#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 "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"
-Manager *manager_new(void) {
+static void manager_free(Manager *m);
+
+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_suspend_key = HANDLE_SUSPEND;
m->handle_hibernate_key = HANDLE_HIBERNATE;
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->idle_action_not_before_usec = now(CLOCK_MONOTONIC);
- m->devices = hashmap_new(string_hash_func, string_compare_func);
- m->seats = hashmap_new(string_hash_func, string_compare_func);
- m->sessions = hashmap_new(string_hash_func, string_compare_func);
- m->users = hashmap_new(trivial_hash_func, trivial_compare_func);
- m->inhibitors = hashmap_new(string_hash_func, string_compare_func);
- m->buttons = hashmap_new(string_hash_func, string_compare_func);
+ m->runtime_dir_size = PAGE_ALIGN((size_t) (physical_memory() / 10)); /* 10% */
- m->user_units = hashmap_new(string_hash_func, string_compare_func);
- m->session_units = hashmap_new(string_hash_func, string_compare_func);
+ m->devices = hashmap_new(&string_hash_ops);
+ m->seats = hashmap_new(&string_hash_ops);
+ m->sessions = hashmap_new(&string_hash_ops);
+ m->users = hashmap_new(NULL);
+ m->inhibitors = hashmap_new(&string_hash_ops);
+ m->buttons = hashmap_new(&string_hash_ops);
- m->busnames = set_new(string_hash_func, string_compare_func);
+ m->user_units = hashmap_new(&string_hash_ops);
+ m->session_units = hashmap_new(&string_hash_ops);
- if (!m->devices || !m->seats || !m->sessions || !m->users || !m->inhibitors || !m->buttons || !m->busnames ||
- !m->user_units || !m->session_units ||
- !m->busnames) {
- manager_free(m);
- return NULL;
- }
+ m->running_as = MANAGER_SYSTEM;
+ m->test_run = false;
+
+ 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) {
- manager_free(m);
- return 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) {
- manager_free(m);
- return NULL;
- }
+ if (!m->udev)
+ goto fail;
r = sd_event_default(&m->event);
- if (r < 0) {
- manager_free(m);
- return NULL;
- }
+ if (r < 0)
+ goto fail;
sd_event_set_watchdog(m->event, true);
return m;
+
+fail:
+ manager_free(m);
+ 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);
sd_event_source_unref(m->udev_device_event_source);
sd_event_source_unref(m->udev_vcsa_event_source);
sd_event_source_unref(m->udev_button_event_source);
+ sd_event_source_unref(m->lid_switch_ignore_event_source);
- if (m->console_active_fd >= 0)
- close_nointr_nofail(m->console_active_fd);
+ 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);
- bus_verify_polkit_async_registry_free(m->bus, m->polkit_registry);
+ 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);
- if (m->reserve_vt_fd >= 0)
- close_nointr_nofail(m->reserve_vt_fd);
+/// 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);
}
static int manager_enumerate_devices(Manager *m) {
struct udev_list_entry *item = NULL, *first = NULL;
- struct udev_enumerate *e;
+ _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
int r;
assert(m);
* necessary */
e = udev_enumerate_new(m->udev);
- if (!e) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!e)
+ return -ENOMEM;
r = udev_enumerate_add_match_tag(e, "master-of-seat");
if (r < 0)
- goto finish;
+ return r;
+
+ r = udev_enumerate_add_match_is_initialized(e);
+ if (r < 0)
+ return r;
r = udev_enumerate_scan_devices(e);
if (r < 0)
- goto finish;
+ return r;
first = udev_enumerate_get_list_entry(e);
udev_list_entry_foreach(item, first) {
- struct udev_device *d;
+ _cleanup_udev_device_unref_ struct udev_device *d = NULL;
int k;
d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
- if (!d) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!d)
+ return -ENOMEM;
k = manager_process_seat_device(m, d);
- udev_device_unref(d);
-
if (k < 0)
r = k;
}
-finish:
- if (e)
- udev_enumerate_unref(e);
-
return r;
}
static int manager_enumerate_buttons(Manager *m) {
+ _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
struct udev_list_entry *item = NULL, *first = NULL;
- struct udev_enumerate *e;
int r;
assert(m);
if (m->handle_power_key == HANDLE_IGNORE &&
m->handle_suspend_key == HANDLE_IGNORE &&
m->handle_hibernate_key == HANDLE_IGNORE &&
- m->handle_lid_switch == HANDLE_IGNORE)
+ m->handle_lid_switch == HANDLE_IGNORE &&
+ m->handle_lid_switch_docked == HANDLE_IGNORE)
return 0;
e = udev_enumerate_new(m->udev);
- if (!e) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!e)
+ return -ENOMEM;
r = udev_enumerate_add_match_subsystem(e, "input");
if (r < 0)
- goto finish;
+ return r;
r = udev_enumerate_add_match_tag(e, "power-switch");
if (r < 0)
- goto finish;
+ return r;
+
+ r = udev_enumerate_add_match_is_initialized(e);
+ if (r < 0)
+ return r;
r = udev_enumerate_scan_devices(e);
if (r < 0)
- goto finish;
+ return r;
first = udev_enumerate_get_list_entry(e);
udev_list_entry_foreach(item, first) {
- struct udev_device *d;
+ _cleanup_udev_device_unref_ struct udev_device *d = NULL;
int k;
d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
- if (!d) {
- r = -ENOMEM;
- goto finish;
- }
+ if (!d)
+ return -ENOMEM;
k = manager_process_button_device(m, d);
- udev_device_unref(d);
-
if (k < 0)
r = k;
}
-finish:
- if (e)
- udev_enumerate_unref(e);
-
return r;
}
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;
}
k = manager_add_user_by_name(m, de->d_name, NULL);
if (k < 0) {
- log_notice("Couldn't add lingering user %s: %s", de->d_name, strerror(-k));
+ log_notice_errno(k, "Couldn't add lingering user %s: %m", de->d_name);
r = k;
}
}
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;
}
k = manager_add_user_by_name(m, de->d_name, &u);
if (k < 0) {
- log_error("Failed to add user by file name %s: %s", de->d_name, strerror(-k));
+ log_error_errno(k, "Failed to add user by file name %s: %m", de->d_name);
r = k;
continue;
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;
}
k = manager_add_session(m, de->d_name, &s);
if (k < 0) {
- log_error("Failed to add session by file name %s: %s", de->d_name, strerror(-k));
+ log_error_errno(k, "Failed to add session by file name %s: %m", de->d_name);
r = k;
continue;
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;
}
k = manager_add_inhibitor(m, de->d_name, &i);
if (k < 0) {
- log_notice("Couldn't add inhibitor %s: %s", de->d_name, strerror(-k));
+ log_notice_errno(k, "Couldn't add inhibitor %s: %m", de->d_name);
r = k;
continue;
}
}
static int manager_dispatch_seat_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
+ _cleanup_udev_device_unref_ struct udev_device *d = NULL;
Manager *m = userdata;
- struct udev_device *d;
- int r;
assert(m);
if (!d)
return -ENOMEM;
- r = manager_process_seat_device(m, d);
- udev_device_unref(d);
-
- return r;
+ manager_process_seat_device(m, d);
+ return 0;
}
static int manager_dispatch_device_udev(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
+ _cleanup_udev_device_unref_ struct udev_device *d = NULL;
Manager *m = userdata;
- struct udev_device *d;
- int r;
assert(m);
if (!d)
return -ENOMEM;
- r = manager_process_seat_device(m, d);
- udev_device_unref(d);
-
- return r;
+ manager_process_seat_device(m, d);
+ 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;
- struct udev_device *d;
- int r = 0;
const char *name;
assert(m);
* VTs, to make sure our auto VTs never go away. */
if (name && startswith(name, "vcsa") && streq_ptr(udev_device_get_action(d), "remove"))
- r = seat_preallocate_vts(m->seat0);
-
- udev_device_unref(d);
+ seat_preallocate_vts(m->seat0);
- return r;
+ 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;
Manager *m = userdata;
- struct udev_device *d;
- int r;
assert(m);
if (!d)
return -ENOMEM;
- r = manager_process_button_device(m, d);
- udev_device_unref(d);
-
- return r;
+ manager_process_button_device(m, d);
+ return 0;
}
static int manager_dispatch_console(sd_event_source *s, int fd, uint32_t revents, void *userdata) {
assert(m->console_active_fd == fd);
seat_read_active_vt(m->seat0);
-
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 manager_connect_bus(Manager *m) {
- _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+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);
- assert(!m->bus);
- r = sd_bus_default_system(&m->bus);
+ r = sd_bus_message_read(message, "s", &cgroup);
if (r < 0) {
- log_error("Failed to connect to system bus: %s", strerror(-r));
- return r;
+ bus_log_parse_error(r);
+ return 0;
}
- r = sd_bus_add_object_vtable(m->bus, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m);
- if (r < 0) {
- log_error("Failed to add manager object vtable: %s", strerror(-r));
- return r;
- }
+ s = hashmap_get(m->sessions, cgroup);
- r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/seat", "org.freedesktop.login1.Seat", seat_vtable, seat_object_find, m);
- if (r < 0) {
- log_error("Failed to add seat object vtable: %s", strerror(-r));
- return r;
+ if (!s) {
+ log_warning("Session not found: %s", cgroup);
+ return 0;
}
- r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/seat", seat_node_enumerator, m);
- if (r < 0) {
- log_error("Failed to add seat enumerator: %s", strerror(-r));
- return r;
- }
+ session_finalize(s);
+ session_free(s);
- r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/session", "org.freedesktop.login1.Session", session_vtable, session_object_find, m);
- if (r < 0) {
- log_error("Failed to add session object vtable: %s", strerror(-r));
- return r;
- }
+ return 0;
+}
- r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/session", session_node_enumerator, m);
- if (r < 0) {
- log_error("Failed to add session enumerator: %s", strerror(-r));
- return r;
- }
+static int manager_connect_bus(Manager *m) {
+ _cleanup_bus_error_free_ sd_bus_error error = SD_BUS_ERROR_NULL;
+ int r;
- r = sd_bus_add_fallback_vtable(m->bus, "/org/freedesktop/login1/user", "org.freedesktop.login1.User", user_vtable, user_object_find, m);
- if (r < 0) {
- log_error("Failed to add user object vtable: %s", strerror(-r));
- return r;
- }
+ assert(m);
+ assert(!m->bus);
- r = sd_bus_add_node_enumerator(m->bus, "/org/freedesktop/login1/user", user_node_enumerator, m);
- if (r < 0) {
- log_error("Failed to add user enumerator: %s", strerror(-r));
- return r;
- }
+ r = sd_bus_default_system(&m->bus);
+ if (r < 0)
+ return log_error_errno(r, "Failed to connect to system bus: %m");
- r = sd_bus_add_match(m->bus,
+ r = sd_bus_add_object_vtable(m->bus, NULL, "/org/freedesktop/login1", "org.freedesktop.login1.Manager", manager_vtable, m);
+ 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',"
- "sender='org.freedesktop.DBus',"
- "interface='org.freedesktop.DBus',"
- "member='NameOwnerChanged',"
- "path='/org/freedesktop/DBus'",
- match_name_owner_changed, m);
- if (r < 0) {
- log_error("Failed to add match for NameOwnerChanged: %s", strerror(-r));
- return r;
- }
+ "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)
+ 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)
+ 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)
+ 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)
+ 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)
+ 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)
+ 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',"
"sender='org.freedesktop.systemd1',"
"interface='org.freedesktop.systemd1.Manager',"
"member='JobRemoved',"
"path='/org/freedesktop/systemd1'",
match_job_removed, m);
- if (r < 0) {
- log_error("Failed to add match for JobRemoved: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ log_warning_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) {
- log_error("Failed to add match for UnitRemoved: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ log_warning_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) {
- log_error("Failed to add match for PropertiesChanged: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ log_warning_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) {
- log_error("Failed to add match for Reloading: %s", strerror(-r));
- 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", SD_BUS_NAME_REPLACE_EXISTING|SD_BUS_NAME_DO_NOT_QUEUE);
- if (r < 0) {
- log_error("Failed to register name: %s", strerror(-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");
r = sd_bus_attach_event(m->bus, m->event, 0);
- if (r < 0) {
- log_error("Failed to attach bus to event loop: %s", strerror(-r));
- return r;
+ if (r < 0)
+ return log_error_errno(r, "Failed to attach bus to event loop: %m");
+
+ return 0;
+}
+
+static int manager_vt_switch(sd_event_source *src, const struct signalfd_siginfo *si, void *data) {
+ Manager *m = data;
+ Session *active, *iter;
+
+ /*
+ * We got a VT-switch signal and we have to acknowledge it immediately.
+ * Preferably, we'd just use m->seat0->active->vtfd, but unfortunately,
+ * old user-space might run multiple sessions on a single VT, *sigh*.
+ * Therefore, we have to iterate all sessions and find one with a vtfd
+ * on the requested VT.
+ * As only VTs with active controllers have VT_PROCESS set, our current
+ * notion of the active VT might be wrong (for instance if the switch
+ * happens while we setup VT_PROCESS). Therefore, read the current VT
+ * first and then use s->active->vtnr as reference. Note that this is
+ * not racy, as no further VT-switch can happen as long as we're in
+ * synchronous VT_PROCESS mode.
+ */
+
+ assert(m->seat0);
+ seat_read_active_vt(m->seat0);
+
+ active = m->seat0->active;
+ if (!active || active->vtnr < 1) {
+ log_warning("Received VT_PROCESS signal without a registered session on that VT.");
+ return 0;
+ }
+
+ if (active->vtfd >= 0) {
+ session_leave_vt(active);
+ } else {
+ LIST_FOREACH(sessions_by_seat, iter, m->seat0->sessions) {
+ if (iter->vtnr == active->vtnr && iter->vtfd >= 0) {
+ session_leave_vt(iter);
+ break;
+ }
+ }
}
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;
}
- r = sd_event_add_io(m->event, m->console_active_fd, 0, manager_dispatch_console, m, &m->console_active_event_source);
+ r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m);
if (r < 0) {
log_error("Failed to watch foreground console");
return r;
}
+ /*
+ * SIGRTMIN is used as global VT-release signal, SIGRTMIN + 1 is used
+ * as VT-acquire signal. We ignore any acquire-events (yes, we still
+ * have to provide a valid signal-number for it!) and acknowledge all
+ * release events immediately.
+ */
+
+ if (SIGRTMIN + 1 > SIGRTMAX) {
+ log_error("Not enough real-time signals available: %u-%u", SIGRTMIN, SIGRTMAX);
+ return -EINVAL;
+ }
+
+ 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;
+
return 0;
}
if (r < 0)
return r;
- r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_seat_monitor), EPOLLIN, manager_dispatch_seat_udev, m, &m->udev_seat_event_source);
+ r = sd_event_add_io(m->event, &m->udev_seat_event_source, udev_monitor_get_fd(m->udev_seat_monitor), EPOLLIN, manager_dispatch_seat_udev, m);
if (r < 0)
return r;
if (r < 0)
return r;
- r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_device_monitor), EPOLLIN, manager_dispatch_device_udev, m, &m->udev_device_event_source);
+ r = sd_event_add_io(m->event, &m->udev_device_event_source, udev_monitor_get_fd(m->udev_device_monitor), EPOLLIN, manager_dispatch_device_udev, m);
if (r < 0)
return r;
if (m->handle_power_key != HANDLE_IGNORE ||
m->handle_suspend_key != HANDLE_IGNORE ||
m->handle_hibernate_key != HANDLE_IGNORE ||
- m->handle_lid_switch != HANDLE_IGNORE) {
+ m->handle_lid_switch != HANDLE_IGNORE ||
+ m->handle_lid_switch_docked != HANDLE_IGNORE) {
m->udev_button_monitor = udev_monitor_new_from_netlink(m->udev, "udev");
if (!m->udev_button_monitor)
if (r < 0)
return r;
- r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_button_monitor), EPOLLIN, manager_dispatch_button_udev, m, &m->udev_button_event_source);
+ r = sd_event_add_io(m->event, &m->udev_button_event_source, udev_monitor_get_fd(m->udev_button_monitor), EPOLLIN, manager_dispatch_button_udev, m);
if (r < 0)
return r;
}
/* 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;
- r = sd_event_add_io(m->event, udev_monitor_get_fd(m->udev_vcsa_monitor), EPOLLIN, manager_dispatch_vcsa_udev, m, &m->udev_vcsa_event_source);
+ 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;
}
+#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;
seat->in_gc_queue = false;
if (!seat_check_gc(seat, drop_not_started)) {
- seat_stop(seat);
+ seat_stop(seat, false);
seat_free(seat);
}
}
LIST_REMOVE(gc_queue, m->session_gc_queue, session);
session->in_gc_queue = false;
+ /* First, if we are not closing yet, initiate stopping */
+ if (!session_check_gc(session, drop_not_started) &&
+ session_get_state(session) != SESSION_CLOSING)
+ session_stop(session, false);
+
+ /* 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_stop(session);
session_finalize(session);
session_free(session);
}
LIST_REMOVE(gc_queue, m->user_gc_queue, user);
user->in_gc_queue = false;
+ /* First step: queue stop jobs */
+ if (!user_check_gc(user, drop_not_started))
+ user_stop(user, false);
+
+ /* Second step: finalize user */
if (!user_check_gc(user, drop_not_started)) {
- user_stop(user);
user_finalize(user);
user_free(user);
}
if (!m->idle_action_event_source) {
- r = sd_event_add_monotonic(m->event, elapse, USEC_PER_SEC*30, manager_dispatch_idle_action, m, &m->idle_action_event_source);
- if (r < 0) {
- log_error("Failed to add idle event source: %s", strerror(-r));
- return r;
- }
+ r = sd_event_add_time(
+ m->event,
+ &m->idle_action_event_source,
+ CLOCK_MONOTONIC,
+ elapse, USEC_PER_SEC*30,
+ manager_dispatch_idle_action, m);
+ 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("Failed to set idle event source priority: %s", strerror(-r));
- 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("Failed to set idle event timer: %s", strerror(-r));
- 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("Failed to enable idle event timer: %s", strerror(-r));
- 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;
User *user;
+ Button *button;
Inhibitor *inhibitor;
Iterator i;
/* Connect to udev */
r = manager_connect_udev(m);
- if (r < 0) {
- log_error("Failed to create udev watchers: %s", strerror(-r));
- 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("Failed to add seat0: %s", strerror(-r));
- return r;
- }
+ if (r < 0)
+ return log_error_errno(r, "Failed to add seat0: %m");
+
+ 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");
/* Deserialize state */
r = manager_enumerate_devices(m);
if (r < 0)
- log_warning("Device enumeration failed: %s", strerror(-r));
+ log_warning_errno(r, "Device enumeration failed: %m");
r = manager_enumerate_seats(m);
if (r < 0)
- log_warning("Seat enumeration failed: %s", strerror(-r));
+ log_warning_errno(r, "Seat enumeration failed: %m");
r = manager_enumerate_users(m);
if (r < 0)
- log_warning("User enumeration failed: %s", strerror(-r));
+ log_warning_errno(r, "User enumeration failed: %m");
r = manager_enumerate_sessions(m);
if (r < 0)
- log_warning("Session enumeration failed: %s", strerror(-r));
+ log_warning_errno(r, "Session enumeration failed: %m");
r = manager_enumerate_inhibitors(m);
if (r < 0)
- log_warning("Inhibitor enumeration failed: %s", strerror(-r));
+ log_warning_errno(r, "Inhibitor enumeration failed: %m");
r = manager_enumerate_buttons(m);
if (r < 0)
- log_warning("Button enumeration failed: %s", strerror(-r));
+ log_warning_errno(r, "Button enumeration failed: %m");
/* Remove stale objects before we start them */
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)
HASHMAP_FOREACH(inhibitor, m->inhibitors, i)
inhibitor_start(inhibitor);
+ HASHMAP_FOREACH(button, m->buttons, i)
+ button_check_switches(button);
+
manager_dispatch_idle_action(NULL, 0, m);
return 0;
}
-static int manager_recheck_buttons(Manager *m) {
- Iterator i;
- Button *b;
- int r = 0;
-
- assert(m);
-
- HASHMAP_FOREACH(b, m->buttons, i) {
- int q;
-
- q = button_recheck(b);
- if (q > 0)
- return 1;
- if (q < 0)
- r = q;
- }
-
- return r;
-}
-
-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)
- continue;
-
- if (manager_recheck_buttons(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;
}
-
- return 0;
}
static int manager_parse_config_file(Manager *m) {
- static const char fn[] = "/etc/systemd/logind.conf";
- _cleanup_fclose_ FILE *f = NULL;
- int r;
+ const char *unit = NULL, *logind_conf, *sections;
+ FILE *file = NULL;
+ bool relaxed = false, allow_include = false, warn = true;
assert(m);
- f = fopen(fn, "re");
- if (!f) {
- if (errno == ENOENT)
- return 0;
-
- log_warning("Failed to open configuration file %s: %m", fn);
- return -errno;
- }
-
- r = config_parse(NULL, fn, f, "Login\0", config_item_perf_lookup,
- (void*) logind_gperf_lookup, false, false, m);
- if (r < 0)
- log_warning("Failed to parse configuration file: %s", strerror(-r));
-
- return r;
+/// 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) {
r = manager_startup(m);
if (r < 0) {
- log_error("Failed to fully start up daemon: %s", strerror(-r));
+ log_error_errno(r, "Failed to fully start up daemon: %m");
goto finish;
}
- log_debug("systemd-logind running as pid %lu", (unsigned long) 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 %lu", (unsigned long) 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