move everything to new NOMMU helpers, except udhcp

networking/dnsd.c

@@ -353,12 +353,7 @@ int dnsd_main(int argc, char **argv)
 	}
 
 	if (OPT_daemon) {
-#ifdef BB_NOMMU
-		if (!re_execed)
-			vfork_daemon_rexec(1, 0, argv);
-#else
-		xdaemon(1, 0);
-#endif
+		bb_daemonize_or_rexec(DAEMON_CLOSE_EXTRA_FDS, argv);
 		openlog(applet_name, LOG_PID, LOG_DAEMON);
 		logmode = LOGMODE_SYSLOG;
 	}

networking/httpd.c

@@ -2044,6 +2044,6 @@ int httpd_main(int argc, char *argv[])
 		return miniHttpd_inetd();
 
 	if (!(opt & OPT_FOREGROUND))
-		xdaemon(1, 0);     /* don't change current directory */
+		bb_daemonize(0);     /* don't change current directory */
 	return miniHttpd(config->server_socket);
 }

networking/inetd.c

@@ -1274,30 +1274,24 @@ int inetd_main(int argc, char *argv[])
 	LastArg = envp[-1] + strlen(envp[-1]);
 #endif
 
-	opt = getopt32(argc, argv, "R:f", &stoomany);
-	if(opt & 1) {
-		toomany = xatoi_u(stoomany);
-	}
-	argc -= optind;
-	argv += optind;
-
 	uid = getuid();
 	if (uid != 0)
 		config_filename = NULL;
-	if (argc > 0)
+
+	opt = getopt32(argc, argv, "R:f", &stoomany);
+	if (opt & 1)
+		toomany = xatoi_u(stoomany);
+	argv += optind;
+	argc -= optind;
+	if (argc)
 		config_filename = argv[0];
 	if (config_filename == NULL)
 		bb_error_msg_and_die("non-root must specify a config file");
 
-#ifdef BB_NOMMU
-	if (!(opt & 2)) {
-		if (!re_execed)
-			vfork_daemon_rexec(0, 0, argv);
-	}
-	bb_sanitize_stdio();
-#else
-	bb_sanitize_stdio_maybe_daemonize(!(opt & 2));
-#endif
+	if (!(opt & 2))
+		bb_daemonize_or_rexec(0, argv - optind);
+	else
+		bb_sanitize_stdio();
 	openlog(applet_name, LOG_PID | LOG_NOWAIT, LOG_DAEMON);
 	logmode = LOGMODE_SYSLOG;
 

networking/isrv_identd.c

@@ -112,7 +112,9 @@ int fakeidentd_main(int argc, char **argv)
 		bogouser = argv[optind];
 
 	/* Daemonize if no -f and no -i and no -w */
-	bb_sanitize_stdio_maybe_daemonize(!(opt & OPT_fiw));
+	if (!(opt & OPT_fiw));
+		bb_daemonize_or_rexec(0, argv);
+
 	/* Where to log in inetd modes? "Classic" inetd
 	 * probably has its stderr /dev/null'ed (we need log to syslog?),
 	 * but daemontools-like utilities usually expect that children

networking/telnetd.c

@@ -415,7 +415,7 @@ int telnetd_main(int argc, char **argv)
 		master_fd = create_and_bind_stream_or_die(opt_bindaddr, portnbr);
 		xlisten(master_fd, 1);
 		if (!(opt & OPT_FOREGROUND))
-			xdaemon(0, 0);
+			bb_daemonize(DAEMON_CHDIR_ROOT);
 	}
 #else
 	sessions = make_new_session();

networking/zcip.c

@@ -271,9 +271,8 @@ int zcip_main(int argc, char *argv[])
 
 	// daemonize now; don't delay system startup
 	if (!FOREGROUND) {
-		/* bb_daemonize(); - bad, will close fd! */
 //NOMMU
-		xdaemon(0, 0);
+		bb_daemonize(DAEMON_CHDIR_ROOT);
 		bb_info_msg("start, interface %s", intf);
 	}