}
} 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) {
+
log_set_max_level(LOG_DEBUG);
+
if (detect_container(NULL) > 0)
log_set_target(LOG_TARGET_CONSOLE);
}
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. "
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 };
if (in_initrd())
log_info("Running in initial RAM disk.");
+ empty_etc = dir_is_empty("/etc") > 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 ")",
status_welcome();
#ifdef HAVE_KMOD
- if (detect_container(NULL) <= 0)
- kmod_setup();
+ kmod_setup();
#endif
hostname_setup();
- machine_id_setup("");
+ machine_id_setup(NULL);
loopback_setup();
test_mtab();
}
}
- if (arg_running_as == SYSTEMD_SYSTEM)
+ if (arg_running_as == SYSTEMD_SYSTEM) {
bump_rlimit_nofile(&saved_rlimit_nofile);
+ 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, &m);
if (r < 0) {
log_error("Failed to allocate manager object: %s", strerror(-r));
if (reexecute) {
const char **args;
unsigned i, args_size;
+ sigset_t ss, o_ss;
/* Close and disarm the watchdog, so that the new
* instance can reinitialize it, but doesn't get
args[i++] = NULL;
assert(i <= args_size);
+ /* reenable any blocked signals, especially important
+ * if we switch from initial ramdisk to init=... */
+ sigemptyset(&ss);
+ sigprocmask(SIG_SETMASK, &ss, &o_ss);
+
if (switch_root_init) {
args[0] = switch_root_init;
execv(args[0], (char* const*) args);
log_error("Failed to execute /bin/sh, giving up: %m");
} else
log_warning("Failed to execute /sbin/init, giving up: %m");
+
+ sigprocmask(SIG_SETMASK, &o_ss, NULL);
}
if (arg_serialization) {