main.c revision 9f28b98ec6461b4e06edd1e149c1ee5e9dcc4be0
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering/***
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering This file is part of systemd.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Copyright 2010 Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering systemd is free software; you can redistribute it and/or modify it
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering under the terms of the GNU Lesser General Public License as published by
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering the Free Software Foundation; either version 2.1 of the License, or
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering (at your option) any later version.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering systemd is distributed in the hope that it will be useful, but
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering WITHOUT ANY WARRANTY; without even the implied warranty of
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering Lesser General Public License for more details.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering You should have received a copy of the GNU Lesser General Public License
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering along with systemd; If not, see <http://www.gnu.org/licenses/>.
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering***/
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include <dbus/dbus.h>
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include <stdio.h>
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include <errno.h>
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include <string.h>
96115cdfe0241ae9b4e7177cd3874c0a93d00b39Thomas Hindoe Paaboel Andersen#include <unistd.h>
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include <sys/types.h>
4b357e15876b730343db08719c877fdb45b6ad42Michael Marineau#include <sys/stat.h>
4b357e15876b730343db08719c877fdb45b6ad42Michael Marineau#include <getopt.h>
4b357e15876b730343db08719c877fdb45b6ad42Michael Marineau#include <signal.h>
4b357e15876b730343db08719c877fdb45b6ad42Michael Marineau#include <sys/wait.h>
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering#include <fcntl.h>
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering#include <sys/prctl.h>
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "manager.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "log.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "load-fragment.h"
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek#include "fdset.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "special.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "conf-parser.h"
9a5cb1371b6d8b0a04bd08665bcf9b06cb40c64cZbigniew Jędrzejewski-Szmek#include "bus-errors.h"
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering#include "missing.h"
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering#include "label.h"
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering#include "build.h"
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering#include "strv.h"
1b9e5b126359a2a2ec37de1f94f046093abc74b8Lennart Poettering#include "def.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "virt.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "watchdog.h"
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering#include "mount-setup.h"
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering#include "loopback-setup.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "kmod-setup.h"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering#include "hostname-setup.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "machine-id-setup.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "locale-setup.h"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#include "selinux-setup.h"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering#include "ima-setup.h"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poetteringstatic enum {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering ACTION_RUN,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering ACTION_HELP,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering ACTION_TEST,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering ACTION_DUMP_CONFIGURATION_ITEMS,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering ACTION_DONE
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering} arg_action = ACTION_RUN;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic char *arg_default_unit = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_dump_core = true;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_crash_shell = false;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int arg_crash_chvt = -1;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_confirm_spawn = false;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_show_status = true;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#ifdef HAVE_SYSV_COMPAT
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic bool arg_sysv_console = true;
1ebab691c7749779072741f71865bd0e055b7ecfLennart Poettering#endif
c3834f9b881f2b1a68dc7d797c134f0b66b47b57Lennart Poetteringstatic bool arg_mount_auto = true;
c3834f9b881f2b1a68dc7d797c134f0b66b47b57Lennart Poetteringstatic bool arg_swap_auto = true;
ee530d8b73246f29781bd54a707ca75c7ef5a6cbLennart Poetteringstatic char **arg_default_controllers = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic char ***arg_join_controllers = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic usec_t arg_runtime_watchdog = 0;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic FILE* serialization = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic void nop_handler(int sig) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering_noreturn_ static void crash(int sig) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!arg_dump_core)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering else {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering struct sigaction sa;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering pid_t pid;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering /* We want to wait for the core process, hence let's enable SIGCHLD */
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering zero(sa);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering sa.sa_handler = nop_handler;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering sa.sa_flags = SA_NOCLDSTOP|SA_RESTART;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering if ((pid = fork()) < 0)
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering else if (pid == 0) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering struct rlimit rl;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Enable default signal handler for core dump */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering zero(sa);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering sa.sa_handler = SIG_DFL;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering assert_se(sigaction(sig, &sa, NULL) == 0);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Don't limit the core dump size */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering zero(rl);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering rl.rlim_cur = RLIM_INFINITY;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering rl.rlim_max = RLIM_INFINITY;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering setrlimit(RLIMIT_CORE, &rl);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Just to be sure... */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering assert_se(chdir("/") == 0);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Raise the signal again */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering raise(sig);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering assert_not_reached("We shouldn't be here...");
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering _exit(1);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering } else {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering siginfo_t status;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering int r;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Order things nicely. */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering if ((r = wait_for_terminate(pid, &status)) < 0)
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r));
c3834f9b881f2b1a68dc7d797c134f0b66b47b57Lennart Poettering else if (status.si_code != CLD_DUMPED)
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering else
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering }
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering }
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering if (arg_crash_chvt)
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering chvt(arg_crash_chvt);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering if (arg_crash_shell) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering struct sigaction sa;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering pid_t pid;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_info("Executing crash shell in 10s...");
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering sleep(10);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* Let the kernel reap children for us */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering zero(sa);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering sa.sa_handler = SIG_IGN;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering sa.sa_flags = SA_NOCLDSTOP|SA_NOCLDWAIT|SA_RESTART;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering if ((pid = fork()) < 0)
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Failed to fork off crash shell: %s", strerror(errno));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering else if (pid == 0) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering int fd, r;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering if ((fd = acquire_terminal("/dev/console", false, true, true)) < 0)
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Failed to acquire terminal: %s", strerror(-fd));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering else if ((r = make_stdio(fd)) < 0)
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Failed to duplicate terminal fd: %s", strerror(-r));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering execl("/bin/sh", "/bin/sh", NULL);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("execl() failed: %s", strerror(errno));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering _exit(1);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering }
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering }
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_info("Freezing execution.");
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering freeze();
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering}
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic void install_crash_handler(void) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering struct sigaction sa;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering zero(sa);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering sa.sa_handler = crash;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering sa.sa_flags = SA_NODEFER;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering}
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic int console_setup(bool do_reset) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering int tty_fd, r;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* If we are init, we connect stdin/stdout/stderr to /dev/null
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering * and make sure we don't have a controlling tty. */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering release_terminal();
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering if (!do_reset)
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering return 0;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering if (tty_fd < 0) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Failed to open /dev/console: %s", strerror(-tty_fd));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering return -tty_fd;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering }
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering /* We don't want to force text mode.
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering * plymouth may be showing pictures already from initrd. */
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering r = reset_terminal_fd(tty_fd, false);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering if (r < 0)
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering log_error("Failed to reset /dev/console: %s", strerror(-r));
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering close_nointr_nofail(tty_fd);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering return r;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering}
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poetteringstatic int set_default_unit(const char *u) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering char *c;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering assert(u);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering if (!(c = strdup(u)))
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering free(arg_default_unit);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering arg_default_unit = c;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering return 0;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering}
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poetteringstatic int parse_proc_cmdline_word(const char *word) {
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering static const char * const rlmap[] = {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering "emergency", SPECIAL_EMERGENCY_TARGET,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering "-b", SPECIAL_EMERGENCY_TARGET,
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering "single", SPECIAL_RESCUE_TARGET,
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering "-s", SPECIAL_RESCUE_TARGET,
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering "s", SPECIAL_RESCUE_TARGET,
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering "S", SPECIAL_RESCUE_TARGET,
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering "1", SPECIAL_RESCUE_TARGET,
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering "2", SPECIAL_RUNLEVEL2_TARGET,
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering "3", SPECIAL_RUNLEVEL3_TARGET,
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering "4", SPECIAL_RUNLEVEL4_TARGET,
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering "5", SPECIAL_RUNLEVEL5_TARGET,
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering };
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(word);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering if (startswith(word, "systemd.unit="))
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering return set_default_unit(word + 13);
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering else if (startswith(word, "systemd.log_target=")) {
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (log_set_target_from_string(word + 19) < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering log_warning("Failed to parse log target %s. Ignoring.", word + 19);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering } else if (startswith(word, "systemd.log_level=")) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (log_set_max_level_from_string(word + 18) < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering log_warning("Failed to parse log level %s. Ignoring.", word + 18);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
c3834f9b881f2b1a68dc7d797c134f0b66b47b57Lennart Poettering } else if (startswith(word, "systemd.log_color=")) {
c3834f9b881f2b1a68dc7d797c134f0b66b47b57Lennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering if (log_show_color_from_string(word + 18) < 0)
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering log_warning("Failed to parse log color setting %s. Ignoring.", word + 18);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering } else if (startswith(word, "systemd.log_location=")) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering if (log_show_location_from_string(word + 21) < 0)
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering log_warning("Failed to parse log location setting %s. Ignoring.", word + 21);
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering } else if (startswith(word, "systemd.dump_core=")) {
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering int r;
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if ((r = parse_boolean(word + 18)) < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18);
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering else
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering arg_dump_core = r;
1af7211984a8dba3c5ba40fae794c4c55f5e6bd3Lennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering } else if (startswith(word, "systemd.crash_shell=")) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering int r;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering if ((r = parse_boolean(word + 20)) < 0)
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering else
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering arg_crash_shell = r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering } else if (startswith(word, "systemd.confirm_spawn=")) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if ((r = parse_boolean(word + 22)) < 0)
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering else
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering arg_confirm_spawn = r;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering } else if (startswith(word, "systemd.crash_chvt=")) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering int k;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering if (safe_atoi(word + 19, &k) < 0)
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering else
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering arg_crash_chvt = k;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering } else if (startswith(word, "systemd.show_status=")) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if ((r = parse_boolean(word + 20)) < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse show status switch %s. Ignoring.", word + 20);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering else
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering arg_show_status = r;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (startswith(word, "systemd.default_standard_output=")) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering int r;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if ((r = exec_output_from_string(word + 32)) < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering else
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering arg_default_std_output = r;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (startswith(word, "systemd.default_standard_error=")) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering int r;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if ((r = exec_output_from_string(word + 31)) < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering else
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering arg_default_std_error = r;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (startswith(word, "systemd.setenv=")) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering char *cenv, *eq;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering int r;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering cenv = strdup(word + 15);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (!cenv)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering return -ENOMEM;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering eq = strchr(cenv, '=');
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (!eq) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering r = unsetenv(cenv);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (r < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("unsetenv failed %s. Ignoring.", strerror(errno));
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering *eq = 0;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering r = setenv(cenv, eq + 1, 1);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (r < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("setenv failed %s. Ignoring.", strerror(errno));
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering }
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering free(cenv);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering#ifdef HAVE_SYSV_COMPAT
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (startswith(word, "systemd.sysv_console=")) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering int r;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if ((r = parse_boolean(word + 21)) < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to parse SysV console switch %s. Ignoring.", word + 20);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering else
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering arg_sysv_console = r;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering#endif
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering } else if (startswith(word, "systemd.")) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Unknown kernel switch %s. Ignoring.", word);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_info("Supported kernel switches:\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.unit=UNIT Default unit to start\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.dump_core=0|1 Dump core on crash\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.crash_shell=0|1 Run shell on crash\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.crash_chvt=N Change to VT #N on crash\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.show_status=0|1 Show status updates on the console during bootup\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering#ifdef HAVE_SYSV_COMPAT
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.sysv_console=0|1 Connect output of SysV scripts to console\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering#endif
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n"
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek " Log target\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.log_level=LEVEL Log level\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.log_color=0|1 Highlight important log messages\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.log_location=0|1 Include code location in log messages\n"
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering " Set default log output for services\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering " Set default log error output for services\n");
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering } else if (streq(word, "quiet")) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering arg_show_status = false;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#ifdef HAVE_SYSV_COMPAT
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering arg_sysv_console = false;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering#endif
b47d419c25ecc735615a1088060c1ec8bef1e41fZbigniew Jędrzejewski-Szmek } else {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering unsigned i;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek /* SysV compatibility */
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (streq(word, rlmap[i]))
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return set_default_unit(rlmap[i+1]);
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek }
9c4495ca561624c2f0085507dd1288ed5f1247c5Tomasz Torcz
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return 0;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering}
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poetteringstatic int config_parse_level2(
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *filename,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering unsigned line,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *section,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *lvalue,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering int ltype,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *rvalue,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering void *data,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering void *userdata) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(filename);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(lvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_set_max_level_from_string(rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering return 0;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering}
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poetteringstatic int config_parse_target(
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *filename,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering unsigned line,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *section,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *lvalue,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering int ltype,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *rvalue,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering void *data,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering void *userdata) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(filename);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(lvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_set_target_from_string(rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering return 0;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering}
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poetteringstatic int config_parse_color(
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *filename,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering unsigned line,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *section,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *lvalue,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering int ltype,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *rvalue,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering void *data,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering void *userdata) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(filename);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(lvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_show_color_from_string(rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering return 0;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering}
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poetteringstatic int config_parse_location(
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *filename,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering unsigned line,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *section,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *lvalue,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering int ltype,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering const char *rvalue,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering void *data,
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering void *userdata) {
1b9e5b126359a2a2ec37de1f94f046093abc74b8Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(filename);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(lvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_show_location_from_string(rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering return 0;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmekstatic int config_parse_cpu_affinity2(
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek const char *filename,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering unsigned line,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *section,
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek const char *lvalue,
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek int ltype,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const char *rvalue,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering void *data,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering void *userdata) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek char *w;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering size_t l;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering char *state;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering cpu_set_t *c = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering unsigned ncpus = 0;
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(filename);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(lvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering FOREACH_WORD_QUOTED(w, l, rvalue, state) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering char *t;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering int r;
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek unsigned cpu;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!(t = strndup(w, l)))
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering return -ENOMEM;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek r = safe_atou(t, &cpu);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering free(t);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek if (!c)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!(c = cpu_set_malloc(&ncpus)))
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering return -ENOMEM;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0 || cpu >= ncpus) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering CPU_FREE(c);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering return -EBADMSG;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering }
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering }
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (c) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering log_warning("Failed to set CPU affinity: %m");
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering CPU_FREE(c);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering }
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering return 0;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering}
1ca208fb4f93e5869704af1812cbff7130a2fc03Zbigniew Jędrzejewski-Szmek
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic void strv_free_free(char ***l) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering char ***i;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering if (!l)
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering return;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering for (i = l; *i; i++)
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering strv_free(*i);
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering free(l);
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering}
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poetteringstatic void free_join_controllers(void) {
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering if (!arg_join_controllers)
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering return;
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering strv_free_free(arg_join_controllers);
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering arg_join_controllers = NULL;
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering}
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poetteringstatic int config_parse_join_controllers(
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering const char *filename,
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering unsigned line,
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering const char *section,
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering const char *lvalue,
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering int ltype,
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering const char *rvalue,
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering void *data,
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering void *userdata) {
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering unsigned n = 0;
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering char *state, *w;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering size_t length;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering assert(filename);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(lvalue);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering assert(rvalue);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering free_join_controllers();
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering FOREACH_WORD_QUOTED(w, length, rvalue, state) {
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering char *s, **l;
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering s = strndup(w, length);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering if (!s)
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering l = strv_split(s, ",");
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering free(s);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering strv_uniq(l);
b47d419c25ecc735615a1088060c1ec8bef1e41fZbigniew Jędrzejewski-Szmek
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (strv_length(l) <= 1) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering strv_free(l);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering continue;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!arg_join_controllers) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering arg_join_controllers = new(char**, 2);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!arg_join_controllers) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering strv_free(l);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering arg_join_controllers[0] = l;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering arg_join_controllers[1] = NULL;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering n = 1;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering } else {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering char ***a;
b47d419c25ecc735615a1088060c1ec8bef1e41fZbigniew Jędrzejewski-Szmek char ***t;
b47d419c25ecc735615a1088060c1ec8bef1e41fZbigniew Jędrzejewski-Szmek
b47d419c25ecc735615a1088060c1ec8bef1e41fZbigniew Jędrzejewski-Szmek t = new0(char**, n+2);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!t) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering strv_free(l);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering n = 0;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering for (a = arg_join_controllers; *a; a++) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (strv_overlap(*a, l)) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering char **c;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering c = strv_merge(*a, l);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!c) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering strv_free(l);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering strv_free_free(t);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering strv_free(l);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering l = c;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering } else {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering char **c;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering c = strv_copy(*a);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (!c) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering strv_free(l);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering strv_free_free(t);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return -ENOMEM;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering t[n++] = c;
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering t[n++] = strv_uniq(l);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering strv_free_free(arg_join_controllers);
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering arg_join_controllers = t;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering }
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering }
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering return 0;
c51cf05646a11c65daf65c1123c77efb068f4f7bZbigniew Jędrzejewski-Szmek}
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poetteringstatic int parse_config_file(void) {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering const ConfigTableItem items[] = {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "LogLevel", config_parse_level2, 0, NULL },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "LogTarget", config_parse_target, 0, NULL },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "LogColor", config_parse_color, 0, NULL },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "LogLocation", config_parse_location, 0, NULL },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "ShowStatus", config_parse_bool, 0, &arg_show_status },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering#ifdef HAVE_SYSV_COMPAT
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "SysVConsole", config_parse_bool, 0, &arg_sysv_console },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering#endif
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "MountAuto", config_parse_bool, 0, &arg_mount_auto },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "Manager", "SwapAuto", config_parse_bool, 0, &arg_swap_auto },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultControllers", config_parse_strv, 0, &arg_default_controllers },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "RuntimeWatchdogSec", config_parse_usec, 0, &arg_runtime_watchdog },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "Manager", "ShutdownWatchdogSec", config_parse_usec, 0, &arg_shutdown_watchdog },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { NULL, NULL, NULL, 0, NULL }
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering };
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering FILE *f;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering const char *fn;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering int r;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : USER_CONFIG_FILE;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering f = fopen(fn, "re");
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering if (!f) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering if (errno == ENOENT)
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering return 0;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_warning("Failed to open configuration file '%s': %m", fn);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering return 0;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering }
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering r = config_parse(fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, NULL);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering if (r < 0)
9a5cb1371b6d8b0a04bd08665bcf9b06cb40c64cZbigniew Jędrzejewski-Szmek log_warning("Failed to parse configuration file: %s", strerror(-r));
9a5cb1371b6d8b0a04bd08665bcf9b06cb40c64cZbigniew Jędrzejewski-Szmek
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering fclose(f);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering return 0;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering}
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poetteringstatic int parse_proc_cmdline(void) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering char *line, *w, *state;
3db604b907323b8df0fc810216f6112056d26a02Lennart Poettering int r;
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering size_t l;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering /* Don't read /proc/cmdline if we are in a container, since
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering * that is only relevant for the host system */
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering if (detect_container(NULL) > 0)
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering return 0;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
98b2f766b24c84fc49a4df954717b1f96bbce00dLennart Poettering if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering return 0;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering }
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering FOREACH_WORD_QUOTED(w, l, line, state) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering char *word;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering if (!(word = strndup(w, l))) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering r = -ENOMEM;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering goto finish;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering }
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering r = parse_proc_cmdline_word(word);
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering free(word);
3db604b907323b8df0fc810216f6112056d26a02Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering if (r < 0)
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering goto finish;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering }
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering r = 0;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
3db604b907323b8df0fc810216f6112056d26a02Lennart Poetteringfinish:
3db604b907323b8df0fc810216f6112056d26a02Lennart Poettering free(line);
61331eab0a53cd9b8446eab6d1ebf1a046d8efc1Lennart Poettering return r;
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering}
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poetteringstatic int parse_argv(int argc, char *argv[]) {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering enum {
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_LOG_LEVEL = 0x100,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_LOG_TARGET,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_LOG_COLOR,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_LOG_LOCATION,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_UNIT,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_SYSTEM,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_USER,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_TEST,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_DUMP_CONFIGURATION_ITEMS,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_DUMP_CORE,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_CRASH_SHELL,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_CONFIRM_SPAWN,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_SHOW_STATUS,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_SYSV_CONSOLE,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_DESERIALIZE,
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering ARG_INTROSPECT,
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering ARG_DEFAULT_STD_OUTPUT,
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering ARG_DEFAULT_STD_ERROR
3db604b907323b8df0fc810216f6112056d26a02Lennart Poettering };
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering
e48fdd84432bbf9c2ecc339183258c7c33116032Lennart Poettering static const struct option options[] = {
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "log-level", required_argument, NULL, ARG_LOG_LEVEL },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "log-target", required_argument, NULL, ARG_LOG_TARGET },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "log-color", optional_argument, NULL, ARG_LOG_COLOR },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "unit", required_argument, NULL, ARG_UNIT },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "system", no_argument, NULL, ARG_SYSTEM },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "user", no_argument, NULL, ARG_USER },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "test", no_argument, NULL, ARG_TEST },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "help", no_argument, NULL, 'h' },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "dump-core", no_argument, NULL, ARG_DUMP_CORE },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering#ifdef HAVE_SYSV_COMPAT
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE },
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering#endif
73b80ec2d999c45ce13f3e034704249d80829f7eLennart Poettering { "deserialize", required_argument, NULL, ARG_DESERIALIZE },
1a14a53cfded6e78c6e8dfb73fdff0039971d642Lennart Poettering { "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:
arg_dump_core = true;
break;
case ARG_CRASH_SHELL:
arg_crash_shell = true;
break;
case ARG_CONFIRM_SPAWN:
arg_confirm_spawn = true;
break;
case ARG_SHOW_STATUS:
if (optarg) {
if ((r = parse_boolean(optarg)) < 0) {
log_error("Failed to show status boolean %s.", optarg);
return r;
}
arg_show_status = r;
} else
arg_show_status = true;
break;
#ifdef HAVE_SYSV_COMPAT
case ARG_SYSV_CONSOLE:
if (optarg) {
if ((r = parse_boolean(optarg)) < 0) {
log_error("Failed to SysV console boolean %s.", optarg);
return r;
}
arg_sysv_console = r;
} else
arg_sysv_console = true;
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_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 Dump core on crash\n"
" --crash-shell Run shell on crash\n"
" --confirm-spawn 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 is_reexec = false;
int j;
bool loaded_policy = false;
bool arm_reboot_watchdog = false;
#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")) {
is_reexec = true;
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) {
arg_running_as = MANAGER_SYSTEM;
log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_CONSOLE : LOG_TARGET_JOURNAL_OR_KMSG);
if (!is_reexec) {
if (selinux_setup(&loaded_policy) < 0)
goto finish;
if (ima_setup() < 0)
goto finish;
}
log_open();
if (label_init() < 0)
goto finish;
if (!is_reexec)
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. */
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 tool chroot-like 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 && !is_reexec);
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 && !is_reexec) {
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->mount_auto = arg_mount_auto;
m->swap_auto = arg_swap_auto;
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_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[15];
unsigned i = 0;
char sfd[16];
assert(serialization);
assert(fds);
args[i++] = SYSTEMD_BINARY_PATH;
args[i++] = "--log-level";
args[i++] = log_level_to_string(log_get_max_level());
args[i++] = "--log-target";
args[i++] = log_target_to_string(log_get_target());
if (arg_running_as == MANAGER_SYSTEM)
args[i++] = "--system";
else
args[i++] = "--user";
if (arg_dump_core)
args[i++] = "--dump-core";
if (arg_crash_shell)
args[i++] = "--crash-shell";
if (arg_confirm_spawn)
args[i++] = "--confirm-spawn";
if (arg_show_status)
args[i++] = "--show-status=1";
else
args[i++] = "--show-status=0";
#ifdef HAVE_SYSV_COMPAT
if (arg_sysv_console)
args[i++] = "--sysv-console=1";
else
args[i++] = "--sysv-console=0";
#endif
snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
char_array_0(sfd);
args[i++] = "--deserialize";
args[i++] = sfd;
args[i++] = NULL;
assert(i <= ELEMENTSOF(args));
/* 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);
execv(args[0], (char* const*) args);
log_error("Failed to reexecute: %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;
}