATUS status;
 
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        status = auth_system_session_info(service, service->task->lp_ctx, 
 
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                                          &service->system_session_info);
 
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        if (!NT_STATUS_IS_OK(status)) {
 
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                return ntstatus_to_werror(status);
 
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        }
 
45
 
 
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        return WERR_OK;
 
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}
 
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static WERROR dreplsrv_connect_samdb(struct dreplsrv_service *service, struct loadparm_context *lp_ctx)
 
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{
 
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        const struct GUID *ntds_guid;
 
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        struct drsuapi_DsBindInfo28 *bind_info28;
 
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        service->samdb = samdb_connect(service, service->task->event_ctx, lp_ctx, service->system_session_info);
 
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        if (!service->samdb) {
 
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                return WERR_DS_SERVICE_UNAVAILABLE;
 
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        }
 
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        ntds_guid = samdb_ntds_objectGUID(service->samdb);
 
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        if (!ntds_guid) {
 
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                return WERR_DS_SERVICE_UNAVAILABLE;
 
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        }
 
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        service->ntds_guid = *ntds_guid;
 
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        bind_info28                             = &service->bind_info28;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_BASE;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_ASYNC_REPLICATION;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_REMOVEAPI;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_MOVEREQ_V2;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_GETCHG_COMPRESS;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V1;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_RESTORE_USN_OPTIMIZATION;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_KCC_EXECUTE;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRY_V2;
 
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#if 0
 
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        if (s->domain_behavior_version == 2) {
 
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                /* TODO: find out how this is really triggered! */
 
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                bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_LINKED_VALUE_REPLICATION;
 
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        }
 
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#endif
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V2;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_INSTANCE_TYPE_NOT_REQ_ON_MOD;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_CRYPTO_BIND;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_GET_REPL_INFO;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_STRONG_ENCRYPTION;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_DCINFO_V01;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_TRANSITIVE_MEMBERSHIP;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_ADD_SID_HISTORY;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_POST_BETA3;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_00100000;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_GET_MEMBERSHIPS2;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V6;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_NONDOMAIN_NCS;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREQ_V8;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V5;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V6;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_ADDENTRYREPLY_V3;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_GETCHGREPLY_V7;
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_VERIFY_OBJECT;
 
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#if 0 /* we don't support XPRESS compression yet */
 
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        bind_info28->supported_extensions       |= DRSUAPI_SUPPORTED_EXTENSION_XPRESS_COMPRESS;
 
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#endif
 
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        /* TODO: fill in site_guid */
 
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        bind_info28->site_guid                  = GUID_zero();
 
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        /* TODO: find out how this is really triggered! */
 
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        bind_info28->pid                        = 0;
 
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        bind_info28->repl_epoch                 = 0;
 
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        return WERR_OK;
 
111
}
 
112
 
 
113
/*
 
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  startup the dsdb replicator service task
 
115
*/
 
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static void dreplsrv_task_init(struct task_server *task)
 
117
{
 
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        WERROR status;
 
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        struct dreplsrv_service *service;
 
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        uint32_t periodic_startup_interval;
 
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        switch (lp_server_role(task->lp_ctx)) {
 
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        case ROLE_STANDALONE:
 
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                task_server_terminate(task, "dreplsrv: no DSDB replication required in standalone configuration");
 
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                return;
 
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        case ROLE_DOMAIN_MEMBER:
 
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                task_server_terminate(task, "dreplsrv: no DSDB replication required in domain member configuration");
 
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                return;
 
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        case ROLE_DOMAIN_CONTROLLER:
 
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                /* Yes, we want DSDB replication */
 
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                break;
 
132
        }
 
133
 
 
134
        task_server_set_title(task, "task[dreplsrv]");
 
135
 
 
136
        service = talloc_zero(task, struct dreplsrv_service);
 
137
        if (!service) {
 
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                task_server_terminate(task, "dreplsrv_task_init: out of memory");
 
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                return;
 
140
        }
 
141
        service->task           = task;
 
142
        service->startup_time   = timeval_current();
 
143
        task->private_data      = service;
 
144
 
 
145
        status = dreplsrv_init_creds(service);
 
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        if (!W_ERROR_IS_OK(status)) {
 
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                task_server_terminate(task, talloc_asprintf(task,
 
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                                      "dreplsrv: Failed to obtain server credentials: %s\n",
 
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                                      win_errstr(status)));
 
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                return;
 
151
        }
 
152
 
 
153
        status = dreplsrv_connect_samdb(service, task->lp_ctx);
 
154
        if (!W_ERROR_IS_OK(status)) {
 
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                task_server_terminate(task, talloc_asprintf(task,
 
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                                      "dreplsrv: Failed to connect to local samdb: %s\n",
 
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                                      win_errstr(status)));
 
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                return;
 
159
        }
 
160
 
 
161
        status = dreplsrv_load_partitions(service);
 
162
        if (!W_ERROR_IS_OK(status)) {
 
163
                task_server_terminate(task, talloc_asprintf(task,
 
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                                      "dreplsrv: Failed to load partitions: %s\n",
 
165
                                      win_errstr(status)));
 
166
                return;
 
167
        }
 
168
 
 
169
        periodic_startup_interval       = lp_parm_int(task->lp_ctx, NULL, "dreplsrv", "periodic_startup_interval", 15); /* in seconds */
 
170
        service->periodic.interval      = lp_parm_int(task->lp_ctx, NULL, "dreplsrv", "periodic_interval", 300); /* in seconds */
 
171
 
 
172
        status = dreplsrv_periodic_schedule(service, periodic_startup_interval);
 
173
        if (!W_ERROR_IS_OK(status)) {
 
174
                task_server_terminate(task, talloc_asprintf(task,
 
175
                                      "dreplsrv: Failed to periodic schedule: %s\n",
 
176
                                      win_errstr(status)));
 
177
                return;
 
178
        }
 
179
 
 
180
        irpc_add_name(task->msg_ctx, "dreplsrv");
 
181
}
 
182
 
 
183
/*
 
184
  register ourselves as a available server
 
185
*/
 
186
NTSTATUS server_service_drepl_init(void)
 
187
{
 
188
        return register_server_service("drepl", dreplsrv_task_init);
 
189
}