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https://github.com/samba-team/samba.git
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23d681caf9
needed to change prefork behaviour based on what service is being
started.
Andrew Bartlett and David Disseldorp
(This used to be commit 0d830580e3)
112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
/*
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Unix SMB/CIFS implementation.
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helper functions for task based servers (nbtd, winbind etc)
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Copyright (C) Andrew Tridgell 2005
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "includes.h"
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#include "process_model.h"
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#include "lib/events/events.h"
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#include "smbd/service.h"
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#include "smbd/service_task.h"
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#include "lib/messaging/irpc.h"
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#include "param/param.h"
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/*
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terminate a task service
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*/
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void task_server_terminate(struct task_server *task, const char *reason)
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{
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struct event_context *event_ctx = task->event_ctx;
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const struct model_ops *model_ops = task->model_ops;
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DEBUG(0,("task_server_terminate: [%s]\n", reason));
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model_ops->terminate(event_ctx, reason);
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/* don't free this above, it might contain the 'reason' being printed */
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talloc_free(task);
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}
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/* used for the callback from the process model code */
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struct task_state {
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void (*task_init)(struct task_server *);
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const struct model_ops *model_ops;
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};
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/*
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called by the process model code when the new task starts up. This then calls
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the server specific startup code
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*/
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static void task_server_callback(struct event_context *event_ctx,
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struct loadparm_context *lp_ctx,
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struct server_id server_id, void *private)
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{
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struct task_state *state = talloc_get_type(private, struct task_state);
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struct task_server *task;
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task = talloc(event_ctx, struct task_server);
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if (task == NULL) return;
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task->event_ctx = event_ctx;
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task->model_ops = state->model_ops;
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task->server_id = server_id;
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task->lp_ctx = lp_ctx;
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task->msg_ctx = messaging_init(task,
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lp_messaging_path(task, task->lp_ctx),
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task->server_id,
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lp_iconv_convenience(task->lp_ctx),
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task->event_ctx);
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if (!task->msg_ctx) {
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task_server_terminate(task, "messaging_init() failed");
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return;
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}
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state->task_init(task);
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}
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/*
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startup a task based server
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*/
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NTSTATUS task_server_startup(struct event_context *event_ctx,
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struct loadparm_context *lp_ctx,
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const char *service_name,
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const struct model_ops *model_ops,
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void (*task_init)(struct task_server *))
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{
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struct task_state *state;
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state = talloc(event_ctx, struct task_state);
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NT_STATUS_HAVE_NO_MEMORY(state);
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state->task_init = task_init;
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state->model_ops = model_ops;
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model_ops->new_task(event_ctx, lp_ctx, service_name, task_server_callback, state);
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return NT_STATUS_OK;
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}
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/*
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setup a task title
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*/
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void task_server_set_title(struct task_server *task, const char *title)
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{
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task->model_ops->set_title(task->event_ctx, title);
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}
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