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s4-dsdb: don't return the partition root objects

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When searching across partitions, we want to avoid sending duplicate
records caused by the record appearing both as a mount point and as a
partition root in a nested partition. This patch works by intercepting
objects from searches and checking if they match a partition root. If
they do, and the partition is not the one in the partition control
request, then discard the object.
This commit is contained in:
Andrew Tridgell 2009-09-28 12:28:59 +10:00
parent da3f5a4113
commit f279b57f19
1 changed files with 19 additions and 1 deletions
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20
source4/dsdb/samdb/ldb_modules/partition.c
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@ -186,9 +186,11 @@ static int partition_req_callback(struct ldb_request *req,
struct partition_context *ac;
struct ldb_module *module;
struct ldb_request *nreq;
int ret;
int ret, i;
struct partition_private_data *data;
ac = talloc_get_type(req->context, struct partition_context);
data = talloc_get_type(ac->module->private_data, struct partition_private_data);
if (!ares) {
return ldb_module_done(ac->req, NULL, NULL,
@ -213,6 +215,22 @@ static int partition_req_callback(struct ldb_request *req,
return ldb_module_done(ac->req, NULL, NULL,
LDB_ERR_OPERATIONS_ERROR);
}
for (i=0; data && data->partitions && data->partitions[i]; i++) {
if (ldb_dn_compare(ares->message->dn, data->partitions[i]->ctrl->dn) == 0) {
struct ldb_control *part_control;
/* this is a partition root message - make
sure it isn't one of our fake root
entries from a parent partition */
part_control = ldb_request_get_control(req, DSDB_CONTROL_CURRENT_PARTITION_OID);
if (part_control && part_control->data != data->partitions[i]->ctrl) {
DEBUG(6,(__location__ ": Discarding partition mount object %s\n",
ldb_dn_get_linearized(ares->message->dn)));
talloc_free(ares);
return LDB_SUCCESS;
}
}
}
return ldb_module_send_entry(ac->req, ares->message, ares->controls);
case LDB_REPLY_DONE: