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_refresh_partitions(struct dreplsrv_service *s);
38 WERROR dreplsrv_load_partitions(struct dreplsrv_service *s)
41 struct ldb_dn *basedn;
43 struct ldb_message_element *el;
44 static const char *attrs[] = { "namingContexts", NULL };
48 basedn = ldb_dn_new(s, s->samdb, NULL);
49 W_ERROR_HAVE_NO_MEMORY(basedn);
51 ret = ldb_search(s->samdb, basedn, LDB_SCOPE_BASE,
52 "(objectClass=*)", attrs, &r);
54 if (ret != LDB_SUCCESS) {
56 } else if (r->count != 1) {
62 el = ldb_msg_find_element(r->msgs[0], "namingContexts");
67 for (i=0; el && i < el->num_values; i++) {
68 const char *v = (const char *)el->values[i].data;
70 struct dreplsrv_partition *p;
72 pdn = ldb_dn_new(s, s->samdb, v);
73 if (!ldb_dn_validate(pdn)) {
77 p = talloc_zero(s, struct dreplsrv_partition);
78 W_ERROR_HAVE_NO_MEMORY(p);
80 p->dn = talloc_steal(p, pdn);
82 DLIST_ADD(s->partitions, p);
84 DEBUG(2, ("dreplsrv_partition[%s] loaded\n", v));
89 status = dreplsrv_refresh_partitions(s);
90 W_ERROR_NOT_OK_RETURN(status);
95 static WERROR dreplsrv_out_connection_attach(struct dreplsrv_service *s,
96 const struct repsFromTo1 *rft,
97 struct dreplsrv_out_connection **_conn)
99 struct dreplsrv_out_connection *cur, *conn = NULL;
100 const char *hostname;
102 if (!rft->other_info) {
106 if (!rft->other_info->dns_name) {
110 hostname = rft->other_info->dns_name;
112 for (cur = s->connections; cur; cur = cur->next) {
113 if (strcmp(cur->binding->host, hostname) == 0) {
123 conn = talloc_zero(s, struct dreplsrv_out_connection);
124 W_ERROR_HAVE_NO_MEMORY(conn);
128 binding_str = talloc_asprintf(conn, "ncacn_ip_tcp:%s[krb5,seal]",
130 W_ERROR_HAVE_NO_MEMORY(binding_str);
131 nt_status = dcerpc_parse_binding(conn, binding_str, &conn->binding);
132 talloc_free(binding_str);
133 if (!NT_STATUS_IS_OK(nt_status)) {
134 return ntstatus_to_werror(nt_status);
137 DLIST_ADD_END(s->connections, conn, struct dreplsrv_out_connection *);
139 DEBUG(2,("dreplsrv_out_connection_attach(%s): create\n", conn->binding->host));
141 DEBUG(2,("dreplsrv_out_connection_attach(%s): attach\n", conn->binding->host));
148 static WERROR dreplsrv_partition_add_source_dsa(struct dreplsrv_service *s,
149 struct dreplsrv_partition *p,
150 const struct ldb_val *val)
153 enum ndr_err_code ndr_err;
154 struct dreplsrv_partition_source_dsa *source;
156 source = talloc_zero(p, struct dreplsrv_partition_source_dsa);
157 W_ERROR_HAVE_NO_MEMORY(source);
159 ndr_err = ndr_pull_struct_blob(val, source,
160 lp_iconv_convenience(global_loadparm), &source->_repsFromBlob,
161 (ndr_pull_flags_fn_t)ndr_pull_repsFromToBlob);
162 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
163 NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
164 return ntstatus_to_werror(nt_status);
166 /* NDR_PRINT_DEBUG(repsFromToBlob, &source->_repsFromBlob); */
167 if (source->_repsFromBlob.version != 1) {
168 return WERR_DS_DRA_INTERNAL_ERROR;
171 source->partition = p;
172 source->repsFrom1 = &source->_repsFromBlob.ctr.ctr1;
174 status = dreplsrv_out_connection_attach(s, source->repsFrom1, &source->conn);
175 W_ERROR_NOT_OK_RETURN(status);
177 DLIST_ADD_END(p->sources, source, struct dreplsrv_partition_source_dsa *);
181 static WERROR dreplsrv_refresh_partition(struct dreplsrv_service *s,
182 struct dreplsrv_partition *p,
186 const struct ldb_val *ouv_value;
187 struct replUpToDateVectorBlob ouv;
188 struct dom_sid *nc_sid;
189 struct ldb_message_element *orf_el = NULL;
190 struct ldb_result *r;
193 static const char *attrs[] = {
196 "replUpToDateVector",
201 DEBUG(2, ("dreplsrv_refresh_partition(%s)\n",
202 ldb_dn_get_linearized(p->dn)));
204 ret = ldb_search(s->samdb, p->dn, LDB_SCOPE_BASE,
205 "(objectClass=*)", attrs, &r);
206 if (ret != LDB_SUCCESS) {
208 } else if (r->count != 1) {
212 talloc_steal(mem_ctx, r);
215 p->nc.dn = ldb_dn_alloc_linearized(p, p->dn);
216 W_ERROR_HAVE_NO_MEMORY(p->nc.dn);
217 p->nc.guid = samdb_result_guid(r->msgs[0], "objectGUID");
218 nc_sid = samdb_result_dom_sid(p, r->msgs[0], "objectSid");
223 ouv_value = ldb_msg_find_ldb_val(r->msgs[0], "replUpToDateVector");
225 enum ndr_err_code ndr_err;
226 ndr_err = ndr_pull_struct_blob(ouv_value, mem_ctx,
227 lp_iconv_convenience(global_loadparm), &ouv,
228 (ndr_pull_flags_fn_t)ndr_pull_replUpToDateVectorBlob);
229 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
230 NTSTATUS nt_status = ndr_map_error2ntstatus(ndr_err);
231 return ntstatus_to_werror(nt_status);
233 /* NDR_PRINT_DEBUG(replUpToDateVectorBlob, &ouv); */
234 if (ouv.version != 2) {
235 return WERR_DS_DRA_INTERNAL_ERROR;
238 p->uptodatevector.count = ouv.ctr.ctr2.count;
239 p->uptodatevector.reserved = ouv.ctr.ctr2.reserved;
240 p->uptodatevector.cursors = talloc_steal(p, ouv.ctr.ctr2.cursors);
244 * TODO: add our own uptodatevector cursor
248 orf_el = ldb_msg_find_element(r->msgs[0], "repsFrom");
250 for (i=0; i < orf_el->num_values; i++) {
251 status = dreplsrv_partition_add_source_dsa(s, p, &orf_el->values[i]);
252 W_ERROR_NOT_OK_RETURN(status);
261 static WERROR dreplsrv_refresh_partitions(struct dreplsrv_service *s)
264 struct dreplsrv_partition *p;
266 for (p = s->partitions; p; p = p->next) {
267 status = dreplsrv_refresh_partition(s, p, p);
268 W_ERROR_NOT_OK_RETURN(status);