2 Unix SMB/CIFS implementation.
4 Main SMB server routines
6 Copyright (C) Andrew Tridgell 1992-2005
7 Copyright (C) Martin Pool 2002
8 Copyright (C) Jelmer Vernooij 2002
9 Copyright (C) James J Myers 2003 <myersjj@samba.org>
11 This program is free software; you can redistribute it and/or modify
12 it under the terms of the GNU General Public License as published by
13 the Free Software Foundation; either version 2 of the License, or
14 (at your option) any later version.
16 This program is distributed in the hope that it will be useful,
17 but WITHOUT ANY WARRANTY; without even the implied warranty of
18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 GNU General Public License for more details.
21 You should have received a copy of the GNU General Public License
22 along with this program; if not, write to the Free Software
23 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
27 #include "lib/events/events.h"
29 #include "lib/cmdline/popt_common.h"
30 #include "system/dir.h"
31 #include "system/filesys.h"
33 #include "ldb/include/ldb.h"
34 #include "registry/registry.h"
35 #include "ntvfs/ntvfs.h"
36 #include "ntptr/ntptr.h"
37 #include "auth/gensec/gensec.h"
38 #include "smbd/process_model.h"
39 #include "smbd/service.h"
40 #include "passdb/secrets.h"
41 #include "lib/util/pidfile.h"
44 recursively delete a directory tree
46 static void recursive_delete(const char *path)
56 for (de=readdir(dir);de;de=readdir(dir)) {
60 if (ISDOT(de->d_name) || ISDOTDOT(de->d_name)) {
64 fname = talloc_asprintf(path, "%s/%s", path, de->d_name);
65 if (stat(fname, &st) != 0) {
68 if (S_ISDIR(st.st_mode)) {
69 recursive_delete(fname);
73 if (unlink(fname) != 0) {
74 DEBUG(0,("Unabled to delete '%s' - %s\n",
75 fname, strerror(errno)));
76 smb_panic("unable to cleanup tmp files");
84 cleanup temporary files. This is the new alternative to
85 TDB_CLEAR_IF_FIRST. Unfortunately TDB_CLEAR_IF_FIRST is not
86 efficient on unix systems due to the lack of scaling of the byte
87 range locking system. So instead of putting the burden on tdb to
88 cleanup tmp files, this function deletes them.
90 static void cleanup_tmp_files(void)
93 TALLOC_CTX *mem_ctx = talloc_new(NULL);
95 path = smbd_tmp_path(mem_ctx, NULL);
97 recursive_delete(path);
101 static void sig_hup(int sig)
103 debug_schedule_reopen_logs();
109 static void setup_signals(void)
111 /* we are never interested in SIGPIPE */
112 BlockSignals(True,SIGPIPE);
115 /* we are never interested in SIGFPE */
116 BlockSignals(True,SIGFPE);
119 /* We are no longer interested in USR1 */
120 BlockSignals(True, SIGUSR1);
123 /* We are no longer interested in USR2 */
124 BlockSignals(True,SIGUSR2);
127 /* POSIX demands that signals are inherited. If the invoking process has
128 * these signals masked, we will have problems, as we won't recieve them. */
129 BlockSignals(False, SIGHUP);
130 BlockSignals(False, SIGTERM);
132 CatchSignal(SIGHUP, sig_hup);
138 static void server_stdin_handler(struct event_context *event_ctx, struct fd_event *fde,
139 uint16_t flags, void *private)
141 const char *binary_name = private;
143 if (read(0, &c, 1) == 0) {
144 DEBUG(0,("%s: EOF on stdin - terminating\n", binary_name));
150 die if the user selected maximum runtime is exceeded
152 static void max_runtime_handler(struct event_context *ev, struct timed_event *te,
153 struct timeval t, void *private)
155 const char *binary_name = private;
156 DEBUG(0,("%s: maximum runtime exceeded - terminating\n", binary_name));
163 static int binary_smbd_main(const char *binary_name, int argc, const char *argv[])
165 BOOL interactive = False;
168 init_module_fn static_init[] = STATIC_service_MODULES;
169 init_module_fn *shared_init;
170 struct event_context *event_ctx;
172 const char *model = "standard";
175 OPT_INTERACTIVE = 1000,
178 struct poptOption long_options[] = {
180 {"interactive", 'i', POPT_ARG_NONE, NULL, OPT_INTERACTIVE,
181 "Run interactive (not a daemon)", NULL},
182 {"model", 'M', POPT_ARG_STRING, NULL, OPT_PROCESS_MODEL,
183 "Select process model", "MODEL"},
184 {"maximum-runtime",0, POPT_ARG_INT, &max_runtime, 0,
185 "set maximum runtime of the server process, till autotermination", "seconds"},
191 pc = poptGetContext(binary_name, argc, argv, long_options, 0);
193 while((opt = poptGetNextOpt(pc)) != -1) {
195 case OPT_INTERACTIVE:
198 case OPT_PROCESS_MODEL:
199 model = poptGetOptArg(pc);
205 setup_logging(binary_name, interactive?DEBUG_STDOUT:DEBUG_FILE);
208 /* we want total control over the permissions on created files,
209 so set our umask to 0 */
212 DEBUG(0,("%s version %s started.\n", binary_name, SAMBA_VERSION_STRING));
213 DEBUGADD(0,("Copyright Andrew Tridgell and the Samba Team 1992-2006\n"));
215 if (sizeof(uint16_t) < 2 || sizeof(uint32_t) < 4 || sizeof(uint64_t) < 8) {
216 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
221 DEBUG(3,("Becoming a daemon.\n"));
227 if (!directory_exist(lp_lockdir())) {
228 mkdir(lp_lockdir(), 0755);
231 pidfile_create(binary_name);
233 /* Do *not* remove this, until you have removed
234 * passdb/secrets.c, and proved that Samba still builds... */
235 /* Setup the SECRETS subsystem */
236 if (!secrets_init()) {
240 ldb_global_init(); /* FIXME: */
244 gensec_init(); /* FIXME: */
246 registry_init(); /* FIXME: maybe run this in the initialization function
247 of the winreg RPC server instead? */
249 ntptr_init(); /* FIXME: maybe run this in the initialization function
250 of the spoolss RPC server instead? */
252 ntvfs_init(); /* FIXME: maybe run this in the initialization functions
253 of the SMB[,2] server instead? */
255 process_model_init();
257 shared_init = load_samba_modules(NULL, "service");
259 run_init_functions(static_init);
260 run_init_functions(shared_init);
262 talloc_free(shared_init);
264 /* the event context is the top level structure in smbd. Everything else
265 should hang off that */
266 event_ctx = event_context_init(NULL);
269 /* catch EOF on stdin */
271 signal(SIGTTIN, SIG_IGN);
273 event_add_fd(event_ctx, event_ctx, 0, EVENT_FD_READ,
274 server_stdin_handler,
275 discard_const(binary_name));
280 event_add_timed(event_ctx, event_ctx,
281 timeval_current_ofs(max_runtime, 0),
283 discard_const(binary_name));
286 DEBUG(0,("%s: using '%s' process model\n", binary_name, model));
287 status = server_service_startup(event_ctx, model, lp_server_services());
288 if (!NT_STATUS_IS_OK(status)) {
289 DEBUG(0,("Starting Services failed - %s\n", nt_errstr(status)));
293 /* wait for events - this is where smbd sits for most of its
295 event_loop_wait(event_ctx);
297 /* as everything hangs off this event context, freeing it
298 should initiate a clean shutdown of all services */
299 talloc_free(event_ctx);
304 int main(int argc, const char *argv[])
306 return binary_smbd_main("smbd", argc, argv);