main.c revision 2660882b52ae1a5d97a2344633a999d88a3cd45b
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering/***
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering This file is part of systemd.
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering Copyright 2010 Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering systemd is free software; you can redistribute it and/or modify it
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering under the terms of the GNU Lesser General Public License as published by
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering the Free Software Foundation; either version 2.1 of the License, or
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering (at your option) any later version.
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering systemd is distributed in the hope that it will be useful, but
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering WITHOUT ANY WARRANTY; without even the implied warranty of
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering Lesser General Public License for more details.
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering You should have received a copy of the GNU Lesser General Public License
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering along with systemd; If not, see <http://www.gnu.org/licenses/>.
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering***/
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek#include <dbus/dbus.h>
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek#include <stdio.h>
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek#include <errno.h>
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering#include <string.h>
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <unistd.h>
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <sys/types.h>
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include <sys/stat.h>
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include <getopt.h>
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include <signal.h>
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering#include <sys/wait.h>
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include <fcntl.h>
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include <sys/prctl.h>
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include <sys/mount.h>
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "manager.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "log.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "load-fragment.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "fdset.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "special.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "conf-parser.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "bus-errors.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "missing.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "label.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "build.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "strv.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "def.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "virt.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "watchdog.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "path-util.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "switch-root.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "mount-setup.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "loopback-setup.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "kmod-setup.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "hostname-setup.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "machine-id-setup.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "locale-setup.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "hwclock.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "selinux-setup.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#include "ima-setup.h"
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic enum {
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering ACTION_RUN,
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering ACTION_HELP,
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering ACTION_TEST,
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering ACTION_DUMP_CONFIGURATION_ITEMS,
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering ACTION_DONE
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering} arg_action = ACTION_RUN;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic char *arg_default_unit = NULL;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic bool arg_dump_core = true;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic bool arg_crash_shell = false;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic int arg_crash_chvt = -1;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic bool arg_confirm_spawn = false;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic bool arg_show_status = true;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#ifdef HAVE_SYSV_COMPAT
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic bool arg_sysv_console = true;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering#endif
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic char **arg_default_controllers = NULL;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic char ***arg_join_controllers = NULL;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic usec_t arg_runtime_watchdog = 0;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic FILE* serialization = NULL;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic void nop_handler(int sig) {
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering}
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering_noreturn_ static void crash(int sig) {
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering if (!arg_dump_core)
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering else {
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering struct sigaction sa;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering pid_t pid;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering /* We want to wait for the core process, hence let's enable SIGCHLD */
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering zero(sa);
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering sa.sa_handler = nop_handler;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering sa.sa_flags = SA_NOCLDSTOP|SA_RESTART;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering if ((pid = fork()) < 0)
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno));
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering else if (pid == 0) {
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering struct rlimit rl;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering /* Enable default signal handler for core dump */
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering zero(sa);
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering sa.sa_handler = SIG_DFL;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering assert_se(sigaction(sig, &sa, NULL) == 0);
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering /* Don't limit the core dump size */
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering zero(rl);
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering rl.rlim_cur = RLIM_INFINITY;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering rl.rlim_max = RLIM_INFINITY;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering setrlimit(RLIMIT_CORE, &rl);
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering /* Just to be sure... */
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering assert_se(chdir("/") == 0);
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering /* Raise the signal again */
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering raise(sig);
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert_not_reached("We shouldn't be here...");
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering _exit(1);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering } else {
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering siginfo_t status;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering int r;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering /* Order things nicely. */
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering if ((r = wait_for_terminate(pid, &status)) < 0)
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r));
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering else if (status.si_code != CLD_DUMPED)
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering else
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering }
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering }
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering if (arg_crash_chvt)
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering chvt(arg_crash_chvt);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering if (arg_crash_shell) {
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering struct sigaction sa;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering pid_t pid;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering log_info("Executing crash shell in 10s...");
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering sleep(10);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering /* Let the kernel reap children for us */
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering zero(sa);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering sa.sa_handler = SIG_IGN;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering if ((pid = fork()) < 0)
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_error("Failed to fork off crash shell: %s", strerror(errno));
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering else if (pid == 0) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering int fd, r;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0)
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_error("Failed to acquire terminal: %s", strerror(-fd));
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering else if ((r = make_stdio(fd)) < 0)
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_error("Failed to duplicate terminal fd: %s", strerror(-r));
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering execl("/bin/sh", "/bin/sh", NULL);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_error("execl() failed: %s", strerror(errno));
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering _exit(1);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_info("Freezing execution.");
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering freeze();
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering}
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poetteringstatic void install_crash_handler(void) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering struct sigaction sa;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering zero(sa);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sa.sa_handler = crash;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sa.sa_flags = SA_NODEFER;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poetteringstatic int console_setup(bool do_reset) {
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering int tty_fd, r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* If we are init, we connect stdin/stdout/stderr to /dev/null
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * and make sure we don't have a controlling tty. */
8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering
8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering release_terminal();
8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering
8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering if (!do_reset)
8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering return 0;
8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering
8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering if (tty_fd < 0) {
8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering log_error("Failed to open /dev/console: %s", strerror(-tty_fd));
8bf52d3d17d364438191077d0750b8b80b5dc53aLennart Poettering return -tty_fd;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering }
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering /* We don't want to force text mode.
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering * plymouth may be showing pictures already from initrd. */
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering r = reset_terminal_fd(tty_fd, false);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (r < 0)
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering log_error("Failed to reset /dev/console: %s", strerror(-r));
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering close_nointr_nofail(tty_fd);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return r;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering}
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poetteringstatic int set_default_unit(const char *u) {
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering char *c;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering assert(u);
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering if (!(c = strdup(u)))
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering return -ENOMEM;
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering
74b2466e14a1961bf3ac0e8a60cfaceec705bd59Lennart Poettering free(arg_default_unit);
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering arg_default_unit = c;
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek return 0;
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering}
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poetteringstatic int parse_proc_cmdline_word(const char *word) {
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering static const char * const rlmap[] = {
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek "emergency", SPECIAL_EMERGENCY_TARGET,
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek "-b", SPECIAL_EMERGENCY_TARGET,
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek "single", SPECIAL_RESCUE_TARGET,
8ac4e9e1e54397f6d1745c2a7a806132418c7da2Lennart Poettering "-s", SPECIAL_RESCUE_TARGET,
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering "s", SPECIAL_RESCUE_TARGET,
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek "S", SPECIAL_RESCUE_TARGET,
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering "1", SPECIAL_RESCUE_TARGET,
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek "2", SPECIAL_RUNLEVEL2_TARGET,
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering "3", SPECIAL_RUNLEVEL3_TARGET,
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering "4", SPECIAL_RUNLEVEL4_TARGET,
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek "5", SPECIAL_RUNLEVEL5_TARGET,
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering };
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering assert(word);
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek if (startswith(word, "systemd.unit="))
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering return set_default_unit(word + 13);
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering else if (startswith(word, "systemd.log_target=")) {
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek if (log_set_target_from_string(word + 19) < 0)
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering log_warning("Failed to parse log target %s. Ignoring.", word + 19);
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek } else if (startswith(word, "systemd.log_level=")) {
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering if (log_set_max_level_from_string(word + 18) < 0)
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering log_warning("Failed to parse log level %s. Ignoring.", word + 18);
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering } else if (startswith(word, "systemd.log_color=")) {
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek if (log_show_color_from_string(word + 18) < 0)
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek log_warning("Failed to parse log color setting %s. Ignoring.", word + 18);
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek } else if (startswith(word, "systemd.log_location=")) {
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek if (log_show_location_from_string(word + 21) < 0)
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering log_warning("Failed to parse log location setting %s. Ignoring.", word + 21);
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering } else if (startswith(word, "systemd.dump_core=")) {
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering int r;
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering if ((r = parse_boolean(word + 18)) < 0)
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering else
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering arg_dump_core = r;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering } else if (startswith(word, "systemd.crash_shell=")) {
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering int r;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if ((r = parse_boolean(word + 20)) < 0)
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering else
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering arg_crash_shell = r;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering } else if (startswith(word, "systemd.confirm_spawn=")) {
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering int r;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if ((r = parse_boolean(word + 22)) < 0)
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering else
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering arg_confirm_spawn = r;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering } else if (startswith(word, "systemd.crash_chvt=")) {
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering int k;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if (safe_atoi(word + 19, &k) < 0)
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering else
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering arg_crash_chvt = k;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering } else if (startswith(word, "systemd.show_status=")) {
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering int r;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if ((r = parse_boolean(word + 20)) < 0)
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering log_warning("Failed to parse show status switch %s. Ignoring.", word + 20);
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering else
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering arg_show_status = r;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering } else if (startswith(word, "systemd.default_standard_output=")) {
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering int r;
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering
623a4c97b9175f95c4b1c6fc34e36c56f1e4ddbfLennart Poettering if ((r = exec_output_from_string(word + 32)) < 0)
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering else
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering arg_default_std_output = r;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering } else if (startswith(word, "systemd.default_standard_error=")) {
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering int r;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
faa133f3aa7a18f26563dc5d6b95898cb315c37aLennart Poettering if ((r = exec_output_from_string(word + 31)) < 0)
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering else
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering arg_default_std_error = r;
fd0b4602f6332c3f1660eb208c8f5c719709a009Lennart Poettering } else if (startswith(word, "systemd.setenv=")) {
fd0b4602f6332c3f1660eb208c8f5c719709a009Lennart Poettering char *cenv, *eq;
fd0b4602f6332c3f1660eb208c8f5c719709a009Lennart Poettering int r;
fd0b4602f6332c3f1660eb208c8f5c719709a009Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering cenv = strdup(word + 15);
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering if (!cenv)
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering return -ENOMEM;
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering eq = strchr(cenv, '=');
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering if (!eq) {
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering r = unsetenv(cenv);
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering if (r < 0)
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering log_warning("unsetenv failed %s. Ignoring.", strerror(errno));
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering } else {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering *eq = 0;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering r = setenv(cenv, eq + 1, 1);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (r < 0)
8ac4e9e1e54397f6d1745c2a7a806132418c7da2Lennart Poettering log_warning("setenv failed %s. Ignoring.", strerror(errno));
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering free(cenv);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering#ifdef HAVE_SYSV_COMPAT
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering } else if (startswith(word, "systemd.sysv_console=")) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering int r;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek if ((r = parse_boolean(word + 21)) < 0)
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek log_warning("Failed to parse SysV console switch %s. Ignoring.", word + 20);
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek else
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek arg_sysv_console = r;
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek#endif
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek } else if (startswith(word, "systemd.")) {
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek log_warning("Unknown kernel switch %s. Ignoring.", word);
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_info("Supported kernel switches:\n"
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering "systemd.unit=UNIT Default unit to start\n"
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering "systemd.dump_core=0|1 Dump core on crash\n"
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering "systemd.crash_shell=0|1 Run shell on crash\n"
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering "systemd.crash_chvt=N Change to VT #N on crash\n"
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering "systemd.show_status=0|1 Show status updates on the console during bootup\n"
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering#ifdef HAVE_SYSV_COMPAT
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n"
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering#endif
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n"
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering " Log target\n"
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering "systemd.log_level=LEVEL Log level\n"
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering "systemd.log_color=0|1 Highlight important log messages\n"
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering "systemd.log_location=0|1 Include code location in log messages\n"
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering " Set default log output for services\n"
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
7e8e0422aeb16f2a09a40546c61df753d10029b6Lennart Poettering " Set default log error output for services\n");
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek } else if (streq(word, "quiet")) {
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek arg_show_status = false;
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek#ifdef HAVE_SYSV_COMPAT
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek arg_sysv_console = false;
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek#endif
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek } else {
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek unsigned i;
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek /* SysV compatibility */
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek if (streq(word, rlmap[i]))
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek return set_default_unit(rlmap[i+1]);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek }
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek return 0;
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek}
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poetteringstatic int config_parse_level2(
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering const char *filename,
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering unsigned line,
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering const char *section,
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering const char *lvalue,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering int ltype,
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering const char *rvalue,
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering void *data,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering void *userdata) {
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering assert(filename);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek assert(lvalue);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek assert(rvalue);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek log_set_max_level_from_string(rvalue);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek return 0;
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek}
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmekstatic int config_parse_target(
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *filename,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek unsigned line,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *section,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *lvalue,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek int ltype,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *rvalue,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek void *data,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek void *userdata) {
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek assert(filename);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek assert(lvalue);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek assert(rvalue);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek log_set_target_from_string(rvalue);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek return 0;
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek}
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmekstatic int config_parse_color(
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *filename,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek unsigned line,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *section,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *lvalue,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek int ltype,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering const char *rvalue,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering void *data,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering void *userdata) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering assert(filename);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering assert(lvalue);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering assert(rvalue);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_show_color_from_string(rvalue);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering return 0;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering}
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poetteringstatic int config_parse_location(
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering const char *filename,
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering unsigned line,
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering const char *section,
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering const char *lvalue,
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering int ltype,
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering const char *rvalue,
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering void *data,
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering void *userdata) {
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering assert(filename);
9c92ce6d67f88beb31dd6555d12ae3f632218a39Lennart Poettering assert(lvalue);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering assert(rvalue);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_show_location_from_string(rvalue);
8ac4e9e1e54397f6d1745c2a7a806132418c7da2Lennart Poettering return 0;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering}
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poetteringstatic int config_parse_cpu_affinity2(
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering const char *filename,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering unsigned line,
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering const char *section,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering const char *lvalue,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering int ltype,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering const char *rvalue,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering void *data,
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering void *userdata) {
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmek char *w;
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek size_t l;
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek char *state;
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek cpu_set_t *c = NULL;
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek unsigned ncpus = 0;
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek assert(filename);
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek assert(lvalue);
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek assert(rvalue);
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek FOREACH_WORD_QUOTED(w, l, rvalue, state) {
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek char *t;
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek int r;
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek unsigned cpu;
2e276efc7b0398a3086629a52970bdd4ab7252f9Zbigniew Jędrzejewski-Szmek
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (!(t = strndup(w, l)))
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering return -ENOMEM;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering r = safe_atou(t, &cpu);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering free(t);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering if (!c)
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (!(c = cpu_set_malloc(&ncpus)))
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering return -ENOMEM;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (r < 0 || cpu >= ncpus) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering CPU_FREE(c);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering return -EBADMSG;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering if (c) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering log_warning("Failed to set CPU affinity: %m");
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering CPU_FREE(c);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering return 0;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering}
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poetteringstatic void strv_free_free(char ***l) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering char ***i;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (!l)
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering return;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering for (i = l; *i; i++)
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering strv_free(*i);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering free(l);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering}
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmekstatic void free_join_controllers(void) {
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek if (!arg_join_controllers)
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek return;
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek strv_free_free(arg_join_controllers);
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek arg_join_controllers = NULL;
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek}
946c70944ebdf428ffeb9991a7449edbd4011461Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmekstatic int config_parse_join_controllers(
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *filename,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek unsigned line,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *section,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *lvalue,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek int ltype,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek const char *rvalue,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek void *data,
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek void *userdata) {
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek unsigned n = 0;
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek char *state, *w;
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek size_t length;
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek assert(filename);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek assert(lvalue);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek assert(rvalue);
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek free_join_controllers();
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering FOREACH_WORD_QUOTED(w, length, rvalue, state) {
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering char *s, **l;
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering s = strndup(w, length);
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering if (!s)
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering return -ENOMEM;
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering l = strv_split(s, ",");
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering free(s);
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering strv_uniq(l);
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering if (strv_length(l) <= 1) {
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering strv_free(l);
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering continue;
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering }
42cc2eebb01056beb7acd3ecfe8e533558237f84Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (!arg_join_controllers) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering arg_join_controllers = new(char**, 2);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (!arg_join_controllers) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering strv_free(l);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering return -ENOMEM;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering arg_join_controllers[0] = l;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering arg_join_controllers[1] = NULL;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering n = 1;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering } else {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering char ***a;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering char ***t;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering t = new0(char**, n+2);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering if (!t) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering strv_free(l);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering return -ENOMEM;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering n = 0;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering for (a = arg_join_controllers; *a; a++) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (strv_overlap(*a, l)) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering char **c;
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering c = strv_merge(*a, l);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (!c) {
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering strv_free(l);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering strv_free_free(t);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering return -ENOMEM;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering strv_free(l);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering l = c;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering } else {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering char **c;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering c = strv_copy(*a);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering if (!c) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering strv_free(l);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering strv_free_free(t);
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering return -ENOMEM;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering t[n++] = c;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering t[n++] = strv_uniq(l);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering strv_free_free(arg_join_controllers);
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering arg_join_controllers = t;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
0dae31d468b1a0e22d98921f7b0dbd92fd217167Zbigniew Jędrzejewski-Szmek return 0;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering}
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
9de3e3294065e8697ff10130b53f274319cdcf6fZbigniew Jędrzejewski-Szmekstatic int parse_config_file(void) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering const ConfigTableItem items[] = {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "LogLevel", config_parse_level2, 0, NULL },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "LogTarget", config_parse_target, 0, NULL },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "LogColor", config_parse_color, 0, NULL },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "LogLocation", config_parse_location, 0, NULL },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering { "Manager", "ShowStatus", config_parse_bool, 0, &arg_show_status },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering#ifdef HAVE_SYSV_COMPAT
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "SysVConsole", config_parse_bool, 0, &arg_sysv_console },
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering#endif
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "DefaultControllers", config_parse_strv, 0, &arg_default_controllers },
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
322345fdb9865ef2477fba8e4bdde0e1183ef505Lennart Poettering { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "RuntimeWatchdogSec", config_parse_usec, 0, &arg_runtime_watchdog },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { "Manager", "ShutdownWatchdogSec", config_parse_usec, 0, &arg_shutdown_watchdog },
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering { NULL, NULL, NULL, 0, NULL }
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering };
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering FILE *f;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering const char *fn;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering int r;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : USER_CONFIG_FILE;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering f = fopen(fn, "re");
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (!f) {
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering if (errno == ENOENT)
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering return 0;
2d4c5cbc0ed3ccb09dc086a040088b454c22c644Lennart Poettering
log_warning("Failed to open configuration file '%s': %m", fn);
return 0;
}
r = config_parse(fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, NULL);
if (r < 0)
log_warning("Failed to parse configuration file: %s", strerror(-r));
fclose(f);
return 0;
}
static int parse_proc_cmdline(void) {
char *line, *w, *state;
int r;
size_t l;
/* Don't read /proc/cmdline if we are in a container, since
* that is only relevant for the host system */
if (detect_container(NULL) > 0)
return 0;
if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
return 0;
}
FOREACH_WORD_QUOTED(w, l, line, state) {
char *word;
if (!(word = strndup(w, l))) {
r = -ENOMEM;
goto finish;
}
r = parse_proc_cmdline_word(word);
free(word);
if (r < 0)
goto finish;
}
r = 0;
finish:
free(line);
return r;
}
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_DUMP_CONFIGURATION_ITEMS,
ARG_DUMP_CORE,
ARG_CRASH_SHELL,
ARG_CONFIRM_SPAWN,
ARG_SHOW_STATUS,
ARG_SYSV_CONSOLE,
ARG_DESERIALIZE,
ARG_SWITCHED_ROOT,
ARG_INTROSPECT,
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' },
{ "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 },
#ifdef HAVE_SYSV_COMPAT
{ "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE },
#endif
{ "deserialize", required_argument, NULL, ARG_DESERIALIZE },
{ "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT },
{ "introspect", optional_argument, NULL, ARG_INTROSPECT },
{ "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, },
{ "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, },
{ NULL, 0, NULL, 0 }
};
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:
if ((r = log_set_max_level_from_string(optarg)) < 0) {
log_error("Failed to parse log level %s.", optarg);
return r;
}
break;
case ARG_LOG_TARGET:
if ((r = log_set_target_from_string(optarg)) < 0) {
log_error("Failed to parse log target %s.", optarg);
return r;
}
break;
case ARG_LOG_COLOR:
if (optarg) {
if ((r = log_show_color_from_string(optarg)) < 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) {
if ((r = log_show_location_from_string(optarg)) < 0) {
log_error("Failed to parse log location setting %s.", optarg);
return r;
}
} else
log_show_location(true);
break;
case ARG_DEFAULT_STD_OUTPUT:
if ((r = exec_output_from_string(optarg)) < 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:
if ((r = exec_output_from_string(optarg)) < 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:
if ((r = set_default_unit(optarg)) < 0) {
log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
return r;
}
break;
case ARG_SYSTEM:
arg_running_as = MANAGER_SYSTEM;
break;
case ARG_USER:
arg_running_as = MANAGER_USER;
break;
case ARG_TEST:
arg_action = ACTION_TEST;
break;
case ARG_DUMP_CONFIGURATION_ITEMS:
arg_action = ACTION_DUMP_CONFIGURATION_ITEMS;
break;
case ARG_DUMP_CORE:
r = optarg ? parse_boolean(optarg) : 1;
if (r < 0) {
log_error("Failed to parse dump core boolean %s.", optarg);
return r;
}
arg_dump_core = r;
break;
case ARG_CRASH_SHELL:
r = optarg ? parse_boolean(optarg) : 1;
if (r < 0) {
log_error("Failed to parse crash shell boolean %s.", optarg);
return r;
}
arg_crash_shell = r;
break;
case ARG_CONFIRM_SPAWN:
r = optarg ? parse_boolean(optarg) : 1;
if (r < 0) {
log_error("Failed to parse confirm spawn boolean %s.", optarg);
return r;
}
arg_confirm_spawn = r;
break;
case ARG_SHOW_STATUS:
r = optarg ? parse_boolean(optarg) : 1;
if (r < 0) {
log_error("Failed to parse show status boolean %s.", optarg);
return r;
}
arg_show_status = r;
break;
#ifdef HAVE_SYSV_COMPAT
case ARG_SYSV_CONSOLE:
r = optarg ? parse_boolean(optarg) : 1;
if (r < 0) {
log_error("Failed to parse SysV console boolean %s.", optarg);
return r;
}
arg_sysv_console = r;
break;
#endif
case ARG_DESERIALIZE: {
int fd;
FILE *f;
if ((r = safe_atoi(optarg, &fd)) < 0 || fd < 0) {
log_error("Failed to parse deserialize option %s.", optarg);
return r;
}
if (!(f = fdopen(fd, "r"))) {
log_error("Failed to open serialization fd: %m");
return r;
}
if (serialization)
fclose(serialization);
serialization = f;
break;
}
case ARG_SWITCHED_ROOT:
/* Nothing special yet */
break;
case ARG_INTROSPECT: {
const char * const * i = NULL;
for (i = bus_interface_table; *i; i += 2)
if (!optarg || streq(i[0], optarg)) {
fputs(DBUS_INTROSPECT_1_0_XML_DOCTYPE_DECL_NODE
"<node>\n", stdout);
fputs(i[1], stdout);
fputs("</node>\n", stdout);
if (optarg)
break;
}
if (!i[0] && optarg)
log_error("Unknown interface %s.", optarg);
arg_action = ACTION_DONE;
break;
}
case 'h':
arg_action = ACTION_HELP;
break;
case 'D':
log_set_max_level(LOG_DEBUG);
break;
case 'b':
case 's':
case 'z':
/* Just to eat away the sysvinit kernel
* cmdline args without getopt() error
* messages that we'll parse in
* parse_proc_cmdline_word() or ignore. */
case '?':
default:
if (getpid() != 1) {
log_error("Unknown option code %c", c);
return -EINVAL;
}
break;
}
if (optind < argc && getpid() != 1) {
/* Hmm, when we aren't run as init system
* let's complain about excess arguments */
log_error("Excess arguments.");
return -EINVAL;
}
if (detect_container(NULL) > 0) {
char **a;
/* All /proc/cmdline arguments the kernel didn't
* understand it passed to us. We're not really
* interested in that usually since /proc/cmdline is
* more interesting and complete. With one exception:
* if we are run in a container /proc/cmdline is not
* relevant for the container, hence we rely on argv[]
* instead. */
for (a = argv; a < argv + argc; a++)
if ((r = parse_proc_cmdline_word(*a)) < 0)
return r;
}
return 0;
}
static int help(void) {
printf("%s [OPTIONS...]\n\n"
"Starts up and maintains the system or user services.\n\n"
" -h --help Show this help\n"
" --test Determine startup sequence, dump it and exit\n"
" --dump-configuration-items Dump understood unit configuration items\n"
" --introspect[=INTERFACE] Extract D-Bus interface data\n"
" --unit=UNIT Set default unit\n"
" --system Run a system instance, even if PID != 1\n"
" --user Run a user instance\n"
" --dump-core[=0|1] Dump core on crash\n"
" --crash-shell[=0|1] Run shell on crash\n"
" --confirm-spawn[=0|1] Ask for confirmation when spawning processes\n"
" --show-status[=0|1] Show status updates on the console during bootup\n"
#ifdef HAVE_SYSV_COMPAT
" --sysv-console[=0|1] Connect output of SysV scripts to console\n"
#endif
" --log-target=TARGET Set log target (console, journal, syslog, kmsg, journal-or-kmsg, syslog-or-kmsg, null)\n"
" --log-level=LEVEL Set log level (debug, info, notice, warning, err, crit, alert, emerg)\n"
" --log-color[=0|1] Highlight important log messages\n"
" --log-location[=0|1] Include code location in log messages\n"
" --default-standard-output= Set default standard output for services\n"
" --default-standard-error= Set default standard error output for services\n",
program_invocation_short_name);
return 0;
}
static int prepare_reexecute(Manager *m, FILE **_f, FDSet **_fds) {
FILE *f = NULL;
FDSet *fds = NULL;
int r;
assert(m);
assert(_f);
assert(_fds);
/* Make sure nothing is really destructed when we shut down */
m->n_reloading ++;
if ((r = manager_open_serialization(m, &f)) < 0) {
log_error("Failed to create serialization file: %s", strerror(-r));
goto fail;
}
if (!(fds = fdset_new())) {
r = -ENOMEM;
log_error("Failed to allocate fd set: %s", strerror(-r));
goto fail;
}
if ((r = manager_serialize(m, f, fds)) < 0) {
log_error("Failed to serialize state: %s", strerror(-r));
goto fail;
}
if (fseeko(f, 0, SEEK_SET) < 0) {
log_error("Failed to rewind serialization fd: %m");
goto fail;
}
if ((r = fd_cloexec(fileno(f), false)) < 0) {
log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r));
goto fail;
}
if ((r = fdset_cloexec(fds, false)) < 0) {
log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r));
goto fail;
}
*_f = f;
*_fds = fds;
return 0;
fail:
fdset_free(fds);
if (f)
fclose(f);
return r;
}
static struct dual_timestamp* parse_initrd_timestamp(struct dual_timestamp *t) {
const char *e;
unsigned long long a, b;
assert(t);
e = getenv("RD_TIMESTAMP");
if (!e)
return NULL;
if (sscanf(e, "%llu %llu", &a, &b) != 2)
return NULL;
t->realtime = (usec_t) a;
t->monotonic = (usec_t) b;
return t;
}
static void test_mtab(void) {
char *p;
/* Check that /etc/mtab is a symlink */
if (readlink_malloc("/etc/mtab", &p) >= 0) {
bool b;
b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts");
free(p);
if (b)
return;
}
log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
"This is not supported anymore. "
"Please make sure to replace this file by a symlink to avoid incorrect or misleading mount(8) output.");
}
static void test_usr(void) {
/* Check that /usr is not a separate fs */
if (dir_is_empty("/usr") <= 0)
return;
log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. "
"Some things will probably break (sometimes even silently) in mysterious ways. "
"Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
}
static void test_cgroups(void) {
if (access("/proc/cgroups", F_OK) >= 0)
return;
log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. "
"Systems without control groups are not supported. "
"We will now sleep for 10s, and then continue boot-up. "
"Expect breakage and please do not file bugs. "
"Instead fix your kernel and enable CONFIG_CGROUPS. "
"Consult http://0pointer.de/blog/projects/cgroups-vs-cgroups.html for more information.");
sleep(10);
}
int main(int argc, char *argv[]) {
Manager *m = NULL;
int r, retval = EXIT_FAILURE;
usec_t before_startup, after_startup;
char timespan[FORMAT_TIMESPAN_MAX];
FDSet *fds = NULL;
bool reexecute = false;
const char *shutdown_verb = NULL;
dual_timestamp initrd_timestamp = { 0ULL, 0ULL };
static char systemd[] = "systemd";
bool skip_setup = false;
int j;
bool loaded_policy = false;
bool arm_reboot_watchdog = false;
char *switch_root_dir = NULL, *switch_root_init = NULL;
#ifdef HAVE_SYSV_COMPAT
if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
/* This is compatibility support for SysV, where
* calling init as a user is identical to telinit. */
errno = -ENOENT;
execv(SYSTEMCTL_BINARY_PATH, argv);
log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
return 1;
}
#endif
/* Determine if this is a reexecution or normal bootup. We do
* the full command line parsing much later, so let's just
* have a quick peek here. */
for (j = 1; j < argc; j++)
if (streq(argv[j], "--deserialize")) {
skip_setup = true;
break;
}
/* If we have switched root, do all the special setup
* things */
for (j = 1; j < argc; j++)
if (streq(argv[j], "--switched-root")) {
skip_setup = false;
break;
}
/* If we get started via the /sbin/init symlink then we are
called 'init'. After a subsequent reexecution we are then
called 'systemd'. That is confusing, hence let's call us
systemd right-away. */
program_invocation_short_name = systemd;
prctl(PR_SET_NAME, systemd);
saved_argv = argv;
saved_argc = argc;
log_show_color(isatty(STDERR_FILENO) > 0);
log_show_location(false);
log_set_max_level(LOG_INFO);
if (getpid() == 1) {
if (in_initrd()) {
char *rd_timestamp = NULL;
dual_timestamp_get(&initrd_timestamp);
asprintf(&rd_timestamp, "%llu %llu",
(unsigned long long) initrd_timestamp.realtime,
(unsigned long long) initrd_timestamp.monotonic);
if (rd_timestamp) {
setenv("RD_TIMESTAMP", rd_timestamp, 1);
free(rd_timestamp);
}
}
arg_running_as = MANAGER_SYSTEM;
log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_JOURNAL : LOG_TARGET_JOURNAL_OR_KMSG);
if (!skip_setup) {
if (selinux_setup(&loaded_policy) < 0)
goto finish;
if (ima_setup() < 0)
goto finish;
}
log_open();
if (label_init(NULL) < 0)
goto finish;
if (!skip_setup)
if (hwclock_is_localtime() > 0) {
int min;
r = hwclock_apply_localtime_delta(&min);
if (r < 0)
log_error("Failed to apply local time delta, ignoring: %s", strerror(-r));
else
log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min);
}
} else {
arg_running_as = MANAGER_USER;
log_set_target(LOG_TARGET_AUTO);
log_open();
}
/* Initialize default unit */
if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0)
goto finish;
/* By default, mount "cpu" and "cpuacct" together */
arg_join_controllers = new(char**, 2);
if (!arg_join_controllers)
goto finish;
arg_join_controllers[0] = strv_new("cpu", "cpuacct", NULL);
arg_join_controllers[1] = NULL;
if (!arg_join_controllers[0])
goto finish;
/* Mount /proc, /sys and friends, so that /proc/cmdline and
* /proc/$PID/fd is available. */
if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) {
r = mount_setup(loaded_policy);
if (r < 0)
goto finish;
}
/* Reset all signal handlers. */
assert_se(reset_all_signal_handlers() == 0);
/* If we are init, we can block sigkill. Yay. */
ignore_signals(SIGNALS_IGNORE, -1);
if (parse_config_file() < 0)
goto finish;
if (arg_running_as == MANAGER_SYSTEM)
if (parse_proc_cmdline() < 0)
goto finish;
log_parse_environment();
if (parse_argv(argc, argv) < 0)
goto finish;
if (arg_action == ACTION_TEST && geteuid() == 0) {
log_error("Don't run test mode as root.");
goto finish;
}
if (arg_running_as == MANAGER_SYSTEM &&
arg_action == ACTION_RUN &&
running_in_chroot() > 0) {
log_error("Cannot be run in a chroot() environment.");
goto finish;
}
if (arg_action == ACTION_HELP) {
retval = help();
goto finish;
} else if (arg_action == ACTION_DUMP_CONFIGURATION_ITEMS) {
unit_dump_config_items(stdout);
retval = EXIT_SUCCESS;
goto finish;
} else if (arg_action == ACTION_DONE) {
retval = EXIT_SUCCESS;
goto finish;
}
assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST);
/* Close logging fds, in order not to confuse fdset below */
log_close();
/* Remember open file descriptors for later deserialization */
if (serialization) {
r = fdset_new_fill(&fds);
if (r < 0) {
log_error("Failed to allocate fd set: %s", strerror(-r));
goto finish;
}
assert_se(fdset_remove(fds, fileno(serialization)) >= 0);
} else
close_all_fds(NULL, 0);
/* Set up PATH unless it is already set */
setenv("PATH",
#ifdef HAVE_SPLIT_USR
"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
#else
"/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin",
#endif
arg_running_as == MANAGER_SYSTEM);
if (arg_running_as == MANAGER_SYSTEM) {
/* Parse the data passed to us. We leave this
* variables set, but the manager later on will not
* pass them on to our children. */
if (!in_initrd())
parse_initrd_timestamp(&initrd_timestamp);
/* Unset some environment variables passed in from the
* kernel that don't really make sense for us. */
unsetenv("HOME");
unsetenv("TERM");
/* When we are invoked by a shell, these might be set,
* but make little sense to pass on */
unsetenv("PWD");
unsetenv("SHLVL");
unsetenv("_");
/* When we are invoked by a chroot-like tool such as
* nspawn, these might be set, but make little sense
* to pass on */
unsetenv("USER");
unsetenv("LOGNAME");
/* All other variables are left as is, so that clients
* can still read them via /proc/1/environ */
}
/* Move out of the way, so that we won't block unmounts */
assert_se(chdir("/") == 0);
if (arg_running_as == MANAGER_SYSTEM) {
/* Become a session leader if we aren't one yet. */
setsid();
/* Disable the umask logic */
umask(0);
}
/* Make sure D-Bus doesn't fiddle with the SIGPIPE handlers */
dbus_connection_set_change_sigpipe(FALSE);
/* Reset the console, but only if this is really init and we
* are freshly booted */
if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) {
console_setup(getpid() == 1 && !skip_setup);
make_null_stdio();
}
/* Open the logging devices, if possible and necessary */
log_open();
/* Make sure we leave a core dump without panicing the
* kernel. */
if (getpid() == 1)
install_crash_handler();
if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS")) {
r = mount_cgroup_controllers(arg_join_controllers);
if (r < 0)
goto finish;
}
log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG,
PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as));
if (arg_running_as == MANAGER_SYSTEM && !skip_setup) {
locale_setup();
if (arg_show_status || plymouth_running())
status_welcome();
kmod_setup();
hostname_setup();
machine_id_setup();
loopback_setup();
test_mtab();
test_usr();
test_cgroups();
}
if (arg_running_as == MANAGER_SYSTEM && arg_runtime_watchdog > 0)
watchdog_set_timeout(&arg_runtime_watchdog);
r = manager_new(arg_running_as, &m);
if (r < 0) {
log_error("Failed to allocate manager object: %s", strerror(-r));
goto finish;
}
m->confirm_spawn = arg_confirm_spawn;
#ifdef HAVE_SYSV_COMPAT
m->sysv_console = arg_sysv_console;
#endif
m->default_std_output = arg_default_std_output;
m->default_std_error = arg_default_std_error;
m->runtime_watchdog = arg_runtime_watchdog;
m->shutdown_watchdog = arg_shutdown_watchdog;
if (dual_timestamp_is_set(&initrd_timestamp))
m->initrd_timestamp = initrd_timestamp;
if (arg_default_controllers)
manager_set_default_controllers(m, arg_default_controllers);
manager_set_show_status(m, arg_show_status);
before_startup = now(CLOCK_MONOTONIC);
r = manager_startup(m, serialization, fds);
if (r < 0)
log_error("Failed to fully start up daemon: %s", strerror(-r));
if (fds) {
/* This will close all file descriptors that were opened, but
* not claimed by any unit. */
fdset_free(fds);
fds = NULL;
}
if (serialization) {
fclose(serialization);
serialization = NULL;
} else {
DBusError error;
Unit *target = NULL;
Job *default_unit_job;
dbus_error_init(&error);
log_debug("Activating default unit: %s", arg_default_unit);
r = manager_load_unit(m, arg_default_unit, NULL, &error, &target);
if (r < 0) {
log_error("Failed to load default target: %s", bus_error(&error, r));
dbus_error_free(&error);
} else if (target->load_state == UNIT_ERROR)
log_error("Failed to load default target: %s", strerror(-target->load_error));
else if (target->load_state == UNIT_MASKED)
log_error("Default target masked.");
if (!target || target->load_state != UNIT_LOADED) {
log_info("Trying to load rescue target...");
r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target);
if (r < 0) {
log_error("Failed to load rescue target: %s", bus_error(&error, r));
dbus_error_free(&error);
goto finish;
} else if (target->load_state == UNIT_ERROR) {
log_error("Failed to load rescue target: %s", strerror(-target->load_error));
goto finish;
} else if (target->load_state == UNIT_MASKED) {
log_error("Rescue target masked.");
goto finish;
}
}
assert(target->load_state == UNIT_LOADED);
if (arg_action == ACTION_TEST) {
printf("-> By units:\n");
manager_dump_units(m, stdout, "\t");
}
r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job);
if (r < 0) {
log_error("Failed to start default target: %s", bus_error(&error, r));
dbus_error_free(&error);
goto finish;
}
m->default_unit_job_id = default_unit_job->id;
after_startup = now(CLOCK_MONOTONIC);
log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG,
"Loaded units and determined initial transaction in %s.",
format_timespan(timespan, sizeof(timespan), after_startup - before_startup));
if (arg_action == ACTION_TEST) {
printf("-> By jobs:\n");
manager_dump_jobs(m, stdout, "\t");
retval = EXIT_SUCCESS;
goto finish;
}
}
for (;;) {
r = manager_loop(m);
if (r < 0) {
log_error("Failed to run mainloop: %s", strerror(-r));
goto finish;
}
switch (m->exit_code) {
case MANAGER_EXIT:
retval = EXIT_SUCCESS;
log_debug("Exit.");
goto finish;
case MANAGER_RELOAD:
log_info("Reloading.");
r = manager_reload(m);
if (r < 0)
log_error("Failed to reload: %s", strerror(-r));
break;
case MANAGER_REEXECUTE:
if (prepare_reexecute(m, &serialization, &fds) < 0)
goto finish;
reexecute = true;
log_notice("Reexecuting.");
goto finish;
case MANAGER_SWITCH_ROOT:
/* Steal the switch root parameters */
switch_root_dir = m->switch_root;
switch_root_init = m->switch_root_init;
m->switch_root = m->switch_root_init = NULL;
if (!switch_root_init)
if (prepare_reexecute(m, &serialization, &fds) < 0)
goto finish;
reexecute = true;
log_notice("Switching root.");
goto finish;
case MANAGER_REBOOT:
case MANAGER_POWEROFF:
case MANAGER_HALT:
case MANAGER_KEXEC: {
static const char * const table[_MANAGER_EXIT_CODE_MAX] = {
[MANAGER_REBOOT] = "reboot",
[MANAGER_POWEROFF] = "poweroff",
[MANAGER_HALT] = "halt",
[MANAGER_KEXEC] = "kexec"
};
assert_se(shutdown_verb = table[m->exit_code]);
arm_reboot_watchdog = m->exit_code == MANAGER_REBOOT;
log_notice("Shutting down.");
goto finish;
}
default:
assert_not_reached("Unknown exit code.");
}
}
finish:
if (m)
manager_free(m);
free(arg_default_unit);
strv_free(arg_default_controllers);
free_join_controllers();
dbus_shutdown();
label_finish();
if (reexecute) {
const char **args;
unsigned i, args_size;
/* Close and disarm the watchdog, so that the new
* instance can reinitialize it, but doesn't get
* rebooted while we do that */
watchdog_close(true);
if (switch_root_dir) {
r = switch_root(switch_root_dir);
if (r < 0)
log_error("Failed to switch root, ignoring: %s", strerror(-r));
}
args_size = MAX(6, argc+1);
args = newa(const char*, args_size);
if (!switch_root_init) {
char sfd[16];
/* First try to spawn ourselves with the right
* path, and with full serialization. We do
* this only if the user didn't specify an
* explicit init to spawn. */
assert(serialization);
assert(fds);
snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
char_array_0(sfd);
i = 0;
args[i++] = SYSTEMD_BINARY_PATH;
if (switch_root_dir)
args[i++] = "--switched-root";
args[i++] = arg_running_as == MANAGER_SYSTEM ? "--system" : "--user";
args[i++] = "--deserialize";
args[i++] = sfd;
args[i++] = NULL;
assert(i <= args_size);
execv(args[0], (char* const*) args);
}
/* Try the fallback, if there is any, without any
* serialization. We pass the original argv[] and
* envp[]. (Well, modulo the ordering changes due to
* getopt() in argv[], and some cleanups in envp[],
* but let's hope that doesn't matter.) */
if (serialization) {
fclose(serialization);
serialization = NULL;
}
if (fds) {
fdset_free(fds);
fds = NULL;
}
for (j = 1, i = 1; j < argc; j++)
args[i++] = argv[j];
args[i++] = NULL;
assert(i <= args_size);
if (switch_root_init) {
args[0] = switch_root_init;
execv(args[0], (char* const*) args);
log_warning("Failed to execute configured init, trying fallback: %m");
}
args[0] = "/sbin/init";
execv(args[0], (char* const*) args);
log_warning("Failed to execute /sbin/init, trying fallback: %m");
args[0] = "/bin/sh";
args[1] = NULL;
execv(args[0], (char* const*) args);
log_error("Failed to execute /bin/sh, giving up: %m");
}
if (serialization)
fclose(serialization);
if (fds)
fdset_free(fds);
if (shutdown_verb) {
const char * command_line[] = {
SYSTEMD_SHUTDOWN_BINARY_PATH,
shutdown_verb,
NULL
};
char **env_block;
if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) {
char e[32];
/* If we reboot let's set the shutdown
* watchdog and tell the shutdown binary to
* repeatedly ping it */
watchdog_set_timeout(&arg_shutdown_watchdog);
watchdog_close(false);
/* Tell the binary how often to ping */
snprintf(e, sizeof(e), "WATCHDOG_USEC=%llu", (unsigned long long) arg_shutdown_watchdog);
char_array_0(e);
env_block = strv_append(environ, e);
} else {
env_block = strv_copy(environ);
watchdog_close(true);
}
execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
free(env_block);
log_error("Failed to execute shutdown binary, freezing: %m");
}
if (getpid() == 1)
freeze();
return retval;
}