main.c revision 9a0549093332880df47c4218209ce126b8586835
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek/***
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen This file is part of systemd.
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen Copyright 2010 Lennart Poettering
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen systemd is free software; you can redistribute it and/or modify it
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen under the terms of the GNU Lesser General Public License as published by
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen the Free Software Foundation; either version 2.1 of the License, or
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen (at your option) any later version.
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen systemd is distributed in the hope that it will be useful, but
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen WITHOUT ANY WARRANTY; without even the implied warranty of
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen Lesser General Public License for more details.
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen You should have received a copy of the GNU Lesser General Public License
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen along with systemd; If not, see <http://www.gnu.org/licenses/>.
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen***/
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen#include <stdio.h>
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen#include <errno.h>
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen#include <string.h>
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen#include <unistd.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <sys/types.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <sys/stat.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <getopt.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <signal.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <sys/wait.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <fcntl.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <sys/prctl.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <sys/mount.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#ifdef HAVE_VALGRIND_VALGRIND_H
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <valgrind/valgrind.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#endif
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#ifdef HAVE_SECCOMP
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include <seccomp.h>
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#endif
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "sd-daemon.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "sd-messages.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "sd-bus.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "manager.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "log.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "load-fragment.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "fdset.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "special.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "conf-parser.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "missing.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "label.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "build.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "strv.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "def.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "virt.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "architecture.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "watchdog.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "path-util.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "switch-root.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "capability.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "killall.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "env-util.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "hwclock.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "fileio.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "dbus-manager.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "bus-error.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "bus-util.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "mount-setup.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "loopback-setup.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "hostname-setup.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "machine-id-setup.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "selinux-setup.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "ima-setup.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "smack-setup.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#ifdef HAVE_KMOD
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#include "kmod-setup.h"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#endif
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic enum {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek ACTION_RUN,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek ACTION_HELP,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek ACTION_VERSION,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek ACTION_TEST,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek ACTION_DUMP_CONFIGURATION_ITEMS,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek ACTION_DONE
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek} arg_action = ACTION_RUN;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char *arg_default_unit = NULL;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic SystemdRunningAs arg_running_as = _SYSTEMD_RUNNING_AS_INVALID;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic bool arg_dump_core = true;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic bool arg_crash_shell = false;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int arg_crash_chvt = -1;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic bool arg_confirm_spawn = false;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic ShowStatus arg_show_status = _SHOW_STATUS_UNSET;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic bool arg_switched_root = false;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char ***arg_join_controllers = NULL;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic usec_t arg_default_restart_usec = DEFAULT_RESTART_USEC;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic usec_t arg_default_timeout_start_usec = DEFAULT_TIMEOUT_USEC;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic usec_t arg_default_timeout_stop_usec = DEFAULT_TIMEOUT_USEC;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic usec_t arg_default_start_limit_interval = DEFAULT_START_LIMIT_INTERVAL;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic unsigned arg_default_start_limit_burst = DEFAULT_START_LIMIT_BURST;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic usec_t arg_runtime_watchdog = 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic char **arg_default_environment = NULL;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic struct rlimit *arg_default_rlimit[_RLIMIT_MAX] = {};
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic uint64_t arg_capability_bounding_set_drop = 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic nsec_t arg_timer_slack_nsec = (nsec_t) -1;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic usec_t arg_default_timer_accuracy_usec = 1 * USEC_PER_MINUTE;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic Set* arg_syscall_archs = NULL;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic FILE* arg_serialization = NULL;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic bool arg_default_cpu_accounting = false;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic bool arg_default_blockio_accounting = false;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic bool arg_default_memory_accounting = false;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic void nop_handler(int sig) {}
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmeknoreturn static void crash(int sig) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (getpid() != 1)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* Pass this on immediately, if this is not PID 1 */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek raise(sig);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else if (!arg_dump_core)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek struct sigaction sa = {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek .sa_handler = nop_handler,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek .sa_flags = SA_NOCLDSTOP|SA_RESTART,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek };
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek pid_t pid;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* We want to wait for the core process, hence let's enable SIGCHLD */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sigaction(SIGCHLD, &sa, NULL);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek pid = fork();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (pid < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig));
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else if (pid == 0) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek struct rlimit rl = {};
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* Enable default signal handler for core dump */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek zero(sa);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sa.sa_handler = SIG_DFL;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sigaction(sig, &sa, NULL);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* Don't limit the core dump size */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek rl.rlim_cur = RLIM_INFINITY;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek rl.rlim_max = RLIM_INFINITY;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek setrlimit(RLIMIT_CORE, &rl);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* Just to be sure... */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek chdir("/");
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* Raise the signal again */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek raise(sig);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert_not_reached("We shouldn't be here...");
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek _exit(1);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek siginfo_t status;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* Order things nicely. */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = wait_for_terminate(pid, &status);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r));
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else if (status.si_code != CLD_DUMPED)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (arg_crash_chvt)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek chvt(arg_crash_chvt);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (arg_crash_shell) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek struct sigaction sa = {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek .sa_handler = SIG_IGN,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek .sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek };
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek pid_t pid;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_info("Executing crash shell in 10s...");
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sleep(10);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* Let the kernel reap children for us */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek pid = fork();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (pid < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to fork off crash shell: %m");
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else if (pid == 0) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek make_console_stdio();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek execl("/bin/sh", "/bin/sh", NULL);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("execl() failed: %m");
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek _exit(1);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_info("Successfully spawned crash shell as pid "PID_FMT".", pid);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_info("Freezing execution.");
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek freeze();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic void install_crash_handler(void) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek struct sigaction sa = {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek .sa_handler = crash,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek .sa_flags = SA_NODEFER,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek };
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int console_setup(bool do_reset) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int tty_fd, r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* If we are init, we connect stdin/stdout/stderr to /dev/null
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek * and make sure we don't have a controlling tty. */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek release_terminal();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!do_reset)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (tty_fd < 0) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to open /dev/console: %s", strerror(-tty_fd));
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return -tty_fd;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* We don't want to force text mode.
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek * plymouth may be showing pictures already from initrd. */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = reset_terminal_fd(tty_fd, false);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_error("Failed to reset /dev/console: %s", strerror(-r));
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek safe_close(tty_fd);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int set_default_unit(const char *u) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char *c;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(u);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek c = strdup(u);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!c)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return -ENOMEM;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek free(arg_default_unit);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_default_unit = c;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int parse_proc_cmdline_item(const char *key, const char *value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek static const char * const rlmap[] = {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "emergency", SPECIAL_EMERGENCY_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "-b", SPECIAL_EMERGENCY_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "single", SPECIAL_RESCUE_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "-s", SPECIAL_RESCUE_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "s", SPECIAL_RESCUE_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "S", SPECIAL_RESCUE_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "1", SPECIAL_RESCUE_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "2", SPECIAL_RUNLEVEL2_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "3", SPECIAL_RUNLEVEL3_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "4", SPECIAL_RUNLEVEL4_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "5", SPECIAL_RUNLEVEL5_TARGET,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek };
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(key);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (streq(key, "systemd.unit") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!in_initrd())
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return set_default_unit(value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "rd.systemd.unit") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return set_default_unit(value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.log_target") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (log_set_target_from_string(value) < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse log target %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.log_level") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (log_set_max_level_from_string(value) < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse log level %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.log_color") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (log_show_color_from_string(value) < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse log color setting %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.log_location") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (log_show_location_from_string(value) < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse log location setting %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.dump_core") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = parse_boolean(value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse dump core switch %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_dump_core = r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.crash_shell") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = parse_boolean(value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse crash shell switch %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_crash_shell = r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.crash_chvt") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (safe_atoi(value, &r) < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse crash chvt switch %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_crash_chvt = r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.confirm_spawn") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = parse_boolean(value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse confirm spawn switch %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_confirm_spawn = r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.show_status") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = parse_show_status(value, &arg_show_status);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse show status switch %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.default_standard_output") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = exec_output_from_string(value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse default standard output switch %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_default_std_output = r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.default_standard_error") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = exec_output_from_string(value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Failed to parse default standard error switch %s. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_default_std_error = r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "systemd.setenv") && value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (env_assignment_is_valid(value)) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char **env;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek env = strv_env_set(arg_default_environment, value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (env)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_default_environment = env;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek else
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Setting environment variable '%s' failed, ignoring: %s", value, strerror(ENOMEM));
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Environment variable name '%s' is not valid. Ignoring.", value);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (!streq(key, "systemd.restore_state") &&
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek !streq(key, "systemd.gpt_auto") &&
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek (startswith(key, "systemd.") || startswith(key, "rd.systemd."))) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *c;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* Ignore systemd.journald.xyz and friends */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek c = key;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (startswith(c, "rd."))
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek c += 3;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (startswith(c, "systemd."))
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek c += 8;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (c[strcspn(c, ".=")] != '.') {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning("Unknown kernel switch %s. Ignoring.", key);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_info("Supported kernel switches:\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.unit=UNIT Default unit to start\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "rd.systemd.unit=UNIT Default unit to start when run in initrd\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.dump_core=0|1 Dump core on crash\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.crash_shell=0|1 Run shell on crash\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.crash_chvt=N Change to VT #N on crash\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.show_status=0|1|auto Show status updates on the console during bootup\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek " Log target\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.log_level=LEVEL Log level\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.log_color=0|1 Highlight important log messages\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.log_location=0|1 Include code location in log messages\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek " Set default log output for services\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek " Set default log error output for services\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.setenv=ASSIGNMENT Set an environment variable for all spawned processes\n"
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "systemd.restore_state=0|1 Restore backlight/rfkill state at boot\n");
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "quiet") && !value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (arg_show_status == _SHOW_STATUS_UNSET)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_show_status = SHOW_STATUS_AUTO;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (streq(key, "debug") && !value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_set_max_level(LOG_DEBUG);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (detect_container(NULL) > 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_set_target(LOG_TARGET_CONSOLE);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else if (!in_initrd() && !value) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned i;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek /* SysV compatibility */
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (streq(key, rlmap[i]))
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return set_default_unit(rlmap[i+1]);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#define DEFINE_SETTER(name, func, descr) \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek static int name(const char *unit, \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *filename, \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned line, \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *section, \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned section_line, \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *lvalue, \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int ltype, \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *rvalue, \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *data, \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *userdata) { \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r; \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(filename); \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(lvalue); \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(rvalue); \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = func(rvalue); \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0) \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_syntax(unit, LOG_ERR, filename, line, -r, \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "Invalid " descr "'%s': %s", \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek rvalue, strerror(-r)); \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0; \
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-SzmekDEFINE_SETTER(config_parse_level2, log_set_max_level_from_string, "log level")
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-SzmekDEFINE_SETTER(config_parse_target, log_set_target_from_string, "target")
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-SzmekDEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" )
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-SzmekDEFINE_SETTER(config_parse_location, log_show_location_from_string, "location")
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int config_parse_cpu_affinity2(
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *unit,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *filename,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned line,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *section,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned section_line,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *lvalue,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int ltype,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *rvalue,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *data,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *userdata) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char *w;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek size_t l;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char *state;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek cpu_set_t *c = NULL;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned ncpus = 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(filename);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(lvalue);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(rvalue);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek FOREACH_WORD_QUOTED(w, l, rvalue, state) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char *t;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int r;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned cpu;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!(t = strndup(w, l)))
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek r = safe_atou(t, &cpu);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek free(t);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!c)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!(c = cpu_set_malloc(&ncpus)))
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (r < 0 || cpu >= ncpus) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_syntax(unit, LOG_ERR, filename, line, -r,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "Failed to parse CPU affinity '%s'", rvalue);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek CPU_FREE(c);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return -EBADMSG;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (c) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_warning_unit(unit, "Failed to set CPU affinity: %m");
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek CPU_FREE(c);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int config_parse_show_status(
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char* unit,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *filename,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned line,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *section,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned section_line,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *lvalue,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int ltype,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *rvalue,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *data,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *userdata) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int k;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek ShowStatus *b = data;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(filename);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(lvalue);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(rvalue);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(data);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek k = parse_show_status(rvalue, b);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (k < 0) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek log_syntax(unit, LOG_ERR, filename, line, -k,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek "Failed to parse show status setting, ignoring: %s", rvalue);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic void strv_free_free(char ***l) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char ***i;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!l)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek for (i = l; *i; i++)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek strv_free(*i);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek free(l);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic void free_join_controllers(void) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek strv_free_free(arg_join_controllers);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_join_controllers = NULL;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmekstatic int config_parse_join_controllers(const char *unit,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *filename,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned line,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *section,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned section_line,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *lvalue,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek int ltype,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek const char *rvalue,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *data,
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek void *userdata) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek unsigned n = 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char *state, *w;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek size_t length;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(filename);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(lvalue);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek assert(rvalue);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek free_join_controllers();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek FOREACH_WORD_QUOTED(w, length, rvalue, state) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char *s, **l;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek s = strndup(w, length);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!s)
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek l = strv_split(s, ",");
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek free(s);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek strv_uniq(l);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (strv_length(l) <= 1) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek strv_free(l);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek continue;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!arg_join_controllers) {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_join_controllers = new(char**, 2);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek if (!arg_join_controllers) {
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen strv_free(l);
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen return log_oom();
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen }
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen arg_join_controllers[0] = l;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_join_controllers[1] = NULL;
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek n = 1;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else {
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen char ***a;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char ***t;
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen t = new0(char**, n+2);
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen if (!t) {
b85595b511d3d9f67940f7de0265fb78d672fe81Hong Shick Pak strv_free(l);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek return log_oom();
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek n = 0;
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek for (a = arg_join_controllers; *a; a++) {
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma if (strv_overlap(*a, l)) {
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma if (strv_extend_strv(&l, *a) < 0) {
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma strv_free(l);
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma strv_free_free(t);
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma return log_oom();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek } else {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek char **c;
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek c = strv_copy(*a);
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma if (!c) {
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma strv_free(l);
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma strv_free_free(t);
f47c5c47d1a7bcfa1842ff7cc52b1f7fc1d86bcfpoma return log_oom();
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek t[n++] = c;
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen t[n++] = strv_uniq(l);
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen strv_free_free(arg_join_controllers);
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek arg_join_controllers = t;
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek }
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen return 0;
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek}
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersenstatic int parse_config_file(void) {
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen const ConfigTableItem items[] = {
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "LogLevel", config_parse_level2, 0, NULL },
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "LogTarget", config_parse_target, 0, NULL },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "LogColor", config_parse_color, 0, NULL },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "LogLocation", config_parse_location, 0, NULL },
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status },
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog },
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#ifdef HAVE_SECCOMP
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "SystemCallArchitectures", config_parse_syscall_archs, 0, &arg_syscall_archs },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek#endif
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec },
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "DefaultTimerAccuracySec", config_parse_sec, 0, &arg_default_timer_accuracy_usec },
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
0a8a0fad010018be0f46d1c2e077ade0eb27c7dbTom Gundersen { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU] },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA] },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK] },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE] },
798d3a524ea57aaf40cb53858aaa45ec702f012dZbigniew Jędrzejewski-Szmek { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS] },
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE] },
eac684ef1c29684b1bcd27a89c38c202e568e469Tom Gundersen { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS] },
{ "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC] },
{ "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] },
{ "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS] },
{ "Manager", "DefaultLimitSIGPENDING", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING] },
{ "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] },
{ "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE] },
{ "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO] },
{ "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME] },
{ "Manager", "DefaultCPUAccounting", config_parse_bool, 0, &arg_default_cpu_accounting },
{ "Manager", "DefaultBlockIOAccounting", config_parse_bool, 0, &arg_default_blockio_accounting },
{ "Manager", "DefaultMemoryAccounting", config_parse_bool, 0, &arg_default_memory_accounting },
{}
};
_cleanup_fclose_ FILE *f;
const char *fn;
int r;
fn = arg_running_as == SYSTEMD_SYSTEM ? PKGSYSCONFDIR "/system.conf" : PKGSYSCONFDIR "/user.conf";
f = fopen(fn, "re");
if (!f) {
if (errno == ENOENT)
return 0;
log_warning("Failed to open configuration file '%s': %m", fn);
return 0;
}
r = config_parse(NULL, fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, false, NULL);
if (r < 0)
log_warning("Failed to parse configuration file: %s", strerror(-r));
return 0;
}
static int parse_argv(int argc, char *argv[]) {
enum {
ARG_LOG_LEVEL = 0x100,
ARG_LOG_TARGET,
ARG_LOG_COLOR,
ARG_LOG_LOCATION,
ARG_UNIT,
ARG_SYSTEM,
ARG_USER,
ARG_TEST,
ARG_VERSION,
ARG_DUMP_CONFIGURATION_ITEMS,
ARG_DUMP_CORE,
ARG_CRASH_SHELL,
ARG_CONFIRM_SPAWN,
ARG_SHOW_STATUS,
ARG_DESERIALIZE,
ARG_SWITCHED_ROOT,
ARG_DEFAULT_STD_OUTPUT,
ARG_DEFAULT_STD_ERROR
};
static const struct option options[] = {
{ "log-level", required_argument, NULL, ARG_LOG_LEVEL },
{ "log-target", required_argument, NULL, ARG_LOG_TARGET },
{ "log-color", optional_argument, NULL, ARG_LOG_COLOR },
{ "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
{ "unit", required_argument, NULL, ARG_UNIT },
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "user", no_argument, NULL, ARG_USER },
{ "test", no_argument, NULL, ARG_TEST },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
{ "dump-core", optional_argument, NULL, ARG_DUMP_CORE },
{ "crash-shell", optional_argument, NULL, ARG_CRASH_SHELL },
{ "confirm-spawn", optional_argument, NULL, ARG_CONFIRM_SPAWN },
{ "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
{ "deserialize", required_argument, NULL, ARG_DESERIALIZE },
{ "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT },
{ "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, },
{ "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, },
{}
};
int c, r;
assert(argc >= 1);
assert(argv);
if (getpid() == 1)
opterr = 0;
while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0)
switch (c) {
case ARG_LOG_LEVEL:
r = log_set_max_level_from_string(optarg);
if (r < 0) {
log_error("Failed to parse log level %s.", optarg);
return r;
}
break;
case ARG_LOG_TARGET:
r = log_set_target_from_string(optarg);
if (r < 0) {
log_error("Failed to parse log target %s.", optarg);
return r;
}
break;
case ARG_LOG_COLOR:
if (optarg) {
r = log_show_color_from_string(optarg);
if (r < 0) {
log_error("Failed to parse log color setting %s.", optarg);
return r;
}
} else
log_show_color(true);
break;
case ARG_LOG_LOCATION:
if (optarg) {
r = log_show_location_from_string(optarg);
if (r < 0) {
log_error("Failed to parse log location setting %s.", optarg);
return r;
}
} else
log_show_location(true);
break;
case ARG_DEFAULT_STD_OUTPUT:
r = exec_output_from_string(optarg);
if (r < 0) {
log_error("Failed to parse default standard output setting %s.", optarg);
return r;
} else
arg_default_std_output = r;
break;
case ARG_DEFAULT_STD_ERROR:
r = exec_output_from_string(optarg);
if (r < 0) {
log_error("Failed to parse default standard error output setting %s.", optarg);
return r;
} else
arg_default_std_error = r;
break;
case ARG_UNIT:
r = set_default_unit(optarg);
if (r < 0) {
log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
return r;
}
break;
case ARG_SYSTEM:
arg_running_as = SYSTEMD_SYSTEM;
break;
case ARG_USER:
arg_running_as = SYSTEMD_USER;
break;
case ARG_TEST:
arg_action = ACTION_TEST;
break;
case ARG_VERSION:
arg_action = ACTION_VERSION;
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:
if (optarg) {
r = parse_show_status(optarg, &arg_show_status);
if (r < 0) {
log_error("Failed to parse show status boolean %s.", optarg);
return r;
}
} else
arg_show_status = SHOW_STATUS_YES;
break;
case ARG_DESERIALIZE: {
int fd;
FILE *f;
r = safe_atoi(optarg, &fd);
if (r < 0 || fd < 0) {
log_error("Failed to parse deserialize option %s.", optarg);
return r < 0 ? r : -EINVAL;
}
fd_cloexec(fd, true);
f = fdopen(fd, "r");
if (!f) {
log_error("Failed to open serialization fd: %m");
return -errno;
}
if (arg_serialization)
fclose(arg_serialization);
arg_serialization = f;
break;
}
case ARG_SWITCHED_ROOT:
arg_switched_root = true;
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++) {
_cleanup_free_ char *w;
char *value;
w = strdup(*a);
if (!w)
return log_oom();
value = strchr(w, '=');
if (value)
*(value++) = 0;
r = parse_proc_cmdline_item(w, value);
if (r < 0) {
log_error("Failed on cmdline argument %s: %s", *a, strerror(-r));
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"
" --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"
" --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 version(void) {
puts(PACKAGE_STRING);
puts(SYSTEMD_FEATURES);
return 0;
}
static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds, bool switching_root) {
FILE *f = NULL;
FDSet *fds = NULL;
int r;
assert(m);
assert(_f);
assert(_fds);
r = manager_open_serialization(m, &f);
if (r < 0) {
log_error("Failed to create serialization file: %s", strerror(-r));
goto fail;
}
/* Make sure nothing is really destructed when we shut down */
m->n_reloading ++;
bus_manager_send_reloading(m, true);
fds = fdset_new();
if (!fds) {
r = -ENOMEM;
log_error("Failed to allocate fd set: %s", strerror(-r));
goto fail;
}
r = manager_serialize(m, f, fds, switching_root);
if (r < 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;
}
r = fd_cloexec(fileno(f), false);
if (r < 0) {
log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r));
goto fail;
}
r = fdset_cloexec(fds, false);
if (r < 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 int bump_rlimit_nofile(struct rlimit *saved_rlimit) {
struct rlimit nl;
int r;
assert(saved_rlimit);
/* Save the original RLIMIT_NOFILE so that we can reset it
* later when transitioning from the initrd to the main
* systemd or suchlike. */
if (getrlimit(RLIMIT_NOFILE, saved_rlimit) < 0) {
log_error("Reading RLIMIT_NOFILE failed: %m");
return -errno;
}
/* Make sure forked processes get the default kernel setting */
if (!arg_default_rlimit[RLIMIT_NOFILE]) {
struct rlimit *rl;
rl = newdup(struct rlimit, saved_rlimit, 1);
if (!rl)
return log_oom();
arg_default_rlimit[RLIMIT_NOFILE] = rl;
}
/* Bump up the resource limit for ourselves substantially */
nl.rlim_cur = nl.rlim_max = 64*1024;
r = setrlimit_closest(RLIMIT_NOFILE, &nl);
if (r < 0) {
log_error("Setting RLIMIT_NOFILE failed: %s", strerror(-r));
return r;
}
return 0;
}
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 int initialize_join_controllers(void) {
/* By default, mount "cpu" + "cpuacct" together, and "net_cls"
* + "net_prio". We'd like to add "cpuset" to the mix, but
* "cpuset" does't really work for groups with no initialized
* attributes. */
arg_join_controllers = new(char**, 3);
if (!arg_join_controllers)
return -ENOMEM;
arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL);
arg_join_controllers[1] = strv_new("net_cls", "net_prio", NULL);
arg_join_controllers[2] = NULL;
if (!arg_join_controllers[0] || !arg_join_controllers[1]) {
free_join_controllers();
return -ENOMEM;
}
return 0;
}
static int enforce_syscall_archs(Set *archs) {
#ifdef HAVE_SECCOMP
scmp_filter_ctx *seccomp;
Iterator i;
void *id;
int r;
seccomp = seccomp_init(SCMP_ACT_ALLOW);
if (!seccomp)
return log_oom();
SET_FOREACH(id, arg_syscall_archs, i) {
r = seccomp_arch_add(seccomp, PTR_TO_UINT32(id) - 1);
if (r == -EEXIST)
continue;
if (r < 0) {
log_error("Failed to add architecture to seccomp: %s", strerror(-r));
goto finish;
}
}
r = seccomp_attr_set(seccomp, SCMP_FLTATR_CTL_NNP, 0);
if (r < 0) {
log_error("Failed to unset NO_NEW_PRIVS: %s", strerror(-r));
goto finish;
}
r = seccomp_load(seccomp);
if (r < 0)
log_error("Failed to add install architecture seccomp: %s", strerror(-r));
finish:
seccomp_release(seccomp);
return r;
#else
return 0;
#endif
}
static int status_welcome(void) {
_cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL;
int r;
r = parse_env_file("/etc/os-release", NEWLINE,
"PRETTY_NAME", &pretty_name,
"ANSI_COLOR", &ansi_color,
NULL);
if (r < 0 && r != -ENOENT)
log_warning("Failed to read /etc/os-release: %s", strerror(-r));
return status_printf(NULL, false, false,
"\nWelcome to \x1B[%sm%s\x1B[0m!\n",
isempty(ansi_color) ? "1" : ansi_color,
isempty(pretty_name) ? "Linux" : pretty_name);
}
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 };
dual_timestamp userspace_timestamp = { 0ULL, 0ULL };
dual_timestamp kernel_timestamp = { 0ULL, 0ULL };
dual_timestamp security_start_timestamp = { 0ULL, 0ULL };
dual_timestamp security_finish_timestamp = { 0ULL, 0ULL };
static char systemd[] = "systemd";
bool skip_setup = false;
unsigned j;
bool loaded_policy = false;
bool arm_reboot_watchdog = false;
bool queue_default_job = false;
char *switch_root_dir = NULL, *switch_root_init = NULL;
static struct rlimit saved_rlimit_nofile = { 0, 0 };
#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
dual_timestamp_from_monotonic(&kernel_timestamp, 0);
dual_timestamp_get(&userspace_timestamp);
/* 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. */
if (strv_find(argv+1, "--deserialize"))
skip_setup = true;
/* If we have switched root, do all the special setup
* things */
if (strv_find(argv+1, "--switched-root"))
skip_setup = false;
/* 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);
/* Disable the umask logic */
if (getpid() == 1)
umask(0);
if (getpid() == 1 && detect_container(NULL) <= 0) {
/* Running outside of a container as PID 1 */
arg_running_as = SYSTEMD_SYSTEM;
make_null_stdio();
log_set_target(LOG_TARGET_KMSG);
log_open();
if (in_initrd())
initrd_timestamp = userspace_timestamp;
if (!skip_setup) {
mount_setup_early();
dual_timestamp_get(&security_start_timestamp);
if (selinux_setup(&loaded_policy) < 0)
goto finish;
if (ima_setup() < 0)
goto finish;
if (smack_setup(&loaded_policy) < 0)
goto finish;
dual_timestamp_get(&security_finish_timestamp);
}
if (label_init(NULL) < 0)
goto finish;
if (!skip_setup) {
if (hwclock_is_localtime() > 0) {
int min;
/* The first-time call to settimeofday() does a time warp in the kernel */
r = hwclock_set_timezone(&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 if (!in_initrd()) {
/*
* Do dummy first-time call to seal the kernel's time warp magic
*
* Do not call this this from inside the initrd. The initrd might not
* carry /etc/adjtime with LOCAL, but the real system could be set up
* that way. In such case, we need to delay the time-warp or the sealing
* until we reach the real system.
*/
hwclock_reset_timezone();
/* Tell the kernel our timezone */
r = hwclock_set_timezone(NULL);
if (r < 0)
log_error("Failed to set the kernel's timezone, ignoring: %s", strerror(-r));
}
}
/* Set the default for later on, but don't actually
* open the logs like this for now. Note that if we
* are transitioning from the initrd there might still
* be journal fd open, and we shouldn't attempt
* opening that before we parsed /proc/cmdline which
* might redirect output elsewhere. */
log_set_target(LOG_TARGET_JOURNAL_OR_KMSG);
} else if (getpid() == 1) {
/* Running inside a container, as PID 1 */
arg_running_as = SYSTEMD_SYSTEM;
log_set_target(LOG_TARGET_CONSOLE);
log_close_console(); /* force reopen of /dev/console */
log_open();
/* For the later on, see above... */
log_set_target(LOG_TARGET_JOURNAL);
/* clear the kernel timestamp,
* because we are in a container */
kernel_timestamp.monotonic = 0ULL;
kernel_timestamp.realtime = 0ULL;
} else {
/* Running as user instance */
arg_running_as = SYSTEMD_USER;
log_set_target(LOG_TARGET_AUTO);
log_open();
/* clear the kernel timestamp,
* because we are not PID 1 */
kernel_timestamp.monotonic = 0ULL;
kernel_timestamp.realtime = 0ULL;
}
/* Initialize default unit */
r = set_default_unit(SPECIAL_DEFAULT_TARGET);
if (r < 0) {
log_error("Failed to set default unit %s: %s", SPECIAL_DEFAULT_TARGET, strerror(-r));
goto finish;
}
r = initialize_join_controllers();
if (r < 0)
goto finish;
/* Mount /proc, /sys and friends, so that /proc/cmdline and
* /proc/$PID/fd is available. */
if (getpid() == 1) {
r = mount_setup(loaded_policy);
if (r < 0)
goto finish;
}
/* Reset all signal handlers. */
assert_se(reset_all_signal_handlers() == 0);
ignore_signals(SIGNALS_IGNORE, -1);
if (parse_config_file() < 0)
goto finish;
if (arg_running_as == SYSTEMD_SYSTEM)
if (parse_proc_cmdline(parse_proc_cmdline_item) < 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 == SYSTEMD_USER &&
arg_action == ACTION_RUN &&
sd_booted() <= 0) {
log_error("Trying to run as user instance, but the system has not been booted with systemd.");
goto finish;
}
if (arg_running_as == SYSTEMD_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_VERSION) {
retval = version();
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;
}
if (arg_running_as == SYSTEMD_USER &&
!getenv("XDG_RUNTIME_DIR")) {
log_error("Trying to run as user instance, but $XDG_RUNTIME_DIR is not set.");
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 */
r = fdset_new_fill(&fds);
if (r < 0) {
log_error("Failed to allocate fd set: %s", strerror(-r));
goto finish;
} else
fdset_cloexec(fds, true);
if (arg_serialization)
assert_se(fdset_remove(fds, fileno(arg_serialization)) >= 0);
if (arg_running_as == SYSTEMD_SYSTEM)
/* Become a session leader if we aren't one yet. */
setsid();
/* Move out of the way, so that we won't block unmounts */
assert_se(chdir("/") == 0);
/* Reset the console, but only if this is really init and we
* are freshly booted */
if (arg_running_as == SYSTEMD_SYSTEM && arg_action == ACTION_RUN)
console_setup(getpid() == 1 && !skip_setup);
/* Open the logging devices, if possible and necessary */
log_open();
if (arg_show_status == _SHOW_STATUS_UNSET)
arg_show_status = SHOW_STATUS_YES;
/* Make sure we leave a core dump without panicing the
* kernel. */
if (getpid() == 1) {
install_crash_handler();
r = mount_cgroup_controllers(arg_join_controllers);
if (r < 0)
goto finish;
}
if (arg_running_as == SYSTEMD_SYSTEM) {
const char *virtualization = NULL;
log_info(PACKAGE_STRING " running in system mode. (" SYSTEMD_FEATURES ")");
detect_virtualization(&virtualization);
if (virtualization)
log_info("Detected virtualization '%s'.", virtualization);
log_info("Detected architecture '%s'.", architecture_to_string(uname_architecture()));
if (in_initrd())
log_info("Running in initial RAM disk.");
} else {
_cleanup_free_ char *t = uid_to_name(getuid());
log_debug(PACKAGE_STRING " running in user mode for user "PID_FMT"/%s. (" SYSTEMD_FEATURES ")",
getuid(), t);
}
if (arg_running_as == SYSTEMD_SYSTEM && !skip_setup) {
if (arg_show_status > 0 || plymouth_running())
status_welcome();
#ifdef HAVE_KMOD
if (detect_container(NULL) <= 0)
kmod_setup();
#endif
hostname_setup();
machine_id_setup("");
loopback_setup();
test_mtab();
test_usr();
}
if (arg_running_as == SYSTEMD_SYSTEM && arg_runtime_watchdog > 0)
watchdog_set_timeout(&arg_runtime_watchdog);
if (arg_timer_slack_nsec != (nsec_t) -1)
if (prctl(PR_SET_TIMERSLACK, arg_timer_slack_nsec) < 0)
log_error("Failed to adjust timer slack: %m");
if (arg_capability_bounding_set_drop) {
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 = 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;
}
}
if (arg_syscall_archs) {
r = enforce_syscall_archs(arg_syscall_archs);
if (r < 0)
goto finish;
}
if (arg_running_as == SYSTEMD_USER) {
/* Become reaper of our children */
if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) {
log_warning("Failed to make us a subreaper: %m");
if (errno == EINVAL)
log_info("Perhaps the kernel version is too old (< 3.4?)");
}
}
if (arg_running_as == SYSTEMD_SYSTEM)
bump_rlimit_nofile(&saved_rlimit_nofile);
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;
m->default_timer_accuracy_usec = arg_default_timer_accuracy_usec;
m->default_std_output = arg_default_std_output;
m->default_std_error = arg_default_std_error;
m->default_restart_usec = arg_default_restart_usec;
m->default_timeout_start_usec = arg_default_timeout_start_usec;
m->default_timeout_stop_usec = arg_default_timeout_stop_usec;
m->default_start_limit_interval = arg_default_start_limit_interval;
m->default_start_limit_burst = arg_default_start_limit_burst;
m->default_cpu_accounting = arg_default_cpu_accounting;
m->default_blockio_accounting = arg_default_blockio_accounting;
m->default_memory_accounting = arg_default_memory_accounting;
m->runtime_watchdog = arg_runtime_watchdog;
m->shutdown_watchdog = arg_shutdown_watchdog;
m->userspace_timestamp = userspace_timestamp;
m->kernel_timestamp = kernel_timestamp;
m->initrd_timestamp = initrd_timestamp;
m->security_start_timestamp = security_start_timestamp;
m->security_finish_timestamp = security_finish_timestamp;
manager_set_default_rlimits(m, arg_default_rlimit);
manager_environment_add(m, NULL, arg_default_environment);
manager_set_show_status(m, arg_show_status);
/* Remember whether we should queue the default job */
queue_default_job = !arg_serialization || arg_switched_root;
before_startup = now(CLOCK_MONOTONIC);
r = manager_startup(m, arg_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. */
fdset_free(fds);
fds = NULL;
if (arg_serialization) {
fclose(arg_serialization);
arg_serialization = NULL;
}
if (queue_default_job) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
Unit *target = NULL;
Job *default_unit_job;
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_message(&error, r));
else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND)
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_message(&error, r));
goto finish;
} else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) {
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_ISOLATE, false, &error, &default_unit_job);
if (r == -EPERM) {
log_debug("Default target could not be isolated, starting instead: %s", bus_error_message(&error, r));
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_message(&error, r));
goto finish;
}
} else if (r < 0) {
log_error("Failed to isolate default target: %s", bus_error_message(&error, r));
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, 0));
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, &arg_serialization, &fds, false) < 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, &arg_serialization, &fds, true) < 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);
m = NULL;
}
for (j = 0; j < ELEMENTSOF(arg_default_rlimit); j++) {
free(arg_default_rlimit[j]);
arg_default_rlimit[j] = NULL;
}
free(arg_default_unit);
arg_default_unit = NULL;
free_join_controllers();
strv_free(arg_default_environment);
arg_default_environment = NULL;
set_free(arg_syscall_archs);
arg_syscall_archs = NULL;
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);
/* Reset the RLIMIT_NOFILE to the kernel default, so
* that the new systemd can pass the kernel default to
* its child processes */
if (saved_rlimit_nofile.rlim_cur > 0)
setrlimit(RLIMIT_NOFILE, &saved_rlimit_nofile);
if (switch_root_dir) {
/* Kill all remaining processes from the
* initrd, but don't wait for them, so that we
* can handle the SIGCHLD for them after
* deserializing. */
broadcast_signal(SIGTERM, false, true);
/* And switch root */
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(arg_serialization);
assert(fds);
snprintf(sfd, sizeof(sfd), "%i", fileno(arg_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 == SYSTEMD_SYSTEM ? "--system" : "--user";
args[i++] = "--deserialize";
args[i++] = sfd;
args[i++] = NULL;
/* do not pass along the environment we inherit from the kernel or initrd */
if (switch_root_dir)
clearenv();
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 (arg_serialization) {
fclose(arg_serialization);
arg_serialization = NULL;
}
if (fds) {
fdset_free(fds);
fds = NULL;
}
/* Reopen the console */
make_console_stdio();
for (j = 1, i = 1; j < (unsigned) 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 (arg_serialization) {
fclose(arg_serialization);
arg_serialization = NULL;
}
if (fds) {
fdset_free(fds);
fds = NULL;
}
#ifdef HAVE_VALGRIND_VALGRIND_H
/* If we are PID 1 and running under valgrind, then let's exit
* here explicitly. valgrind will only generate nice output on
* exit(), not on exec(), hence let's do the former not the
* latter here. */
if (getpid() == 1 && RUNNING_ON_VALGRIND)
return 0;
#endif
if (shutdown_verb) {
char log_level[DECIMAL_STR_MAX(int) + 1];
const char* command_line[9] = {
SYSTEMD_SHUTDOWN_BINARY_PATH,
shutdown_verb,
"--log-level", log_level,
"--log-target",
};
unsigned pos = 5;
_cleanup_strv_free_ char **env_block = NULL;
assert(command_line[pos] == NULL);
env_block = strv_copy(environ);
snprintf(log_level, sizeof(log_level), "%d", log_get_max_level());
switch (log_get_target()) {
case LOG_TARGET_KMSG:
case LOG_TARGET_JOURNAL_OR_KMSG:
case LOG_TARGET_SYSLOG_OR_KMSG:
command_line[pos++] = "kmsg";
break;
case LOG_TARGET_CONSOLE:
default:
command_line[pos++] = "console";
break;
};
if (log_get_show_color())
command_line[pos++] = "--log-color";
if (log_get_show_location())
command_line[pos++] = "--log-location";
assert(pos < ELEMENTSOF(command_line));
if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) {
char *e;
/* 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, ignore failure */
if (asprintf(&e, "WATCHDOG_USEC="USEC_FMT, arg_shutdown_watchdog) > 0)
strv_push(&env_block, e);
} else
watchdog_close(true);
/* Avoid the creation of new processes forked by the
* kernel; at this point, we will not listen to the
* signals anyway */
if (detect_container(NULL) <= 0)
cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER);
execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
log_error("Failed to execute shutdown binary, %s: %m",
getpid() == 1 ? "freezing" : "quitting");
}
if (getpid() == 1)
freeze();
return retval;
}