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samba-mirror/source4/nbt_server/nbt_server.c
Gary Lockyer b852ad044b source4/smbd: refactor the process model for prefork
Refactor the process model code to allow the addition of a prefork
    process model.

    - Add a process context to contain process model specific state
    - Add a service details structure to allow service to indicate which
      process model options they can support.

    In the new code the services advertise the features they support to the
    process model.  The process model context is plumbed through to allow the
    process model to keep track of the supported options, and any state
    the process model may require.

Signed-off-by: Gary Lockyer <gary@catalyst.net.nz>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
2017-10-19 05:33:09 +02:00

109 lines
3.0 KiB
C

/*
Unix SMB/CIFS implementation.
NBT server task
Copyright (C) Andrew Tridgell 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 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 "smbd/service_task.h"
#include "smbd/service.h"
#include "nbt_server/nbt_server.h"
#include "nbt_server/wins/winsserver.h"
#include "system/network.h"
#include "lib/socket/netif.h"
#include "auth/auth.h"
#include "dsdb/samdb/samdb.h"
#include "param/param.h"
NTSTATUS server_service_nbtd_init(TALLOC_CTX *);
/*
startup the nbtd task
*/
static void nbtd_task_init(struct task_server *task)
{
struct nbtd_server *nbtsrv;
NTSTATUS status;
struct interface *ifaces;
load_interface_list(task, task->lp_ctx, &ifaces);
if (iface_list_count(ifaces) == 0) {
task_server_terminate(task, "nbtd: no network interfaces configured", false);
return;
}
if (lpcfg_disable_netbios(task->lp_ctx)) {
task_server_terminate(task, "nbtd: 'disable netbios = yes' set in smb.conf, shutting down nbt server", false);
return;
}
task_server_set_title(task, "task[nbtd]");
nbtsrv = talloc(task, struct nbtd_server);
if (nbtsrv == NULL) {
task_server_terminate(task, "nbtd: out of memory", true);
return;
}
nbtsrv->task = task;
nbtsrv->interfaces = NULL;
nbtsrv->bcast_interface = NULL;
nbtsrv->wins_interface = NULL;
/* start listening on the configured network interfaces */
status = nbtd_startup_interfaces(nbtsrv, task->lp_ctx, ifaces);
if (!NT_STATUS_IS_OK(status)) {
task_server_terminate(task, "nbtd failed to setup interfaces", true);
return;
}
nbtsrv->sam_ctx = samdb_connect(nbtsrv, task->event_ctx, task->lp_ctx, system_session(task->lp_ctx), 0);
if (nbtsrv->sam_ctx == NULL) {
task_server_terminate(task, "nbtd failed to open samdb", true);
return;
}
/* start the WINS server, if appropriate */
status = nbtd_winsserver_init(nbtsrv);
if (!NT_STATUS_IS_OK(status)) {
task_server_terminate(task, "nbtd failed to start WINS server", true);
return;
}
nbtd_register_irpc(nbtsrv);
/* start the process of registering our names on all interfaces */
nbtd_register_names(nbtsrv);
irpc_add_name(task->msg_ctx, "nbt_server");
}
/*
register ourselves as a available server
*/
NTSTATUS server_service_nbtd_init(TALLOC_CTX *ctx)
{
struct service_details details = {
.inhibit_fork_on_accept = true,
.inhibit_pre_fork = true
};
return register_server_service(ctx, "nbt", nbtd_task_init, &details);
}