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https://github.com/samba-team/samba.git
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a2c425858b
this adds the DSDB_SEARCH_SHOW_DELETED flag, which fixes deletion of deleted objects Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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handle removal of deleted objects
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Copyright (C) 2009 Andrew Tridgell
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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 "lib/events/events.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/messaging/irpc.h"
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#include "dsdb/kcc/kcc_connection.h"
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#include "dsdb/kcc/kcc_service.h"
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#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"
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#include "dsdb/common/util.h"
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/*
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check to see if any deleted objects need scavenging
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*/
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NTSTATUS kccsrv_check_deleted(struct kccsrv_service *s, TALLOC_CTX *mem_ctx)
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{
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struct kccsrv_partition *part;
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int ret;
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uint32_t tombstoneLifetime;
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time_t t = time(NULL);
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if (t - s->last_deleted_check < lpcfg_parm_int(s->task->lp_ctx, NULL, "kccsrv",
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"check_deleted_interval", 600)) {
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return NT_STATUS_OK;
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}
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s->last_deleted_check = t;
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ret = dsdb_tombstone_lifetime(s->samdb, &tombstoneLifetime);
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if (ret != LDB_SUCCESS) {
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DEBUG(1,(__location__ ": Failed to get tombstone lifetime\n"));
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return NT_STATUS_INTERNAL_DB_CORRUPTION;
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}
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for (part=s->partitions; part; part=part->next) {
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struct ldb_dn *do_dn;
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struct ldb_result *res;
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const char *attrs[] = { "whenChanged", NULL };
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unsigned int i;
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ret = dsdb_get_deleted_objects_dn(s->samdb, mem_ctx, part->dn, &do_dn);
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if (ret != LDB_SUCCESS) {
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/* some partitions have no Deleted Objects
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container */
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continue;
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}
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ret = dsdb_search(s->samdb, do_dn, &res, do_dn, LDB_SCOPE_ONELEVEL, attrs,
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DSDB_SEARCH_SHOW_RECYCLED, NULL);
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if (ret != LDB_SUCCESS) {
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DEBUG(1,(__location__ ": Failed to search for deleted objects in %s\n",
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ldb_dn_get_linearized(do_dn)));
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talloc_free(do_dn);
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continue;
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}
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for (i=0; i<res->count; i++) {
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const char *tstring;
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time_t whenChanged = 0;
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tstring = ldb_msg_find_attr_as_string(res->msgs[i], "whenChanged", NULL);
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if (tstring) {
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whenChanged = ldb_string_to_time(tstring);
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}
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if (t - whenChanged > tombstoneLifetime*60*60*24) {
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ret = dsdb_delete(s->samdb, res->msgs[i]->dn, DSDB_SEARCH_SHOW_DELETED);
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if (ret != LDB_SUCCESS) {
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DEBUG(1,(__location__ ": Failed to remove deleted object %s\n",
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ldb_dn_get_linearized(res->msgs[i]->dn)));
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} else {
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DEBUG(4,("Removed deleted object %s\n",
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ldb_dn_get_linearized(res->msgs[i]->dn)));
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}
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}
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}
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talloc_free(do_dn);
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}
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return NT_STATUS_OK;
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}
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