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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 #ifndef _DSDB_REPL_DREPL_SERVICE_H_
23 #define _DSDB_REPL_DREPL_SERVICE_H_
24
25 #include "librpc/gen_ndr/ndr_drsuapi_c.h"
26
27 struct dreplsrv_service;
28 struct dreplsrv_partition;
29
30 struct dreplsrv_drsuapi_connection {
31 /*
32 * this pipe pointer is also the indicator
33 * for a valid connection
34 */
35 struct dcerpc_pipe *pipe;
36
37 DATA_BLOB gensec_skey;
38 struct drsuapi_DsBindInfo28 remote_info28;
39 struct policy_handle bind_handle;
40 };
41
42 struct dreplsrv_out_connection {
43 struct dreplsrv_out_connection *prev, *next;
44
45 struct dreplsrv_service *service;
46
47 /*
48 * the binding for the outgoing connection
49 */
50 struct dcerpc_binding *binding;
51
52 /* the out going connection to the source dsa */
53 struct dreplsrv_drsuapi_connection *drsuapi;
54 };
55
56 struct dreplsrv_partition_source_dsa {
57 struct dreplsrv_partition_source_dsa *prev, *next;
58
59 struct dreplsrv_partition *partition;
60
61 /*
62 * the cached repsFrom value for this source dsa
63 *
64 * it needs to be updated after each DsGetNCChanges() call
65 * to the source dsa
66 *
67 * repsFrom1 == &_repsFromBlob.ctr.ctr1
68 */
69 struct repsFromToBlob _repsFromBlob;
70 struct repsFromTo1 *repsFrom1;
71
72 /* the reference to the source_dsa and its outgoing connection */
73 struct dreplsrv_out_connection *conn;
74 };
75
76 struct dreplsrv_partition {
77 struct dreplsrv_partition *prev, *next;
78
79 struct dreplsrv_service *service;
80
81 /* the dn of the partition */
82 struct ldb_dn *dn;
83 struct drsuapi_DsReplicaObjectIdentifier nc;
84
85 /*
86 * uptodate vector needs to be updated before and after each DsGetNCChanges() call
87 *
88 * - before: we need to use our own invocationId together with our highestCommitedUsn
89 * - after: we need to merge in the remote uptodatevector, to avoid reading it again
90 */
91 struct replUpToDateVectorCtr2 uptodatevector;
92 struct drsuapi_DsReplicaCursorCtrEx uptodatevector_ex;
93
94 /*
95 * a linked list of all source dsa's we replicate from
96 */
97 struct dreplsrv_partition_source_dsa *sources;
98 };
99
100 struct dreplsrv_out_operation {
101 struct dreplsrv_out_operation *prev, *next;
102
103 struct dreplsrv_service *service;
104
105 struct dreplsrv_partition_source_dsa *source_dsa;
106
107 struct composite_context *creq;
108 };
109
110 struct dreplsrv_service {
111 /* the whole drepl service is in one task */
112 struct task_server *task;
113
114 /* the time the service was started */
115 struct timeval startup_time;
116
117 /*
118 * system session info
119 * with machine account credentials
120 */
121 struct auth_session_info *system_session_info;
122
123 /*
124 * a connection to the local samdb
125 */
126 struct ldb_context *samdb;
127
128 /* the guid of our NTDS Settings object, which never changes! */
129 struct GUID ntds_guid;
130 /*
131 * the struct holds the values used for outgoing DsBind() calls,
132 * so that we need to set them up only once
133 */
134 struct drsuapi_DsBindInfo28 bind_info28;
135
136 /* some stuff for periodic processing */
137 struct {
138 /*
139 * the interval between to periodic runs
140 */
141 uint32_t interval;
142
143 /*
144 * the timestamp for the next event,
145 * this is the timstamp passed to event_add_timed()
146 */
147 struct timeval next_event;
148
149 /* here we have a reference to the timed event the schedules the periodic stuff */
150 struct tevent_timer *te;
151 } periodic;
152
153 /*
154 * the list of partitions we need to replicate
155 */
156 struct dreplsrv_partition *partitions;
157
158 /*
159 * the list of cached connections
160 */
161 struct dreplsrv_out_connection *connections;
162
163 struct {
164 /* the pointer to the current active operation */
165 struct dreplsrv_out_operation *current;
166
167 /* the list of pending operations */
168 struct dreplsrv_out_operation *pending;
169 } ops;
170 };
171
172 #include "dsdb/repl/drepl_out_helpers.h"
173 #include "dsdb/repl/drepl_service_proto.h"
174
175 #endif /* _DSDB_REPL_DREPL_SERVICE_H_ */