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520252c8d2
the repl_secret code needs to set it to avoid too many duplicate attributes Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
138 lines
4.0 KiB
C
138 lines
4.0 KiB
C
/*
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Unix SMB/CIFS mplementation.
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DSDB replication service - repl secret handling
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Copyright (C) Andrew Tridgell 2010
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Copyright (C) Andrew Bartlett 2010
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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.
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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.
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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 "ldb_module.h"
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#include "dsdb/samdb/samdb.h"
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#include "smbd/service.h"
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#include "dsdb/repl/drepl_service.h"
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#include "param/param.h"
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struct repl_secret_state {
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const char *user_dn;
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};
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/*
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called when a repl secret has completed
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*/
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static void drepl_repl_secret_callback(struct dreplsrv_service *service,
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WERROR werr,
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enum drsuapi_DsExtendedError ext_err,
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void *cb_data)
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{
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struct repl_secret_state *state = talloc_get_type_abort(cb_data, struct repl_secret_state);
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if (!W_ERROR_IS_OK(werr)) {
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DEBUG(3,(__location__ ": repl secret failed for user %s - %s: extended_ret[0x%X]\n",
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state->user_dn, win_errstr(werr), ext_err));
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} else {
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DEBUG(3,(__location__ ": repl secret completed OK for '%s'\n", state->user_dn));
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}
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talloc_free(state);
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}
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/**
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* Called when the auth code wants us to try and replicate
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* a users secrets
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*/
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void drepl_repl_secret(struct dreplsrv_service *service,
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const char *user_dn)
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{
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WERROR werr;
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struct ldb_dn *nc_dn, *nc_root, *source_dsa_dn;
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struct dreplsrv_partition *p;
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struct GUID *source_dsa_guid;
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struct repl_secret_state *state;
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int ret;
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state = talloc_zero(service, struct repl_secret_state);
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if (state == NULL) {
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/* nothing to do, no return value */
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return;
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}
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/* keep a copy for logging in the callback */
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state->user_dn = talloc_strdup(state, user_dn);
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nc_dn = ldb_dn_new(state, service->samdb, user_dn);
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if (!ldb_dn_validate(nc_dn)) {
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DEBUG(0,(__location__ ": Failed to parse user_dn '%s'\n", user_dn));
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talloc_free(state);
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return;
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}
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/* work out which partition this is in */
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ret = dsdb_find_nc_root(service->samdb, state, nc_dn, &nc_root);
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if (ret != LDB_SUCCESS) {
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DEBUG(0,(__location__ ": Failed to find nc_root for user_dn '%s'\n", user_dn));
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talloc_free(state);
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return;
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}
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/* find the partition in our list */
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for (p=service->partitions; p; p=p->next) {
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if (ldb_dn_compare(p->dn, nc_root) == 0) {
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break;
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}
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}
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if (p == NULL) {
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DEBUG(0,(__location__ ": Failed to find partition for nc_root '%s'\n", ldb_dn_get_linearized(nc_root)));
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talloc_free(state);
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return;
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}
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if (p->sources == NULL) {
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DEBUG(0,(__location__ ": No sources for nc_root '%s' for user_dn '%s'\n",
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ldb_dn_get_linearized(nc_root), user_dn));
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talloc_free(state);
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return;
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}
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/* use the first source, for no particularly good reason */
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source_dsa_guid = &p->sources->repsFrom1->source_dsa_obj_guid;
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source_dsa_dn = ldb_dn_new(state, service->samdb,
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talloc_asprintf(state, "<GUID=%s>",
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GUID_string(state, source_dsa_guid)));
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if (!ldb_dn_validate(source_dsa_dn)) {
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DEBUG(0,(__location__ ": Invalid source DSA GUID '%s' for user_dn '%s'\n",
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GUID_string(state, source_dsa_guid), user_dn));
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talloc_free(state);
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return;
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}
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werr = drepl_request_extended_op(service,
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nc_dn,
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source_dsa_dn,
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DRSUAPI_EXOP_REPL_SECRET,
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0,
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p->sources->repsFrom1->highwatermark.highest_usn,
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drepl_repl_secret_callback, state);
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if (!W_ERROR_IS_OK(werr)) {
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DEBUG(2,(__location__ ": Failed to setup secret replication for user_dn '%s'\n", user_dn));
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talloc_free(state);
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return;
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}
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DEBUG(3,(__location__ ": started secret replication for %s\n", user_dn));
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}
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