Ejemplo n.º 1
0
static WERROR dsdb_syntax_NTTIME_ldb_to_drsuapi(struct ldb_context *ldb, 
						const struct dsdb_schema *schema,
						const struct dsdb_attribute *attr,
						const struct ldb_message_element *in,
						TALLOC_CTX *mem_ctx,
						struct drsuapi_DsReplicaAttribute *out)
{
	uint32_t i;
	DATA_BLOB *blobs;

	if (attr->attributeID_id == 0xFFFFFFFF) {
		return WERR_FOOBAR;
	}

	out->attid			= attr->attributeID_id;
	out->value_ctr.num_values	= in->num_values;
	out->value_ctr.values		= talloc_array(mem_ctx,
						       struct drsuapi_DsAttributeValue,
						       in->num_values);
	W_ERROR_HAVE_NO_MEMORY(out->value_ctr.values);

	blobs = talloc_array(mem_ctx, DATA_BLOB, in->num_values);
	W_ERROR_HAVE_NO_MEMORY(blobs);

	for (i=0; i < in->num_values; i++) {
		NTTIME v;
		time_t t;

		out->value_ctr.values[i].blob	= &blobs[i];

		blobs[i] = data_blob_talloc(blobs, NULL, 8);
		W_ERROR_HAVE_NO_MEMORY(blobs[i].data);

		t = ldb_string_to_time((const char *)in->values[i].data);
		unix_to_nt_time(&v, t);
		v /= 10000000;

		SBVAL(blobs[i].data, 0, v);
	}

	return WERR_OK;
}
Ejemplo n.º 2
0
/*
  return sequenceNumber from @BASEINFO
*/
static int ltdb_sequence_number(struct ltdb_context *ctx,
				struct ldb_extended **ext)
{
	struct ldb_context *ldb;
	struct ldb_module *module = ctx->module;
	struct ldb_request *req = ctx->req;
	TALLOC_CTX *tmp_ctx = NULL;
	struct ldb_seqnum_request *seq;
	struct ldb_seqnum_result *res;
	struct ldb_message *msg = NULL;
	struct ldb_dn *dn;
	const char *date;
	int ret = LDB_SUCCESS;

	ldb = ldb_module_get_ctx(module);

	seq = talloc_get_type(req->op.extended.data,
				struct ldb_seqnum_request);
	if (seq == NULL) {
		return LDB_ERR_OPERATIONS_ERROR;
	}

	ldb_request_set_state(req, LDB_ASYNC_PENDING);

	if (ltdb_lock_read(module) != 0) {
		return LDB_ERR_OPERATIONS_ERROR;
	}

	res = talloc_zero(req, struct ldb_seqnum_result);
	if (res == NULL) {
		ret = LDB_ERR_OPERATIONS_ERROR;
		goto done;
	}

	tmp_ctx = talloc_new(req);
	if (tmp_ctx == NULL) {
		ret = LDB_ERR_OPERATIONS_ERROR;
		goto done;
	}

	dn = ldb_dn_new(tmp_ctx, ldb, LTDB_BASEINFO);
	if (dn == NULL) {
		ret = LDB_ERR_OPERATIONS_ERROR;
		goto done;
	}

	msg = ldb_msg_new(tmp_ctx);
	if (msg == NULL) {
		ret = LDB_ERR_OPERATIONS_ERROR;
		goto done;
	}

	ret = ltdb_search_dn1(module, dn, msg);
	if (ret != LDB_SUCCESS) {
		goto done;
	}

	switch (seq->type) {
	case LDB_SEQ_HIGHEST_SEQ:
		res->seq_num = ldb_msg_find_attr_as_uint64(msg, LTDB_SEQUENCE_NUMBER, 0);
		break;
	case LDB_SEQ_NEXT:
		res->seq_num = ldb_msg_find_attr_as_uint64(msg, LTDB_SEQUENCE_NUMBER, 0);
		res->seq_num++;
		break;
	case LDB_SEQ_HIGHEST_TIMESTAMP:
		date = ldb_msg_find_attr_as_string(msg, LTDB_MOD_TIMESTAMP, NULL);
		if (date) {
			res->seq_num = ldb_string_to_time(date);
		} else {
			res->seq_num = 0;
			/* zero is as good as anything when we don't know */
		}
		break;
	}

	*ext = talloc_zero(req, struct ldb_extended);
	if (*ext == NULL) {
		ret = LDB_ERR_OPERATIONS_ERROR;
		goto done;
	}
	(*ext)->oid = LDB_EXTENDED_SEQUENCE_NUMBER;
	(*ext)->data = talloc_steal(*ext, res);

done:
	talloc_free(tmp_ctx);
	ltdb_unlock_read(module);
	return ret;
}
Ejemplo n.º 3
0
/*
  check to see if any deleted objects need scavenging
 */
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;
	}
	s->last_deleted_check = t;

	ret = dsdb_tombstone_lifetime(s->samdb, &tombstoneLifetime);
	if (ret != LDB_SUCCESS) {
		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;
		struct ldb_result *res;
		const char *attrs[] = { "whenChanged", NULL };
		unsigned int i;

		ret = dsdb_get_deleted_objects_dn(s->samdb, mem_ctx, part->dn, &do_dn);
		if (ret != LDB_SUCCESS) {
			/* some partitions have no Deleted Objects
			   container */
			continue;
		}

		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",
				 ldb_dn_get_linearized(do_dn)));
			talloc_free(do_dn);
			continue;
		}

		for (i=0; i<res->count; i++) {
			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);
			}
			if (t - whenChanged > tombstoneLifetime*60*60*24) {
				ret = dsdb_delete(s->samdb, res->msgs[i]->dn, DSDB_SEARCH_SHOW_DELETED);
				if (ret != LDB_SUCCESS) {
					DEBUG(1,(__location__ ": Failed to remove deleted object %s\n",
						 ldb_dn_get_linearized(res->msgs[i]->dn)));
				} else {
					DEBUG(4,("Removed deleted object %s\n",
						 ldb_dn_get_linearized(res->msgs[i]->dn)));
				}
			}
		}

		talloc_free(do_dn);
	}

	return NT_STATUS_OK;
}