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/*
Unix SMB/CIFS implementation.
Command backend for wbinfo --getdcname
Copyright (C) Volker Lendecke 2005
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "includes.h"
#include "libcli/composite/composite.h"
#include "winbind/wb_server.h"
#include "smbd/service_stream.h"
#include "smbd/service_task.h"
#include "librpc/gen_ndr/ndr_netlogon.h"
static void composite_netr_GetAnyDCName_recv_rpc(struct rpc_request *req);
static struct composite_context *composite_netr_GetAnyDCName_send(struct dcerpc_pipe *p,
TALLOC_CTX *mem_ctx,
struct netr_GetAnyDCName *r)
{
struct composite_context *result;
struct rpc_request *req;
result = talloc(mem_ctx, struct composite_context);
if (result == NULL) goto failed;
result->state = COMPOSITE_STATE_IN_PROGRESS;
result->async.fn = NULL;
result->event_ctx = p->conn->event_ctx;
req = dcerpc_netr_GetAnyDCName_send(p, mem_ctx, r);
if (req == NULL) goto failed;
req->async.callback = composite_netr_GetAnyDCName_recv_rpc;
req->async.private = result;
return result;
failed:
talloc_free(result);
return NULL;
}
static void composite_netr_GetAnyDCName_recv_rpc(struct rpc_request *req)
{
struct composite_context *ctx =
talloc_get_type(req->async.private, struct composite_context);
ctx->status = dcerpc_ndr_request_recv(req);
if (!composite_is_ok(ctx)) return;
composite_done(ctx);
}
static NTSTATUS composite_netr_GetAnyDCName_recv(struct composite_context *ctx)
{
NTSTATUS status = composite_wait(ctx);
talloc_free(ctx);
return status;
}
struct cmd_getdcname_state {
struct composite_context *ctx;
const char *domain_name;
struct netr_GetAnyDCName g;
};
static struct composite_context *getdcname_send_req(struct wbsrv_domain *domain,
void *p);
static NTSTATUS getdcname_recv_req(struct composite_context *ctx, void *p);
struct composite_context *wb_cmd_getdcname_send(struct wbsrv_service *service,
struct wbsrv_domain *domain,
const char *domain_name)
{
struct cmd_getdcname_state *state;
state = talloc(NULL, struct cmd_getdcname_state);
state->domain_name = talloc_strdup(state, domain_name);
state->ctx = wb_domain_request_send(state, service,
service->primary_sid,
getdcname_send_req,
getdcname_recv_req,
state);
if (state->ctx == NULL) {
talloc_free(state);
return NULL;
}
state->ctx->private_data = state;
return state->ctx;
}
static struct composite_context *getdcname_send_req(struct wbsrv_domain *domain, void *p)
{
struct cmd_getdcname_state *state =
talloc_get_type(p, struct cmd_getdcname_state);
state->g.in.logon_server = talloc_asprintf(
state, "\\\\%s",
dcerpc_server_name(domain->netlogon_pipe));
state->g.in.domainname = state->domain_name;
return composite_netr_GetAnyDCName_send(domain->netlogon_pipe,
state, &state->g);
}
static NTSTATUS getdcname_recv_req(struct composite_context *ctx, void *p)
{
struct cmd_getdcname_state *state =
talloc_get_type(p, struct cmd_getdcname_state);
NTSTATUS status;
status = composite_netr_GetAnyDCName_recv(ctx);
NT_STATUS_NOT_OK_RETURN(status);
if (!W_ERROR_IS_OK(state->g.out.result)) {
return werror_to_ntstatus(state->g.out.result);
}
return NT_STATUS_OK;
}
NTSTATUS wb_cmd_getdcname_recv(struct composite_context *c,
TALLOC_CTX *mem_ctx,
const char **dcname)
{
struct cmd_getdcname_state *state =
talloc_get_type(c->private_data, struct cmd_getdcname_state);
NTSTATUS status = composite_wait(c);
if (NT_STATUS_IS_OK(status)) {
const char *p = state->g.out.dcname;
if (*p == '\\') p += 1;
if (*p == '\\') p += 1;
*dcname = talloc_strdup(mem_ctx, p);
if (*dcname == NULL) {
status = NT_STATUS_NO_MEMORY;
}
}
talloc_free(state);
return status;
}
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