#include "load-fragment.h"
#include "fdset.h"
#include "special.h"
+#include "conf-parser.h"
+#include "bus-errors.h"
+#include "missing.h"
+#include "label.h"
+#include "build.h"
static enum {
ACTION_RUN,
} arg_action = ACTION_RUN;
static char *arg_default_unit = NULL;
+static char *arg_console = NULL;
static ManagerRunningAs arg_running_as = _MANAGER_RUNNING_AS_INVALID;
static bool arg_dump_core = true;
static int arg_crash_chvt = -1;
static bool arg_confirm_spawn = false;
static bool arg_nomodules = false;
+static bool arg_show_status = true;
+static bool arg_sysv_console = true;
static FILE* serialization = NULL;
_noreturn_ static void crash(int sig) {
if (!arg_dump_core)
- log_error("Caught <%s>, not dumping core.", strsignal(sig));
+ log_error("Caught <%s>, not dumping core.", signal_to_string(sig));
else {
struct sigaction sa;
pid_t pid;
assert_se(sigaction(SIGCHLD, &sa, NULL) == 0);
if ((pid = fork()) < 0)
- log_error("Caught <%s>, cannot fork for core dump: %s", strsignal(sig), strerror(errno));
+ log_error("Caught <%s>, cannot fork for core dump: %s", signal_to_string(sig), strerror(errno));
else if (pid == 0) {
struct rlimit rl;
_exit(1);
} else {
- int status, r;
+ int status;
/* Order things nicely. */
- if ((r = waitpid(pid, &status, 0)) < 0)
- log_error("Caught <%s>, waitpid() failed: %s", strsignal(sig), strerror(errno));
+ if (waitpid(pid, &status, 0) < 0)
+ log_error("Caught <%s>, waitpid() failed: %s", signal_to_string(sig), strerror(errno));
else if (!WCOREDUMP(status))
- log_error("Caught <%s>, core dump failed.", strsignal(sig));
+ log_error("Caught <%s>, core dump failed.", signal_to_string(sig));
else
- log_error("Caught <%s>, dumped core as pid %lu.", strsignal(sig), (unsigned long) pid);
+ log_error("Caught <%s>, dumped core as pid %lu.", signal_to_string(sig), (unsigned long) pid);
}
}
else
arg_crash_chvt = k;
+ } else if (startswith(word, "systemd.show_status=")) {
+ int r;
+
+ 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.sysv_console=")) {
+ int r;
+
+ if ((r = parse_boolean(word + 21)) < 0)
+ log_warning("Failed to parse SysV console switch %s, Ignoring.", word + 20);
+ else
+ arg_sysv_console = r;
+
} else if (startswith(word, "systemd.")) {
log_warning("Unknown kernel switch %s. Ignoring.", word);
log_info("Supported kernel switches:\n"
"systemd.unit=UNIT Default unit to start\n"
- "systemd.log_target=console|kmsg|syslog| Log target\n"
- " syslog-org-kmsg|null\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.dump_core=0|1 Dump core on crash\n"
- "systemd.crash_shell=0|1 On crash run shell\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");
+ "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.sysv_console=0|1 Connect output of SysV scripts to console\n"
+ "systemd.log_target=console|kmsg|syslog|syslog-org-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");
} else if (streq(word, "nomodules"))
arg_nomodules = true;
- else {
+ else if (startswith(word, "console=")) {
+ const char *k;
+ size_t l;
+ char *w = NULL;
+
+ k = word + 8;
+ l = strcspn(k, ",");
+
+ if (l < 4 ||
+ !startswith(k, "tty") ||
+ k[3+strspn(k+3, "0123456789")] != 0) {
+
+ if (!(w = strndup(k, l)))
+ return -ENOMEM;
+ }
+
+ free(arg_console);
+ arg_console = w;
+
+ } else if (streq(word, "quiet")) {
+ arg_show_status = false;
+ arg_sysv_console = false;
+ } else {
unsigned i;
/* SysV compatibility */
return 0;
}
+static int config_parse_level(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ log_set_max_level_from_string(rvalue);
+ return 0;
+}
+
+static int config_parse_target(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ log_set_target_from_string(rvalue);
+ return 0;
+}
+
+static int config_parse_color(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ log_show_color_from_string(rvalue);
+ return 0;
+}
+
+static int config_parse_location(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ log_show_location_from_string(rvalue);
+ return 0;
+}
+
+static int config_parse_cpu_affinity(
+ const char *filename,
+ unsigned line,
+ const char *section,
+ const char *lvalue,
+ const char *rvalue,
+ void *data,
+ void *userdata) {
+
+ char *w;
+ size_t l;
+ char *state;
+ cpu_set_t *c = NULL;
+ unsigned ncpus = 0;
+
+ assert(filename);
+ assert(lvalue);
+ assert(rvalue);
+
+ FOREACH_WORD_QUOTED(w, l, rvalue, state) {
+ char *t;
+ int r;
+ unsigned cpu;
+
+ if (!(t = strndup(w, l)))
+ return -ENOMEM;
+
+ r = safe_atou(t, &cpu);
+ free(t);
+
+ if (!c)
+ if (!(c = cpu_set_malloc(&ncpus)))
+ return -ENOMEM;
+
+ if (r < 0 || cpu >= ncpus) {
+ log_error("[%s:%u] Failed to parse CPU affinity: %s", filename, line, rvalue);
+ CPU_FREE(c);
+ return -EBADMSG;
+ }
+
+ CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
+ }
+
+ if (c) {
+ if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
+ log_warning("Failed to set CPU affinity: %m");
+
+ CPU_FREE(c);
+ }
+
+ return 0;
+}
+
+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" },
+ { "SysVConsole", config_parse_bool, &arg_sysv_console,"Manager" },
+ { "CrashChVT", config_parse_int, &arg_crash_chvt, "Manager" },
+ { "CPUAffinity", config_parse_cpu_affinity, NULL, "Manager" },
+ { NULL, NULL, NULL, NULL }
+ };
+
+ static const char * const sections[] = {
+ "Manager",
+ NULL
+ };
+
+ FILE *f;
+ const char *fn;
+ int r;
+
+ fn = arg_running_as == MANAGER_SYSTEM ? SYSTEM_CONFIG_FILE : SESSION_CONFIG_FILE;
+
+ if (!(f = fopen(fn, "re"))) {
+ if (errno == ENOENT)
+ return 0;
+
+ log_warning("Failed to open configuration file '%s': %m", fn);
+ return 0;
+ }
+
+ if ((r = config_parse(fn, f, sections, items, false, NULL)) < 0)
+ log_warning("Failed to parse configuration file: %s", strerror(-r));
+
+ fclose(f);
+
+ return 0;
+}
+
static int parse_proc_cmdline(void) {
char *line;
int r;
char *state;
if ((r = read_one_line_file("/proc/cmdline", &line)) < 0) {
- log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(errno));
+ log_warning("Failed to read /proc/cmdline, ignoring: %s", strerror(-r));
return 0;
}
ARG_LOG_COLOR,
ARG_LOG_LOCATION,
ARG_UNIT,
- ARG_RUNNING_AS,
+ ARG_SYSTEM,
+ ARG_SESSION,
ARG_TEST,
ARG_DUMP_CONFIGURATION_ITEMS,
+ ARG_DUMP_CORE,
+ ARG_CRASH_SHELL,
ARG_CONFIRM_SPAWN,
+ ARG_SHOW_STATUS,
+ ARG_SYSV_CONSOLE,
ARG_DESERIALIZE,
ARG_INTROSPECT
};
{ "log-color", optional_argument, NULL, ARG_LOG_COLOR },
{ "log-location", optional_argument, NULL, ARG_LOG_LOCATION },
{ "unit", required_argument, NULL, ARG_UNIT },
- { "running-as", required_argument, NULL, ARG_RUNNING_AS },
+ { "system", no_argument, NULL, ARG_SYSTEM },
+ { "session", no_argument, NULL, ARG_SESSION },
{ "test", no_argument, NULL, ARG_TEST },
{ "help", no_argument, NULL, 'h' },
{ "dump-configuration-items", no_argument, NULL, ARG_DUMP_CONFIGURATION_ITEMS },
+ { "dump-core", no_argument, NULL, ARG_DUMP_CORE },
+ { "crash-shell", no_argument, NULL, ARG_CRASH_SHELL },
{ "confirm-spawn", no_argument, NULL, ARG_CONFIRM_SPAWN },
+ { "show-status", optional_argument, NULL, ARG_SHOW_STATUS },
+ { "sysv-console", optional_argument, NULL, ARG_SYSV_CONSOLE },
{ "deserialize", required_argument, NULL, ARG_DESERIALIZE },
{ "introspect", optional_argument, NULL, ARG_INTROSPECT },
{ NULL, 0, NULL, 0 }
assert(argc >= 1);
assert(argv);
- while ((c = getopt_long(argc, argv, "h", options, NULL)) >= 0)
+ while ((c = getopt_long(argc, argv, "hD", options, NULL)) >= 0)
switch (c) {
break;
- case ARG_RUNNING_AS: {
- ManagerRunningAs as;
-
- if ((as = manager_running_as_from_string(optarg)) < 0) {
- log_error("Failed to parse running as value %s", optarg);
- return -EINVAL;
- }
+ case ARG_SYSTEM:
+ arg_running_as = MANAGER_SYSTEM;
+ break;
- arg_running_as = as;
+ case ARG_SESSION:
+ arg_running_as = MANAGER_SESSION;
break;
- }
case ARG_TEST:
arg_action = ACTION_TEST;
arg_action = ACTION_DUMP_CONFIGURATION_ITEMS;
break;
+ case ARG_DUMP_CORE:
+ arg_dump_core = true;
+ break;
+
+ case ARG_CRASH_SHELL:
+ arg_crash_shell = true;
+ break;
+
case ARG_CONFIRM_SPAWN:
arg_confirm_spawn = true;
break;
+ case ARG_SHOW_STATUS:
+
+ if (optarg) {
+ if ((r = parse_boolean(optarg)) < 0) {
+ log_error("Failed to show status boolean %s.", optarg);
+ return r;
+ }
+ arg_show_status = r;
+ } else
+ arg_show_status = true;
+ break;
+
+ case ARG_SYSV_CONSOLE:
+
+ if (optarg) {
+ if ((r = parse_boolean(optarg)) < 0) {
+ log_error("Failed to SysV console boolean %s.", optarg);
+ return r;
+ }
+ arg_sysv_console = r;
+ } else
+ arg_sysv_console = true;
+ break;
+
case ARG_DESERIALIZE: {
int fd;
FILE *f;
arg_action = ACTION_HELP;
break;
+ case 'D':
+ log_set_max_level(LOG_DEBUG);
+ break;
+
case '?':
return -EINVAL;
printf("%s [OPTIONS...]\n\n"
"Starts up and maintains the system or a session.\n\n"
" -h --help Show this help\n"
- " --unit=UNIT Set default unit\n"
- " --running-as=AS Set running as (system, session)\n"
" --test Determine startup sequence, dump it and exit\n"
" --dump-configuration-items Dump understood unit configuration items\n"
- " --confirm-spawn Ask for confirmation when spawning processes\n"
" --introspect[=INTERFACE] Extract D-Bus interface data\n"
- " --log-level=LEVEL Set log level\n"
+ " --unit=UNIT Set default unit\n"
+ " --system Run a system instance, even if PID != 1\n"
+ " --session Run a session instance\n"
+ " --dump-core Dump core on crash\n"
+ " --crash-shell Run shell on crash\n"
+ " --confirm-spawn Ask for confirmation when spawning processes\n"
+ " --show-status[=0|1] Show status updates on the console during bootup\n"
+ " --sysv-console[=0|1] Connect output of SysV scripts to console\n"
" --log-target=TARGET Set log target (console, syslog, kmsg, syslog-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",
program_invocation_short_name);
assert(_f);
assert(_fds);
- if ((r = manager_open_serialization(&f)) < 0) {
+ if ((r = manager_open_serialization(m, &f)) < 0) {
log_error("Failed to create serialization faile: %s", strerror(-r));
goto fail;
}
int main(int argc, char *argv[]) {
Manager *m = NULL;
Unit *target = NULL;
- Job *job = NULL;
int r, retval = 1;
FDSet *fds = NULL;
bool reexecute = false;
return 1;
}
- log_show_color(true);
+ log_show_color(isatty(STDERR_FILENO) > 0);
log_show_location(false);
- log_set_max_level(LOG_DEBUG);
+ log_set_max_level(LOG_INFO);
if (getpid() == 1) {
arg_running_as = MANAGER_SYSTEM;
log_set_target(LOG_TARGET_SYSLOG_OR_KMSG);
+
+ if (label_init() < 0)
+ goto finish;
} else {
arg_running_as = MANAGER_SESSION;
log_set_target(LOG_TARGET_CONSOLE);
/* Mount /proc, /sys and friends, so that /proc/cmdline and
* /proc/$PID/fd is available. */
- if (geteuid() == 0)
+ if (geteuid() == 0 && !getenv("SYSTEMD_SKIP_API_MOUNTS"))
if (mount_setup() < 0)
goto finish;
/* If we are init, we can block sigkill. Yay. */
ignore_signals(SIGNALS_IGNORE, -1);
+ if (parse_config_file() < 0)
+ goto finish;
+
if (arg_running_as == MANAGER_SYSTEM)
if (parse_proc_cmdline() < 0)
goto finish;
if (getpid() == 1)
install_crash_handler();
- log_debug(PACKAGE_STRING " running in %s mode.", manager_running_as_to_string(arg_running_as));
+ log_full(arg_running_as == MANAGER_SYSTEM ? LOG_INFO : LOG_DEBUG,
+ PACKAGE_STRING " running in %s mode. (" SYSTEMD_FEATURES ")", manager_running_as_to_string(arg_running_as));
if (arg_running_as == MANAGER_SYSTEM) {
- modprobe_setup(arg_nomodules);
- kmod_setup();
- hostname_setup();
- loopback_setup();
+
+ /* Disable nscd, to avoid deadlocks when systemd uses
+ * NSS and the nscd socket is maintained by us. */
+ nss_disable_nscd();
+
+ if (!serialization) {
+ if (arg_show_status)
+ status_welcome();
+ modprobe_setup(arg_nomodules);
+ kmod_setup();
+ hostname_setup();
+ loopback_setup();
+ }
}
- if ((r = manager_new(arg_running_as, arg_confirm_spawn, &m)) < 0) {
+ if ((r = manager_new(arg_running_as, &m)) < 0) {
log_error("Failed to allocate manager object: %s", strerror(-r));
goto finish;
}
+ m->confirm_spawn = arg_confirm_spawn;
+ m->show_status = arg_show_status;
+ m->sysv_console = arg_sysv_console;
+
if ((r = manager_startup(m, serialization, fds)) < 0)
log_error("Failed to fully start up daemon: %s", strerror(-r));
fclose(serialization);
serialization = NULL;
} else {
+ DBusError error;
+
+ dbus_error_init(&error);
+
log_debug("Activating default unit: %s", arg_default_unit);
- if ((r = manager_load_unit(m, arg_default_unit, NULL, &target)) < 0) {
- log_error("Failed to load default target: %s", strerror(-r));
+ if ((r = manager_load_unit(m, arg_default_unit, NULL, &error, &target)) < 0) {
+ log_error("Failed to load default target: %s", bus_error(&error, r));
+ dbus_error_free(&error);
log_info("Trying to load rescue target...");
- if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &target)) < 0) {
- log_error("Failed to load rescue target: %s", strerror(-r));
+ if ((r = manager_load_unit(m, SPECIAL_RESCUE_TARGET, NULL, &error, &target)) < 0) {
+ log_error("Failed to load rescue target: %s", bus_error(&error, r));
+ dbus_error_free(&error);
goto finish;
}
}
manager_dump_units(m, stdout, "\t");
}
- if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &job)) < 0) {
- log_error("Failed to start default target: %s", strerror(-r));
+ if ((r = manager_add_job(m, JOB_START, target, JOB_REPLACE, false, &error, NULL)) < 0) {
+ log_error("Failed to start default target: %s", bus_error(&error, r));
+ dbus_error_free(&error);
goto finish;
}
+ if (arg_console && arg_running_as == MANAGER_SYSTEM) {
+ char *name;
+
+ if (asprintf(&name, "getty@%s.service", arg_console) < 0)
+ log_error("Out of memory while generating console getty service name.");
+ else {
+ if ((r = manager_add_job_by_name(m, JOB_START, name, JOB_FAIL, false, &error, NULL)) < 0) {
+ log_error("Failed to start console getty target: %s", bus_error(&error, r));
+ dbus_error_free(&error);
+ }
+
+ free(name);
+ }
+ }
+
if (arg_action == ACTION_TEST) {
printf("-> By jobs:\n");
manager_dump_jobs(m, stdout, "\t");
goto finish;
case MANAGER_RELOAD:
+ log_info("Reloading.");
if ((r = manager_reload(m)) < 0)
log_error("Failed to reload: %s", strerror(-r));
break;
goto finish;
reexecute = true;
- log_debug("Reexecuting.");
+ log_notice("Reexecuting.");
goto finish;
default:
manager_free(m);
free(arg_default_unit);
+ free(arg_console);
dbus_shutdown();
if (reexecute) {
- const char *args[11];
+ const char *args[15];
unsigned i = 0;
char sfd[16];
args[i++] = "--log-target";
args[i++] = log_target_to_string(log_get_target());
- args[i++] = "--running-as";
- args[i++] = manager_running_as_to_string(arg_running_as);
+ if (arg_running_as == MANAGER_SYSTEM)
+ args[i++] = "--system";
+ else
+ args[i++] = "--session";
+
+ if (arg_dump_core)
+ args[i++] = "--dump-core";
+
+ if (arg_crash_shell)
+ args[i++] = "--crash-shell";
+
+ if (arg_confirm_spawn)
+ args[i++] = "--confirm-spawn";
+
+ if (arg_show_status)
+ args[i++] = "--show-status=1";
+ else
+ args[i++] = "--show-status=0";
+
+ if (arg_sysv_console)
+ args[i++] = "--sysv-console=1";
+ else
+ args[i++] = "--sysv-console=0";
snprintf(sfd, sizeof(sfd), "%i", fileno(serialization));
char_array_0(sfd);
args[i++] = "--deserialize";
args[i++] = sfd;
- if (arg_confirm_spawn)
- args[i++] = "--confirm-spawn";
-
args[i++] = NULL;
assert(i <= ELEMENTSOF(args));
if (getpid() == 1)
freeze();
+ label_finish();
+
return retval;
}