summaryrefslogtreecommitdiffstats
path: root/file_server/file_server.c
blob: b6f73824f6c7763b4d484536981abcfdb6f0bf3d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
/*
   Unix SMB/CIFS implementation.

   run s3 file server within Samba4

   Copyright (C) Andrew Tridgell	2011

   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 "talloc.h"
#include "tevent.h"
#include "system/filesys.h"
#include "lib/param/param.h"
#include "source4/smbd/service.h"
#include "source4/smbd/process_model.h"
#include "file_server/file_server.h"
#include "dynconfig.h"

/*
  generate a smbd config file for the file server
 */
static const char *generate_smb_conf(struct task_server *task)
{
	int fd;
	struct loadparm_context *lp_ctx = task->lp_ctx;
	const char *path = smbd_tmp_path(task, lp_ctx, "fileserver.conf");

	if (path == NULL) {
		return NULL;
	}

	fd = open(path, O_WRONLY|O_CREAT|O_TRUNC, 0644);
	if (fd == -1) {
		DEBUG(0,("Failed to create %s", path));
		return NULL;
	}

	fdprintf(fd, "[globals]\n");
	fdprintf(fd, "# auto-generated config for fileserver\n");
	fdprintf(fd, "server role check:inhibit=yes\n");
	fdprintf(fd, "passdb backend = samba4\n");
        fdprintf(fd, "rpc_server:default = external\n");
	fdprintf(fd, "rpc_server:svcctl = embedded\n");
	fdprintf(fd, "rpc_server:srvsvc = embedded\n");
	fdprintf(fd, "rpc_server:eventlog = embedded\n");
	fdprintf(fd, "rpc_server:ntsvcs = embedded\n");
	fdprintf(fd, "rpc_server:winreg = embedded\n");
	fdprintf(fd, "rpc_server:spoolss = embedded\n");
	fdprintf(fd, "rpc_daemon:spoolssd = disabled\n");
	fdprintf(fd, "rpc_server:tcpip = no\n");

	fdprintf(fd, "map hidden = no\n");
	fdprintf(fd, "map system = no\n");
	fdprintf(fd, "map readonly = no\n");
	fdprintf(fd, "store dos attributes = yes\n");

	fdprintf(fd, "include = %s\n", lpcfg_configfile(lp_ctx));

	close(fd);
	return path;
}

/*
  called if smbd exits
 */
static void file_server_smbd_done(struct tevent_req *subreq)
{
	int sys_errno;
	int ret;

	ret = samba_runcmd_recv(subreq, &sys_errno);
	if (ret != 0) {
		DEBUG(0,("file_server smbd daemon died with exit status %d\n", sys_errno));
	} else {
		DEBUG(0,("file_server smbd daemon exited normally\n"));
	}
}


/*
  startup a copy of smbd as a child daemon
*/
static void s3fs_task_init(struct task_server *task)
{
	const char *fileserver_conf;
	struct tevent_req *req;
	const char *smbd_path;
	const char *smbd_cmd[2] = { NULL, NULL };

	task_server_set_title(task, "task[s3fs_parent]");

	/* create a smb.conf for smbd to use */
	fileserver_conf = generate_smb_conf(task);

	smbd_path = talloc_asprintf(task, "%s/smbd", dyn_SBINDIR);
	smbd_cmd[0] = smbd_path;

	/* start it as a child process */
	req = samba_runcmd_send(task, task->event_ctx, timeval_zero(), 1, 0,
				smbd_cmd,
				"--configfile", fileserver_conf,
				"--foreground",
				debug_get_output_is_stdout()?"--log-stdout":NULL,
				NULL);
	if (req == NULL) {
		DEBUG(0, ("Failed to start smbd as child daemon\n"));
		goto failed;
	}

	tevent_req_set_callback(req, file_server_smbd_done, task);

	DEBUG(1,("Started file server smbd with config %s\n", fileserver_conf));
	return;
failed:
	task_server_terminate(task, "Failed to startup s3fs smb task", true);
}

/* called at smbd startup - register ourselves as a server service */
NTSTATUS server_service_s3fs_init(void);

NTSTATUS server_service_s3fs_init(void)
{
	return register_server_service("s3fs", s3fs_task_init);
}