#include "label.h"
#include "build.h"
#include "strv.h"
+#include "def.h"
static enum {
ACTION_RUN,
_exit(1);
}
- log_info("Successfully spawned crash shall as pid %lu.", (unsigned long) pid);
+ log_info("Successfully spawned crash shell as pid %lu.", (unsigned long) pid);
}
log_info("Freezing execution.");
return -tty_fd;
}
- if ((r = reset_terminal(tty_fd)) < 0)
+ if ((r = reset_terminal_fd(tty_fd)) < 0)
log_error("Failed to reset /dev/console: %s", strerror(-r));
close_nointr_nofail(tty_fd);
static const char * const rlmap[] = {
"emergency", SPECIAL_EMERGENCY_TARGET,
+ "-b", SPECIAL_EMERGENCY_TARGET,
"single", SPECIAL_RESCUE_TARGET,
"-s", SPECIAL_RESCUE_TARGET,
"s", SPECIAL_RESCUE_TARGET,
unsigned line,
const char *section,
const char *lvalue,
+ int ltype,
const char *rvalue,
void *data,
void *userdata) {
unsigned line,
const char *section,
const char *lvalue,
+ int ltype,
const char *rvalue,
void *data,
void *userdata) {
unsigned line,
const char *section,
const char *lvalue,
+ int ltype,
const char *rvalue,
void *data,
void *userdata) {
unsigned line,
const char *section,
const char *lvalue,
+ int ltype,
const char *rvalue,
void *data,
void *userdata) {
unsigned line,
const char *section,
const char *lvalue,
+ int ltype,
const char *rvalue,
void *data,
void *userdata) {
static int parse_config_file(void) {
const ConfigItem items[] = {
- { "LogLevel", config_parse_level, NULL, "Manager" },
- { "LogTarget", config_parse_target, NULL, "Manager" },
- { "LogColor", config_parse_color, NULL, "Manager" },
- { "LogLocation", config_parse_location, NULL, "Manager" },
- { "DumpCore", config_parse_bool, &arg_dump_core, "Manager" },
- { "CrashShell", config_parse_bool, &arg_crash_shell, "Manager" },
- { "ShowStatus", config_parse_bool, &arg_show_status, "Manager" },
+ { "LogLevel", config_parse_level, 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" },
#ifdef HAVE_SYSV_COMPAT
- { "SysVConsole", config_parse_bool, &arg_sysv_console, "Manager" },
+ { "SysVConsole", config_parse_bool, 0, &arg_sysv_console, "Manager" },
#endif
- { "CrashChVT", config_parse_int, &arg_crash_chvt, "Manager" },
- { "CPUAffinity", config_parse_cpu_affinity, NULL, "Manager" },
- { "MountAuto", config_parse_bool, &arg_mount_auto, "Manager" },
- { "SwapAuto", config_parse_bool, &arg_swap_auto, "Manager" },
- { "DefaultControllers", config_parse_strv, &arg_default_controllers, "Manager" },
- { "DefaultStandardOutput", config_parse_output, &arg_default_std_output, "Manager" },
- { "DefaultStandardError", config_parse_output, &arg_default_std_error, "Manager" },
- { NULL, NULL, NULL, NULL }
+ { "CrashChVT", config_parse_int, 0, &arg_crash_chvt, "Manager" },
+ { "CPUAffinity", config_parse_cpu_affinity, 0, NULL, "Manager" },
+ { "MountAuto", config_parse_bool, 0, &arg_mount_auto, "Manager" },
+ { "SwapAuto", config_parse_bool, 0, &arg_swap_auto, "Manager" },
+ { "DefaultControllers", config_parse_strv, 0, &arg_default_controllers, "Manager" },
+ { "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output, "Manager" },
+ { "DefaultStandardError", config_parse_output, 0, &arg_default_std_error, "Manager" },
+ { NULL, NULL, 0, NULL, NULL }
};
static const char * const sections[] = {
int r;
size_t l;
+ /* Don't read /proc/cmdline if we are in a container, since
+ * that is only relevant for the host system */
+ if (detect_container(NULL) > 0)
+ return 0;
+
if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
return 0;
assert(argc >= 1);
assert(argv);
- while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0)
+ if (getpid() == 1)
+ opterr = 0;
+
+ while ((c = getopt_long(argc, argv, "hDbsz:", options, NULL)) >= 0)
switch (c) {
log_set_max_level(LOG_DEBUG);
break;
- case '?':
- return -EINVAL;
+ case 'b':
+ case 's':
+ case 'z':
+ /* Just to eat away the sysvinit kernel
+ * cmdline args without getopt() error
+ * messages that we'll parse in
+ * parse_proc_cmdline_word() or ignore. */
+ case '?':
default:
- log_error("Unknown option code %c", c);
- return -EINVAL;
+ if (getpid() != 1) {
+ log_error("Unknown option code %c", c);
+ return -EINVAL;
+ }
+
+ break;
}
- /* PID 1 will get the kernel arguments as parameters, which we
- * ignore and unconditionally read from
- * /proc/cmdline. However, we need to ignore those arguments
- * here. */
- if (arg_running_as != MANAGER_SYSTEM && optind < argc) {
+ if (optind < argc && getpid() != 1) {
+ /* Hmm, when we aren't run as init system
+ * let's complain about excess arguments */
+
log_error("Excess arguments.");
return -EINVAL;
}
+ if (detect_container(NULL) > 0) {
+ char **a;
+
+ /* All /proc/cmdline arguments the kernel didn't
+ * understand it passed to us. We're not really
+ * interested in that usually since /proc/cmdline is
+ * more interesting and complete. With one exception:
+ * if we are run in a container /proc/cmdline is not
+ * relevant for the container, hence we rely on argv[]
+ * instead. */
+
+ for (a = argv; a < argv + argc; a++)
+ if ((r = parse_proc_cmdline_word(*a)) < 0)
+ return r;
+ }
+
return 0;
}
assert(_f);
assert(_fds);
+ /* Make sure nothing is really destructed when we shut down */
+ m->n_reloading ++;
+
if ((r = manager_open_serialization(m, &f)) < 0) {
log_error("Failed to create serialization file: %s", strerror(-r));
goto fail;
/* Check that /usr is not a separate fs */
- if (dir_is_empty("/usr") > 0)
- log_warning("/usr appears to be on a different file system than /. This is not supported anymore. "
- "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.");
+ if (dir_is_empty("/usr") <= 0)
+ return;
+
+ log_warning("/usr appears to be on its own filesytem and is not already mounted. This is not a supported setup. "
+ "Some things will probably break (sometimes even silently) in mysterious ways. "
+ "Consult http://freedesktop.org/wiki/Software/systemd/separate-usr-is-broken for more information.");
+}
+
+static void test_cgroups(void) {
+
+ if (access("/proc/cgroups", F_OK) >= 0)
+ return;
+
+ log_warning("CONFIG_CGROUPS was not set when your kernel was compiled. "
+ "Systems without control groups are not supported. "
+ "We will now sleep for 10s, and then continue boot-up. "
+ "Expect breakage and please do not file bugs. "
+ "Instead fix your kernel and enable CONFIG_CGROUPS." );
+
+ sleep(10);
}
int main(int argc, char *argv[]) {
Manager *m = NULL;
int r, retval = EXIT_FAILURE;
+ usec_t before_startup, after_startup;
+ char timespan[FORMAT_TIMESPAN_MAX];
FDSet *fds = NULL;
bool reexecute = false;
const char *shutdown_verb = NULL;
dual_timestamp initrd_timestamp = { 0ULL, 0ULL };
char systemd[] = "systemd";
+ bool is_reexec = false;
+ int j;
+ bool loaded_policy = false;
+#ifdef HAVE_SYSV_COMPAT
if (getpid() != 1 && strstr(program_invocation_short_name, "init")) {
/* This is compatibility support for SysV, where
* calling init as a user is identical to telinit. */
log_error("Failed to exec " SYSTEMCTL_BINARY_PATH ": %m");
return 1;
}
+#endif
+
+ /* Determine if this is a reexecution or normal bootup. We do
+ * the full command line parsing much later, so let's just
+ * have a quick peek here. */
+
+ for (j = 1; j < argc; j++)
+ if (streq(argv[j], "--deserialize")) {
+ break;
+ is_reexec = true;
+ }
/* If we get started via the /sbin/init symlink then we are
called 'init'. After a subsequent reexecution we are then
program_invocation_short_name = systemd;
prctl(PR_SET_NAME, systemd);
+ saved_argv = argv;
+ saved_argc = argc;
log_show_color(isatty(STDERR_FILENO) > 0);
log_show_location(false);
if (getpid() == 1) {
arg_running_as = MANAGER_SYSTEM;
- log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
+ log_set_target(detect_container(NULL) > 0 ? LOG_TARGET_CONSOLE : LOG_TARGET_SYSLOG_OR_KMSG);
- /* This might actually not return, but cause a
- * reexecution */
- if (selinux_setup(argv) < 0)
- goto finish;
+ if (!is_reexec)
+ if (selinux_setup(&loaded_policy) < 0)
+ goto finish;
+
+ log_open();
if (label_init() < 0)
goto finish;
+
+ if (!is_reexec)
+ if (hwclock_is_localtime() > 0) {
+ int min;
+
+ r = hwclock_apply_localtime_delta(&min);
+ if (r < 0)
+ log_error("Failed to apply local time delta, ignoring: %s", strerror(-r));
+ else
+ log_info("RTC configured in localtime, applying delta of %i minutes to system time.", min);
+ }
+
} else {
arg_running_as = MANAGER_USER;
- log_set_target(LOG_TARGET_CONSOLE);
+ log_set_target(LOG_TARGET_AUTO);
+ log_open();
}
if (set_default_unit(SPECIAL_DEFAULT_TARGET) < 0)
/* Mount /proc, /sys and friends, so that /proc/cmdline and
* /proc/$PID/fd is available. */
if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS"))
- if (mount_setup() < 0)
+ if (mount_setup(loaded_policy) < 0)
goto finish;
/* Reset all signal handlers. */
goto finish;
}
- /* If Plymouth is being run make sure we show the status, so
- * that there's something nice to see when people press Esc */
- if (access("/dev/.systemd/plymouth", F_OK) >= 0)
- arg_show_status = true;
-
if (arg_action == ACTION_HELP) {
retval = help();
goto finish;
assert_se(arg_action == ACTION_RUN || arg_action == ACTION_TEST);
+ /* Close logging fds, in order not to confuse fdset below */
+ log_close();
+
/* Remember open file descriptors for later deserialization */
if (serialization) {
if ((r = fdset_new_fill(&fds)) < 0) {
* kernel that don't really make sense for us. */
unsetenv("HOME");
unsetenv("TERM");
+
+ /* All other variables are left as is, so that clients
+ * can still read them via /proc/1/environ */
}
/* Move out of the way, so that we won't block unmounts */
/* Reset the console, but only if this is really init and we
* are freshly booted */
if (arg_running_as == MANAGER_SYSTEM && arg_action == ACTION_RUN) {
- console_setup(getpid() == 1 && !serialization);
+ console_setup(getpid() == 1 && !is_reexec);
make_null_stdio();
}
log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG,
PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES "; " DISTRIBUTION ")", manager_running_as_to_string(arg_running_as));
- if (arg_running_as == MANAGER_SYSTEM && !serialization) {
+ if (arg_running_as == MANAGER_SYSTEM && !is_reexec) {
locale_setup();
- if (arg_show_status)
+ if (arg_show_status || plymouth_running())
status_welcome();
kmod_setup();
test_mtab();
test_usr();
+ test_cgroups();
}
if ((r = manager_new(arg_running_as, &m)) < 0) {
if (arg_default_controllers)
manager_set_default_controllers(m, arg_default_controllers);
+ before_startup = now(CLOCK_MONOTONIC);
+
if ((r = manager_startup(m, serialization, fds)) < 0)
log_error("Failed to fully start up daemon: %s", strerror(-r));
}
}
+ after_startup = now(CLOCK_MONOTONIC);
+ log_debug("Loaded units and determined initial transaction in %s.",
+ format_timespan(timespan, sizeof(timespan), after_startup - before_startup));
+
for (;;) {
if ((r = manager_loop(m)) < 0) {
log_error("Failed to run mainloop: %s", strerror(-r));
~ianmdlvl / elogind.git / blobdiff