***/
#include <errno.h>
-#include <libudev.h>
#include <fcntl.h>
#include <string.h>
#include <unistd.h>
+#include "libudev.h"
#include "sd-daemon.h"
-#include "strv.h"
-#include "conf-parser.h"
-#include "bus-util.h"
+
+#include "alloc-util.h"
#include "bus-error.h"
-#include "udev-util.h"
+#include "bus-util.h"
+#include "conf-parser.h"
+#include "def.h"
+#include "dirent-util.h"
+#include "fd-util.h"
#include "formats-util.h"
-#include "signal-util.h"
#include "logind.h"
+#include "signal-util.h"
+#include "strv.h"
+#include "udev-util.h"
+
+/// additional includes elogind needs
+#include "cgroup.h" // From src/core/
+#include "label.h"
+#include "mount-setup.h" // From src/core
+#include "musl_missing.h"
static void manager_free(Manager *m);
if (!m)
return NULL;
+ m->pin_cgroupfs_fd = -1;
+
m->console_active_fd = -1;
+#if 0 /// elogind does not support autospawning of vts
+ 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->idle_action_not_before_usec = now(CLOCK_MONOTONIC);
m->runtime_dir_size = PAGE_ALIGN((size_t) (physical_memory() / 10)); /* 10% */
+ m->user_tasks_max = UINT64_C(12288);
m->devices = hashmap_new(&string_hash_ops);
m->seats = 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);
+ 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(SYSTEMD_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;
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);
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)
sd_bus_unref(m->bus);
sd_event_unref(m->event);
+#if 0 /// elogind does not support autospawning of vts
+ safe_close(m->reserve_vt_fd);
+#endif // 0
+
+ manager_shutdown_cgroup(m, true);
+
strv_free(m->kill_only_users);
strv_free(m->kill_exclude_users);
free(m->scheduled_shutdown_type);
free(m->scheduled_shutdown_tty);
free(m->wall_message);
- free(m->action_job);
+
+ 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_errno(errno, "Failed to open /run/systemd/seats: %m");
- return -errno;
+ return log_error_errno(errno, "Failed to open /run/systemd/seats: %m");
}
FOREACH_DIRENT(de, d, return -errno) {
if (errno == ENOENT)
return 0;
- log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m");
- return -errno;
+ return log_error_errno(errno, "Failed to open /var/lib/systemd/linger/: %m");
}
FOREACH_DIRENT(de, d, return -errno) {
if (errno == ENOENT)
return 0;
- log_error_errno(errno, "Failed to open /run/systemd/users: %m");
- return -errno;
+ return log_error_errno(errno, "Failed to open /run/systemd/users: %m");
}
FOREACH_DIRENT(de, d, return -errno) {
if (errno == ENOENT)
return 0;
- log_error_errno(errno, "Failed to open /run/systemd/sessions: %m");
- return -errno;
+ return log_error_errno(errno, "Failed to open /run/systemd/sessions: %m");
}
FOREACH_DIRENT(de, d, return -errno) {
if (errno == ENOENT)
return 0;
- log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m");
- return -errno;
+ return log_error_errno(errno, "Failed to open /run/systemd/inhibit: %m");
}
FOREACH_DIRENT(de, d, return -errno) {
return 0;
}
+#if 0 /// UNNEEDED by elogind
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;
}
+#if 0 /// UNNEEDED by elogind
+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;
+}
+#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;
+ _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
int r;
assert(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',"
+ "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");
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");
-
+#if 0 /// elogind does not support systemd as PID 1
r = sd_bus_add_match(m->bus,
NULL,
"type='signal',"
log_error("Failed to enable subscription: %s", bus_error_message(&error, r));
return r;
}
+#endif // 0
r = sd_bus_request_name(m->bus, "org.freedesktop.login1", 0);
if (r < 0)
if (errno == ENOENT)
return 0;
- log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m");
- return -errno;
+ return log_error_errno(errno, "Failed to open /sys/class/tty/tty0/active: %m");
}
r = sd_event_add_io(m->event, &m->console_active_event_source, m->console_active_fd, 0, manager_dispatch_console, m);
return r;
}
+ /* Don't bother watching VCSA devices, if nobody cares */
+#if 0 /// elogind does not support autospawning of vts
+ 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;
+ }
+#endif // 0
+
return 0;
}
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);
/* Remove stale objects before we start them */
manager_gc(m, false);
+ /* Reserve the special reserved VT */
+#if 0 /// elogind does not support autospawning of vts
+ manager_reserve_vt(m);
+#endif // 0
+
/* And start everything */
HASHMAP_FOREACH(seat, m->seats, i)
seat_start(seat);
}
static int manager_parse_config_file(Manager *m) {
+#if 0 /// elogind parses its own config file
+
assert(m);
- return config_parse_many("/etc/systemd/logind.conf",
- CONF_DIRS_NULSTR("systemd/logind.conf"),
+ return config_parse_many(PKGSYSCONFDIR "/logind.conf",
+ CONF_PATHS_NULSTR("systemd/logind.conf.d"),
"Login\0",
config_item_perf_lookup, logind_gperf_lookup,
false, m);
+#else
+ const char *unit = NULL, *logind_conf, *sections;
+ FILE *file = NULL;
+ bool relaxed = false, allow_include = false, warn = true;
+
+ assert(m);
+
+ 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);
+#endif // 0
}
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", 0755);
+#if 0 /// elogind can not rely on systemd to help, so we need a bit more effort than this
mkdir_label("/run/systemd/seats", 0755);
mkdir_label("/run/systemd/users", 0755);
mkdir_label("/run/systemd/sessions", 0755);
+#else
+ 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");
+#endif // 0
m = manager_new();
if (!m) {
goto finish;
}
- log_debug("logind running as pid "PID_FMT, getpid());
+ log_debug("elogind running as pid "PID_FMT, getpid());
sd_notify(false,
"READY=1\n"
r = manager_run(m);
- log_debug("logind stopped as pid "PID_FMT, getpid());
+ log_debug("elogind 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