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/*
Unix SMB/CIFS implementation.
smbd-specific dcerpc server code
Copyright (C) Andrew Tridgell 2003-2005
Copyright (C) Stefan (metze) Metzmacher 2004-2005
Copyright (C) Jelmer Vernooij <jelmer@samba.org> 2004,2007
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 3 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, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "librpc/gen_ndr/ndr_dcerpc.h"
#include "auth/auth.h"
#include "../lib/util/dlinklist.h"
#include "rpc_server/dcerpc_server.h"
#include "rpc_server/dcerpc_server_proto.h"
#include "system/filesys.h"
#include "lib/messaging/irpc.h"
#include "system/network.h"
#include "lib/socket/netif.h"
#include "param/param.h"
#include "../lib/tsocket/tsocket.h"
#include "librpc/rpc/dcerpc_proto.h"
#include "../lib/util/tevent_ntstatus.h"
#include "libcli/raw/smb.h"
#include "../libcli/named_pipe_auth/npa_tstream.h"
#include "smbd/process_model.h"
NTSTATUS server_service_rpc_init(TALLOC_CTX *);
/*
open the dcerpc server sockets
*/
static void dcesrv_task_init(struct task_server *task)
{
NTSTATUS status;
struct dcesrv_context *dce_ctx;
struct dcesrv_endpoint *e;
const struct model_ops *single_model_ops;
dcerpc_server_init(task->lp_ctx);
task_server_set_title(task, "task[dcesrv]");
/*
* run the rpc server as a single process to allow for shard
* handles, and sharing of ldb contexts.
*
* We make an exception for NETLOGON below, and this follows
* whatever the top level is.
*/
single_model_ops = process_model_startup("single");
if (!single_model_ops) goto failed;
status = dcesrv_init_context(task->event_ctx,
task->lp_ctx,
lpcfg_dcerpc_endpoint_servers(task->lp_ctx),
&dce_ctx);
if (!NT_STATUS_IS_OK(status)) goto failed;
/* Make sure the directory for NCALRPC exists */
if (!directory_exist(lpcfg_ncalrpc_dir(task->lp_ctx))) {
mkdir(lpcfg_ncalrpc_dir(task->lp_ctx), 0755);
}
for (e=dce_ctx->endpoint_list;e;e=e->next) {
const struct model_ops *this_model_ops = single_model_ops;
enum dcerpc_transport_t transport =
dcerpc_binding_get_transport(e->ep_description);
const char *transport_str
= derpc_transport_string_by_transport(transport);
struct dcesrv_if_list *iface_list;
/*
* Ensure that -Msingle sets e->use_single_process for
* consistency
*/
if (task->model_ops == single_model_ops) {
e->use_single_process = true;
}
if (transport == NCACN_HTTP) {
/*
* We don't support ncacn_http yet
*/
continue;
/*
* For the next two cases, what we are trying
* to do is put the NETLOGON server into the
* standard process model, not single, as it
* has no shared handles and takes a very high
* load. We only do this for ncacn_np and
* ncacn_ip_tcp as otherwise it is too hard as
* all servers share a socket for ncalrpc and
* unix.
*/
} else if (e->use_single_process == false) {
this_model_ops = task->model_ops;
}
status = dcesrv_add_ep(dce_ctx, task->lp_ctx, e, task->event_ctx,
this_model_ops, task->process_context);
if (!NT_STATUS_IS_OK(status)) {
goto failed;
}
DEBUG(5,("Added endpoint on %s "
"using process model %s for",
transport_str,
this_model_ops->name));
for (iface_list = e->interface_list;
iface_list != NULL;
iface_list = iface_list->next) {
DEBUGADD(5, (" %s", iface_list->iface.name));
}
DEBUGADD(5, ("\n"));
}
irpc_add_name(task->msg_ctx, "rpc_server");
return;
failed:
task_server_terminate(task, "Failed to startup dcerpc server task", true);
}
NTSTATUS server_service_rpc_init(TALLOC_CTX *ctx)
{
struct service_details details = {
/*
* This is a SNOWFLAKE, but sadly one that we
* will have to keep for now. The RPC server
* code above overstamps the SINGLE process model
* most of the time, but we need to be in forking
* mode by defult to get a forking NETLOGON server
*/
.inhibit_fork_on_accept = false,
.inhibit_pre_fork = true
};
return register_server_service(ctx, "rpc", dcesrv_task_init, &details);
}
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