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, "..")) {
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 int binary_smbd_main(int argc, const char *argv[])
132 BOOL interactive = False;
135 struct event_context *event_ctx;
137 const char *model = "standard";
138 struct poptOption long_options[] = {
141 {"interactive", 'i', POPT_ARG_VAL, &interactive, True,
142 "Run interactive (not a daemon)", NULL},
143 {"model", 'M', POPT_ARG_STRING, &model, True,
144 "Select process model", "MODEL"},
149 pc = poptGetContext("smbd", argc, argv, long_options, 0);
151 while((opt = poptGetNextOpt(pc)) != -1) /* noop */ ;
155 setup_logging(argv[0], interactive?DEBUG_STDOUT:DEBUG_FILE);
158 /* we want total control over the permissions on created files,
159 so set our umask to 0 */
164 DEBUG(0,("smbd version %s started.\n", SAMBA_VERSION_STRING));
165 DEBUGADD(0,("Copyright Andrew Tridgell and the Samba Team 1992-2005\n"));
167 if (sizeof(uint16_t) < 2 || sizeof(uint32_t) < 4 || sizeof(uint64_t) < 8) {
168 DEBUG(0,("ERROR: Samba is not configured correctly for the word size on your machine\n"));
172 lp_load(dyn_CONFIGFILE, False, False, True);
178 DEBUG(3,("Becoming a daemon.\n"));
184 if (!directory_exist(lp_lockdir())) {
185 mkdir(lp_lockdir(), 0755);
188 pidfile_create("smbd");
190 /* Do *not* remove this, until you have removed
191 * passdb/secrets.c, and proved that Samba still builds... */
192 /* Setup the SECRETS subsystem */
193 if (!secrets_init()) {
197 smbd_init_subsystems;
199 /* the event context is the top level structure in smbd. Everything else
200 should hang off that */
201 event_ctx = event_context_init(NULL);
203 DEBUG(0,("Using %s process model\n", model));
204 status = server_service_startup(event_ctx, model, lp_server_services());
205 if (!NT_STATUS_IS_OK(status)) {
206 DEBUG(0,("Starting Services failed - %s\n", nt_errstr(status)));
210 /* wait for events - this is where smbd sits for most of its
212 event_loop_wait(event_ctx);
214 /* as everything hangs off this event context, freeing it
215 should initiate a clean shutdown of all services */
216 talloc_free(event_ctx);
221 int main(int argc, const char *argv[])
223 return binary_smbd_main(argc, argv);