main.c revision 939b8f14dcd9312140d001b55b4e7a87173682ef
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen/***
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen This file is part of systemd.
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen Copyright 2010 Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen systemd is free software; you can redistribute it and/or modify it
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen under the terms of the GNU Lesser General Public License as published by
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen the Free Software Foundation; either version 2.1 of the License, or
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen (at your option) any later version.
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen systemd is distributed in the hope that it will be useful, but
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen WITHOUT ANY WARRANTY; without even the implied warranty of
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen Lesser General Public License for more details.
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen You should have received a copy of the GNU Lesser General Public License
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen along with systemd; If not, see <http://www.gnu.org/licenses/>.
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen***/
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#include <dbus/dbus.h>
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#include <stdio.h>
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <errno.h>
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <string.h>
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <unistd.h>
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#include <sys/types.h>
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <sys/stat.h>
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#include <getopt.h>
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#include <signal.h>
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#include <sys/wait.h>
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#include <fcntl.h>
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#include <sys/prctl.h>
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#include <sys/mount.h>
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "manager.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "log.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "load-fragment.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "fdset.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "special.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "conf-parser.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "bus-errors.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "missing.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "label.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "build.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "strv.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "def.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "virt.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "watchdog.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "path-util.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "switch-root.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "capability.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "mount-setup.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "loopback-setup.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "kmod-setup.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "hostname-setup.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "machine-id-setup.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "locale-setup.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "hwclock.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "selinux-setup.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include "ima-setup.h"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic enum {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ACTION_RUN,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ACTION_HELP,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ACTION_TEST,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ACTION_DUMP_CONFIGURATION_ITEMS,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ACTION_DONE
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering} arg_action = ACTION_RUN;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic char *arg_default_unit = NULL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_dump_core = true;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_crash_shell = false;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int arg_crash_chvt = -1;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_confirm_spawn = false;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_show_status = true;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_switched_root = false;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#ifdef HAVE_SYSV_COMPAT
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic bool arg_sysv_console = true;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#endif
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic char **arg_default_controllers = NULL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic char ***arg_join_controllers = NULL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic usec_t arg_runtime_watchdog = 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic struct rlimit *arg_default_rlimit[RLIMIT_NLIMITS] = {};
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic uint64_t arg_capability_bounding_set_drop = 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic FILE* serialization = NULL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void nop_handler(int sig) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering_noreturn_ static void crash(int sig) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!arg_dump_core)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering struct sigaction sa;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering pid_t pid;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* We want to wait for the core process, hence let's enable SIGCHLD */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering zero(sa);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sa.sa_handler = nop_handler;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sa.sa_flags = SA_NOCLDSTOP|SA_RESTART;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((pid = fork()) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else if (pid == 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering struct rlimit rl;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Enable default signal handler for core dump */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering zero(sa);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sa.sa_handler = SIG_DFL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_se(sigaction(sig, &sa, NULL) == 0);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Don't limit the core dump size */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering zero(rl);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering rl.rlim_cur = RLIM_INFINITY;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering rl.rlim_max = RLIM_INFINITY;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering setrlimit(RLIMIT_CORE, &rl);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Just to be sure... */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_se(chdir("/") == 0);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Raise the signal again */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering raise(sig);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_not_reached("We shouldn't be here...");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering _exit(1);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering siginfo_t status;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Order things nicely. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = wait_for_terminate(pid, &status)) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else if (status.si_code != CLD_DUMPED)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (arg_crash_chvt)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering chvt(arg_crash_chvt);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (arg_crash_shell) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering struct sigaction sa;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering pid_t pid;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_info("Executing crash shell in 10s...");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sleep(10);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Let the kernel reap children for us */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering zero(sa);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sa.sa_handler = SIG_IGN;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((pid = fork()) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to fork off crash shell: %s", strerror(errno));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else if (pid == 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int fd, r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to acquire terminal: %s", strerror(-fd));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else if ((r = make_stdio(fd)) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to duplicate terminal fd: %s", strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering execl("/bin/sh", "/bin/sh", NULL);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("execl() failed: %s", strerror(errno));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering _exit(1);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_info("Freezing execution.");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering freeze();
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void install_crash_handler(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering struct sigaction sa;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering zero(sa);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sa.sa_handler = crash;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sa.sa_flags = SA_NODEFER;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int console_setup(bool do_reset) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int tty_fd, r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* If we are init, we connect stdin/stdout/stderr to /dev/null
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * and make sure we don't have a controlling tty. */
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering release_terminal();
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!do_reset)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (tty_fd < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to open /dev/console: %s", strerror(-tty_fd));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -tty_fd;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* We don't want to force text mode.
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * plymouth may be showing pictures already from initrd. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = reset_terminal_fd(tty_fd, false);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to reset /dev/console: %s", strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering close_nointr_nofail(tty_fd);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int set_default_unit(const char *u) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char *c;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(u);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering c = strdup(u);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!c)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering free(arg_default_unit);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_default_unit = c;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int parse_proc_cmdline_word(const char *word) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering static const char * const rlmap[] = {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "emergency", SPECIAL_EMERGENCY_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "-b", SPECIAL_EMERGENCY_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "single", SPECIAL_RESCUE_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "-s", SPECIAL_RESCUE_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "s", SPECIAL_RESCUE_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "S", SPECIAL_RESCUE_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "1", SPECIAL_RESCUE_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "2", SPECIAL_RUNLEVEL2_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "3", SPECIAL_RUNLEVEL3_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "4", SPECIAL_RUNLEVEL4_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "5", SPECIAL_RUNLEVEL5_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering };
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(word);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (startswith(word, "systemd.unit=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!in_initrd())
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return set_default_unit(word + 13);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "rd.systemd.unit=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (in_initrd())
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return set_default_unit(word + 16);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.log_target=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (log_set_target_from_string(word + 19) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse log target %s. Ignoring.", word + 19);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.log_level=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (log_set_max_level_from_string(word + 18) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse log level %s. Ignoring.", word + 18);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.log_color=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
0014a4ad505d119c7ac4346d9d774c3f17f663a5Lennart Poettering if (log_show_color_from_string(word + 18) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse log color setting %s. Ignoring.", word + 18);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.log_location=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (log_show_location_from_string(word + 21) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse log location setting %s. Ignoring.", word + 21);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.dump_core=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = parse_boolean(word + 18)) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_dump_core = r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.crash_shell=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = parse_boolean(word + 20)) < 0)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen else
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen arg_crash_shell = r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else if (startswith(word, "systemd.confirm_spawn=")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen int r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if ((r = parse_boolean(word + 22)) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_confirm_spawn = r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.crash_chvt=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int k;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (safe_atoi(word + 19, &k) < 0)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen arg_crash_chvt = k;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else if (startswith(word, "systemd.show_status=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = parse_boolean(word + 20)) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse show status switch %s. Ignoring.", word + 20);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering else
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_show_status = r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.default_standard_output=")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen int r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if ((r = exec_output_from_string(word + 32)) < 0)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen else
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen arg_default_std_output = r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else if (startswith(word, "systemd.default_standard_error=")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen int r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if ((r = exec_output_from_string(word + 31)) < 0)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen else
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen arg_default_std_error = r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else if (startswith(word, "systemd.setenv=")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen char *cenv, *eq;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen int r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen cenv = strdup(word + 15);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!cenv)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen return -ENOMEM;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen eq = strchr(cenv, '=');
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if (!eq) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen r = unsetenv(cenv);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if (r < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("unsetenv failed %s. Ignoring.", strerror(errno));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering *eq = 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = setenv(cenv, eq + 1, 1);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("setenv failed %s. Ignoring.", strerror(errno));
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen }
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen free(cenv);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#ifdef HAVE_SYSV_COMPAT
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else if (startswith(word, "systemd.sysv_console=")) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = parse_boolean(word + 21)) < 0)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_warning("Failed to parse SysV console switch %s. Ignoring.", word + 20);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen else
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen arg_sysv_console = r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#endif
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else if (startswith(word, "systemd.")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek log_warning("Unknown kernel switch %s. Ignoring.", word);
36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek
36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek log_info("Supported kernel switches:\n"
36f822c4bd077f9121757e24b6516e5c7ada63b5Zbigniew Jędrzejewski-Szmek "systemd.unit=UNIT Default unit to start\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "rd.systemd.unit=UNIT Default unit to start when run in initrd\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.dump_core=0|1 Dump core on crash\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.crash_shell=0|1 Run shell on crash\n"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "systemd.crash_chvt=N Change to VT #N on crash\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.show_status=0|1 Show status updates on the console during bootup\n"
c92e531c82a9815ec349aa1bf31236b86b2d5311Lennart Poettering#ifdef HAVE_SYSV_COMPAT
c92e531c82a9815ec349aa1bf31236b86b2d5311Lennart Poettering "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#endif
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen " Log target\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.log_level=LEVEL Log level\n"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "systemd.log_color=0|1 Highlight important log messages\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.log_location=0|1 Include code location in log messages\n"
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen " Set default log output for services\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen " Set default log error output for services\n");
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else if (streq(word, "quiet")) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen arg_show_status = false;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#ifdef HAVE_SYSV_COMPAT
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen arg_sysv_console = false;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen#endif
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen unsigned i;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* SysV compatibility */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (streq(word, rlmap[i]))
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return set_default_unit(rlmap[i+1]);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int config_parse_level2(
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *filename,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering unsigned line,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *section,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *lvalue,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int ltype,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *rvalue,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen void *data,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen void *userdata) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(filename);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(lvalue);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(rvalue);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_set_max_level_from_string(rvalue);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen return 0;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int config_parse_target(
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *filename,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering unsigned line,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *section,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *lvalue,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int ltype,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *rvalue,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering void *data,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering void *userdata) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(filename);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(lvalue);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(rvalue);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_set_target_from_string(rvalue);
096b6773886bd7a0c8c97aa684b0b67dfae58355Lennart Poettering return 0;
096b6773886bd7a0c8c97aa684b0b67dfae58355Lennart Poettering}
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int config_parse_color(
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *filename,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering unsigned line,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *section,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *lvalue,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int ltype,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *rvalue,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering void *data,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen void *userdata) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(filename);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(lvalue);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(rvalue);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen log_show_color_from_string(rvalue);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersenstatic int config_parse_location(
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *filename,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen unsigned line,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen const char *section,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen const char *lvalue,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int ltype,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *rvalue,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen void *data,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen void *userdata) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(filename);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(lvalue);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(rvalue);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_show_location_from_string(rvalue);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen return 0;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen}
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int config_parse_cpu_affinity2(
b686acb27ea4de042320fa196cfb14e08f30165bTom Gundersen const char *filename,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen unsigned line,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen const char *section,
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen const char *lvalue,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int ltype,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *rvalue,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering void *data,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering void *userdata) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen char *w;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen size_t l;
b686acb27ea4de042320fa196cfb14e08f30165bTom Gundersen char *state;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen cpu_set_t *c = NULL;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen unsigned ncpus = 0;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(filename);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(lvalue);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(rvalue);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen FOREACH_WORD_QUOTED(w, l, rvalue, state) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen char *t;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen int r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen unsigned cpu;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!(t = strndup(w, l)))
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = safe_atou(t, &cpu);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering free(t);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if (!c)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!(c = cpu_set_malloc(&ncpus)))
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0 || cpu >= ncpus) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering CPU_FREE(c);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -EBADMSG;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (c) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to set CPU affinity: %m");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering CPU_FREE(c);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void strv_free_free(char ***l) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char ***i;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!l)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering for (i = l; *i; i++)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_free(*i);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering free(l);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic void free_join_controllers(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!arg_join_controllers)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_free_free(arg_join_controllers);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_join_controllers = NULL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int config_parse_join_controllers(
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *filename,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering unsigned line,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *section,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *lvalue,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int ltype,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *rvalue,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering void *data,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering void *userdata) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
ad867662936a4c7ab2c7116d804c272338801231Lennart Poettering unsigned n = 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char *state, *w;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering size_t length;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(filename);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen assert(lvalue);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(rvalue);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen free_join_controllers();
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen FOREACH_WORD_QUOTED(w, length, rvalue, state) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char *s, **l;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering s = strndup(w, length);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!s)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering l = strv_split(s, ",");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering free(s);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_uniq(l);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (strv_length(l) <= 1) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_free(l);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering continue;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!arg_join_controllers) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_join_controllers = new(char**, 2);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!arg_join_controllers) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_free(l);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_join_controllers[0] = l;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_join_controllers[1] = NULL;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering n = 1;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen char ***a;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char ***t;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering t = new0(char**, n+2);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!t) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_free(l);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering n = 0;
ad867662936a4c7ab2c7116d804c272338801231Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering for (a = arg_join_controllers; *a; a++) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (strv_overlap(*a, l)) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen char **c;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering c = strv_merge(*a, l);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!c) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_free(l);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_free_free(t);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_free(l);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering l = c;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char **c;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering c = strv_copy(*a);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!c) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_free(l);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering strv_free_free(t);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering t[n++] = c;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering t[n++] = strv_uniq(l);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
ad867662936a4c7ab2c7116d804c272338801231Lennart Poettering strv_free_free(arg_join_controllers);
ad867662936a4c7ab2c7116d804c272338801231Lennart Poettering arg_join_controllers = t;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen }
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersenstatic int parse_config_file(void) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const ConfigTableItem items[] = {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "LogLevel", config_parse_level2, 0, NULL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "LogTarget", config_parse_target, 0, NULL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "LogColor", config_parse_color, 0, NULL },
3cb10d3a0b1b6a7c44f307f2abb5215104e16941Lennart Poettering { "Manager", "LogLocation", config_parse_location, 0, NULL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "ShowStatus", config_parse_bool, 0, &arg_show_status },
ad867662936a4c7ab2c7116d804c272338801231Lennart Poettering#ifdef HAVE_SYSV_COMPAT
ad867662936a4c7ab2c7116d804c272338801231Lennart Poettering { "Manager", "SysVConsole", config_parse_bool, 0, &arg_sysv_console },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#endif
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultControllers", config_parse_strv, 0, &arg_default_controllers },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "RuntimeWatchdogSec", config_parse_usec, 0, &arg_runtime_watchdog },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "ShutdownWatchdogSec", config_parse_usec, 0, &arg_shutdown_watchdog },
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA]},
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC]},
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK]},
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitSIGPENDING",config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO]},
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME]},
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { NULL, NULL, NULL, 0, NULL }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering };
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering FILE *f;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering const char *fn;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : USER_CONFIG_FILE;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen f = fopen(fn, "re");
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if (!f) {
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen if (errno == ENOENT)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to open configuration file '%s': %m", fn);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = config_parse(fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, NULL);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to parse configuration file: %s", strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering fclose(f);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int parse_proc_cmdline(void) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char *line, *w, *state;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering size_t l;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* Don't read /proc/cmdline if we are in a container, since
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * that is only relevant for the host system */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (detect_container(NULL) > 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering FOREACH_WORD_QUOTED(w, l, line, state) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char *word;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!(word = strndup(w, l))) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = -ENOMEM;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering goto finish;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = parse_proc_cmdline_word(word);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering free(word);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen goto finish;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen }
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersenfinish:
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering free(line);
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen return r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int parse_argv(int argc, char *argv[]) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen enum {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_LOG_LEVEL = 0x100,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_LOG_TARGET,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_LOG_COLOR,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_LOG_LOCATION,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_UNIT,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_SYSTEM,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_USER,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_TEST,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_DUMP_CONFIGURATION_ITEMS,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_DUMP_CORE,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_CRASH_SHELL,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_CONFIRM_SPAWN,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_SHOW_STATUS,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_SYSV_CONSOLE,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_DESERIALIZE,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_SWITCHED_ROOT,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_INTROSPECT,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_DEFAULT_STD_OUTPUT,
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering ARG_DEFAULT_STD_ERROR
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering };
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering static const struct option options[] = {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "log-level", required_argument, NULL, ARG_LOG_LEVEL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "log-target", required_argument, NULL, ARG_LOG_TARGET },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "log-color", optional_argument, NULL, ARG_LOG_COLOR },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "unit", required_argument, NULL, ARG_UNIT },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "system", no_argument, NULL, ARG_SYSTEM },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "user", no_argument, NULL, ARG_USER },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "test", no_argument, NULL, ARG_TEST },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "help", no_argument, NULL, 'h' },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "dump-core", optional_argument, NULL, ARG_DUMP_CORE },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#ifdef HAVE_SYSV_COMPAT
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#endif
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "deserialize", required_argument, NULL, ARG_DESERIALIZE },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "introspect", optional_argument, NULL, ARG_INTROSPECT },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, },
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering { NULL, 0, NULL, 0 }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering };
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering int c, r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(argc >= 1);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(argv);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (getpid() == 1)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering opterr = 0;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering switch (c) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case ARG_LOG_LEVEL:
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = log_set_max_level_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse log level %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case ARG_LOG_TARGET:
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = log_set_target_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse log target %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case ARG_LOG_COLOR:
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (optarg) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = log_show_color_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse log color setting %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_show_color(true);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case ARG_LOG_LOCATION:
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (optarg) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = log_show_location_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse log location setting %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_show_location(true);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case ARG_DEFAULT_STD_OUTPUT:
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = exec_output_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse default standard output setting %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering } else
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering arg_default_std_output = r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering break;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering case ARG_DEFAULT_STD_ERROR:
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if ((r = exec_output_from_string(optarg)) < 0) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to parse default standard error output setting %s.", optarg);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;
091a364c802e34a58f3260c9cb5db9b75c62215cTom Gundersen } else
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering arg_default_std_error = r;
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering break;
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering case ARG_UNIT:
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering if ((r = set_default_unit(optarg)) < 0) {
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering return r;
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering }
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering break;
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering case ARG_SYSTEM:
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering arg_running_as = MANAGER_SYSTEM;
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering break;
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering case ARG_USER:
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering arg_running_as = MANAGER_USER;
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering break;
e1c959948c0e31d6997bcdfbabfbd077784b2baeLennart Poettering
case ARG_TEST:
arg_action = ACTION_TEST;
break;
case ARG_DUMP_CONFIGURATION_ITEMS:
arg_action = ACTION_DUMP_CONFIGURATION_ITEMS;
break;
case ARG_DUMP_CORE:
r = optarg ? parse_boolean(optarg) : 1;
if (r < 0) {
log_error("Failed to parse dump core boolean %s.", optarg);
return r;
}
arg_dump_core = r;
break;
case ARG_CRASH_SHELL:
r = optarg ? parse_boolean(optarg) : 1;
if (r < 0) {
log_error("Failed to parse crash shell boolean %s.", optarg);
return r;
}
arg_crash_shell = r;
break;
case ARG_CONFIRM_SPAWN:
r = optarg ? parse_boolean(optarg) : 1;
if (r < 0) {
log_error("Failed to parse confirm spawn boolean %s.", optarg);
return r;
}
arg_confirm_spawn = r;
break;
case ARG_SHOW_STATUS:
r = optarg ? parse_boolean(optarg) : 1;
if (r < 0) {
log_error("Failed to parse show status boolean %s.", optarg);
return r;
}
arg_show_status = r;
break;
#ifdef HAVE_SYSV_COMPAT
case ARG_SYSV_CONSOLE:
r = optarg ? parse_boolean(optarg) : 1;
if (r < 0) {
log_error("Failed to parse SysV console boolean %s.", optarg);
return r;
}
arg_sysv_console = r;
break;
#endif
case ARG_DESERIALIZE: {
int fd;
FILE *f;
if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) {
log_error("Failed to parse deserialize option %s.", optarg);
return r;
}
if (!(f = fdopen(fd, "r"))) {
log_error("Failed to open serialization fd: %m");
return r;
}
if (serialization)
fclose(serialization);
serialization = f;
break;
}
case ARG_SWITCHED_ROOT:
arg_switched_root = true;
break;
case ARG_INTROSPECT: {
const char * const * i = NULL;
for (i = bus_interface_table; *i; i += 2)
if (!optarg || streq(i[0], optarg)) {
fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
"<node>\n", stdout);
fputs(i[1], stdout);
fputs("</node>\n", stdout);
if (optarg)
break;
}
if (!i[0] && optarg)
log_error("Unknown interface %s.", optarg);
arg_action = ACTION_DONE;
break;
}
case 'h':
arg_action = ACTION_HELP;
break;
case 'D':
log_set_max_level(LOG_DEBUG);
break;
case 'b':
case 's':
case 'z':
/* Just to eat away the sysvinit kernel
* cmdline args without getopt() error
* messages that we'll parse in
* parse_proc_cmdline_word() or ignore. */
case '?':
default:
if (getpid() != 1) {
log_error("Unknown option code %c", c);
return -EINVAL;
}
break;
}
if (optind < argc && getpid() != 1) {
/* Hmm, when we aren't run as init system
* let's complain about excess arguments */
log_error("Excess arguments.");
return -EINVAL;
}
if (detect_container(NULL) > 0) {
char **a;
/* All /proc/cmdline arguments the kernel didn't
* understand it passed to us. We're not really
* interested in that usually since /proc/cmdline is
* more interesting and complete. With one exception:
* if we are run in a container /proc/cmdline is not
* relevant for the container, hence we rely on argv[]
* instead. */
for (a = argv; a < argv + argc; a++)
if ((r = parse_proc_cmdline_word(*a)) < 0)
return r;
}
return 0;
}
static int help(void) {
printf("%s [OPTIONS...]\n\n"
"Starts up and maintains the system or user services.\n\n"
" -h --help Show this help\n"
" --test Determine startup sequence, dump it and exit\n"
" --dump-configuration-items Dump understood unit configuration items\n"
" --introspect[=INTERFACE] Extract D-Bus interface data\n"
" --unit=UNIT Set default unit\n"
" --system Run a system instance, even if PID != 1\n"
" --user Run a user instance\n"
" --dump-core[=0|1] Dump core on crash\n"
" --crash-shell[=0|1] Run shell on crash\n"
" --confirm-spawn[=0|1] Ask for confirmation when spawning processes\n"
" --show-status[=0|1] Show status updates on the console during bootup\n"
#ifdef HAVE_SYSV_COMPAT
" --sysv-console[=0|1] Connect output of SysV scripts to console\n"
#endif
" --log-target=TARGET Set log target (console, journal, syslog, kmsg, journal-or-kmsg, syslog-or-kmsg, null)\n"
" --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n"
" --log-color[=0|1] Highlight important log messages\n"
" --log-location[=0|1] Include code location in log messages\n"
" --default-standard-output= Set default standard output for services\n"
" --default-standard-error= Set default standard error output for services\n",
program_invocation_short_name);
return 0;
}
static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) {
FILE *f = NULL;
FDSet *fds = NULL;
int r;
assert(m);
assert(_f);
assert(_fds);
/* Make sure nothing is really destructed when we shut down */
m->n_reloading ++;
if ((r = manager_open_serialization(m, &f)) < 0) {
log_error("Failed to create serialization file: %s", strerror(-r));
goto fail;
}
if (!(fds = fdset_new())) {
r = -ENOMEM;
log_error("Failed to allocate fd set: %s", strerror(-r));
goto fail;
}
if ((r = manager_serialize(m, f, fds)) < 0) {
log_error("Failed to serialize state: %s", strerror(-r));
goto fail;
}
if (fseeko(f, 0, SEEK_SET) < 0) {
log_error("Failed to rewind serialization fd: %m");
goto fail;
}
if ((r = fd_cloexec(fileno(f), false)) < 0) {
log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r));
goto fail;
}
if ((r = fdset_cloexec(fds, false)) < 0) {
log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r));
goto fail;
}
*_f = f;
*_fds = fds;
return 0;
fail:
fdset_free(fds);
if (f)
fclose(f);
return r;
}
static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) {
const char *e;
unsigned long long a, b;
assert(t);
e = getenv("RD_TIMESTAMP");
if (!e)
return NULL;
if (sscanf(e, "%llu %llu", &a, &b) != 2)
return NULL;
t->realtime = (usec_t) a;
t->monotonic = (usec_t) b;
return t;
}
static void test_mtab(void) {
char *p;
/* Check that /etc/mtab is a symlink */
if (readlink_malloc("/etc/mtab", &p) >= 0) {
bool b;
b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts");
free(p);
if (b)
return;
}
log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
"This is not supported anymore. "
"Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output.");
}
static void test_usr(void) {
/* Check that /usr is not a separate fs */
if (dir_is_empty("/usr") <= 0)
return;
log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. "
"Some things will probably break (sometimes even silently) in mysterious ways. "
"Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
}
static void test_cgroups(void) {
if (access("/proc/cgroups", F_OK) >= 0)
return;
log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. "
"Systems without control groups are not supported. "
"We will now sleep for 10s, and then continue boot-up. "
"Expect breakage and please do not file bugs. "
"Instead fix your kernel and enable CONFIG_CGROUPS. "
"Consult http://0pointer.de/blog/projects/cgroups-vs-cgroups.html for more information.");
sleep(10);
}
int main(int argc, char *argv[]) {
Manager *m = NULL;
int r, retval = EXIT_FAILURE;
usec_t before_startup, after_startup;
char timespan[FORMAT_TIMESPAN_MAX];
FDSet *fds = NULL;
bool reexecute = false;
const char *shutdown_verb = NULL;
dual_timestamp initrd_timestamp = { 0ULL, 0ULL };
static char systemd[] = "systemd";
bool skip_setup = false;
int j;
bool loaded_policy = false;
bool arm_reboot_watchdog = false;
bool queue_default_job = false;
char *switch_root_dir = NULL, *switch_root_init = NULL;
#ifdef HAVE_SYSV_COMPAT
if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
/* This is compatibility support for SysV, where
* calling init as a user is identical to telinit. */
errno = -ENOENT;
execv(SYSTEMCTL_BINARY_PATH, argv);
log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
return 1;
}
#endif
/* Determine if this is a reexecution or normal bootup. We do
* the full command line parsing much later, so let's just
* have a quick peek here. */
for (j = 1; j < argc; j++)
if (streq(argv[j], "--deserialize")) {
skip_setup = true;
break;
}
/* If we have switched root, do all the special setup
* things */
for (j = 1; j < argc; j++)
if (streq(argv[j], "--switched-root")) {
skip_setup = false;
break;
}
/* If we get started via the /sbin/init symlink then we are
called 'init'. After a subsequent reexecution we are then
called 'systemd'. That is confusing, hence let's call us
systemd right-away. */
program_invocation_short_name = systemd;
prctl(PR_SET_NAME, systemd);
saved_argv = argv;
saved_argc = argc;
log_show_color(isatty(STDERR_FILENO) > 0);
log_show_location(false);
log_set_max_level(LOG_INFO);
if (getpid() == 1) {
if (in_initrd()) {
char *rd_timestamp = NULL;
dual_timestamp_get(&initrd_timestamp);
asprintf(&rd_timestamp, "%llu %llu",
(unsigned long long) initrd_timestamp.realtime,
(unsigned long long) initrd_timestamp.monotonic);
if (rd_timestamp) {
setenv("RD_TIMESTAMP", rd_timestamp, 1);
free(rd_timestamp);
}
}
arg_running_as = MANAGER_SYSTEM;
log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_JOURNAL : LOG_TARGET_JOURNAL_OR_KMSG);
if (!skip_setup) {
if (selinux_setup(&loaded_policy) < 0)
goto finish;
if (ima_setup() < 0)
goto finish;
}
log_open();
if (label_init(NULL) < 0)
goto finish;
if (!skip_setup)
if (hwclock_is_localtime() > 0) {
int min;
r = hwclock_apply_localtime_delta(&min);
if (r < 0)
log_error("Failed to apply local time delta, ignoring: %s", strerror(-r));
else
log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min);
}
} else {
arg_running_as = MANAGER_USER;
log_set_target(LOG_TARGET_AUTO);
log_open();
}
/* Initialize default unit */
if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0)
goto finish;
/* By default, mount "cpu" and "cpuacct" together */
arg_join_controllers = new(char**, 2);
if (!arg_join_controllers)
goto finish;
arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL);
arg_join_controllers[1] = NULL;
if (!arg_join_controllers[0])
goto finish;
/* Mount /proc, /sys and friends, so that /proc/cmdline and
* /proc/$PID/fd is available. */
if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) {
r = mount_setup(loaded_policy);
if (r < 0)
goto finish;
}
/* Reset all signal handlers. */
assert_se(reset_all_signal_handlers() == 0);
/* If we are init, we can block sigkill. Yay. */
ignore_signals(SIGNALS_IGNORE, -1);
if (parse_config_file() < 0)
goto finish;
if (arg_running_as == MANAGER_SYSTEM)
if (parse_proc_cmdline() < 0)
goto finish;
log_parse_environment();
if (parse_argv(argc, argv) < 0)
goto finish;
if (arg_action == ACTION_TEST && geteuid() == 0) {
log_error("Don't run test mode as root.");
goto finish;
}
if (arg_running_as == MANAGER_SYSTEM &&
arg_action == ACTION_RUN &&
running_in_chroot() > 0) {
log_error("Cannot be run in a chroot() environment.");
goto finish;
}
if (arg_action == ACTION_HELP) {
retval = help();
goto finish;
} else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) {
unit_dump_config_items(stdout);
retval = EXIT_SUCCESS;
goto finish;
} else if (arg_action == ACTION_DONE) {
retval = EXIT_SUCCESS;
goto finish;
}
assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST);
/* Close logging fds, in order not to confuse fdset below */
log_close();
/* Remember open file descriptors for later deserialization */
if (serialization) {
r = fdset_new_fill(&fds);
if (r < 0) {
log_error("Failed to allocate fd set: %s", strerror(-r));
goto finish;
}
assert_se(fdset_remove(fds, fileno(serialization)) >= 0);
} else
close_all_fds(NULL, 0);
/* Set up PATH unless it is already set */
setenv("PATH",
#ifdef HAVE_SPLIT_USR
"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
#else
"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin",
#endif
arg_running_as == MANAGER_SYSTEM);
if (arg_running_as == MANAGER_SYSTEM) {
/* Parse the data passed to us. We leave this
* variables set, but the manager later on will not
* pass them on to our children. */
if (!in_initrd())
parse_initrd_timestamp(&initrd_timestamp);
/* Unset some environment variables passed in from the
* kernel that don't really make sense for us. */
unsetenv("HOME");
unsetenv("TERM");
/* When we are invoked by a shell, these might be set,
* but make little sense to pass on */
unsetenv("PWD");
unsetenv("SHLVL");
unsetenv("_");
/* When we are invoked by a chroot-like tool such as
* nspawn, these might be set, but make little sense
* to pass on */
unsetenv("USER");
unsetenv("LOGNAME");
/* All other variables are left as is, so that clients
* can still read them via /proc/1/environ */
}
/* Move out of the way, so that we won't block unmounts */
assert_se(chdir("/") == 0);
if (arg_running_as == MANAGER_SYSTEM) {
/* Become a session leader if we aren't one yet. */
setsid();
/* Disable the umask logic */
umask(0);
}
/* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */
dbus_connection_set_change_sigpipe(FALSE);
/* Reset the console, but only if this is really init and we
* are freshly booted */
if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) {
console_setup(getpid() == 1 && !skip_setup);
make_null_stdio();
}
/* Open the logging devices, if possible and necessary */
log_open();
/* Make sure we leave a core dump without panicing the
* kernel. */
if (getpid() == 1)
install_crash_handler();
if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) {
r = mount_cgroup_controllers(arg_join_controllers);
if (r < 0)
goto finish;
}
log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG,
PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as));
if (arg_running_as == MANAGER_SYSTEM && !skip_setup) {
locale_setup();
if (arg_show_status || plymouth_running())
status_welcome();
kmod_setup();
hostname_setup();
machine_id_setup();
loopback_setup();
test_mtab();
test_usr();
test_cgroups();
}
if (arg_running_as == MANAGER_SYSTEM && arg_runtime_watchdog > 0)
watchdog_set_timeout(&arg_runtime_watchdog);
if (arg_capability_bounding_set_drop) {
r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true);
if (r < 0) {
log_error("Failed to drop capability bounding set: %s", strerror(-r));
goto finish;
}
r = capability_bounding_set_drop_usermode(arg_capability_bounding_set_drop);
if (r < 0) {
log_error("Failed to drop capability bounding set of usermode helpers: %s", strerror(-r));
goto finish;
}
}
r = manager_new(arg_running_as, &m);
if (r < 0) {
log_error("Failed to allocate manager object: %s", strerror(-r));
goto finish;
}
m->confirm_spawn = arg_confirm_spawn;
#ifdef HAVE_SYSV_COMPAT
m->sysv_console = arg_sysv_console;
#endif
m->default_std_output = arg_default_std_output;
m->default_std_error = arg_default_std_error;
m->runtime_watchdog = arg_runtime_watchdog;
m->shutdown_watchdog = arg_shutdown_watchdog;
manager_set_default_rlimits(m, arg_default_rlimit);
if (dual_timestamp_is_set(&initrd_timestamp))
m->initrd_timestamp = initrd_timestamp;
if (arg_default_controllers)
manager_set_default_controllers(m, arg_default_controllers);
manager_set_show_status(m, arg_show_status);
/* Remember whether we should queue the default job */
queue_default_job = !serialization || arg_switched_root;
before_startup = now(CLOCK_MONOTONIC);
r = manager_startup(m, serialization, fds);
if (r < 0)
log_error("Failed to fully start up daemon: %s", strerror(-r));
/* This will close all file descriptors that were opened, but
* not claimed by any unit. */
if (fds) {
fdset_free(fds);
fds = NULL;
}
if (serialization) {
fclose(serialization);
serialization = NULL;
}
if (queue_default_job) {
DBusError error;
Unit *target = NULL;
Job *default_unit_job;
dbus_error_init(&error);
log_debug("Activating default unit: %s", arg_default_unit);
r = manager_load_unit(m, arg_default_unit, NULL, &error, &target);
if (r < 0) {
log_error("Failed to load default target: %s", bus_error(&error, r));
dbus_error_free(&error);
} else if (target->load_state == UNIT_ERROR)
log_error("Failed to load default target: %s", strerror(-target->load_error));
else if (target->load_state == UNIT_MASKED)
log_error("Default target masked.");
if (!target || target->load_state != UNIT_LOADED) {
log_info("Trying to load rescue target...");
r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target);
if (r < 0) {
log_error("Failed to load rescue target: %s", bus_error(&error, r));
dbus_error_free(&error);
goto finish;
} else if (target->load_state == UNIT_ERROR) {
log_error("Failed to load rescue target: %s", strerror(-target->load_error));
goto finish;
} else if (target->load_state == UNIT_MASKED) {
log_error("Rescue target masked.");
goto finish;
}
}
assert(target->load_state == UNIT_LOADED);
if (arg_action == ACTION_TEST) {
printf("-> By units:\n");
manager_dump_units(m, stdout, "\t");
}
r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job);
if (r < 0) {
log_error("Failed to start default target: %s", bus_error(&error, r));
dbus_error_free(&error);
goto finish;
}
m->default_unit_job_id = default_unit_job->id;
after_startup = now(CLOCK_MONOTONIC);
log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG,
"Loaded units and determined initial transaction in %s.",
format_timespan(timespan, sizeof(timespan), after_startup - before_startup));
if (arg_action == ACTION_TEST) {
printf("-> By jobs:\n");
manager_dump_jobs(m, stdout, "\t");
retval = EXIT_SUCCESS;
goto finish;
}
}
for (;;) {
r = manager_loop(m);
if (r < 0) {
log_error("Failed to run mainloop: %s", strerror(-r));
goto finish;
}
switch (m->exit_code) {
case MANAGER_EXIT:
retval = EXIT_SUCCESS;
log_debug("Exit.");
goto finish;
case MANAGER_RELOAD:
log_info("Reloading.");
r = manager_reload(m);
if (r < 0)
log_error("Failed to reload: %s", strerror(-r));
break;
case MANAGER_REEXECUTE:
if (prepare_reexecute(m, &serialization, &fds) < 0)
goto finish;
reexecute = true;
log_notice("Reexecuting.");
goto finish;
case MANAGER_SWITCH_ROOT:
/* Steal the switch root parameters */
switch_root_dir = m->switch_root;
switch_root_init = m->switch_root_init;
m->switch_root = m->switch_root_init = NULL;
if (!switch_root_init)
if (prepare_reexecute(m, &serialization, &fds) < 0)
goto finish;
reexecute = true;
log_notice("Switching root.");
goto finish;
case MANAGER_REBOOT:
case MANAGER_POWEROFF:
case MANAGER_HALT:
case MANAGER_KEXEC: {
static const char * const table[_MANAGER_EXIT_CODE_MAX] = {
[MANAGER_REBOOT] = "reboot",
[MANAGER_POWEROFF] = "poweroff",
[MANAGER_HALT] = "halt",
[MANAGER_KEXEC] = "kexec"
};
assert_se(shutdown_verb = table[m->exit_code]);
arm_reboot_watchdog = m->exit_code == MANAGER_REBOOT;
log_notice("Shutting down.");
goto finish;
}
default:
assert_not_reached("Unknown exit code.");
}
}
finish:
if (m)
manager_free(m);
for (j = 0; j < RLIMIT_NLIMITS; j++)
free (arg_default_rlimit[j]);
free(arg_default_unit);
strv_free(arg_default_controllers);
free_join_controllers();
dbus_shutdown();
label_finish();
if (reexecute) {
const char **args;
unsigned i, args_size;
/* Close and disarm the watchdog, so that the new
* instance can reinitialize it, but doesn't get
* rebooted while we do that */
watchdog_close(true);
if (switch_root_dir) {
r = switch_root(switch_root_dir);
if (r < 0)
log_error("Failed to switch root, ignoring: %s", strerror(-r));
}
args_size = MAX(6, argc+1);
args = newa(const char*, args_size);
if (!switch_root_init) {
char sfd[16];
/* First try to spawn ourselves with the right
* path, and with full serialization. We do
* this only if the user didn't specify an
* explicit init to spawn. */
assert(serialization);
assert(fds);
snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
char_array_0(sfd);
i = 0;
args[i++] = SYSTEMD_BINARY_PATH;
if (switch_root_dir)
args[i++] = "--switched-root";
args[i++] = arg_running_as == MANAGER_SYSTEM ? "--system" : "--user";
args[i++] = "--deserialize";
args[i++] = sfd;
args[i++] = NULL;
assert(i <= args_size);
execv(args[0], (char* const*) args);
}
/* Try the fallback, if there is any, without any
* serialization. We pass the original argv[] and
* envp[]. (Well, modulo the ordering changes due to
* getopt() in argv[], and some cleanups in envp[],
* but let's hope that doesn't matter.) */
if (serialization) {
fclose(serialization);
serialization = NULL;
}
if (fds) {
fdset_free(fds);
fds = NULL;
}
for (j = 1, i = 1; j < argc; j++)
args[i++] = argv[j];
args[i++] = NULL;
assert(i <= args_size);
if (switch_root_init) {
args[0] = switch_root_init;
execv(args[0], (char* const*) args);
log_warning("Failed to execute configured init, trying fallback: %m");
}
args[0] = "/sbin/init";
execv(args[0], (char* const*) args);
if (errno == ENOENT) {
log_warning("No /sbin/init, trying fallback");
args[0] = "/bin/sh";
args[1] = NULL;
execv(args[0], (char* const*) args);
log_error("Failed to execute /bin/sh, giving up: %m");
} else
log_warning("Failed to execute /sbin/init, giving up: %m");
}
if (serialization)
fclose(serialization);
if (fds)
fdset_free(fds);
if (shutdown_verb) {
const char * command_line[] = {
SYSTEMD_SHUTDOWN_BINARY_PATH,
shutdown_verb,
NULL
};
char **env_block;
if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) {
char e[32];
/* If we reboot let's set the shutdown
* watchdog and tell the shutdown binary to
* repeatedly ping it */
watchdog_set_timeout(&arg_shutdown_watchdog);
watchdog_close(false);
/* Tell the binary how often to ping */
snprintf(e, sizeof(e), "WATCHDOG_USEC=%llu", (unsigned long long) arg_shutdown_watchdog);
char_array_0(e);
env_block = strv_append(environ, e);
} else {
env_block = strv_copy(environ);
watchdog_close(true);
}
execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
free(env_block);
log_error("Failed to execute shutdown binary, freezing: %m");
}
if (getpid() == 1)
freeze();
return retval;
}