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/*
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, "# auto-generated config for fileserver\n");
fdprintf(fd, "auth methods = guest samba4\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: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");
/* If we are using xattr_tdb:file or posix:eadb then we need to load another VFS object */
if (lpcfg_parm_string(lp_ctx, NULL, "xattr_tdb", "file")) {
fdprintf(fd, "vfs objects = acl_xattr xattr_tdb\n");
} else if (lpcfg_parm_string(lp_ctx, NULL, "posix", "eadb")) {
fdprintf(fd, "vfs objects = acl_xattr posix_eadb\n");
} else {
fdprintf(fd, "vfs objects = acl_xattr\n");
}
fdprintf(fd, "include = %s\n", lpcfg_configfile(lp_ctx));
fdprintf(fd, "[IPC$]\n");
fdprintf(fd, " vfs objects = dfs_samba4\n");
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);
}
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