#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 "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"
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 bool arg_show_status = true;
+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 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 FILE* serialization = NULL;
+static void nop_handler(int sig) {}
+
+static void pager_open_if_enabled(void) {
+
+ if (arg_no_pager <= 0)
+ return;
-static void nop_handler(int sig) {
+ pager_open(false);
}
-_noreturn_ static void crash(int sig) {
+noreturn static void crash(int sig) {
if (getpid() != 1)
/* Pass this on immediately, if this is not PID 1 */
pid = fork();
if (pid < 0)
- log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno));
+ log_error("Caught <%s>, cannot fork for core dump: %m", signal_to_string(sig));
else if (pid == 0) {
struct rlimit rl = {};
else if (status.si_code != CLD_DUMPED)
log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
else
- log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
+ log_error("Caught <%s>, dumped core as pid "PID_FMT".", signal_to_string(sig), pid);
}
}
_exit(1);
}
- log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid);
+ log_info("Successfully spawned crash shell as pid "PID_FMT".", pid);
}
log_info("Freezing execution.");
if (r < 0)
log_error("Failed to reset /dev/console: %s", strerror(-r));
- close_nointr_nofail(tty_fd);
+ safe_close(tty_fd);
return r;
}
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,
"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);
+ return set_default_unit(value);
- } else if (startswith(word, "systemd.log_target=")) {
+ } else if (streq(key, "systemd.log_target") && value) {
- if (log_set_target_from_string(word + 19) < 0)
- log_warning("Failed to parse log target %s. Ignoring.", word + 19);
+ if (log_set_target_from_string(value) < 0)
+ log_warning("Failed to parse log target %s. Ignoring.", value);
- } else if (startswith(word, "systemd.log_level=")) {
+ } else if (streq(key, "systemd.log_level") && value) {
- if (log_set_max_level_from_string(word + 18) < 0)
- log_warning("Failed to parse log level %s. Ignoring.", word + 18);
+ if (log_set_max_level_from_string(value) < 0)
+ log_warning("Failed to parse log level %s. Ignoring.", value);
- } else if (startswith(word, "systemd.log_color=")) {
+ } else if (streq(key, "systemd.log_color") && value) {
- if (log_show_color_from_string(word + 18) < 0)
- log_warning("Failed to parse log color setting %s. Ignoring.", word + 18);
+ if (log_show_color_from_string(value) < 0)
+ log_warning("Failed to parse log color setting %s. Ignoring.", value);
- } else if (startswith(word, "systemd.log_location=")) {
+ } else if (streq(key, "systemd.log_location") && value) {
- if (log_show_location_from_string(word + 21) < 0)
- log_warning("Failed to parse log location setting %s. Ignoring.", word + 21);
+ if (log_show_location_from_string(value) < 0)
+ log_warning("Failed to parse log location setting %s. Ignoring.", value);
- } else if (startswith(word, "systemd.dump_core=")) {
- int r;
+ } else if (streq(key, "systemd.dump_core") && value) {
- 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) {
- if ((r = parse_boolean(word + 20)) < 0)
- log_warning("Failed to parse show status switch %s. Ignoring.", word + 20);
- else
- arg_show_status = r;
- } else if (startswith(word, "systemd.default_standard_output=")) {
- int r;
+ r = parse_show_status(value, &arg_show_status);
+ if (r < 0)
+ 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("Setting environment variable '%s' failed, ignoring: %s", value, strerror(ENOMEM));
} 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 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) {
+
+ log_set_max_level(LOG_NOTICE);
+
+ if (arg_show_status == _SHOW_STATUS_UNSET)
+ arg_show_status = SHOW_STATUS_AUTO;
+
+ } else if (streq(key, "debug") && !value) {
- } else if (streq(word, "quiet"))
- arg_show_status = false;
- 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(LOG_TARGET_KMSG);
- } else if (!in_initrd()) {
+
+ 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) {
+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;
size_t l;
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;
for (a = arg_join_controllers; *a; a++) {
if (strv_overlap(*a, l)) {
- char **c;
-
- c = strv_merge(*a, l);
- if (!c) {
+ if (strv_extend_strv(&l, *a) < 0) {
strv_free(l);
strv_free_free(t);
return log_oom();
}
- strv_free(l);
- l = c;
} else {
char **c;
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_bool, 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;
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;
- }
- }
+ config_parse(NULL, fn, NULL,
+ "Manager\0",
+ config_item_table_lookup, items,
+ false, false, true, 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) {
+ r = set_default_unit(optarg);
+ if (r < 0) {
log_error("Failed to set default unit %s: %s", optarg, strerror(-r));
return r;
}
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:
break;
case ARG_SHOW_STATUS:
- r = optarg ? parse_boolean(optarg) : 1;
- if (r < 0) {
- log_error("Failed to parse show status boolean %s.", optarg);
- return r;
- }
- arg_show_status = r;
+ if (optarg) {
+ r = parse_show_status(optarg, &arg_show_status);
+ if (r < 0) {
+ log_error("Failed to parse show status boolean %s.", optarg);
+ return r;
+ }
+ } else
+ arg_show_status = SHOW_STATUS_YES;
break;
case ARG_DESERIALIZE: {
return -errno;
}
- 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':
* instead. */
for (a = argv; a < argv + argc; a++) {
- r = parse_proc_cmdline_word(*a);
+ _cleanup_free_ char *w;
+ char *value;
+
+ w = strdup(*a);
+ if (!w)
+ return log_oom();
+
+ value = strchr(w, '=');
+ if (value)
+ *(value++) = 0;
+
+ r = parse_proc_cmdline_item(w, value);
if (r < 0) {
log_error("Failed on cmdline argument %s: %s", *a, strerror(-r));
return r;
"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"
}
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. "
"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
return 0;
}
+static int enforce_syscall_archs(Set *archs) {
+#ifdef HAVE_SECCOMP
+ scmp_filter_ctx *seccomp;
+ Iterator i;
+ void *id;
+ int r;
+
+ seccomp = seccomp_init(SCMP_ACT_ALLOW);
+ if (!seccomp)
+ return log_oom();
+
+ SET_FOREACH(id, arg_syscall_archs, i) {
+ r = seccomp_arch_add(seccomp, PTR_TO_UINT32(id) - 1);
+ if (r == -EEXIST)
+ continue;
+ if (r < 0) {
+ log_error("Failed to add architecture to seccomp: %s", strerror(-r));
+ goto finish;
+ }
+ }
+
+ r = seccomp_attr_set(seccomp, SCMP_FLTATR_CTL_NNP, 0);
+ if (r < 0) {
+ log_error("Failed to unset NO_NEW_PRIVS: %s", strerror(-r));
+ goto finish;
+ }
+
+ r = seccomp_load(seccomp);
+ if (r < 0)
+ log_error("Failed to add install architecture seccomp: %s", strerror(-r));
+
+finish:
+ seccomp_release(seccomp);
+ return r;
+#else
+ return 0;
+#endif
+}
+
+static int status_welcome(void) {
+ _cleanup_free_ char *pretty_name = NULL, *ansi_color = NULL;
+ int r;
+
+ r = parse_env_file("/etc/os-release", NEWLINE,
+ "PRETTY_NAME", &pretty_name,
+ "ANSI_COLOR", &ansi_color,
+ NULL);
+ if (r == -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("Failed to read os-release file: %s", strerror(-r));
+
+ return status_printf(NULL, false, false,
+ "\nWelcome to \x1B[%sm%s\x1B[0m!\n",
+ isempty(ansi_color) ? "1" : ansi_color,
+ isempty(pretty_name) ? "Linux" : pretty_name);
+}
+
+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;
dual_timestamp security_finish_timestamp = { 0ULL, 0ULL };
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 };
goto finish;
if (ima_setup() < 0)
goto finish;
- if (smack_setup() < 0)
+ if (smack_setup(&loaded_policy) < 0)
goto finish;
dual_timestamp_get(&security_finish_timestamp);
}
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);
+ r = clock_set_timezone(&min);
if (r < 0)
log_error("Failed to apply local time delta, ignoring: %s", strerror(-r));
else
* that way. In such case, we need to delay the time-warp or the sealing
* until we reach the real system.
*/
- hwclock_reset_timezone();
+ clock_reset_timezone();
/* Tell the kernel our timezone */
- r = hwclock_set_timezone(NULL);
+ r = clock_set_timezone(NULL);
if (r < 0)
log_error("Failed to set the kernel's timezone, ignoring: %s", strerror(-r));
}
/* Running inside a container, as PID 1 */
arg_running_as = SYSTEMD_SYSTEM;
log_set_target(LOG_TARGET_CONSOLE);
+ log_close_console(); /* force reopen of /dev/console */
log_open();
/* For the later on, see above... */
goto finish;
if (arg_running_as == SYSTEMD_SYSTEM)
- if (parse_proc_cmdline() < 0)
+ if (parse_proc_cmdline(parse_proc_cmdline_item) < 0)
goto finish;
log_parse_environment();
goto finish;
}
+ if (arg_action == ACTION_TEST)
+ skip_setup = true;
+
+ pager_open_if_enabled();
+
if (arg_action == ACTION_HELP) {
retval = help();
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. */
/* 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.");
- } else
- log_debug(PACKAGE_STRING " running in user mode. (" SYSTEMD_FEATURES ")");
+ /* 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;
+
+ 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 || plymouth_running())
+ if (arg_show_status > 0 || plymouth_running())
status_welcome();
#ifdef HAVE_KMOD
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)
}
}
+ if (arg_syscall_archs) {
+ r = enforce_syscall_archs(arg_syscall_archs);
+ if (r < 0)
+ goto finish;
+ }
+
if (arg_running_as == SYSTEMD_USER) {
/* Become reaper of our children */
if (prctl(PR_SET_CHILD_SUBREAPER, 1) < 0) {
}
}
- if (arg_running_as == SYSTEMD_SYSTEM)
+ if (arg_running_as == SYSTEMD_SYSTEM) {
bump_rlimit_nofile(&saved_rlimit_nofile);
- r = manager_new(arg_running_as, !!serialization, &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("Failed to populate /etc with preset unit settings, ignoring: %s", strerror(-r));
+ 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));
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->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);
-
+ 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));
fdset_free(fds);
fds = NULL;
- if (serialization) {
- fclose(serialization);
- serialization = NULL;
+ if (arg_serialization) {
+ fclose(arg_serialization);
+ arg_serialization = NULL;
}
if (queue_default_job) {
case MANAGER_REEXECUTE:
- if (prepare_reexecute(m, &serialization, &fds, false) < 0)
+ if (prepare_reexecute(m, &arg_serialization, &fds, false) < 0)
goto finish;
reexecute = true;
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)
goto finish;
reexecute = true;
}
finish:
- if (m)
+ pager_close();
+
+ if (m) {
manager_free(m);
+ m = NULL;
+ }
- 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();
+ strv_free(arg_default_environment);
+ arg_default_environment = NULL;
+
+ set_free(arg_syscall_archs);
+ arg_syscall_archs = NULL;
+
label_finish();
if (reexecute) {
const char **args;
unsigned i, args_size;
+ sigset_t ss;
/* Close and disarm the watchdog, so that the new
* instance can reinitialize it, but doesn't get
* initrd, but don't wait for them, so that we
* can handle the SIGCHLD for them after
* deserializing. */
- broadcast_signal(SIGTERM, false);
+ broadcast_signal(SIGTERM, false, true);
/* And switch root */
r = switch_root(switch_root_dir);
* 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));
+ snprintf(sfd, sizeof(sfd), "%i", fileno(arg_serialization));
char_array_0(sfd);
i = 0;
* 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();
+
+ assert_se(sigemptyset(&ss) == 0);
+ assert_se(sigprocmask(SIG_SETMASK, &ss, NULL) == 0);
+
if (switch_root_init) {
args[0] = switch_root_init;
execv(args[0], (char* const*) args);
log_warning("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",
};
- char **env_block;
+ unsigned pos = 5;
+ _cleanup_strv_free_ char **env_block = NULL;
+
+ assert(command_line[pos] == NULL);
+ env_block = strv_copy(environ);
+
+ snprintf(log_level, sizeof(log_level), "%d", log_get_max_level());
+
+ switch (log_get_target()) {
+ case LOG_TARGET_KMSG:
+ case LOG_TARGET_JOURNAL_OR_KMSG:
+ case LOG_TARGET_SYSLOG_OR_KMSG:
+ command_line[pos++] = "kmsg";
+ break;
+
+ case LOG_TARGET_CONSOLE:
+ default:
+ command_line[pos++] = "console";
+ break;
+ };
+
+ if (log_get_show_color())
+ command_line[pos++] = "--log-color";
+
+ if (log_get_show_location())
+ command_line[pos++] = "--log-location";
+
+ assert(pos < ELEMENTSOF(command_line));
if (arm_reboot_watchdog && arg_shutdown_watchdog > 0) {
- char e[32];
+ char *e;
/* If we reboot let's set the shutdown
* watchdog and tell the shutdown binary to
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);
+ /* Tell the binary how often to ping, ignore failure */
+ if (asprintf(&e, "WATCHDOG_USEC="USEC_FMT, arg_shutdown_watchdog) > 0)
+ strv_push(&env_block, e);
+ } else
watchdog_close(true);
- }
/* Avoid the creation of new processes forked by the
* kernel; at this point, we will not listen to the
cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER);
execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
- free(env_block);
- log_error("Failed to execute shutdown binary, freezing: %m");
+ log_error("Failed to execute shutdown binary, %s: %m",
+ getpid() == 1 ? "freezing" : "quitting");
}
if (getpid() == 1)
~ianmdlvl / elogind.git / blobdiff