s4-kcc: remove search_onelevel_with_deleted() in kcc
[ira/wip.git] / source4 / dsdb / kcc / kcc_deleted.c
1 /*
2    Unix SMB/CIFS implementation.
3
4    handle removal of deleted objects
5
6    Copyright (C) 2009 Andrew Tridgell
7
8    This program is free software; you can redistribute it and/or modify
9    it under the terms of the GNU General Public License as published by
10    the Free Software Foundation; either version 3 of the License, or
11    (at your option) any later version.
12
13    This program is distributed in the hope that it will be useful,
14    but WITHOUT ANY WARRANTY; without even the implied warranty of
15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16    GNU General Public License for more details.
17
18    You should have received a copy of the GNU General Public License
19    along with this program.  If not, see <http://www.gnu.org/licenses/>.
20
21 */
22
23 #include "includes.h"
24 #include "lib/events/events.h"
25 #include "dsdb/samdb/samdb.h"
26 #include "auth/auth.h"
27 #include "smbd/service.h"
28 #include "lib/messaging/irpc.h"
29 #include "dsdb/kcc/kcc_connection.h"
30 #include "dsdb/kcc/kcc_service.h"
31 #include "lib/ldb/include/ldb_errors.h"
32 #include "../lib/util/dlinklist.h"
33 #include "librpc/gen_ndr/ndr_misc.h"
34 #include "librpc/gen_ndr/ndr_drsuapi.h"
35 #include "librpc/gen_ndr/ndr_drsblobs.h"
36 #include "param/param.h"
37 #include "dsdb/common/util.h"
38
39 /*
40   check to see if any deleted objects need scavenging
41  */
42 NTSTATUS kccsrv_check_deleted(struct kccsrv_service *s, TALLOC_CTX *mem_ctx)
43 {
44         struct kccsrv_partition *part;
45         int ret;
46         uint32_t tombstoneLifetime;
47
48         time_t t = time(NULL);
49         if (t - s->last_deleted_check < lp_parm_int(s->task->lp_ctx, NULL, "kccsrv",
50                                                     "check_deleted_interval", 600)) {
51                 return NT_STATUS_OK;
52         }
53         s->last_deleted_check = t;
54
55         ret = dsdb_tombstone_lifetime(s->samdb, &tombstoneLifetime);
56         if (ret != LDB_SUCCESS) {
57                 DEBUG(1,(__location__ ": Failed to get tombstone lifetime\n"));
58                 return NT_STATUS_INTERNAL_DB_CORRUPTION;
59         }
60
61         for (part=s->partitions; part; part=part->next) {
62                 struct ldb_dn *do_dn;
63                 struct ldb_result *res;
64                 const char *attrs[] = { "whenChanged", NULL };
65                 int i;
66
67                 ret = dsdb_get_deleted_objects_dn(s->samdb, mem_ctx, part->dn, &do_dn);
68                 if (ret != LDB_SUCCESS) {
69                         /* some partitions have no Deleted Objects
70                            container */
71                         continue;
72                 }
73                 ret = dsdb_search(s->samdb, do_dn, &res, do_dn, LDB_SCOPE_ONELEVEL, attrs,
74                                   DSDB_SEARCH_SHOW_DELETED, NULL);
75
76                 if (ret != LDB_SUCCESS) {
77                         DEBUG(1,(__location__ ": Failed to search for deleted objects in %s\n",
78                                  ldb_dn_get_linearized(do_dn)));
79                         talloc_free(do_dn);
80                         continue;
81                 }
82
83                 for (i=0; i<res->count; i++) {
84                         const char *tstring;
85                         time_t whenChanged = 0;
86
87                         tstring = samdb_result_string(res->msgs[i], "whenChanged", NULL);
88                         if (tstring) {
89                                 whenChanged = ldb_string_to_time(tstring);
90                         }
91                         if (t - whenChanged > tombstoneLifetime*60*60*24) {
92                                 ret = ldb_delete(s->samdb, res->msgs[i]->dn);
93                                 if (ret != LDB_SUCCESS) {
94                                         DEBUG(1,(__location__ ": Failed to remove deleted object %s\n",
95                                                  ldb_dn_get_linearized(res->msgs[i]->dn)));
96                                 } else {
97                                         DEBUG(4,("Removed deleted object %s\n",
98                                                  ldb_dn_get_linearized(res->msgs[i]->dn)));
99                                 }
100                         }
101                 }
102
103                 talloc_free(do_dn);
104         }
105
106         return NT_STATUS_OK;
107 }