#include <string.h>
#include <unistd.h>
-#include "label.h"
#include "sd-daemon.h"
#include "strv.h"
#include "conf-parser.h"
#include "bus-util.h"
#include "bus-error.h"
-#include "logind.h"
#include "udev-util.h"
+#include "formats-util.h"
+#include "signal-util.h"
+#include "logind.h"
+
+static void manager_free(Manager *m);
-Manager *manager_new(void) {
+static Manager *manager_new(void) {
Manager *m;
int r;
return NULL;
m->console_active_fd = -1;
+ m->reserve_vt_fd = -1;
+ m->n_autovts = 6;
+ m->reserve_vt = 6;
m->remove_ipc = true;
m->inhibit_delay_max = 5 * USEC_PER_SEC;
m->handle_power_key = HANDLE_POWEROFF;
m->inhibitors = hashmap_new(&string_hash_ops);
m->buttons = hashmap_new(&string_hash_ops);
+ m->user_units = hashmap_new(&string_hash_ops);
+ m->session_units = hashmap_new(&string_hash_ops);
+
m->busnames = set_new(&string_hash_ops);
- if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames)
+ if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames ||
+ !m->user_units || !m->session_units)
goto fail;
m->kill_exclude_users = strv_new("root", NULL);
if (!m->kill_exclude_users)
goto fail;
- m->suspend_mode = NULL;
- m->suspend_state = strv_new("mem", "standby", "freeze", NULL);
- if (!m->suspend_state)
- goto fail;
- m->hibernate_mode = strv_new("platform", "shutdown", NULL);
- if (!m->hibernate_mode)
- goto fail;
- m->hibernate_state = strv_new("disk", NULL);
- if (!m->hibernate_state)
- goto fail;
- m->hybrid_sleep_mode = strv_new("suspend", "platform", "shutdown", NULL);
- if (!m->hybrid_sleep_mode)
- goto fail;
- m->hybrid_sleep_state = strv_new("disk", NULL);
- if (!m->hybrid_sleep_state)
- goto fail;
-
m->udev = udev_new();
if (!m->udev)
goto fail;
sd_event_set_watchdog(m->event, true);
-
return m;
fail:
return NULL;
}
-void manager_free(Manager *m) {
+static void manager_free(Manager *m) {
Session *session;
User *u;
Device *d;
hashmap_free(m->inhibitors);
hashmap_free(m->buttons);
+ hashmap_free(m->user_units);
+ hashmap_free(m->session_units);
+
set_free_free(m->busnames);
sd_event_source_unref(m->idle_action_event_source);
+ sd_event_source_unref(m->inhibit_timeout_source);
+ sd_event_source_unref(m->scheduled_shutdown_timeout_source);
+ sd_event_source_unref(m->nologin_timeout_source);
+ sd_event_source_unref(m->wall_message_timeout_source);
sd_event_source_unref(m->console_active_event_source);
sd_event_source_unref(m->udev_seat_event_source);
if (m->udev)
udev_unref(m->udev);
+ if (m->unlink_nologin)
+ (void) unlink("/run/nologin");
+
bus_verify_polkit_async_registry_free(m->polkit_registry);
sd_bus_unref(m->bus);
sd_event_unref(m->event);
+ safe_close(m->reserve_vt_fd);
+
strv_free(m->kill_only_users);
strv_free(m->kill_exclude_users);
- strv_free(m->suspend_mode);
- strv_free(m->suspend_state);
- strv_free(m->hibernate_mode);
- strv_free(m->hibernate_state);
- strv_free(m->hybrid_sleep_mode);
- strv_free(m->hybrid_sleep_state);
-
+ free(m->scheduled_shutdown_type);
+ free(m->scheduled_shutdown_tty);
+ free(m->wall_message);
+ free(m->action_job);
free(m);
}
return 0;
}
+static int manager_dispatch_vcsa_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
+ _cleanup_udev_device_unref_ struct udev_device *d = NULL;
+ Manager *m = userdata;
+ const char *name;
+
+ assert(m);
+
+ d = udev_monitor_receive_device(m->udev_vcsa_monitor);
+ if (!d)
+ return -ENOMEM;
+
+ name = udev_device_get_sysname(d);
+
+ /* Whenever a VCSA device is removed try to reallocate our
+ * VTs, to make sure our auto VTs never go away. */
+
+ if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove"))
+ seat_preallocate_vts(m->seat0);
+
+ return 0;
+}
+
static int manager_dispatch_button_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
_cleanup_udev_device_unref_ struct udev_device *d = NULL;
Manager *m = userdata;
return 0;
}
+static int manager_reserve_vt(Manager *m) {
+ _cleanup_free_ char *p = NULL;
+
+ assert(m);
+
+ if (m->reserve_vt <= 0)
+ return 0;
+
+ if (asprintf(&p, "/dev/tty%u", m->reserve_vt) < 0)
+ return log_oom();
+
+ m->reserve_vt_fd = open(p, O_RDWR|O_NOCTTY|O_CLOEXEC|O_NONBLOCK);
+ if (m->reserve_vt_fd < 0) {
+
+ /* Don't complain on VT-less systems */
+ if (errno != ENOENT)
+ log_warning_errno(errno, "Failed to pin reserved VT: %m");
+ return -errno;
+ }
+
+ return 0;
+}
+
static int manager_connect_bus(Manager *m) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
if (r < 0)
return log_error_errno(r, "Failed to add user enumerator: %m");
+ r = sd_bus_add_match(m->bus,
+ NULL,
+ "type='signal',"
+ "sender='org.freedesktop.DBus',"
+ "interface='org.freedesktop.DBus',"
+ "member='NameOwnerChanged',"
+ "path='/org/freedesktop/DBus'",
+ match_name_owner_changed, m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match for NameOwnerChanged: %m");
+
+ r = sd_bus_add_match(m->bus,
+ NULL,
+ "type='signal',"
+ "sender='org.freedesktop.systemd1',"
+ "interface='org.freedesktop.systemd1.Manager',"
+ "member='JobRemoved',"
+ "path='/org/freedesktop/systemd1'",
+ match_job_removed, m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match for JobRemoved: %m");
+
+ r = sd_bus_add_match(m->bus,
+ NULL,
+ "type='signal',"
+ "sender='org.freedesktop.systemd1',"
+ "interface='org.freedesktop.systemd1.Manager',"
+ "member='UnitRemoved',"
+ "path='/org/freedesktop/systemd1'",
+ match_unit_removed, m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match for UnitRemoved: %m");
+
+ r = sd_bus_add_match(m->bus,
+ NULL,
+ "type='signal',"
+ "sender='org.freedesktop.systemd1',"
+ "interface='org.freedesktop.DBus.Properties',"
+ "member='PropertiesChanged'",
+ match_properties_changed, m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match for PropertiesChanged: %m");
+
+ r = sd_bus_add_match(m->bus,
+ NULL,
+ "type='signal',"
+ "sender='org.freedesktop.systemd1',"
+ "interface='org.freedesktop.systemd1.Manager',"
+ "member='Reloading',"
+ "path='/org/freedesktop/systemd1'",
+ match_reloading, m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to add match for Reloading: %m");
+
+ r = sd_bus_call_method(
+ m->bus,
+ "org.freedesktop.systemd1",
+ "/org/freedesktop/systemd1",
+ "org.freedesktop.systemd1.Manager",
+ "Subscribe",
+ &error,
+ NULL, NULL);
+ if (r < 0) {
+ log_error("Failed to enable subscription: %s", bus_error_message(&error, r));
+ return r;
+ }
+
r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0);
if (r < 0)
return log_error_errno(r, "Failed to register name: %m");
return -EINVAL;
}
- r = ignore_signals(SIGRTMIN + 1, -1);
- if (r < 0)
- return log_error_errno(r, "Cannot ignore SIGRTMIN + 1: %m");
-
- r = sigprocmask_many(SIG_BLOCK, SIGRTMIN, -1);
- if (r < 0)
- return log_error_errno(r, "Cannot block SIGRTMIN: %m");
+ assert_se(ignore_signals(SIGRTMIN + 1, -1) >= 0);
+ assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGRTMIN, -1) >= 0);
r = sd_event_add_signal(m->event, NULL, SIGRTMIN, manager_vt_switch, m);
if (r < 0)
return r;
}
+ /* Don't bother watching VCSA devices, if nobody cares */
+ if (m->n_autovts > 0 && m->console_active_fd >= 0) {
+
+ m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
+ if (!m->udev_vcsa_monitor)
+ return -ENOMEM;
+
+ r = udev_monitor_filter_add_match_subsystem_devtype(m->udev_vcsa_monitor, "vc", NULL);
+ if (r < 0)
+ return r;
+
+ r = udev_monitor_enable_receiving(m->udev_vcsa_monitor);
+ if (r < 0)
+ return r;
+
+ r = sd_event_add_io(m->event, &m->udev_vcsa_event_source, udev_monitor_get_fd(m->udev_vcsa_monitor), EPOLLIN, manager_dispatch_vcsa_udev, m);
+ if (r < 0)
+ return r;
+ }
+
return 0;
}
-void manager_gc(Manager *m, bool drop_not_started) {
+static void manager_gc(Manager *m, bool drop_not_started) {
Seat *seat;
Session *session;
User *user;
return 0;
}
-int manager_startup(Manager *m) {
+static int manager_startup(Manager *m) {
int r;
Seat *seat;
Session *session;
/* Remove stale objects before we start them */
manager_gc(m, false);
+ /* Reserve the special reserved VT */
+ manager_reserve_vt(m);
+
/* And start everything */
HASHMAP_FOREACH(seat, m->seats, i)
seat_start(seat);
return 0;
}
-int manager_run(Manager *m) {
+static int manager_run(Manager *m) {
int r;
assert(m);
for (;;) {
- usec_t us = (uint64_t) -1;
-
r = sd_event_get_state(m->event);
if (r < 0)
return r;
manager_gc(m, true);
- if (manager_dispatch_delayed(m) > 0)
+ r = manager_dispatch_delayed(m, false);
+ if (r < 0)
+ return r;
+ if (r > 0)
continue;
- if (m->action_what != 0) {
- usec_t x, y;
-
- x = now(CLOCK_MONOTONIC);
- y = m->action_timestamp + m->inhibit_delay_max;
-
- us = x >= y ? 0 : y - x;
- }
-
- r = sd_event_run(m->event, us);
+ r = sd_event_run(m->event, (uint64_t) -1);
if (r < 0)
return r;
}
}
static int manager_parse_config_file(Manager *m) {
- const char *unit, *logind_conf, *sections;
- FILE *file;
- bool relaxed, allow_include, warn;
-
assert(m);
- unit = NULL;
- logind_conf = getenv("ELOGIND_CONF_FILE");
- if (!logind_conf)
- logind_conf = PKGSYSCONFDIR "/logind.conf";
- sections = "Login\0Sleep\0";
- file = NULL;
- relaxed = false;
- allow_include = false;
- warn = true;
-
- return config_parse(unit, logind_conf, file, sections,
- config_item_perf_lookup, logind_gperf_lookup,
- relaxed, allow_include, warn, m);
+ return config_parse_many("/etc/systemd/logind.conf",
+ CONF_DIRS_NULSTR("systemd/logind.conf"),
+ "Login\0",
+ config_item_perf_lookup, logind_gperf_lookup,
+ false, m);
}
int main(int argc, char *argv[]) {
mkdir_label("/run/systemd/seats", 0755);
mkdir_label("/run/systemd/users", 0755);
mkdir_label("/run/systemd/sessions", 0755);
- mkdir_label("/run/systemd/machines", 0755);
m = manager_new();
if (!m) {