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s4:objectclass LDB module - handle the case when there is a retry to add the root basedn

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This isn't quitted with a normal "NO_SUCH_OBJECT" (parent not found) but with a
very special referral: one with the DN itself and the hostname is the last
component value of the DN.
This commit is contained in:
Matthias Dieter Wallnöfer 2010-06-17 15:17:05 +02:00
parent 24930aa716
commit 9da8b06112
1 changed files with 26 additions and 0 deletions
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26
source4/dsdb/samdb/ldb_modules/objectclass.c
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@ -360,6 +360,8 @@ static int objectclass_add(struct ldb_module *module, struct ldb_request *req)
struct ldb_request *search_req;
struct oc_context *ac;
struct ldb_dn *parent_dn;
const struct ldb_val *val;
char *value;
int ret;
static const char * const parent_attrs[] = { "objectGUID", "objectClass", NULL };
@ -372,6 +374,30 @@ static int objectclass_add(struct ldb_module *module, struct ldb_request *req)
return ldb_next_request(module, req);
}
/* An add operation on the root basedn has a special handling when the
* relax control isn't specified. */
if (ldb_dn_compare(ldb_get_root_basedn(ldb), req->op.add.message->dn) == 0) {
if (ldb_request_get_control(req,
LDB_CONTROL_RELAX_OID) == NULL) {
/* When we are trying to readd the root basedn then
* this is denied, but with an interesting mechanism:
* there is generated a referral with the last
* component value as hostname. */
val = ldb_dn_get_component_val(req->op.add.message->dn,
ldb_dn_get_comp_num(req->op.add.message->dn) - 1);
if (val == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
value = talloc_asprintf(req, "ldap://%s/%s", val->data,
ldb_dn_get_linearized(req->op.add.message->dn));
if (value == NULL) {
return LDB_ERR_OPERATIONS_ERROR;
}
return ldb_module_send_referral(req, value);
}
}
/* the objectClass must be specified on add */
if (ldb_msg_find_element(req->op.add.message,
"objectClass") == NULL) {