manager_environment_add(m, NULL, arg_default_environment);
}
+static void set_manager_settings(Manager *m) {
+
+ assert(m);
+
+ m->confirm_spawn = arg_confirm_spawn;
+ m->runtime_watchdog = arg_runtime_watchdog;
+ m->shutdown_watchdog = arg_shutdown_watchdog;
+ m->cad_burst_action = arg_cad_burst_action;
+
+ manager_set_show_status(m, arg_show_status);
+}
+
static int parse_argv(int argc, char *argv[]) {
enum {
return 0;
}
+static void redirect_telinit(int argc, char *argv[]) {
+
+ /* This is compatibility support for SysV, where calling init as a user is identical to telinit. */
+
+#if HAVE_SYSV_COMPAT
+ if (getpid_cached() == 1)
+ return;
+
+ if (!strstr(program_invocation_short_name, "init"))
+ return;
+
+ execv(SYSTEMCTL_BINARY_PATH, argv);
+ log_error_errno(errno, "Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
+ exit(1);
+#endif
+}
+
+static int become_shutdown(
+ const char *shutdown_verb,
+ int retval,
+ bool arm_reboot_watchdog) {
+
+ char log_level[DECIMAL_STR_MAX(int) + 1],
+ exit_code[DECIMAL_STR_MAX(uint8_t) + 1];
+
+ const char* command_line[11] = {
+ SYSTEMD_SHUTDOWN_BINARY_PATH,
+ shutdown_verb,
+ "--log-level", log_level,
+ "--log-target",
+ };
+
+ _cleanup_strv_free_ char **env_block = NULL;
+ size_t pos = 5;
+ int r;
+
+ 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_NULL:
+ command_line[pos++] = "null";
+ 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";
+
+ if (streq(shutdown_verb, "exit")) {
+ command_line[pos++] = "--exit-code";
+ command_line[pos++] = exit_code;
+ xsprintf(exit_code, "%d", retval);
+ }
+
+ assert(pos < ELEMENTSOF(command_line));
+
+ if (arm_reboot_watchdog && arg_shutdown_watchdog > 0 && arg_shutdown_watchdog != USEC_INFINITY) {
+ char *e;
+
+ /* If we reboot let's set the shutdown
+ * watchdog and tell the shutdown binary to
+ * repeatedly ping it */
+ 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)
+ (void) strv_push(&env_block, e);
+ } else
+ watchdog_close(true);
+
+ /* Avoid the creation of new processes forked by the
+ * kernel; at this point, we will not listen to the
+ * signals anyway */
+ if (detect_container() <= 0)
+ (void) cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER);
+
+ execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
+ return -errno;
+}
+
+static void initialize_clock(void) {
+ int r;
+
+ if (clock_is_localtime(NULL) > 0) {
+ int 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_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 a dummy very first call to seal the kernel's time warp magic.
+ *
+ * Do not call 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.
+ */
+ (void) clock_reset_timewarp();
+ }
+
+ r = clock_apply_epoch();
+ if (r < 0)
+ log_error_errno(r, "Current system time is before build time, but cannot correct: %m");
+ else if (r > 0)
+ log_info("System time before build time, advancing clock.");
+}
+
+static void initialize_coredump(bool skip_setup) {
+
+ if (getpid_cached() != 1)
+ return;
+
+ /* Don't limit the core dump size, so that coredump handlers such as systemd-coredump (which honour the limit)
+ * will process core dumps for system services by default. */
+ if (setrlimit(RLIMIT_CORE, &RLIMIT_MAKE_CONST(RLIM_INFINITY)) < 0)
+ log_warning_errno(errno, "Failed to set RLIMIT_CORE: %m");
+
+ /* But at the same time, turn off the core_pattern logic by default, so that no coredumps are stored
+ * until the systemd-coredump tool is enabled via sysctl. */
+ if (!skip_setup)
+ (void) write_string_file("/proc/sys/kernel/core_pattern", "|/bin/false", 0);
+}
+
int main(int argc, char *argv[]) {
Manager *m = NULL;
int r, retval = EXIT_FAILURE;
struct rlimit saved_rlimit_nofile = RLIMIT_MAKE_CONST(0), saved_rlimit_memlock = RLIMIT_MAKE_CONST((rlim_t) -1);
const char *error_message = NULL;
-#if HAVE_SYSV_COMPAT
- if (getpid_cached() != 1 && strstr(program_invocation_short_name, "init")) {
- /* This is compatibility support for SysV, where
- * calling init as a user is identical to telinit. */
-
- execv(SYSTEMCTL_BINARY_PATH, argv);
- log_error_errno(errno, "Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
- return 1;
- }
-#endif
+ redirect_telinit(argc, argv);
dual_timestamp_from_monotonic(&kernel_timestamp, 0);
dual_timestamp_get(&userspace_timestamp);
goto finish;
}
- if (!skip_setup) {
- if (clock_is_localtime(NULL) > 0) {
- int 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_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 a dummy very first call to seal the kernel's time warp magic.
- *
- * Do not call 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.
- */
- (void) clock_reset_timewarp();
- }
-
- r = clock_apply_epoch();
- if (r < 0)
- log_error_errno(r, "Current system time is before build time, but cannot correct: %m");
- else if (r > 0)
- log_info("System time before build time, advancing clock.");
- }
+ if (!skip_setup)
+ initialize_clock();
/* Set the default for later on, but don't actually
* open the logs like this for now. Note that if we
kernel_timestamp = DUAL_TIMESTAMP_NULL;
}
- if (getpid_cached() == 1) {
- /* Don't limit the core dump size, so that coredump handlers such as systemd-coredump (which honour the limit)
- * will process core dumps for system services by default. */
- if (setrlimit(RLIMIT_CORE, &RLIMIT_MAKE_CONST(RLIM_INFINITY)) < 0)
- log_warning_errno(errno, "Failed to set RLIMIT_CORE: %m");
-
- /* But at the same time, turn off the core_pattern logic by default, so that no coredumps are stored
- * until the systemd-coredump tool is enabled via sysctl. */
- if (!skip_setup)
- (void) write_string_file("/proc/sys/kernel/core_pattern", "|/bin/false", 0);
- }
+ initialize_coredump(skip_setup);
if (arg_system) {
if (fixup_environment() < 0) {
_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);
+ log_debug(PACKAGE_STRING " running in %suser mode for user " UID_FMT "/%s. (" SYSTEMD_FEATURES ")",
+ arg_action == ACTION_TEST ? " test" : "", getuid(), strna(t));
}
if (arg_action == ACTION_RUN) {
goto finish;
}
- m->confirm_spawn = arg_confirm_spawn;
- m->runtime_watchdog = arg_runtime_watchdog;
- m->shutdown_watchdog = arg_shutdown_watchdog;
m->userspace_timestamp = userspace_timestamp;
m->kernel_timestamp = kernel_timestamp;
m->initrd_timestamp = initrd_timestamp;
m->security_start_timestamp = security_start_timestamp;
m->security_finish_timestamp = security_finish_timestamp;
- m->cad_burst_action = arg_cad_burst_action;
set_manager_defaults(m);
- manager_set_show_status(m, arg_show_status);
+ set_manager_settings(m);
manager_set_first_boot(m, first_boot);
/* Remember whether we should queue the default job */
#endif
if (shutdown_verb) {
- char log_level[DECIMAL_STR_MAX(int) + 1];
- char exit_code[DECIMAL_STR_MAX(uint8_t) + 1];
- const char* command_line[11] = {
- SYSTEMD_SHUTDOWN_BINARY_PATH,
- shutdown_verb,
- "--log-level", log_level,
- "--log-target",
- };
- unsigned pos = 5;
- _cleanup_strv_free_ char **env_block = NULL;
-
- assert(command_line[pos] == NULL);
- env_block = strv_copy(environ);
-
- 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_NULL:
- command_line[pos++] = "null";
- 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";
-
- if (streq(shutdown_verb, "exit")) {
- command_line[pos++] = "--exit-code";
- command_line[pos++] = exit_code;
- xsprintf(exit_code, "%d", retval);
- }
-
- assert(pos < ELEMENTSOF(command_line));
-
- if (arm_reboot_watchdog && arg_shutdown_watchdog > 0 && arg_shutdown_watchdog != USEC_INFINITY) {
- char *e;
-
- /* If we reboot let's set the shutdown
- * watchdog and tell the shutdown binary to
- * repeatedly ping it */
- 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)
- (void) strv_push(&env_block, e);
- } else
- watchdog_close(true);
-
- /* Avoid the creation of new processes forked by the
- * kernel; at this point, we will not listen to the
- * signals anyway */
- if (detect_container() <= 0)
- (void) cg_uninstall_release_agent(SYSTEMD_CGROUP_CONTROLLER);
+ r = become_shutdown(shutdown_verb, retval, arm_reboot_watchdog);
- execve(SYSTEMD_SHUTDOWN_BINARY_PATH, (char **) command_line, env_block);
- log_error_errno(errno, "Failed to execute shutdown binary, %s: %m",
- getpid_cached() == 1 ? "freezing" : "quitting");
+ log_error_errno(r, "Failed to execute shutdown binary, %s: %m", getpid_cached() == 1 ? "freezing" : "quitting");
error_message = "Failed to execute shutdown binary";
}
projects / thirdparty / systemd.git / blobdiff