#ifdef HAVE_VALGRIND_VALGRIND_H
#include <valgrind/valgrind.h>
#endif
+#ifdef HAVE_SECCOMP
+#include <seccomp.h>
+#endif
#include "sd-daemon.h"
#include "sd-messages.h"
#include "sd-bus.h"
-#include "manager.h"
#include "log.h"
-#include "load-fragment.h"
#include "fdset.h"
#include "special.h"
#include "conf-parser.h"
#include "missing.h"
#include "label.h"
+#include "pager.h"
#include "build.h"
#include "strv.h"
#include "def.h"
#include "virt.h"
+#include "architecture.h"
#include "watchdog.h"
#include "path-util.h"
#include "switch-root.h"
#include "capability.h"
#include "killall.h"
#include "env-util.h"
-#include "hwclock.h"
+#include "clock-util.h"
#include "fileio.h"
-#include "dbus-manager.h"
#include "bus-error.h"
#include "bus-util.h"
+#include "selinux-util.h"
+#include "manager.h"
+#include "dbus-manager.h"
+#include "load-fragment.h"
#include "mount-setup.h"
#include "loopback-setup.h"
#include "selinux-setup.h"
#include "ima-setup.h"
#include "smack-setup.h"
-#ifdef HAVE_KMOD
#include "kmod-setup.h"
-#endif
static enum {
ACTION_RUN,
ACTION_DUMP_CONFIGURATION_ITEMS,
ACTION_DONE
} arg_action = ACTION_RUN;
-
static char *arg_default_unit = NULL;
static SystemdRunningAs arg_running_as = _SYSTEMD_RUNNING_AS_INVALID;
-
static bool arg_dump_core = true;
static bool arg_crash_shell = false;
static int arg_crash_chvt = -1;
static bool arg_confirm_spawn = false;
-static ShowStatus arg_show_status = SHOW_STATUS_UNSET;
+static ShowStatus arg_show_status = _SHOW_STATUS_UNSET;
static bool arg_switched_root = false;
+static int arg_no_pager = -1;
static char ***arg_join_controllers = NULL;
static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
static usec_t arg_runtime_watchdog = 0;
static usec_t arg_shutdown_watchdog = 10 * USEC_PER_MINUTE;
static char **arg_default_environment = NULL;
-static struct rlimit *arg_default_rlimit[RLIMIT_NLIMITS] = {};
+static struct rlimit *arg_default_rlimit[_RLIMIT_MAX] = {};
static uint64_t arg_capability_bounding_set_drop = 0;
-static nsec_t arg_timer_slack_nsec = (nsec_t) -1;
+static nsec_t arg_timer_slack_nsec = NSEC_INFINITY;
+static usec_t arg_default_timer_accuracy_usec = 1 * USEC_PER_MINUTE;
+static Set* arg_syscall_archs = NULL;
+static FILE* arg_serialization = NULL;
+static bool arg_default_cpu_accounting = false;
+static bool arg_default_blockio_accounting = false;
+static bool arg_default_memory_accounting = false;
+
+static void nop_handler(int sig) {}
+
+static void pager_open_if_enabled(void) {
-static FILE* serialization = NULL;
+ if (arg_no_pager <= 0)
+ return;
-static void nop_handler(int sig) {
+ pager_open(false);
}
noreturn static void crash(int sig) {
/* Pass this on immediately, if this is not PID 1 */
raise(sig);
else if (!arg_dump_core)
- log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
+ log_emergency("Caught <%s>, not dumping core.", signal_to_string(sig));
else {
struct sigaction sa = {
.sa_handler = nop_handler,
/* We want to wait for the core process, hence let's enable SIGCHLD */
sigaction(SIGCHLD, &sa, NULL);
- pid = fork();
+ pid = raw_clone(SIGCHLD, NULL);
if (pid < 0)
- log_error("Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig));
+ log_emergency_errno(errno, "Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig));
else if (pid == 0) {
struct rlimit rl = {};
chdir("/");
/* Raise the signal again */
- raise(sig);
+ pid = raw_getpid();
+ kill(pid, sig); /* raise() would kill the parent */
assert_not_reached("We shouldn't be here...");
_exit(1);
-
} else {
siginfo_t status;
int r;
/* Order things nicely. */
r = wait_for_terminate(pid, &status);
if (r < 0)
- log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(-r));
+ log_emergency_errno(r, "Caught <%s>, waitpid() failed: %m", signal_to_string(sig));
else if (status.si_code != CLD_DUMPED)
- log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
+ log_emergency("Caught <%s>, core dump failed (child "PID_FMT", code=%s, status=%i/%s).",
+ signal_to_string(sig),
+ pid, sigchld_code_to_string(status.si_code),
+ status.si_status,
+ strna(status.si_code == CLD_EXITED
+ ? exit_status_to_string(status.si_status, EXIT_STATUS_FULL)
+ : signal_to_string(status.si_status)));
else
- log_error("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid);
+ log_emergency("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid);
}
}
/* Let the kernel reap children for us */
assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
- pid = fork();
+ pid = raw_clone(SIGCHLD, NULL);
if (pid < 0)
- log_error("Failed to fork off crash shell: %m");
+ log_emergency_errno(errno, "Failed to fork off crash shell: %m");
else if (pid == 0) {
make_console_stdio();
- execl("/bin/sh", "/bin/sh", NULL);
+ execle("/bin/sh", "/bin/sh", NULL, environ);
- log_error("execl() failed: %m");
+ log_emergency_errno(errno, "execle() failed: %m");
_exit(1);
- }
-
- log_info("Successfully spawned crash shell as pid "PID_FMT".", pid);
+ } else
+ log_info("Successfully spawned crash shell as PID "PID_FMT".", pid);
}
- log_info("Freezing execution.");
+ log_emergency("Freezing execution.");
freeze();
}
static void install_crash_handler(void) {
- struct sigaction sa = {
+ static const struct sigaction sa = {
.sa_handler = crash,
- .sa_flags = SA_NODEFER,
+ .sa_flags = SA_NODEFER, /* So that we can raise the signal again from the signal handler */
};
+ int r;
- sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
+ /* We ignore the return value here, since, we don't mind if we
+ * cannot set up a crash handler */
+ r = sigaction_many(&sa, SIGNALS_CRASH_HANDLER, -1);
+ if (r < 0)
+ log_debug_errno(r, "I had trouble setting up the crash handler, ignoring: %m");
}
-static int console_setup(bool do_reset) {
- int tty_fd, r;
-
- /* If we are init, we connect stdin/stdout/stderr to /dev/null
- * and make sure we don't have a controlling tty. */
-
- release_terminal();
-
- if (!do_reset)
- return 0;
+static int console_setup(void) {
+ _cleanup_close_ int tty_fd = -1;
+ int r;
tty_fd = open_terminal("/dev/console", O_WRONLY|O_NOCTTY|O_CLOEXEC);
- if (tty_fd < 0) {
- log_error("Failed to open /dev/console: %s", strerror(-tty_fd));
- return -tty_fd;
- }
+ if (tty_fd < 0)
+ return log_error_errno(tty_fd, "Failed to open /dev/console: %m");
- /* We don't want to force text mode.
- * plymouth may be showing pictures already from initrd. */
+ /* We don't want to force text mode. plymouth may be showing
+ * pictures already from initrd. */
r = reset_terminal_fd(tty_fd, false);
if (r < 0)
- log_error("Failed to reset /dev/console: %s", strerror(-r));
+ return log_error_errno(r, "Failed to reset /dev/console: %m");
- close_nointr_nofail(tty_fd);
- return r;
+ return 0;
}
static int set_default_unit(const char *u) {
return 0;
}
-static int parse_proc_cmdline_word(const char *word) {
+static int parse_proc_cmdline_item(const char *key, const char *value) {
static const char * const rlmap[] = {
"emergency", SPECIAL_EMERGENCY_TARGET,
"-b", SPECIAL_EMERGENCY_TARGET,
+ "rescue", SPECIAL_RESCUE_TARGET,
"single", SPECIAL_RESCUE_TARGET,
"-s", SPECIAL_RESCUE_TARGET,
"s", SPECIAL_RESCUE_TARGET,
"4", SPECIAL_RUNLEVEL4_TARGET,
"5", SPECIAL_RUNLEVEL5_TARGET,
};
+ int r;
- assert(word);
+ assert(key);
- if (startswith(word, "systemd.unit=")) {
+ if (streq(key, "systemd.unit") && value) {
if (!in_initrd())
- return set_default_unit(word + 13);
+ return set_default_unit(value);
- } else if (startswith(word, "rd.systemd.unit=")) {
+ } else if (streq(key, "rd.systemd.unit") && value) {
if (in_initrd())
- return set_default_unit(word + 16);
-
- } else if (startswith(word, "systemd.log_target=")) {
-
- if (log_set_target_from_string(word + 19) < 0)
- log_warning("Failed to parse log target %s. Ignoring.", word + 19);
-
- } else if (startswith(word, "systemd.log_level=")) {
+ return set_default_unit(value);
- if (log_set_max_level_from_string(word + 18) < 0)
- log_warning("Failed to parse log level %s. Ignoring.", word + 18);
+ } else if (streq(key, "systemd.dump_core") && value) {
- } else if (startswith(word, "systemd.log_color=")) {
-
- if (log_show_color_from_string(word + 18) < 0)
- log_warning("Failed to parse log color setting %s. Ignoring.", word + 18);
-
- } else if (startswith(word, "systemd.log_location=")) {
-
- if (log_show_location_from_string(word + 21) < 0)
- log_warning("Failed to parse log location setting %s. Ignoring.", word + 21);
-
- } else if (startswith(word, "systemd.dump_core=")) {
- int r;
-
- if ((r = parse_boolean(word + 18)) < 0)
- log_warning("Failed to parse dump core switch %s. Ignoring.", word + 18);
+ r = parse_boolean(value);
+ if (r < 0)
+ log_warning("Failed to parse dump core switch %s. Ignoring.", value);
else
arg_dump_core = r;
- } else if (startswith(word, "systemd.crash_shell=")) {
- int r;
+ } else if (streq(key, "systemd.crash_shell") && value) {
- if ((r = parse_boolean(word + 20)) < 0)
- log_warning("Failed to parse crash shell switch %s. Ignoring.", word + 20);
+ r = parse_boolean(value);
+ if (r < 0)
+ log_warning("Failed to parse crash shell switch %s. Ignoring.", value);
else
arg_crash_shell = r;
- } else if (startswith(word, "systemd.confirm_spawn=")) {
- int r;
+ } else if (streq(key, "systemd.crash_chvt") && value) {
- if ((r = parse_boolean(word + 22)) < 0)
- log_warning("Failed to parse confirm spawn switch %s. Ignoring.", word + 22);
+ if (safe_atoi(value, &r) < 0)
+ log_warning("Failed to parse crash chvt switch %s. Ignoring.", value);
else
- arg_confirm_spawn = r;
+ arg_crash_chvt = r;
- } else if (startswith(word, "systemd.crash_chvt=")) {
- int k;
+ } else if (streq(key, "systemd.confirm_spawn") && value) {
- if (safe_atoi(word + 19, &k) < 0)
- log_warning("Failed to parse crash chvt switch %s. Ignoring.", word + 19);
+ r = parse_boolean(value);
+ if (r < 0)
+ log_warning("Failed to parse confirm spawn switch %s. Ignoring.", value);
else
- arg_crash_chvt = k;
+ arg_confirm_spawn = r;
- } else if (startswith(word, "systemd.show_status=")) {
- int r;
+ } else if (streq(key, "systemd.show_status") && value) {
- r = parse_show_status(word + 20, &arg_show_status);
+ r = parse_show_status(value, &arg_show_status);
if (r < 0)
- log_warning("Failed to parse show status switch %s. Ignoring.", word + 20);
- } else if (startswith(word, "systemd.default_standard_output=")) {
- int r;
+ log_warning("Failed to parse show status switch %s. Ignoring.", value);
+
+ } else if (streq(key, "systemd.default_standard_output") && value) {
- if ((r = exec_output_from_string(word + 32)) < 0)
- log_warning("Failed to parse default standard output switch %s. Ignoring.", word + 32);
+ r = exec_output_from_string(value);
+ if (r < 0)
+ log_warning("Failed to parse default standard output switch %s. Ignoring.", value);
else
arg_default_std_output = r;
- } else if (startswith(word, "systemd.default_standard_error=")) {
- int r;
- if ((r = exec_output_from_string(word + 31)) < 0)
- log_warning("Failed to parse default standard error switch %s. Ignoring.", word + 31);
+ } else if (streq(key, "systemd.default_standard_error") && value) {
+
+ r = exec_output_from_string(value);
+ if (r < 0)
+ log_warning("Failed to parse default standard error switch %s. Ignoring.", value);
else
arg_default_std_error = r;
- } else if (startswith(word, "systemd.setenv=")) {
- _cleanup_free_ char *cenv = NULL;
- cenv = strdup(word + 15);
- if (!cenv)
- return -ENOMEM;
+ } else if (streq(key, "systemd.setenv") && value) {
- if (env_assignment_is_valid(cenv)) {
+ if (env_assignment_is_valid(value)) {
char **env;
- env = strv_env_set(arg_default_environment, cenv);
+ env = strv_env_set(arg_default_environment, value);
if (env)
arg_default_environment = env;
else
- log_warning("Setting environment variable '%s' failed, ignoring: %m", cenv);
+ log_warning_errno(ENOMEM, "Setting environment variable '%s' failed, ignoring: %m", value);
} else
- log_warning("Environment variable name '%s' is not valid. Ignoring.", cenv);
-
- } else if (startswith(word, "systemd.") ||
- (in_initrd() && startswith(word, "rd.systemd."))) {
-
- const char *c;
-
- /* Ignore systemd.journald.xyz and friends */
- c = word;
- if (startswith(c, "rd."))
- c += 3;
- if (startswith(c, "systemd."))
- c += 8;
- if (c[strcspn(c, ".=")] != '.') {
-
- log_warning("Unknown kernel switch %s. Ignoring.", word);
-
- log_info("Supported kernel switches:\n"
- "systemd.unit=UNIT Default unit to start\n"
- "rd.systemd.unit=UNIT Default unit to start when run in initrd\n"
- "systemd.dump_core=0|1 Dump core on crash\n"
- "systemd.crash_shell=0|1 Run shell on crash\n"
- "systemd.crash_chvt=N Change to VT #N on crash\n"
- "systemd.confirm_spawn=0|1 Confirm every process spawn\n"
- "systemd.show_status=0|1|auto Show status updates on the console during bootup\n"
- "systemd.log_target=console|kmsg|journal|journal-or-kmsg|syslog|syslog-or-kmsg|null\n"
- " Log target\n"
- "systemd.log_level=LEVEL Log level\n"
- "systemd.log_color=0|1 Highlight important log messages\n"
- "systemd.log_location=0|1 Include code location in log messages\n"
- "systemd.default_standard_output=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
- " Set default log output for services\n"
- "systemd.default_standard_error=null|tty|syslog|syslog+console|kmsg|kmsg+console|journal|journal+console\n"
- " Set default log error output for services\n"
- "systemd.setenv=ASSIGNMENT Set an environment variable for all spawned processes\n");
- }
+ log_warning("Environment variable name '%s' is not valid. Ignoring.", value);
+
+ } else if (streq(key, "quiet") && !value) {
- } else if (streq(word, "quiet")) {
- if (arg_show_status == SHOW_STATUS_UNSET)
+ if (arg_show_status == _SHOW_STATUS_UNSET)
arg_show_status = SHOW_STATUS_AUTO;
- } else if (streq(word, "debug")) {
- /* Log to kmsg, the journal socket will fill up before the
- * journal is started and tools running during that time
- * will block with every log message for for 60 seconds,
- * before they give up. */
- log_set_max_level(LOG_DEBUG);
- log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_CONSOLE : LOG_TARGET_KMSG);
- } else if (!in_initrd()) {
+
+ } else if (streq(key, "debug") && !value) {
+
+ /* Note that log_parse_environment() handles 'debug'
+ * too, and sets the log level to LOG_DEBUG. */
+
+ if (detect_container(NULL) > 0)
+ log_set_target(LOG_TARGET_CONSOLE);
+
+ } else if (!in_initrd() && !value) {
unsigned i;
/* SysV compatibility */
for (i = 0; i < ELEMENTSOF(rlmap); i += 2)
- if (streq(word, rlmap[i]))
+ if (streq(key, rlmap[i]))
return set_default_unit(rlmap[i+1]);
}
DEFINE_SETTER(config_parse_color, log_show_color_from_string, "color" )
DEFINE_SETTER(config_parse_location, log_show_location_from_string, "location")
-static int config_parse_cpu_affinity2(const char *unit,
- const char *filename,
- unsigned line,
- const char *section,
- unsigned section_line,
- const char *lvalue,
- int ltype,
- const char *rvalue,
- void *data,
- void *userdata) {
-
- char *w;
+static int config_parse_cpu_affinity2(
+ const char *unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ const char *word, *state;
size_t l;
- char *state;
cpu_set_t *c = NULL;
unsigned ncpus = 0;
assert(lvalue);
assert(rvalue);
- FOREACH_WORD_QUOTED(w, l, rvalue, state) {
+ FOREACH_WORD_QUOTED(word, l, rvalue, state) {
char *t;
int r;
unsigned cpu;
- if (!(t = strndup(w, l)))
+ if (!(t = strndup(word, l)))
return log_oom();
r = safe_atou(t, &cpu);
CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
}
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Trailing garbage, ignoring.");
if (c) {
if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
- log_warning_unit(unit, "Failed to set CPU affinity: %m");
+ log_unit_warning(unit, "Failed to set CPU affinity: %m");
CPU_FREE(c);
}
return 0;
}
+static int config_parse_show_status(
+ const char* unit,
+ const char *filename,
+ unsigned line,
+ const char *section,
+ unsigned section_line,
+ const char *lvalue,
+ int ltype,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ int k;
+ ShowStatus *b = data;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+ assert(data);
+
+ k = parse_show_status(rvalue, b);
+ if (k < 0) {
+ log_syntax(unit, LOG_ERR, filename, line, -k,
+ "Failed to parse show status setting, ignoring: %s", rvalue);
+ return 0;
+ }
+
+ return 0;
+}
+
static void strv_free_free(char ***l) {
char ***i;
void *userdata) {
unsigned n = 0;
- char *state, *w;
+ const char *word, *state;
size_t length;
assert(filename);
free_join_controllers();
- FOREACH_WORD_QUOTED(w, length, rvalue, state) {
+ FOREACH_WORD_QUOTED(word, length, rvalue, state) {
char *s, **l;
- s = strndup(w, length);
+ s = strndup(word, length);
if (!s)
return log_oom();
arg_join_controllers = t;
}
}
+ if (!isempty(state))
+ log_syntax(unit, LOG_ERR, filename, line, EINVAL,
+ "Trailing garbage, ignoring.");
return 0;
}
static int parse_config_file(void) {
const ConfigTableItem items[] = {
- { "Manager", "LogLevel", config_parse_level2, 0, NULL },
- { "Manager", "LogTarget", config_parse_target, 0, NULL },
- { "Manager", "LogColor", config_parse_color, 0, NULL },
- { "Manager", "LogLocation", config_parse_location, 0, NULL },
- { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
- { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
- { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status },
- { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
- { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
- { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
- { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
- { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec },
- { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec },
- { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec },
- { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval },
- { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst },
- { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
- { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog },
- { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog },
- { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
- { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec },
- { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment },
- { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU]},
- { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE]},
- { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA]},
- { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK]},
- { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE]},
- { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS]},
- { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE]},
- { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS]},
- { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC]},
- { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK]},
- { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS]},
- { "Manager", "DefaultLimitSIGPENDING",config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING]},
- { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE]},
- { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE]},
- { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO]},
- { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME]},
- { NULL, NULL, NULL, 0, NULL }
+ { "Manager", "LogLevel", config_parse_level2, 0, NULL },
+ { "Manager", "LogTarget", config_parse_target, 0, NULL },
+ { "Manager", "LogColor", config_parse_color, 0, NULL },
+ { "Manager", "LogLocation", config_parse_location, 0, NULL },
+ { "Manager", "DumpCore", config_parse_bool, 0, &arg_dump_core },
+ { "Manager", "CrashShell", config_parse_bool, 0, &arg_crash_shell },
+ { "Manager", "ShowStatus", config_parse_show_status, 0, &arg_show_status },
+ { "Manager", "CrashChVT", config_parse_int, 0, &arg_crash_chvt },
+ { "Manager", "CPUAffinity", config_parse_cpu_affinity2, 0, NULL },
+ { "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
+ { "Manager", "RuntimeWatchdogSec", config_parse_sec, 0, &arg_runtime_watchdog },
+ { "Manager", "ShutdownWatchdogSec", config_parse_sec, 0, &arg_shutdown_watchdog },
+ { "Manager", "CapabilityBoundingSet", config_parse_bounding_set, 0, &arg_capability_bounding_set_drop },
+#ifdef HAVE_SECCOMP
+ { "Manager", "SystemCallArchitectures", config_parse_syscall_archs, 0, &arg_syscall_archs },
+#endif
+ { "Manager", "TimerSlackNSec", config_parse_nsec, 0, &arg_timer_slack_nsec },
+ { "Manager", "DefaultTimerAccuracySec", config_parse_sec, 0, &arg_default_timer_accuracy_usec },
+ { "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
+ { "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
+ { "Manager", "DefaultTimeoutStartSec", config_parse_sec, 0, &arg_default_timeout_start_usec },
+ { "Manager", "DefaultTimeoutStopSec", config_parse_sec, 0, &arg_default_timeout_stop_usec },
+ { "Manager", "DefaultRestartSec", config_parse_sec, 0, &arg_default_restart_usec },
+ { "Manager", "DefaultStartLimitInterval", config_parse_sec, 0, &arg_default_start_limit_interval },
+ { "Manager", "DefaultStartLimitBurst", config_parse_unsigned, 0, &arg_default_start_limit_burst },
+ { "Manager", "DefaultEnvironment", config_parse_environ, 0, &arg_default_environment },
+ { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU] },
+ { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE] },
+ { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA] },
+ { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK] },
+ { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE] },
+ { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS] },
+ { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE] },
+ { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS] },
+ { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC] },
+ { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK] },
+ { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS] },
+ { "Manager", "DefaultLimitSIGPENDING", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING] },
+ { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE] },
+ { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE] },
+ { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO] },
+ { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME] },
+ { "Manager", "DefaultCPUAccounting", config_parse_bool, 0, &arg_default_cpu_accounting },
+ { "Manager", "DefaultBlockIOAccounting", config_parse_bool, 0, &arg_default_blockio_accounting },
+ { "Manager", "DefaultMemoryAccounting", config_parse_bool, 0, &arg_default_memory_accounting },
+ {}
};
- _cleanup_fclose_ FILE *f;
- const char *fn;
- int r;
+ const char *fn, *conf_dirs_nulstr;
fn = arg_running_as == SYSTEMD_SYSTEM ? PKGSYSCONFDIR "/system.conf" : PKGSYSCONFDIR "/user.conf";
- f = fopen(fn, "re");
- if (!f) {
- if (errno == ENOENT)
- return 0;
-
- log_warning("Failed to open configuration file '%s': %m", fn);
- return 0;
- }
-
- r = config_parse(NULL, fn, f, "Manager\0", config_item_table_lookup, (void*) items, false, false, NULL);
- if (r < 0)
- log_warning("Failed to parse configuration file: %s", strerror(-r));
-
- return 0;
-}
-
-static int parse_proc_cmdline(void) {
- _cleanup_free_ char *line = NULL;
- char *w, *state;
- size_t l;
- int r;
-
- r = proc_cmdline(&line);
- if (r < 0)
- log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
- if (r <= 0)
- return 0;
-
- FOREACH_WORD_QUOTED(w, l, line, state) {
- _cleanup_free_ char *word;
-
- word = strndup(w, l);
- if (!word)
- return log_oom();
-
- r = parse_proc_cmdline_word(word);
- if (r < 0) {
- log_error("Failed on cmdline argument %s: %s", word, strerror(-r));
- return r;
- }
- }
+ conf_dirs_nulstr = arg_running_as == SYSTEMD_SYSTEM ? CONF_DIRS_NULSTR("systemd/system.conf") : CONF_DIRS_NULSTR("systemd/user.conf");
+ config_parse_many(fn, conf_dirs_nulstr, "Manager\0",
+ config_item_table_lookup, items, false, NULL);
return 0;
}
ARG_SYSTEM,
ARG_USER,
ARG_TEST,
+ ARG_NO_PAGER,
ARG_VERSION,
ARG_DUMP_CONFIGURATION_ITEMS,
ARG_DUMP_CORE,
{ "system", no_argument, NULL, ARG_SYSTEM },
{ "user", no_argument, NULL, ARG_USER },
{ "test", no_argument, NULL, ARG_TEST },
+ { "no-pager", no_argument, NULL, ARG_NO_PAGER },
{ "help", no_argument, NULL, 'h' },
{ "version", no_argument, NULL, ARG_VERSION },
{ "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
{ "switched-root", no_argument, NULL, ARG_SWITCHED_ROOT },
{ "default-standard-output", required_argument, NULL, ARG_DEFAULT_STD_OUTPUT, },
{ "default-standard-error", required_argument, NULL, ARG_DEFAULT_STD_ERROR, },
- { NULL, 0, NULL, 0 }
+ {}
};
int c, r;
switch (c) {
case ARG_LOG_LEVEL:
- if ((r = log_set_max_level_from_string(optarg)) < 0) {
+ r = log_set_max_level_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse log level %s.", optarg);
return r;
}
break;
case ARG_LOG_TARGET:
-
- if ((r = log_set_target_from_string(optarg)) < 0) {
+ r = log_set_target_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse log target %s.", optarg);
return r;
}
case ARG_LOG_COLOR:
if (optarg) {
- if ((r = log_show_color_from_string(optarg)) < 0) {
+ r = log_show_color_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse log color setting %s.", optarg);
return r;
}
break;
case ARG_LOG_LOCATION:
-
if (optarg) {
- if ((r = log_show_location_from_string(optarg)) < 0) {
+ r = log_show_location_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse log location setting %s.", optarg);
return r;
}
break;
case ARG_DEFAULT_STD_OUTPUT:
-
- if ((r = exec_output_from_string(optarg)) < 0) {
+ r = exec_output_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse default standard output setting %s.", optarg);
return r;
} else
break;
case ARG_DEFAULT_STD_ERROR:
-
- if ((r = exec_output_from_string(optarg)) < 0) {
+ r = exec_output_from_string(optarg);
+ if (r < 0) {
log_error("Failed to parse default standard error output setting %s.", optarg);
return r;
} else
case ARG_UNIT:
- if ((r = set_default_unit(optarg)) < 0) {
- log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
- return r;
- }
+ r = set_default_unit(optarg);
+ if (r < 0)
+ return log_error_errno(r, "Failed to set default unit %s: %m", optarg);
break;
case ARG_TEST:
arg_action = ACTION_TEST;
+ if (arg_no_pager < 0)
+ arg_no_pager = true;
+ break;
+
+ case ARG_NO_PAGER:
+ arg_no_pager = true;
break;
case ARG_VERSION:
fd_cloexec(fd, true);
f = fdopen(fd, "r");
- if (!f) {
- log_error("Failed to open serialization fd: %m");
- return -errno;
- }
+ if (!f)
+ return log_error_errno(errno, "Failed to open serialization fd: %m");
- if (serialization)
- fclose(serialization);
+ if (arg_serialization)
+ fclose(arg_serialization);
- serialization = f;
+ arg_serialization = f;
break;
}
case 'h':
arg_action = ACTION_HELP;
+ if (arg_no_pager < 0)
+ arg_no_pager = true;
break;
case 'D':
* parse_proc_cmdline_word() or ignore. */
case '?':
- default:
- if (getpid() != 1) {
- log_error("Unknown option code %c", c);
+ if (getpid() != 1)
return -EINVAL;
- }
+ else
+ return 0;
- break;
+ default:
+ assert_not_reached("Unhandled option code.");
}
if (optind < argc && getpid() != 1) {
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++) {
- r = parse_proc_cmdline_word(*a);
- if (r < 0) {
- log_error("Failed on cmdline argument %s: %s", *a, strerror(-r));
- return r;
- }
- }
- }
-
return 0;
}
"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"
+ " --no-pager Do not pipe output into a pager\n"
" --dump-configuration-items Dump understood unit configuration items\n"
" --unit=UNIT Set default unit\n"
" --system Run a system instance, even if PID != 1\n"
" --crash-shell[=0|1] Run shell on crash\n"
" --confirm-spawn[=0|1] Ask for confirmation when spawning processes\n"
" --show-status[=0|1] Show status updates on the console during bootup\n"
- " --log-target=TARGET Set log target (console, journal, syslog, kmsg, journal-or-kmsg, syslog-or-kmsg, null)\n"
+ " --log-target=TARGET Set log target (console, journal, kmsg, journal-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"
r = manager_open_serialization(m, &f);
if (r < 0) {
- log_error("Failed to create serialization file: %s", strerror(-r));
+ log_error_errno(r, "Failed to create serialization file: %m");
goto fail;
}
fds = fdset_new();
if (!fds) {
r = -ENOMEM;
- log_error("Failed to allocate fd set: %s", strerror(-r));
+ log_error_errno(r, "Failed to allocate fd set: %m");
goto fail;
}
r = manager_serialize(m, f, fds, switching_root);
if (r < 0) {
- log_error("Failed to serialize state: %s", strerror(-r));
+ log_error_errno(r, "Failed to serialize state: %m");
goto fail;
}
if (fseeko(f, 0, SEEK_SET) < 0) {
- log_error("Failed to rewind serialization fd: %m");
+ log_error_errno(errno, "Failed to rewind serialization fd: %m");
goto fail;
}
r = fd_cloexec(fileno(f), false);
if (r < 0) {
- log_error("Failed to disable O_CLOEXEC for serialization: %s", strerror(-r));
+ log_error_errno(r, "Failed to disable O_CLOEXEC for serialization: %m");
goto fail;
}
r = fdset_cloexec(fds, false);
if (r < 0) {
- log_error("Failed to disable O_CLOEXEC for serialization fds: %s", strerror(-r));
+ log_error_errno(r, "Failed to disable O_CLOEXEC for serialization fds: %m");
goto fail;
}
/* Save the original RLIMIT_NOFILE so that we can reset it
* later when transitioning from the initrd to the main
* systemd or suchlike. */
- if (getrlimit(RLIMIT_NOFILE, saved_rlimit) < 0) {
- log_error("Reading RLIMIT_NOFILE failed: %m");
- return -errno;
- }
+ if (getrlimit(RLIMIT_NOFILE, saved_rlimit) < 0)
+ return log_error_errno(errno, "Reading RLIMIT_NOFILE failed: %m");
/* Make sure forked processes get the default kernel setting */
if (!arg_default_rlimit[RLIMIT_NOFILE]) {
/* Bump up the resource limit for ourselves substantially */
nl.rlim_cur = nl.rlim_max = 64*1024;
r = setrlimit_closest(RLIMIT_NOFILE, &nl);
- if (r < 0) {
- log_error("Setting RLIMIT_NOFILE failed: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Setting RLIMIT_NOFILE failed: %m");
return 0;
}
static void test_mtab(void) {
- char *p;
- /* Check that /etc/mtab is a symlink */
+ static const char ok[] =
+ "/proc/self/mounts\0"
+ "/proc/mounts\0"
+ "../proc/self/mounts\0"
+ "../proc/mounts\0";
- if (readlink_malloc("/etc/mtab", &p) >= 0) {
- bool b;
+ _cleanup_free_ char *p = NULL;
+ int r;
- b = streq(p, "/proc/self/mounts") || streq(p, "/proc/mounts");
- free(p);
+ /* Check that /etc/mtab is a symlink to the right place or
+ * non-existing. But certainly not a file, or a symlink to
+ * some weird place... */
- if (b)
- return;
- }
+ r = readlink_malloc("/etc/mtab", &p);
+ if (r == -ENOENT)
+ return;
+ if (r >= 0 && nulstr_contains(ok, p))
+ return;
log_warning("/etc/mtab is not a symlink or not pointing to /proc/self/mounts. "
"This is not supported anymore. "
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. "
+ log_warning("/usr appears to be on its own filesystem 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);
-}
-
static int initialize_join_controllers(void) {
/* By default, mount "cpu" + "cpuacct" together, and "net_cls"
* + "net_prio". We'd like to add "cpuset" to the mix, but
- * "cpuset" does't really work for groups with no initialized
+ * "cpuset" doesn't really work for groups with no initialized
* attributes. */
arg_join_controllers = new(char**, 3);
return 0;
}
+static int enforce_syscall_archs(Set *archs) {
+#ifdef HAVE_SECCOMP
+ scmp_filter_ctx *seccomp;
+ Iterator i;
+ void *id;
+ int r;
+
+ seccomp = seccomp_init(SCMP_ACT_ALLOW);
+ if (!seccomp)
+ return log_oom();
+
+ SET_FOREACH(id, arg_syscall_archs, i) {
+ r = seccomp_arch_add(seccomp, PTR_TO_UINT32(id) - 1);
+ if (r == -EEXIST)
+ continue;
+ if (r < 0) {
+ log_error_errno(r, "Failed to add architecture to seccomp: %m");
+ goto finish;
+ }
+ }
+
+ r = seccomp_attr_set(seccomp, SCMP_FLTATR_CTL_NNP, 0);
+ if (r < 0) {
+ log_error_errno(r, "Failed to unset NO_NEW_PRIVS: %m");
+ goto finish;
+ }
+
+ r = seccomp_load(seccomp);
+ if (r < 0)
+ log_error_errno(r, "Failed to add install architecture seccomp: %m");
+
+finish:
+ seccomp_release(seccomp);
+ return r;
+#else
+ return 0;
+#endif
+}
+
+static int status_welcome(void) {
+ _cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL;
+ int r;
+
+ r = parse_env_file("/etc/os-release", NEWLINE,
+ "PRETTY_NAME", &pretty_name,
+ "ANSI_COLOR", &ansi_color,
+ NULL);
+ if (r == -ENOENT) {
+ r = parse_env_file("/usr/lib/os-release", NEWLINE,
+ "PRETTY_NAME", &pretty_name,
+ "ANSI_COLOR", &ansi_color,
+ NULL);
+ }
+
+ if (r < 0 && r != -ENOENT)
+ log_warning_errno(r, "Failed to read os-release file: %m");
+
+ return status_printf(NULL, false, false,
+ "\nWelcome to \x1B[%sm%s\x1B[0m!\n",
+ isempty(ansi_color) ? "1" : ansi_color,
+ isempty(pretty_name) ? "Linux" : pretty_name);
+}
+
+static int write_container_id(void) {
+ const char *c;
+
+ c = getenv("container");
+ if (isempty(c))
+ return 0;
+
+ return write_string_file("/run/systemd/container", c);
+}
+
int main(int argc, char *argv[]) {
Manager *m = NULL;
int r, retval = EXIT_FAILURE;
FDSet *fds = NULL;
bool reexecute = false;
const char *shutdown_verb = NULL;
- dual_timestamp initrd_timestamp = { 0ULL, 0ULL };
- dual_timestamp userspace_timestamp = { 0ULL, 0ULL };
- dual_timestamp kernel_timestamp = { 0ULL, 0ULL };
- dual_timestamp security_start_timestamp = { 0ULL, 0ULL };
- dual_timestamp security_finish_timestamp = { 0ULL, 0ULL };
+ dual_timestamp initrd_timestamp = DUAL_TIMESTAMP_NULL;
+ dual_timestamp userspace_timestamp = DUAL_TIMESTAMP_NULL;
+ dual_timestamp kernel_timestamp = DUAL_TIMESTAMP_NULL;
+ dual_timestamp security_start_timestamp = DUAL_TIMESTAMP_NULL;
+ dual_timestamp security_finish_timestamp = DUAL_TIMESTAMP_NULL;
static char systemd[] = "systemd";
bool skip_setup = false;
- int j;
+ unsigned j;
bool loaded_policy = false;
bool arm_reboot_watchdog = false;
bool queue_default_job = false;
+ bool empty_etc = false;
char *switch_root_dir = NULL, *switch_root_init = NULL;
- static struct rlimit saved_rlimit_nofile = { 0, 0 };
+ struct rlimit saved_rlimit_nofile = RLIMIT_MAKE_CONST(0);
+ const char *error_message = NULL;
#ifdef HAVE_SYSV_COMPAT
if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
errno = -ENOENT;
execv(SYSTEMCTL_BINARY_PATH, argv);
- log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
+ log_error_errno(errno, "Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
return 1;
}
#endif
saved_argc = argc;
log_show_color(isatty(STDERR_FILENO) > 0);
+ log_set_upgrade_syslog_to_journal(true);
/* Disable the umask logic */
if (getpid() == 1)
if (!skip_setup) {
mount_setup_early();
dual_timestamp_get(&security_start_timestamp);
- if (selinux_setup(&loaded_policy) < 0)
+ if (mac_selinux_setup(&loaded_policy) < 0) {
+ error_message = "Failed to load SELinux policy";
goto finish;
- if (ima_setup() < 0)
+ } else if (ima_setup() < 0) {
+ error_message = "Failed to load IMA policy";
goto finish;
- if (smack_setup() < 0)
+ } else if (mac_smack_setup(&loaded_policy) < 0) {
+ error_message = "Failed to load SMACK policy";
goto finish;
+ }
dual_timestamp_get(&security_finish_timestamp);
}
- if (label_init(NULL) < 0)
+ if (mac_selinux_init(NULL) < 0) {
+ error_message = "Failed to initialize SELinux policy";
goto finish;
+ }
if (!skip_setup) {
- if (hwclock_is_localtime() > 0) {
+ if (clock_is_localtime() > 0) {
int min;
- /* The first-time call to settimeofday() does a time warp in the kernel */
- r = hwclock_set_timezone(&min);
+ /*
+ * The very first call of settimeofday() also does a time warp in the kernel.
+ *
+ * In the rtc-in-local time mode, we set the kernel's timezone, and rely on
+ * external tools to take care of maintaining the RTC and do all adjustments.
+ * This matches the behavior of Windows, which leaves the RTC alone if the
+ * registry tells that the RTC runs in UTC.
+ */
+ r = clock_set_timezone(&min);
if (r < 0)
- log_error("Failed to apply local time delta, ignoring: %s", strerror(-r));
+ log_error_errno(r, "Failed to apply local time delta, ignoring: %m");
else
log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min);
} else if (!in_initrd()) {
/*
- * Do dummy first-time call to seal the kernel's time warp magic
+ * Do a dummy very first call to seal the kernel's time warp magic.
*
* Do not call this this from inside the initrd. The initrd might not
* carry /etc/adjtime with LOCAL, but the real system could be set up
* that way. In such case, we need to delay the time-warp or the sealing
* until we reach the real system.
+ *
+ * Do no set the kernel's timezone. The concept of local time cannot
+ * be supported reliably, the time will jump or be incorrect at every daylight
+ * saving time change. All kernel local time concepts will be treated
+ * as UTC that way.
*/
- hwclock_reset_timezone();
-
- /* Tell the kernel our timezone */
- r = hwclock_set_timezone(NULL);
- if (r < 0)
- log_error("Failed to set the kernel's timezone, ignoring: %s", strerror(-r));
+ clock_reset_timewarp();
}
}
/* Initialize default unit */
r = set_default_unit(SPECIAL_DEFAULT_TARGET);
if (r < 0) {
- log_error("Failed to set default unit %s: %s", SPECIAL_DEFAULT_TARGET, strerror(-r));
+ log_emergency_errno(r, "Failed to set default unit %s: %m", SPECIAL_DEFAULT_TARGET);
+ error_message = "Failed to set default unit";
goto finish;
}
r = initialize_join_controllers();
- if (r < 0)
+ if (r < 0) {
+ error_message = "Failed to initalize cgroup controllers";
goto finish;
+ }
/* Mount /proc, /sys and friends, so that /proc/cmdline and
* /proc/$PID/fd is available. */
if (getpid() == 1) {
+
+ /* Load the kernel modules early, so that we kdbus.ko is loaded before kdbusfs shall be mounted */
+ if (!skip_setup)
+ kmod_setup();
+
r = mount_setup(loaded_policy);
- if (r < 0)
+ if (r < 0) {
+ error_message = "Failed to mount API filesystems";
goto finish;
+ }
}
/* Reset all signal handlers. */
ignore_signals(SIGNALS_IGNORE, -1);
- if (parse_config_file() < 0)
+ if (parse_config_file() < 0) {
+ error_message = "Failed to parse config file";
goto finish;
+ }
- if (arg_running_as == SYSTEMD_SYSTEM)
- if (parse_proc_cmdline() < 0)
- goto finish;
+ if (arg_running_as == SYSTEMD_SYSTEM) {
+ r = parse_proc_cmdline(parse_proc_cmdline_item);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse kernel command line, ignoring: %m");
+ }
+ /* Note that this also parses bits from the kernel command
+ * line, including "debug". */
log_parse_environment();
- if (parse_argv(argc, argv) < 0)
+ if (parse_argv(argc, argv) < 0) {
+ error_message = "Failed to parse commandline arguments";
goto finish;
+ }
if (arg_action == ACTION_TEST &&
geteuid() == 0) {
goto finish;
}
+ if (arg_action == ACTION_TEST)
+ skip_setup = true;
+
+ pager_open_if_enabled();
+
if (arg_action == ACTION_HELP) {
retval = help();
goto finish;
/* Remember open file descriptors for later deserialization */
r = fdset_new_fill(&fds);
if (r < 0) {
- log_error("Failed to allocate fd set: %s", strerror(-r));
+ log_emergency_errno(r, "Failed to allocate fd set: %m");
+ error_message = "Failed to allocate fd set";
goto finish;
} else
fdset_cloexec(fds, true);
- if (serialization)
- assert_se(fdset_remove(fds, fileno(serialization)) >= 0);
+ if (arg_serialization)
+ assert_se(fdset_remove(fds, fileno(arg_serialization)) >= 0);
if (arg_running_as == SYSTEMD_SYSTEM)
/* Become a session leader if we aren't one yet. */
/* Reset the console, but only if this is really init and we
* are freshly booted */
- if (arg_running_as == SYSTEMD_SYSTEM && arg_action == ACTION_RUN)
- console_setup(getpid() == 1 && !skip_setup);
+ if (arg_running_as == SYSTEMD_SYSTEM && arg_action == ACTION_RUN) {
+
+ /* If we are init, we connect stdin/stdout/stderr to
+ * /dev/null and make sure we don't have a controlling
+ * tty. */
+ release_terminal();
+
+ if (getpid() == 1 && !skip_setup)
+ console_setup();
+ }
/* Open the logging devices, if possible and necessary */
log_open();
+ if (arg_show_status == _SHOW_STATUS_UNSET)
+ arg_show_status = SHOW_STATUS_YES;
+
/* Make sure we leave a core dump without panicing the
* kernel. */
if (getpid() == 1) {
if (arg_running_as == SYSTEMD_SYSTEM) {
const char *virtualization = NULL;
- log_info(PACKAGE_STRING " running in system mode. (" SYSTEMD_FEATURES ")");
+ log_info(PACKAGE_STRING " running in %ssystem mode. (" SYSTEMD_FEATURES ")",
+ arg_action == ACTION_TEST ? "test " : "" );
detect_virtualization(&virtualization);
if (virtualization)
log_info("Detected virtualization '%s'.", virtualization);
+ write_container_id();
+
+ log_info("Detected architecture '%s'.", architecture_to_string(uname_architecture()));
+
if (in_initrd())
log_info("Running in initial RAM disk.");
+ /* Let's check whether /etc is already populated. We
+ * don't actually really check for that, but use
+ * /etc/machine-id as flag file. This allows container
+ * managers and installers to provision a couple of
+ * files already. If the container manager wants to
+ * provision the machine ID itself it should pass
+ * $container_uuid to PID 1. */
+
+ empty_etc = access("/etc/machine-id", F_OK) < 0;
+ if (empty_etc)
+ log_info("Running with unpopulated /etc.");
} else {
- _cleanup_free_ char *t = uid_to_name(getuid());
- log_debug(PACKAGE_STRING " running in user mode for user "PID_FMT"/%s. (" SYSTEMD_FEATURES ")",
- getuid(), t);
+ _cleanup_free_ char *t;
+
+ t = uid_to_name(getuid());
+ log_debug(PACKAGE_STRING " running in %suser mode for user "UID_FMT"/%s. (" SYSTEMD_FEATURES ")",
+ arg_action == ACTION_TEST ? " test" : "", getuid(), t);
}
if (arg_running_as == SYSTEMD_SYSTEM && !skip_setup) {
if (arg_show_status > 0 || plymouth_running())
status_welcome();
-#ifdef HAVE_KMOD
- if (detect_container(NULL) <= 0)
- kmod_setup();
-#endif
hostname_setup();
- machine_id_setup();
+ machine_id_setup(NULL);
loopback_setup();
test_mtab();
test_usr();
- test_cgroups();
}
if (arg_running_as == SYSTEMD_SYSTEM && arg_runtime_watchdog > 0)
watchdog_set_timeout(&arg_runtime_watchdog);
- if (arg_timer_slack_nsec != (nsec_t) -1)
+ if (arg_timer_slack_nsec != NSEC_INFINITY)
if (prctl(PR_SET_TIMERSLACK, arg_timer_slack_nsec) < 0)
- log_error("Failed to adjust timer slack: %m");
+ log_error_errno(errno, "Failed to adjust timer slack: %m");
if (arg_capability_bounding_set_drop) {
r = capability_bounding_set_drop_usermode(arg_capability_bounding_set_drop);
if (r < 0) {
- log_error("Failed to drop capability bounding set of usermode helpers: %s", strerror(-r));
+ log_emergency_errno(r, "Failed to drop capability bounding set of usermode helpers: %m");
+ error_message = "Failed to drop capability bounding set of usermode helpers";
goto finish;
}
r = capability_bounding_set_drop(arg_capability_bounding_set_drop, true);
if (r < 0) {
- log_error("Failed to drop capability bounding set: %s", strerror(-r));
+ log_emergency_errno(r, "Failed to drop capability bounding set: %m");
+ error_message = "Failed to drop capability bounding set";
+ goto finish;
+ }
+ }
+
+ if (arg_syscall_archs) {
+ r = enforce_syscall_archs(arg_syscall_archs);
+ if (r < 0) {
+ error_message = "Failed to set syscall architectures";
goto finish;
}
}
if (arg_running_as == SYSTEMD_USER) {
/* Become reaper of our children */
if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) {
- log_warning("Failed to make us a subreaper: %m");
+ log_warning_errno(errno, "Failed to make us a subreaper: %m");
if (errno == EINVAL)
log_info("Perhaps the kernel version is too old (< 3.4?)");
}
}
- if (arg_running_as == SYSTEMD_SYSTEM)
+ if (arg_running_as == SYSTEMD_SYSTEM) {
bump_rlimit_nofile(&saved_rlimit_nofile);
- r = manager_new(arg_running_as, &m);
+ if (empty_etc) {
+ r = unit_file_preset_all(UNIT_FILE_SYSTEM, false, NULL, UNIT_FILE_PRESET_FULL, false, NULL, 0);
+ if (r < 0)
+ log_warning_errno(r, "Failed to populate /etc with preset unit settings, ignoring: %m");
+ else
+ log_info("Populated /etc with preset unit settings.");
+ }
+ }
+
+ r = manager_new(arg_running_as, arg_action == ACTION_TEST, &m);
if (r < 0) {
- log_error("Failed to allocate manager object: %s", strerror(-r));
+ log_emergency_errno(r, "Failed to allocate manager object: %m");
+ error_message = "Failed to allocate manager object";
goto finish;
}
m->confirm_spawn = arg_confirm_spawn;
+ m->default_timer_accuracy_usec = arg_default_timer_accuracy_usec;
m->default_std_output = arg_default_std_output;
m->default_std_error = arg_default_std_error;
m->default_restart_usec = arg_default_restart_usec;
m->default_timeout_stop_usec = arg_default_timeout_stop_usec;
m->default_start_limit_interval = arg_default_start_limit_interval;
m->default_start_limit_burst = arg_default_start_limit_burst;
+ m->default_cpu_accounting = arg_default_cpu_accounting;
+ m->default_blockio_accounting = arg_default_blockio_accounting;
+ m->default_memory_accounting = arg_default_memory_accounting;
m->runtime_watchdog = arg_runtime_watchdog;
m->shutdown_watchdog = arg_shutdown_watchdog;
+
m->userspace_timestamp = userspace_timestamp;
m->kernel_timestamp = kernel_timestamp;
m->initrd_timestamp = initrd_timestamp;
m->security_finish_timestamp = security_finish_timestamp;
manager_set_default_rlimits(m, arg_default_rlimit);
-
- if (arg_default_environment)
- manager_environment_add(m, NULL, arg_default_environment);
-
- if (arg_show_status == SHOW_STATUS_UNSET)
- arg_show_status = SHOW_STATUS_YES;
+ manager_environment_add(m, NULL, arg_default_environment);
manager_set_show_status(m, arg_show_status);
+ manager_set_first_boot(m, empty_etc);
/* Remember whether we should queue the default job */
- queue_default_job = !serialization || arg_switched_root;
+ queue_default_job = !arg_serialization || arg_switched_root;
before_startup = now(CLOCK_MONOTONIC);
- r = manager_startup(m, serialization, fds);
+ r = manager_startup(m, arg_serialization, fds);
if (r < 0)
- log_error("Failed to fully start up daemon: %s", strerror(-r));
+ log_error_errno(r, "Failed to fully start up daemon: %m");
/* 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;
+ if (arg_serialization) {
+ fclose(arg_serialization);
+ arg_serialization = NULL;
}
if (queue_default_job) {
if (r < 0)
log_error("Failed to load default target: %s", bus_error_message(&error, r));
else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND)
- log_error("Failed to load default target: %s", strerror(-target->load_error));
+ log_error_errno(target->load_error, "Failed to load default target: %m");
else if (target->load_state == UNIT_MASKED)
log_error("Default target masked.");
r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target);
if (r < 0) {
- log_error("Failed to load rescue target: %s", bus_error_message(&error, r));
+ log_emergency("Failed to load rescue target: %s", bus_error_message(&error, r));
+ error_message = "Failed to load rescue target";
goto finish;
} else if (target->load_state == UNIT_ERROR || target->load_state == UNIT_NOT_FOUND) {
- log_error("Failed to load rescue target: %s", strerror(-target->load_error));
+ log_emergency_errno(target->load_error, "Failed to load rescue target: %m");
+ error_message = "Failed to load rescue target";
goto finish;
} else if (target->load_state == UNIT_MASKED) {
- log_error("Rescue target masked.");
+ log_emergency("Rescue target masked.");
+ error_message = "Rescue target masked";
goto finish;
}
}
r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, &default_unit_job);
if (r < 0) {
- log_error("Failed to start default target: %s", bus_error_message(&error, r));
+ log_emergency("Failed to start default target: %s", bus_error_message(&error, r));
+ error_message = "Failed to start default target";
goto finish;
}
} else if (r < 0) {
- log_error("Failed to isolate default target: %s", bus_error_message(&error, r));
+ log_emergency("Failed to isolate default target: %s", bus_error_message(&error, r));
+ error_message = "Failed to isolate default target";
goto finish;
}
after_startup = now(CLOCK_MONOTONIC);
log_full(arg_action == ACTION_TEST ? LOG_INFO : LOG_DEBUG,
"Loaded units and determined initial transaction in %s.",
- format_timespan(timespan, sizeof(timespan), after_startup - before_startup, 0));
+ format_timespan(timespan, sizeof(timespan), after_startup - before_startup, 100 * USEC_PER_MSEC));
if (arg_action == ACTION_TEST) {
printf("-> By jobs:\n");
for (;;) {
r = manager_loop(m);
if (r < 0) {
- log_error("Failed to run mainloop: %s", strerror(-r));
+ log_emergency_errno(r, "Failed to run main loop: %m");
+ error_message = "Failed to run main loop";
goto finish;
}
log_info("Reloading.");
r = manager_reload(m);
if (r < 0)
- log_error("Failed to reload: %s", strerror(-r));
+ log_error_errno(r, "Failed to reload: %m");
break;
case MANAGER_REEXECUTE:
- if (prepare_reexecute(m, &serialization, &fds, false) < 0)
+ if (prepare_reexecute(m, &arg_serialization, &fds, false) < 0) {
+ error_message = "Failed to prepare for reexection";
goto finish;
+ }
reexecute = true;
log_notice("Reexecuting.");
m->switch_root = m->switch_root_init = NULL;
if (!switch_root_init)
- if (prepare_reexecute(m, &serialization, &fds, true) < 0)
+ if (prepare_reexecute(m, &arg_serialization, &fds, true) < 0) {
+ error_message = "Failed to prepare for reexection";
goto finish;
+ }
reexecute = true;
log_notice("Switching root.");
}
finish:
+ pager_close();
+
if (m)
- manager_free(m);
+ arg_shutdown_watchdog = m->shutdown_watchdog;
+ m = manager_free(m);
- for (j = 0; j < RLIMIT_NLIMITS; j++)
+ for (j = 0; j < ELEMENTSOF(arg_default_rlimit); j++) {
free(arg_default_rlimit[j]);
+ arg_default_rlimit[j] = NULL;
+ }
free(arg_default_unit);
+ arg_default_unit = NULL;
+
free_join_controllers();
- label_finish();
+ strv_free(arg_default_environment);
+ arg_default_environment = NULL;
+
+ set_free(arg_syscall_archs);
+ arg_syscall_archs = NULL;
+
+ mac_selinux_finish();
if (reexecute) {
const char **args;
* deserializing. */
broadcast_signal(SIGTERM, false, true);
- /* And switch root */
- r = switch_root(switch_root_dir);
+ /* And switch root with MS_MOVE, because we remove the old directory afterwards and detach it. */
+ r = switch_root(switch_root_dir, "/mnt", true, MS_MOVE);
if (r < 0)
- log_error("Failed to switch root, ignoring: %s", strerror(-r));
+ log_error_errno(r, "Failed to switch root, trying to continue: %m");
}
args_size = MAX(6, argc+1);
args = newa(const char*, args_size);
if (!switch_root_init) {
- char sfd[16];
+ char sfd[DECIMAL_STR_MAX(int) + 1];
/* 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(arg_serialization);
assert(fds);
- snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
- char_array_0(sfd);
+ xsprintf(sfd, "%i", fileno(arg_serialization));
i = 0;
args[i++] = SYSTEMD_BINARY_PATH;
* getopt() in argv[], and some cleanups in envp[],
* but let's hope that doesn't matter.) */
- if (serialization) {
- fclose(serialization);
- serialization = NULL;
+ if (arg_serialization) {
+ fclose(arg_serialization);
+ arg_serialization = NULL;
}
if (fds) {
/* Reopen the console */
make_console_stdio();
- for (j = 1, i = 1; j < argc; j++)
+ for (j = 1, i = 1; j < (unsigned) argc; j++)
args[i++] = argv[j];
args[i++] = NULL;
assert(i <= args_size);
+ /* Reenable any blocked signals, especially important
+ * if we switch from initial ramdisk to init=... */
+ reset_all_signal_handlers();
+ reset_signal_mask();
+
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");
+ log_warning_errno(errno, "Failed to execute configured init, trying fallback: %m");
}
args[0] = "/sbin/init";
args[0] = "/bin/sh";
args[1] = NULL;
execv(args[0], (char* const*) args);
- log_error("Failed to execute /bin/sh, giving up: %m");
+ log_error_errno(errno, "Failed to execute /bin/sh, giving up: %m");
} else
- log_warning("Failed to execute /sbin/init, giving up: %m");
+ log_warning_errno(errno, "Failed to execute /sbin/init, giving up: %m");
}
- if (serialization)
- fclose(serialization);
+ if (arg_serialization) {
+ fclose(arg_serialization);
+ arg_serialization = NULL;
+ }
- if (fds)
+ if (fds) {
fdset_free(fds);
+ fds = NULL;
+ }
#ifdef HAVE_VALGRIND_VALGRIND_H
/* If we are PID 1 and running under valgrind, then let's exit
#endif
if (shutdown_verb) {
- const char * command_line[] = {
+ char log_level[DECIMAL_STR_MAX(int) + 1];
+ const char* command_line[9] = {
SYSTEMD_SHUTDOWN_BINARY_PATH,
shutdown_verb,
- NULL
+ "--log-level", log_level,
+ "--log-target",
};
+ unsigned pos = 5;
_cleanup_strv_free_ char **env_block = NULL;
+
+ assert(command_line[pos] == NULL);
env_block = strv_copy(environ);
+ xsprintf(log_level, "%d", log_get_max_level());
+
+ switch (log_get_target()) {
+ case LOG_TARGET_KMSG:
+ case LOG_TARGET_JOURNAL_OR_KMSG:
+ case LOG_TARGET_SYSLOG_OR_KMSG:
+ command_line[pos++] = "kmsg";
+ break;
+
+ case LOG_TARGET_CONSOLE:
+ default:
+ command_line[pos++] = "console";
+ break;
+ };
+
+ if (log_get_show_color())
+ command_line[pos++] = "--log-color";
+
+ if (log_get_show_location())
+ command_line[pos++] = "--log-location";
+
+ assert(pos < ELEMENTSOF(command_line));
+
if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) {
char *e;
/* If we reboot let's set the shutdown
* watchdog and tell the shutdown binary to
* repeatedly ping it */
- watchdog_set_timeout(&arg_shutdown_watchdog);
- watchdog_close(false);
+ r = watchdog_set_timeout(&arg_shutdown_watchdog);
+ watchdog_close(r < 0);
/* Tell the binary how often to ping, ignore failure */
if (asprintf(&e, "WATCHDOG_USEC="USEC_FMT, arg_shutdown_watchdog) > 0)
cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER);
execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
- log_error("Failed to execute shutdown binary, freezing: %m");
+ log_error_errno(errno, "Failed to execute shutdown binary, %s: %m",
+ getpid() == 1 ? "freezing" : "quitting");
}
- if (getpid() == 1)
+ if (getpid() == 1) {
+ if (error_message)
+ manager_status_printf(NULL, STATUS_TYPE_EMERGENCY,
+ ANSI_HIGHLIGHT_RED_ON "!!!!!!" ANSI_HIGHLIGHT_OFF,
+ "%s, freezing.", error_message);
freeze();
+ }
return retval;
}
~ianmdlvl / elogind.git / blobdiff