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winbindd_irpc: Add an IRPC call to trigger a DC locate

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Calling the top level winbindd API would probably be more appropriate,
but we lack certain structures. We introduce this call in order to
return the result to NETLOGON (in order to give site-aware and domain
aware DC location).

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13365

Signed-off-by: Garming Sam <garming@catalyst.net.nz>
Reviewed-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
This commit is contained in:
Garming Sam 2018-03-21 11:25:19 +13:00 committed by Garming Sam
parent 972659eb29
commit 7d23177cea
1 changed files with 68 additions and 0 deletions
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68
source3/winbindd/winbindd_irpc.c
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@ -29,6 +29,8 @@
#include "librpc/gen_ndr/ndr_lsa_c.h"
#include "libcli/security/dom_sid.h"
#include "passdb/lookup_sid.h" /* only for LOOKUP_NAME_NO_NSS flag */
#include "librpc/gen_ndr/ndr_irpc.h"
#include "librpc/gen_ndr/ndr_netlogon.h"
struct wb_irpc_forward_state {
struct irpc_message *msg;
@ -726,6 +728,66 @@ static void wb_irpc_lsa_LookupNames4_domains_done(struct tevent_req *subreq)
return;
}
struct wb_irpc_GetDCName_state {
struct irpc_message *msg;
struct wbint_DsGetDcName *req;
};
static void wb_irpc_GetDCName_done(struct tevent_req *subreq);
static NTSTATUS wb_irpc_GetDCName(struct irpc_message *msg,
struct wbint_DsGetDcName *req)
{
struct tevent_req *subreq = NULL;
struct wb_irpc_GetDCName_state *state = NULL;
state = talloc_zero(msg, struct wb_irpc_GetDCName_state);
if (state == NULL) {
return NT_STATUS_NO_MEMORY;
}
state->msg = msg;
state->req = req;
subreq = wb_dsgetdcname_send(msg,
server_event_context(),
req->in.domain_name,
req->in.domain_guid,
req->in.site_name,
req->in.flags);
if (subreq == NULL) {
return NT_STATUS_NO_MEMORY;
}
tevent_req_set_callback(subreq,
wb_irpc_GetDCName_done,
state);
msg->defer_reply = true;
return NT_STATUS_OK;
}
static void wb_irpc_GetDCName_done(struct tevent_req *subreq)
{
struct wb_irpc_GetDCName_state *state = tevent_req_callback_data(
subreq, struct wb_irpc_GetDCName_state);
NTSTATUS status;
status = wb_dsgetdcname_recv(subreq, state->msg,
state->req->out.dc_info);
TALLOC_FREE(subreq);
if (!NT_STATUS_IS_OK(status)) {
DBG_INFO("RPC callback failed for %s - %s\n", "DSGETDCNAME",
nt_errstr(status));
}
state->req->out.result = status;
irpc_send_reply(state->msg, NT_STATUS_OK);
}
NTSTATUS wb_irpc_register(void)
{
NTSTATUS status;
@ -769,6 +831,12 @@ NTSTATUS wb_irpc_register(void)
if (!NT_STATUS_IS_OK(status)) {
return status;
}
status = IRPC_REGISTER(winbind_imessaging_context(),
winbind, WBINT_DSGETDCNAME,
wb_irpc_GetDCName, NULL);
if (!NT_STATUS_IS_OK(status)) {
return status;
}
return NT_STATUS_OK;
}