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 "dynconfig.h"
30 #include "lib/cmdline/popt_common.h"
31 #include "system/dir.h"
32 #include "system/filesys.h"
36 cleanup temporary files. This is the new alternative to
37 TDB_CLEAR_IF_FIRST. Unfortunately TDB_CLEAR_IF_FIRST is not
38 efficient on unix systems due to the lack of scaling of the byte
39 range locking system. So instead of putting the burden on tdb to
40 cleanup tmp files, this function deletes them.
42 static void cleanup_tmp_files(void)
47 TALLOC_CTX *mem_ctx = talloc_new(NULL);
49 path = smbd_tmp_path(mem_ctx, NULL);
57 for (de=readdir(dir);de;de=readdir(dir)) {
59 * Don't try to delete . and ..
61 if (strcmp(de->d_name, ".") != 0 &&
62 strcmp(de->d_name, "..") != 0) {
63 char *fname = talloc_asprintf(mem_ctx, "%s/%s", path, de->d_name);
64 int ret = unlink(fname);
69 DEBUG(0,("Unabled to delete '%s' - %s\n",
70 fname, strerror(errno)));
71 smb_panic("unable to cleanup tmp files");
76 * If it is a dir, don't complain
77 * NOTE! The test will only happen if we have
78 * sys/stat.h, otherwise we will always error out
80 #ifdef HAVE_SYS_STAT_H
82 if (stat(fname, &sb) != -1 &&
86 DEBUG(0,("Unable to delete '%s' - %s\n",
87 fname, strerror(errno)));
88 smb_panic("unable to cleanup tmp files");
102 static void setup_signals(void)
106 /* we are never interested in SIGPIPE */
107 BlockSignals(True,SIGPIPE);
110 /* we are never interested in SIGFPE */
111 BlockSignals(True,SIGFPE);
115 /* We are no longer interested in USR2 */
116 BlockSignals(True,SIGUSR2);
119 /* POSIX demands that signals are inherited. If the invoking process has
120 * these signals masked, we will have problems, as we won't recieve them. */
121 BlockSignals(False, SIGHUP);
122 BlockSignals(False, SIGUSR1);
123 BlockSignals(False, SIGTERM);
130 static void server_stdin_handler(struct event_context *event_ctx, struct fd_event *fde,
131 uint16_t flags, void *private)
134 if (read(0, &c, 1) == 0) {
135 DEBUG(0,("EOF on stdin - terminating\n"));
143 static int binary_smbd_main(int argc, const char *argv[])
145 BOOL interactive = False;
148 struct event_context *event_ctx;
150 const char *model = "standard";
151 struct poptOption long_options[] = {
154 {"interactive", 'i', POPT_ARG_VAL, &interactive, True,
155 "Run interactive (not a daemon)", NULL},
156 {"model", 'M', POPT_ARG_STRING, &model, True,
157 "Select process model", "MODEL"},
162 pc = poptGetContext("smbd", argc, argv, long_options, 0);
164 while((opt = poptGetNextOpt(pc)) != -1) /* noop */ ;
168 setup_logging(argv[0], interactive?DEBUG_STDOUT:DEBUG_FILE);
171 /* we want total control over the permissions on created files,
172 so set our umask to 0 */
177 DEBUG(0,("smbd version %s started.\n", SAMBA_VERSION_STRING));
178 DEBUGADD(0,("Copyright Andrew Tridgell and the Samba Team 1992-2005\n"));
180 if (sizeof(uint16_t) < 2 || sizeof(uint32_t) < 4 || sizeof(uint64_t) < 8) {
181 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
185 lp_load(dyn_CONFIGFILE, False, False, True);
191 DEBUG(3,("Becoming a daemon.\n"));
197 if (!directory_exist(lp_lockdir())) {
198 mkdir(lp_lockdir(), 0755);
201 pidfile_create("smbd");
203 /* Do *not* remove this, until you have removed
204 * passdb/secrets.c, and proved that Samba still builds... */
205 /* Setup the SECRETS subsystem */
206 if (!secrets_init()) {
210 smbd_init_subsystems;
212 /* the event context is the top level structure in smbd. Everything else
213 should hang off that */
214 event_ctx = event_context_init(NULL);
217 /* catch EOF on stdin */
218 event_add_fd(event_ctx, event_ctx, 0, EVENT_FD_READ,
219 server_stdin_handler, NULL);
222 DEBUG(0,("Using %s process model\n", model));
223 status = server_service_startup(event_ctx, model, lp_server_services());
224 if (!NT_STATUS_IS_OK(status)) {
225 DEBUG(0,("Starting Services failed - %s\n", nt_errstr(status)));
229 /* wait for events - this is where smbd sits for most of its
231 event_loop_wait(event_ctx);
233 /* as everything hangs off this event context, freeing it
234 should initiate a clean shutdown of all services */
235 talloc_free(event_ctx);
240 int main(int argc, const char *argv[])
242 return binary_smbd_main(argc, argv);