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authorAndrew Tridgell <tridge@samba.org>2011-05-03 09:35:07 +1000
committerAndrew Bartlett <abartlet@samba.org>2012-02-28 12:01:08 +0100
commit8db121be4265bc4de3b34c6eab1b5ae2fd882957 (patch)
treef5e4f23dbef5d0250cf849714c9f6d4a88a9bbc0 /file_server/file_server.c
parent63c96b3a58accffba21981563b8b53c33f8b8f37 (diff)
downloadsamba-8db121be4265bc4de3b34c6eab1b5ae2fd882957.tar.gz
s3fs: added file_server directory
this contains a file server backend that forks and starts smbd Pair-Programmed-With: Andrew Bartlett <abartlet@samba.org>
Diffstat (limited to 'file_server/file_server.c')
-rw-r--r--file_server/file_server.c124
1 files changed, 124 insertions, 0 deletions
diff --git a/file_server/file_server.c b/file_server/file_server.c
new file mode 100644
index 00000000000..2c5ec43fe1b
--- /dev/null
+++ b/file_server/file_server.c
@@ -0,0 +1,124 @@
+/*
+ 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:dssetup = disabled\n");
+ fdprintf(fd, "rpc_server:spoolss = embedded\n");
+ fdprintf(fd, "rpc_daemon:spoolssd = disabled\n");
+ fdprintf(fd, "rpc_server:tcpip = no\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", 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);
+}