2 Unix SMB/CIFS implementation.
4 run s3 file server within Samba4
6 Copyright (C) Andrew Tridgell 2011
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
25 #include "system/filesys.h"
26 #include "lib/param/param.h"
27 #include "source4/samba/service.h"
28 #include "source4/samba/process_model.h"
29 #include "dynconfig.h"
30 #include "nsswitch/winbind_client.h"
35 static void file_server_smbd_done(struct tevent_req *subreq)
37 struct task_server *task =
38 tevent_req_callback_data(subreq,
43 ret = samba_runcmd_recv(subreq, &sys_errno);
45 DEBUG(0,("file_server smbd daemon died with exit status %d\n", sys_errno));
47 DEBUG(0,("file_server smbd daemon exited normally\n"));
49 task_server_terminate(task, "smbd child process exited", true);
54 startup a copy of smbd as a child daemon
56 static NTSTATUS s3fs_task_init(struct task_server *task)
58 struct tevent_req *subreq;
59 const char *smbd_path;
60 const char *smbd_cmd[2] = { NULL, NULL };
62 task_server_set_title(task, "task[s3fs_parent]");
64 smbd_path = talloc_asprintf(task, "%s/smbd", dyn_SBINDIR);
65 if (smbd_path == NULL) {
66 return NT_STATUS_NO_MEMORY;
68 smbd_cmd[0] = smbd_path;
70 /* the child should be able to call through nss_winbind */
72 /* start it as a child process */
73 subreq = samba_runcmd_send(task, task->event_ctx, timeval_zero(), 1, 0,
76 "--option=server role check:inhibit=yes",
78 debug_get_output_is_stdout()?"--log-stdout":NULL,
80 /* the parent should not be able to call through nss_winbind */
82 DEBUG(0,("Failed to re-disable recursive winbindd calls after forking smbd\n"));
83 task_server_terminate(task, "Failed to re-disable recursive winbindd calls", true);
84 return NT_STATUS_UNSUCCESSFUL;
87 DEBUG(0, ("Failed to start smbd as child daemon\n"));
88 task_server_terminate(task, "Failed to startup s3fs smb task", true);
89 return NT_STATUS_UNSUCCESSFUL;
92 tevent_req_set_callback(subreq, file_server_smbd_done, task);
94 DEBUG(5,("Started file server child smbd\n"));
99 /* called at smbd startup - register ourselves as a server service */
100 NTSTATUS server_service_s3fs_init(TALLOC_CTX *);
102 NTSTATUS server_service_s3fs_init(TALLOC_CTX *ctx)
104 struct service_details details = {
105 .inhibit_fork_on_accept = true,
106 .inhibit_pre_fork = true,
107 .task_init = s3fs_task_init,
110 return register_server_service(ctx, "s3fs", &details);