-/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
-
/***
This file is part of systemd.
#include <string.h>
#include <unistd.h>
+#if 0 /// elogind needs the systems udev header
#include "libudev.h"
+#else
+#include <libudev.h>
+#endif // 0
#include "sd-daemon.h"
#include "alloc-util.h"
#include "fd-util.h"
#include "formats-util.h"
#include "logind.h"
+#include "selinux-util.h"
#include "signal-util.h"
#include "strv.h"
#include "udev-util.h"
static void manager_free(Manager *m);
-static Manager *manager_new(void) {
- Manager *m;
- int r;
+static void manager_reset_config(Manager *m) {
- m = new0(Manager, 1);
- 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;
+#ifdef ENABLE_DEBUG_ELOGIND
+ int dbg_cnt;
+#endif // ENABLE_DEBUG_ELOGIND
+#if 0 /// elogind does not support autospawning of vts
m->n_autovts = 6;
m->reserve_vt = 6;
#endif // 0
m->handle_hibernate_key = HANDLE_HIBERNATE;
m->handle_lid_switch = HANDLE_SUSPEND;
m->handle_lid_switch_docked = HANDLE_IGNORE;
+ m->power_key_ignore_inhibited = false;
+ m->suspend_key_ignore_inhibited = false;
+ m->hibernate_key_ignore_inhibited = false;
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->runtime_dir_size = PAGE_ALIGN((size_t) (physical_memory() / 10)); /* 10% */
- m->user_tasks_max = UINT64_C(4096);
+ m->user_tasks_max = 12288;
+ m->sessions_max = 8192;
+ m->inhibitors_max = 8192;
+
+ m->kill_user_processes = KILL_USER_PROCESSES;
+
+ m->kill_only_users = strv_free(m->kill_only_users);
+ m->kill_exclude_users = strv_free(m->kill_exclude_users);
+
+ /* Set default Sleep config if not already set by logind.conf */
+ if (!m->suspend_state)
+ m->suspend_state = strv_new("mem", "standby", "freeze", NULL);
+ if (!m->hibernate_mode)
+ m->hibernate_mode = strv_new("platform", "shutdown", NULL);
+ if (!m->hibernate_state)
+ m->hibernate_state = strv_new("disk", NULL);
+ if (!m->hybrid_sleep_mode)
+ m->hybrid_sleep_mode = strv_new("suspend", "platform", "shutdown", NULL);
+ if (!m->hybrid_sleep_state)
+ m->hybrid_sleep_state = strv_new("disk", NULL);
+
+#ifdef ENABLE_DEBUG_ELOGIND
+ dbg_cnt = -1;
+ while (m->suspend_mode && m->suspend_mode[++dbg_cnt])
+ log_debug_elogind("suspend_mode[%d] = %s",
+ dbg_cnt, m->suspend_mode[dbg_cnt]);
+ dbg_cnt = -1;
+ while (m->suspend_state[++dbg_cnt])
+ log_debug_elogind("suspend_state[%d] = %s",
+ dbg_cnt, m->suspend_state[dbg_cnt]);
+ dbg_cnt = -1;
+ while (m->hibernate_mode[++dbg_cnt])
+ log_debug_elogind("hibernate_mode[%d] = %s",
+ dbg_cnt, m->hibernate_mode[dbg_cnt]);
+ dbg_cnt = -1;
+ while (m->hibernate_state[++dbg_cnt])
+ log_debug_elogind("hibernate_state[%d] = %s",
+ dbg_cnt, m->hibernate_state[dbg_cnt]);
+ dbg_cnt = -1;
+ while (m->hybrid_sleep_mode[++dbg_cnt])
+ log_debug_elogind("hybrid_sleep_mode[%d] = %s",
+ dbg_cnt, m->hybrid_sleep_mode[dbg_cnt]);
+ dbg_cnt = -1;
+ while (m->hybrid_sleep_state[++dbg_cnt])
+ log_debug_elogind("hybrid_sleep_state[%d] = %s",
+ dbg_cnt, m->hybrid_sleep_state[dbg_cnt]);
+#endif // ENABLE_DEBUG_ELOGIND
+}
+
+static Manager *manager_new(void) {
+ Manager *m;
+ int r;
+
+ m = new0(Manager, 1);
+ if (!m)
+ return NULL;
+
+ m->pin_cgroupfs_fd = -1;
+ m->console_active_fd = -1;
+#if 0 /// UNNEEDED by elogind
+ m->reserve_vt_fd = -1;
+#endif // 0
+
+ m->idle_action_not_before_usec = now(CLOCK_MONOTONIC);
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->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)
- 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;
- 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->suspend_mode = NULL;
+ m->suspend_state = NULL;
+ m->hibernate_mode = NULL;
+ m->hibernate_state = NULL;
+ m->hybrid_sleep_mode = NULL;
+ m->hybrid_sleep_state = NULL;
m->udev = udev_new();
if (!m->udev)
sd_event_set_watchdog(m->event, true);
+ manager_reset_config(m);
+
return m;
fail:
safe_close(m->console_active_fd);
- udev_monitor_unref(m->udev_seat_monitor);
- udev_monitor_unref(m->udev_device_monitor);
- udev_monitor_unref(m->udev_vcsa_monitor);
- udev_monitor_unref(m->udev_button_monitor);
+ udev_monitor_unref(m->udev_seat_monitor);
+ udev_monitor_unref(m->udev_device_monitor);
+ udev_monitor_unref(m->udev_vcsa_monitor);
+ udev_monitor_unref(m->udev_button_monitor);
- udev_unref(m->udev);
+ udev_unref(m->udev);
if (m->unlink_nologin)
(void) unlink("/run/nologin");
sd_bus_unref(m->bus);
sd_event_unref(m->event);
-/// elogind does not support autospawning of vts
-#if 0
+#if 0 /// elogind does not support autospawning of vts
safe_close(m->reserve_vt_fd);
#endif // 0
strv_free(m->hybrid_sleep_mode);
strv_free(m->hybrid_sleep_state);
+#if 0 /// UNNEEDED by elogind
+ free(m->action_job);
+#endif // 0
free(m);
}
return 0;
}
-/// UNNEEDED by elogind
-#if 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;
}
-/// UNNEEDED by elogind
-#if 0
+#if 0 /// UNNEEDED by elogind
static int manager_reserve_vt(Manager *m) {
_cleanup_free_ char *p = NULL;
#endif // 0
static int signal_agent_released(sd_bus_message *message, void *userdata, sd_bus_error *error) {
+ _cleanup_(sd_bus_creds_unrefp) sd_bus_creds *creds = NULL;
Manager *m = userdata;
- Session *s;
const char *cgroup;
+ Session *s;
+ uid_t sender_uid;
int r;
assert(message);
assert(m);
+ /* only accept org.freedesktop.systemd1.Agent from UID=0 */
+ r = sd_bus_query_sender_creds(message, SD_BUS_CREDS_EUID, &creds);
+ if (r < 0)
+ return r;
+
+ r = sd_bus_creds_get_euid(creds, &sender_uid);
+ if (r < 0 || sender_uid != 0)
+ return 0;
+
+ /* parse 'cgroup-empty' notification */
r = sd_bus_message_read(message, "s", &cgroup);
if (r < 0) {
bus_log_parse_error(r);
}
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);
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_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)
if (r < 0)
return log_error_errno(r, "Failed to add user enumerator: %m");
-/// elogind does not support systemd as PID 1
-#if 0
+#if 0 /// elogind does not support systemd as PID 1
r = sd_bus_add_match(m->bus,
NULL,
"type='signal',"
if (r < 0)
return log_error_errno(r, "Failed to register name: %m");
- r = sd_bus_attach_event(m->bus, m->event, 0);
+ r = sd_bus_attach_event(m->bus, m->event, SD_EVENT_PRIORITY_NORMAL);
if (r < 0)
return log_error_errno(r, "Failed to attach bus to event loop: %m");
}
/* Don't bother watching VCSA devices, if nobody cares */
-/// elogind does not support autospawning of vts
-#if 0
+#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");
return 0;
}
+static int manager_parse_config_file(Manager *m) {
+#if 0 /// elogind parses its own config file
+ assert(m);
+
+ 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* logind_conf = getenv("ELOGIND_CONF_FILE");
+
+ assert(m);
+
+ if (!logind_conf)
+ logind_conf = PKGSYSCONFDIR "/logind.conf";
+
+ return config_parse(NULL, logind_conf, NULL, "Login\0Sleep\0",
+ config_item_perf_lookup, logind_gperf_lookup,
+ false, false, true, m);
+#endif // 0
+}
+
+static int manager_dispatch_reload_signal(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
+ Manager *m = userdata;
+ int r;
+
+ manager_reset_config(m);
+ r = manager_parse_config_file(m);
+ if (r < 0)
+ log_warning_errno(r, "Failed to parse config file, using defaults: %m");
+ else
+ log_info("Config file reloaded.");
+
+ return 0;
+}
+
static int manager_startup(Manager *m) {
int r;
Seat *seat;
assert(m);
+ assert_se(sigprocmask_many(SIG_SETMASK, NULL, SIGHUP, -1) >= 0);
+
+ r = sd_event_add_signal(m->event, NULL, SIGHUP, manager_dispatch_reload_signal, m);
+ if (r < 0)
+ return log_error_errno(r, "Failed to register SIGHUP handler: %m");
+
/* Connect to console */
r = manager_connect_console(m);
if (r < 0)
manager_gc(m, false);
/* Reserve the special reserved VT */
-/// elogind does not support autospawning of vts
-#if 0
+#if 0 /// elogind does not support autospawning of vts
manager_reserve_vt(m);
#endif // 0
}
}
-static int manager_parse_config_file(Manager *m) {
-/// elogind parses its own config file
-#if 0
-
- assert(m);
-
- 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;
goto finish;
}
+ r = mac_selinux_init();
+ if (r < 0) {
+ log_error_errno(r, "Could not initialize labelling: %m");
+ goto finish;
+ }
+
/* Always create the directories people can create inotify
* watches in. Note that some applications might check for the
* existence of /run/systemd/seats/ to determine whether
* logind is available, so please always make sure this check
* stays in. */
-/// elogind can not rely on systemd to help, so we need a bit more effort than this
-#if 0
+#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);
"STOPPING=1\n"
"STATUS=Shutting down...");
+ if (m)
manager_free(m);
return r < 0 ? EXIT_FAILURE : EXIT_SUCCESS;
~ianmdlvl / elogind.git / blobdiff