static void terminate(bool is_parent)
{
if (is_parent) {
/* When parent goes away we should
* remove the socket file. Not so
* when children terminate.
*/
char *path = NULL;
if (asprintf(&path, "%s/%s",
get_winbind_pipe_dir(), WINBINDD_SOCKET_NAME) > 0) {
unlink(path);
SAFE_FREE(path);
}
}
idmap_close();
trustdom_cache_shutdown();
gencache_stabilize();
#if 0
if (interactive) {
TALLOC_CTX *mem_ctx = talloc_init("end_description");
char *description = talloc_describe_all(mem_ctx);
DEBUG(3, ("tallocs left:\n%s\n", description));
talloc_destroy(mem_ctx);
}
#endif
if (is_parent) {
struct messaging_context *msg = winbind_messaging_context();
struct server_id self = messaging_server_id(msg);
serverid_deregister(self);
pidfile_unlink(lp_piddir(), "winbindd");
}
exit(0);
}
int main(int argc, char **argv)
{
pstring logfile;
static BOOL interactive = False;
static BOOL Fork = True;
static BOOL log_stdout = False;
struct poptOption long_options[] = {
POPT_AUTOHELP
{ "stdout", 'S', POPT_ARG_VAL, &log_stdout, True, "Log to stdout" },
{ "foreground", 'F', POPT_ARG_VAL, &Fork, False, "Daemon in foreground mode" },
{ "interactive", 'i', POPT_ARG_NONE, NULL, 'i', "Interactive mode" },
{ "single-daemon", 'Y', POPT_ARG_VAL, &opt_dual_daemon, False, "Single daemon mode" },
{ "no-caching", 'n', POPT_ARG_VAL, &opt_nocache, True, "Disable caching" },
POPT_COMMON_SAMBA
POPT_TABLEEND
};
poptContext pc;
int opt;
/* glibc (?) likes to print "User defined signal 1" and exit if a
SIGUSR[12] is received before a handler is installed */
CatchSignal(SIGUSR1, SIG_IGN);
CatchSignal(SIGUSR2, SIG_IGN);
fault_setup((void (*)(void *))fault_quit );
/* Initialise for running in non-root mode */
sec_init();
set_remote_machine_name("winbindd", False);
/* Set environment variable so we don't recursively call ourselves.
This may also be useful interactively. */
setenv(WINBINDD_DONT_ENV, "1", 1);
/* Initialise samba/rpc client stuff */
pc = poptGetContext("winbindd", argc, (const char **)argv, long_options,
POPT_CONTEXT_KEEP_FIRST);
while ((opt = poptGetNextOpt(pc)) != -1) {
switch (opt) {
/* Don't become a daemon */
case 'i':
interactive = True;
log_stdout = True;
Fork = False;
break;
}
}
if (log_stdout && Fork) {
printf("Can't log to stdout (-S) unless daemon is in foreground +(-F) or interactive (-i)\n");
poptPrintUsage(pc, stderr, 0);
exit(1);
}
pstr_sprintf(logfile, "%s/log.winbindd", dyn_LOGFILEBASE);
lp_set_logfile(logfile);
setup_logging("winbindd", log_stdout);
reopen_logs();
DEBUG(1, ("winbindd version %s started.\n", SAMBA_VERSION_STRING) );
DEBUGADD( 1, ( "Copyright The Samba Team 2000-2004\n" ) );
if (!reload_services_file()) {
DEBUG(0, ("error opening config file\n"));
exit(1);
}
/* Setup names. */
if (!init_names())
exit(1);
load_interfaces();
if (!secrets_init()) {
DEBUG(0,("Could not initialize domain trust account secrets. Giving up\n"));
return False;
}
/* Enable netbios namecache */
namecache_enable();
/* Check winbindd parameters are valid */
ZERO_STRUCT(server_state);
/* Winbind daemon initialisation */
if ( (!winbindd_param_init()) || (!winbindd_upgrade_idmap()) ||
(!idmap_init(lp_idmap_backend())) ) {
DEBUG(1, ("Could not init idmap -- netlogon proxy only\n"));
idmap_proxyonly();
}
generate_wellknown_sids();
/* Unblock all signals we are interested in as they may have been
blocked by the parent process. */
BlockSignals(False, SIGINT);
BlockSignals(False, SIGQUIT);
BlockSignals(False, SIGTERM);
BlockSignals(False, SIGUSR1);
BlockSignals(False, SIGUSR2);
BlockSignals(False, SIGHUP);
BlockSignals(False, SIGCHLD);
/* Setup signal handlers */
CatchSignal(SIGINT, termination_handler); /* Exit on these sigs */
CatchSignal(SIGQUIT, termination_handler);
CatchSignal(SIGTERM, termination_handler);
CatchSignal(SIGCHLD, sigchld_handler);
CatchSignal(SIGPIPE, SIG_IGN); /* Ignore sigpipe */
CatchSignal(SIGUSR2, sigusr2_handler); /* Debugging sigs */
CatchSignal(SIGHUP, sighup_handler);
if (!interactive)
become_daemon(Fork);
pidfile_create("winbindd");
#if HAVE_SETPGID
/*
* If we're interactive we want to set our own process group for
* signal management.
*/
if (interactive)
setpgid( (pid_t)0, (pid_t)0);
#endif
if (opt_dual_daemon) {
do_dual_daemon();
}
/* Initialise messaging system */
if (!message_init()) {
DEBUG(0, ("unable to initialise messaging system\n"));
exit(1);
}
/* React on 'smbcontrol winbindd reload-config' in the same way
as to SIGHUP signal */
message_register(MSG_SMB_CONF_UPDATED, msg_reload_services);
message_register(MSG_SHUTDOWN, msg_shutdown);
poptFreeContext(pc);
netsamlogon_cache_init(); /* Non-critical */
init_domain_list();
/* Loop waiting for requests */
process_loop();
trustdom_cache_shutdown();
return 0;
}