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authorMatthieu Patou <mat@matws.net>2011-11-15 12:38:51 +0100
committerMatthieu Patou <mat@samba.org>2011-12-23 07:57:21 +0100
commit34d549de34a10129dfb1d3a2f788f15c8110d3d4 (patch)
tree7eb1245308a7bd6a4dd83b6f2885594bc7f199c7 /source4
parentea9fb5cad84595aca3544df521607616aec9041d (diff)
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s4-kcc: Remove also deleted objects that are not in the Deleted Object container
For the configuration container we do a full scan at every run of the kcc-delete service. For the base DN we introduce a new parameter that avoid the full scan to kick just when samba starts. Signed-off-by: Stefan Metzmacher <metze@samba.org>
Diffstat (limited to 'source4')
-rw-r--r--source4/dsdb/kcc/kcc_deleted.c38
-rw-r--r--source4/dsdb/kcc/kcc_service.h2
2 files changed, 38 insertions, 2 deletions
diff --git a/source4/dsdb/kcc/kcc_deleted.c b/source4/dsdb/kcc/kcc_deleted.c
index 5d2585d60b..0e1a42826c 100644
--- a/source4/dsdb/kcc/kcc_deleted.c
+++ b/source4/dsdb/kcc/kcc_deleted.c
@@ -44,8 +44,12 @@ NTSTATUS kccsrv_check_deleted(struct kccsrv_service *s, TALLOC_CTX *mem_ctx)
struct kccsrv_partition *part;
int ret;
uint32_t tombstoneLifetime;
+ bool do_fs = false;
+ time_t interval = lpcfg_parm_int(s->task->lp_ctx, NULL, "kccsrv",
+ "check_deleted_full_scan_interval", 86400);
time_t t = time(NULL);
+
if (t - s->last_deleted_check < lpcfg_parm_int(s->task->lp_ctx, NULL, "kccsrv",
"check_deleted_interval", 600)) {
return NT_STATUS_OK;
@@ -57,6 +61,22 @@ NTSTATUS kccsrv_check_deleted(struct kccsrv_service *s, TALLOC_CTX *mem_ctx)
DEBUG(1,(__location__ ": Failed to get tombstone lifetime\n"));
return NT_STATUS_INTERNAL_DB_CORRUPTION;
}
+ if (s->last_full_scan_deleted_check > 0 && ((t - s->last_full_scan_deleted_check) > interval )) {
+ do_fs = true;
+ s->last_full_scan_deleted_check = t;
+ }
+
+ if (s->last_full_scan_deleted_check == 0) {
+ /*
+ * If we never made a full scan set the last full scan event to be in the past
+ * and that 9/10 of the full scan interval has already passed.
+ * This is done to avoid the full scan to fire just at the begining of samba
+ * or a couple of minutes after the start.
+ * With this "setup" and default values of interval, the full scan will fire
+ * 2.4 hours after the start of samba
+ */
+ s->last_full_scan_deleted_check = t - ((9 * interval) / 10);
+ }
for (part=s->partitions; part; part=part->next) {
struct ldb_dn *do_dn;
@@ -70,8 +90,18 @@ NTSTATUS kccsrv_check_deleted(struct kccsrv_service *s, TALLOC_CTX *mem_ctx)
container */
continue;
}
- ret = dsdb_search(s->samdb, do_dn, &res, do_dn, LDB_SCOPE_ONELEVEL, attrs,
- DSDB_SEARCH_SHOW_RECYCLED, NULL);
+
+ if (!do_fs && ldb_dn_compare(ldb_get_config_basedn(s->samdb), part->dn)) {
+ ret = dsdb_search(s->samdb, do_dn, &res, do_dn, LDB_SCOPE_ONELEVEL, attrs,
+ DSDB_SEARCH_SHOW_RECYCLED, NULL);
+ } else {
+ if (do_fs) {
+ DEBUG(1, ("Doing a full scan on %s and looking for deleted object\n",
+ ldb_dn_get_linearized(part->dn)));
+ }
+ ret = dsdb_search(s->samdb, part->dn, &res, part->dn, LDB_SCOPE_SUBTREE, attrs,
+ DSDB_SEARCH_SHOW_RECYCLED, "(isDeleted=TRUE)");
+ }
if (ret != LDB_SUCCESS) {
DEBUG(1,(__location__ ": Failed to search for deleted objects in %s\n",
@@ -84,6 +114,10 @@ NTSTATUS kccsrv_check_deleted(struct kccsrv_service *s, TALLOC_CTX *mem_ctx)
const char *tstring;
time_t whenChanged = 0;
+ if (ldb_dn_compare(do_dn, res->msgs[i]->dn) == 0) {
+ /* Skip the Deleted Object Container */
+ continue;
+ }
tstring = ldb_msg_find_attr_as_string(res->msgs[i], "whenChanged", NULL);
if (tstring) {
whenChanged = ldb_string_to_time(tstring);
diff --git a/source4/dsdb/kcc/kcc_service.h b/source4/dsdb/kcc/kcc_service.h
index 1e6d35eb78..b3ba226e72 100644
--- a/source4/dsdb/kcc/kcc_service.h
+++ b/source4/dsdb/kcc/kcc_service.h
@@ -88,6 +88,8 @@ struct kccsrv_service {
time_t last_deleted_check;
+ time_t last_full_scan_deleted_check;
+
bool am_rodc;
/* run new samba_kcc topology generator code */