#include <fcntl.h>
#include <string.h>
#include <unistd.h>
-#include <linux/vt.h>
-#include <sys/timerfd.h>
#include "sd-daemon.h"
#include "strv.h"
#include "conf-parser.h"
-#include "mkdir.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 "label.h"
+#include "logind.h"
+#include "cgroup.h"
+#include "mount-setup.h"
+#include "virt.h"
+
+static void manager_free(Manager *m);
-Manager *manager_new(void) {
+static Manager *manager_new(void) {
Manager *m;
int r;
if (!m)
return NULL;
+ m->pin_cgroupfs_fd = -1;
+
m->console_active_fd = -1;
+
+/// elogind does not support autospawning of vts
+#if 0
m->reserve_vt_fd = -1;
m->n_autovts = 6;
m->reserve_vt = 6;
+#endif // 0
m->remove_ipc = true;
m->inhibit_delay_max = 5 * USEC_PER_SEC;
m->handle_power_key = HANDLE_POWEROFF;
m->handle_lid_switch = HANDLE_SUSPEND;
m->handle_lid_switch_docked = HANDLE_IGNORE;
m->lid_switch_ignore_inhibited = true;
+ m->holdoff_timeout_usec = 30 * USEC_PER_SEC;
m->idle_action_usec = 30 * USEC_PER_MINUTE;
m->idle_action = HANDLE_IGNORE;
m->user_units = hashmap_new(&string_hash_ops);
m->session_units = hashmap_new(&string_hash_ops);
- m->busnames = set_new(&string_hash_ops);
+ m->running_as = MANAGER_SYSTEM;
+ m->test_run = false;
- if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames ||
- !m->user_units || !m->session_units)
+ if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->user_units || !m->session_units)
goto fail;
m->kill_exclude_users = strv_new("root", NULL);
if (!m->kill_exclude_users)
goto fail;
+ /* If elogind should be its own controller, mount its cgroup */
+ if (streq(ELOGIND_CGROUP_CONTROLLER, "name=elogind")) {
+ r = mount_setup(true);
+ if (r < 0)
+ goto fail;
+ }
+
+ /* Make cgroups */
+ r = manager_setup_cgroup(m);
+ if (r < 0)
+ 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;
return NULL;
}
-void manager_free(Manager *m) {
+static void manager_free(Manager *m) {
Session *session;
User *u;
Device *d;
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);
safe_close(m->console_active_fd);
- if (m->udev_seat_monitor)
udev_monitor_unref(m->udev_seat_monitor);
- if (m->udev_device_monitor)
udev_monitor_unref(m->udev_device_monitor);
- if (m->udev_vcsa_monitor)
udev_monitor_unref(m->udev_vcsa_monitor);
- if (m->udev_button_monitor)
udev_monitor_unref(m->udev_button_monitor);
- 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);
+/// elogind does not support autospawning of vts
+#if 0
safe_close(m->reserve_vt_fd);
+#endif // 0
+
+ /* Avoid the creation of new processes forked by the
+ * kernel; at this point, we will not listen to the
+ * signals anyway */
+ if (detect_container(NULL) <= 0)
+ (void) cg_uninstall_release_agent(ELOGIND_CGROUP_CONTROLLER);
+
+ manager_shutdown_cgroup(m, true);
strv_free(m->kill_only_users);
strv_free(m->kill_exclude_users);
- free(m->action_job);
+ free(m->scheduled_shutdown_type);
+ free(m->scheduled_shutdown_tty);
+ free(m->wall_message);
+
+ 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);
}
if (errno == ENOENT)
return 0;
- log_error("Failed to open /run/systemd/seats: %m");
+ log_error_errno(errno, "Failed to open /run/systemd/seats: %m");
return -errno;
}
if (errno == ENOENT)
return 0;
- log_error("Failed to open /var/lib/systemd/linger/: %m");
+ log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m");
return -errno;
}
if (errno == ENOENT)
return 0;
- log_error("Failed to open /run/systemd/users: %m");
+ log_error_errno(errno, "Failed to open /run/systemd/users: %m");
return -errno;
}
if (errno == ENOENT)
return 0;
- log_error("Failed to open /run/systemd/sessions: %m");
+ log_error_errno(errno, "Failed to open /run/systemd/sessions: %m");
return -errno;
}
if (errno == ENOENT)
return 0;
- log_error("Failed to open /run/systemd/inhibit: %m");
+ log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m");
return -errno;
}
return 0;
}
+/// UNNEEDED by elogind
+#if 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;
return 0;
}
+#endif // 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;
return 0;
}
+/// UNNEEDED by elogind
+#if 0
static int manager_reserve_vt(Manager *m) {
_cleanup_free_ char *p = NULL;
/* Don't complain on VT-less systems */
if (errno != ENOENT)
- log_warning("Failed to pin reserved VT: %m");
+ log_warning_errno(errno, "Failed to pin reserved VT: %m");
return -errno;
}
return 0;
}
+#endif // 0
+
+static int signal_agent_released(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ Manager *m = userdata;
+ Session *s;
+ const char *cgroup;
+ int r;
+
+ assert(message);
+ assert(m);
+
+ r = sd_bus_message_read(message, "s", &cgroup);
+ if (r < 0) {
+ bus_log_parse_error(r);
+ return 0;
+ }
+
+ s = hashmap_get(m->sessions, cgroup);
+
+ if (!s) {
+ log_warning("Session not found: %s", cgroup);
+ return 0;
+ }
+
+ session_finalize(s);
+ session_free(s);
+
+ return 0;
+}
static int manager_connect_bus(Manager *m) {
_cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
assert(!m->bus);
r = sd_bus_default_system(&m->bus);
- if (r < 0) {
- log_error_errno(r, "Failed to connect to system bus: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to system bus: %m");
r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add manager object vtable: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add manager object vtable: %m");
+
+ /* elogind relies on signals from its release agent */
+ r = sd_bus_add_match(m->bus, NULL,
+ "type='signal',"
+ "interface='org.freedesktop.elogind.Agent',"
+ "member='Released',"
+ "path='/org/freedesktop/elogind/agent'",
+ signal_agent_released, m);
r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add seat object vtable: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add seat object vtable: %m");
r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/seat", seat_node_enumerator, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add seat enumerator: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add seat enumerator: %m");
r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add session object vtable: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add session object vtable: %m");
r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/session", session_node_enumerator, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add session enumerator: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add session enumerator: %m");
r = sd_bus_add_fallback_vtable(m->bus, NULL, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add user object vtable: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add user object vtable: %m");
r = sd_bus_add_node_enumerator(m->bus, NULL, "/org/freedesktop/login1/user", user_node_enumerator, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add user enumerator: %m");
- return r;
- }
-
- 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) {
- log_error_errno(r, "Failed to add match for NameOwnerChanged: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add user enumerator: %m");
+/// elogind does not support systemd as PID 1
+#if 0
r = sd_bus_add_match(m->bus,
NULL,
"type='signal',"
"member='JobRemoved',"
"path='/org/freedesktop/systemd1'",
match_job_removed, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add match for JobRemoved: %m");
- return r;
- }
+ if (r < 0)
+ log_warning_errno(r, "Failed to add match for JobRemoved: %m");
r = sd_bus_add_match(m->bus,
NULL,
"member='UnitRemoved',"
"path='/org/freedesktop/systemd1'",
match_unit_removed, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add match for UnitRemoved: %m");
- return r;
- }
+ if (r < 0)
+ log_warning_errno(r, "Failed to add match for UnitRemoved: %m");
r = sd_bus_add_match(m->bus,
NULL,
"interface='org.freedesktop.DBus.Properties',"
"member='PropertiesChanged'",
match_properties_changed, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add match for PropertiesChanged: %m");
- return r;
- }
+ if (r < 0)
+ log_warning_errno(r, "Failed to add match for PropertiesChanged: %m");
r = sd_bus_add_match(m->bus,
NULL,
"member='Reloading',"
"path='/org/freedesktop/systemd1'",
match_reloading, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add match for Reloading: %m");
- return r;
- }
+ if (r < 0)
+ log_warning_errno(r, "Failed to add match for Reloading: %m");
r = sd_bus_call_method(
m->bus,
"Subscribe",
&error,
NULL, NULL);
- if (r < 0) {
- log_error("Failed to enable subscription: %s", bus_error_message(&error, r));
- return r;
- }
+ if (r < 0)
+ log_notice("Failed to enable subscription: %s", bus_error_message(&error, r));
+#endif // 0
r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0);
- if (r < 0) {
- log_error_errno(r, "Failed to register name: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to register name: %m");
r = sd_bus_attach_event(m->bus, m->event, 0);
- if (r < 0) {
- log_error_errno(r, "Failed to attach bus to event loop: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to attach bus to event loop: %m");
return 0;
}
if (errno == ENOENT)
return 0;
- log_error("Failed to open /sys/class/tty/tty0/active: %m");
+ log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m");
return -errno;
}
return -EINVAL;
}
- r = ignore_signals(SIGRTMIN + 1, -1);
- if (r < 0) {
- log_error_errno(r, "Cannot ignore SIGRTMIN + 1: %m");
- return r;
- }
-
- r = sigprocmask_many(SIG_BLOCK, SIGRTMIN, -1);
- if (r < 0) {
- log_error_errno(r, "Cannot block SIGRTMIN: %m");
- return r;
- }
+ 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)
}
/* Don't bother watching VCSA devices, if nobody cares */
+/// elogind does not support autospawning of vts
+#if 0
if (m->n_autovts > 0 && m->console_active_fd >= 0) {
m->udev_vcsa_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
if (r < 0)
return r;
}
+#endif // 0
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;
session_get_state(session) != SESSION_CLOSING)
session_stop(session, false);
- /* Normally, this should make the session busy again,
- * if it doesn't then let's get rid of it
+ /* Normally, this should make the session referenced
+ * again, if it doesn't then let's get rid of it
* immediately */
if (!session_check_gc(session, drop_not_started)) {
session_finalize(session);
CLOCK_MONOTONIC,
elapse, USEC_PER_SEC*30,
manager_dispatch_idle_action, m);
- if (r < 0) {
- log_error_errno(r, "Failed to add idle event source: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add idle event source: %m");
r = sd_event_source_set_priority(m->idle_action_event_source, SD_EVENT_PRIORITY_IDLE+10);
- if (r < 0) {
- log_error_errno(r, "Failed to set idle event source priority: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to set idle event source priority: %m");
} else {
r = sd_event_source_set_time(m->idle_action_event_source, elapse);
- if (r < 0) {
- log_error_errno(r, "Failed to set idle event timer: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to set idle event timer: %m");
r = sd_event_source_set_enabled(m->idle_action_event_source, SD_EVENT_ONESHOT);
- if (r < 0) {
- log_error_errno(r, "Failed to enable idle event timer: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to enable idle event timer: %m");
}
return 0;
}
-int manager_startup(Manager *m) {
+static int manager_startup(Manager *m) {
int r;
Seat *seat;
Session *session;
/* Connect to udev */
r = manager_connect_udev(m);
- if (r < 0) {
- log_error_errno(r, "Failed to create udev watchers: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to create udev watchers: %m");
/* Connect to the bus */
r = manager_connect_bus(m);
/* Instantiate magic seat 0 */
r = manager_add_seat(m, "seat0", &m->seat0);
- if (r < 0) {
- log_error_errno(r, "Failed to add seat0: %m");
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add seat0: %m");
- r = manager_set_lid_switch_ignore(m, 0 + IGNORE_LID_SWITCH_STARTUP_USEC);
+ r = manager_set_lid_switch_ignore(m, 0 + m->holdoff_timeout_usec);
if (r < 0)
log_warning_errno(r, "Failed to set up lid switch ignore event source: %m");
manager_gc(m, false);
/* Reserve the special reserved VT */
+/// elogind does not support autospawning of vts
+#if 0
manager_reserve_vt(m);
+#endif // 0
/* And start everything */
HASHMAP_FOREACH(seat, m->seats, i)
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 && !m->action_job) {
- 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 = NULL, *logind_conf, *sections;
+ FILE *file = NULL;
+ bool relaxed = false, allow_include = false, warn = true;
+
assert(m);
+/// elogind parses its own config file
+#if 0
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);
+#endif // 0
+
+ logind_conf = getenv("ELOGIND_CONF_FILE");
+ if (!logind_conf)
+ logind_conf = PKGSYSCONFDIR "/logind.conf";
+ sections = "Login\0Sleep\0";
+
+ return config_parse(unit, logind_conf, file, sections,
+ config_item_perf_lookup, logind_gperf_lookup,
+ relaxed, allow_include, warn, m);
}
int main(int argc, char *argv[]) {
Manager *m = NULL;
int r;
+ elogind_set_program_name(argv[0]);
log_set_target(LOG_TARGET_AUTO);
log_set_facility(LOG_AUTH);
log_parse_environment();
log_open();
+#ifdef ENABLE_DEBUG_ELOGIND
+ log_set_max_level(LOG_DEBUG);
+#endif // ENABLE_DEBUG_ELOGIND
+
umask(0022);
if (argc != 1) {
* existence of /run/systemd/seats/ to determine whether
* logind is available, so please always make sure this check
* stays in. */
- mkdir_label("/run/systemd/seats", 0755);
- mkdir_label("/run/systemd/users", 0755);
- mkdir_label("/run/systemd/sessions", 0755);
+ r = mkdir_label("/run/systemd", 0755);
+ if ( (r < 0) && (-EEXIST != r) )
+ return log_error_errno(r, "Failed to create /run/systemd : %m");
+ r = mkdir_label("/run/systemd/seats", 0755);
+ if ( r < 0 && (-EEXIST != r) )
+ return log_error_errno(r, "Failed to create /run/systemd/seats : %m");
+ r = mkdir_label("/run/systemd/users", 0755);
+ if ( r < 0 && (-EEXIST != r) )
+ return log_error_errno(r, "Failed to create /run/systemd/users : %m");
+ r = mkdir_label("/run/systemd/sessions", 0755);
+ if ( r < 0 && (-EEXIST != r) )
+ return log_error_errno(r, "Failed to create /run/systemd/sessions : %m");
+ r = mkdir_label("/run/systemd/machines", 0755);
+ if ( r < 0 && (-EEXIST != r) )
+ return log_error_errno(r, "Failed to create /run/systemd/machines : %m");
m = manager_new();
if (!m) {
goto finish;
}
- log_debug("systemd-logind running as pid "PID_FMT, getpid());
+ log_debug("logind running as pid "PID_FMT, getpid());
sd_notify(false,
"READY=1\n"
r = manager_run(m);
- log_debug("systemd-logind stopped as pid "PID_FMT, getpid());
+ log_debug("logind stopped as pid "PID_FMT, getpid());
finish:
sd_notify(false,
"STOPPING=1\n"
"STATUS=Shutting down...");
- if (m)
manager_free(m);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
~ianmdlvl / elogind.git / blobdiff