src/login/logind.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 #include <stdbool.h>
   5
   6 #include "sd-bus.h"
   7 #include "sd-device.h"
   8 #include "sd-event.h"
   9
  10 #include "conf-parser.h"
  11 #include "hashmap.h"
  12 #include "list.h"
  13 #include "set.h"
  14 #include "time-util.h"
  15
  16 typedef struct Manager Manager;
  17
  18 #include "logind-action.h"
  19 #include "logind-button.h"
  20 #include "logind-device.h"
  21 #include "logind-inhibit.h"
  22
  23 struct Manager {
  24         sd_event *event;
  25         sd_bus *bus;
  26
  27         Hashmap *devices;
  28         Hashmap *seats;
  29         Hashmap *sessions;
  30         Hashmap *sessions_by_leader;
  31         Hashmap *users;
  32         Hashmap *inhibitors;
  33         Hashmap *buttons;
  34         Hashmap *brightness_writers;
  35
  36         LIST_HEAD(Seat, seat_gc_queue);
  37         LIST_HEAD(Session, session_gc_queue);
  38         LIST_HEAD(User, user_gc_queue);
  39
  40         sd_device_monitor *device_seat_monitor, *device_monitor, *device_vcsa_monitor, *device_button_monitor;
  41
  42         sd_event_source *console_active_event_source;
  43
  44 #if ENABLE_UTMP
  45         sd_event_source *utmp_event_source;
  46 #endif
  47
  48         int console_active_fd;
  49
  50         unsigned n_autovts;
  51
  52         unsigned reserve_vt;
  53         int reserve_vt_fd;
  54
  55         Seat *seat0;
  56
  57         char **kill_only_users, **kill_exclude_users;
  58         bool kill_user_processes;
  59
  60         unsigned long session_counter;
  61         unsigned long inhibit_counter;
  62
  63         Hashmap *session_units;
  64         Hashmap *user_units;
  65
  66         usec_t inhibit_delay_max;
  67         usec_t user_stop_delay;
  68
  69         /* If an action is currently being executed or is delayed,
  70          * this is != 0 and encodes what is being done */
  71         InhibitWhat action_what;
  72
  73         /* If a shutdown/suspend was delayed due to a inhibitor this
  74            contains the unit name we are supposed to start after the
  75            delay is over */
  76         const char *action_unit;
  77
  78         /* If a shutdown/suspend is currently executed, then this is
  79          * the job of it */
  80         char *action_job;
  81         sd_event_source *inhibit_timeout_source;
  82
  83         char *scheduled_shutdown_type;
  84         usec_t scheduled_shutdown_timeout;
  85         sd_event_source *scheduled_shutdown_timeout_source;
  86         uid_t scheduled_shutdown_uid;
  87         char *scheduled_shutdown_tty;
  88         sd_event_source *nologin_timeout_source;
  89         bool unlink_nologin;
  90
  91         char *wall_message;
  92         unsigned enable_wall_messages;
  93         sd_event_source *wall_message_timeout_source;
  94
  95         bool shutdown_dry_run;
  96
  97         sd_event_source *idle_action_event_source;
  98         usec_t idle_action_usec;
  99         usec_t idle_action_not_before_usec;
 100         HandleAction idle_action;
 101
 102         HandleAction handle_power_key;
 103         HandleAction handle_suspend_key;
 104         HandleAction handle_hibernate_key;
 105         HandleAction handle_lid_switch;
 106         HandleAction handle_lid_switch_ep;
 107         HandleAction handle_lid_switch_docked;
 108
 109         bool power_key_ignore_inhibited;
 110         bool suspend_key_ignore_inhibited;
 111         bool hibernate_key_ignore_inhibited;
 112         bool lid_switch_ignore_inhibited;
 113
 114         bool remove_ipc;
 115
 116         Hashmap *polkit_registry;
 117
 118         usec_t holdoff_timeout_usec;
 119         sd_event_source *lid_switch_ignore_event_source;
 120
 121         uint64_t runtime_dir_size;
 122         uint64_t user_tasks_max;
 123         uint64_t sessions_max;
 124         uint64_t inhibitors_max;
 125 };
 126
 127 void manager_reset_config(Manager *m);
 128 int manager_parse_config_file(Manager *m);
 129
 130 int manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device);
 131 int manager_add_button(Manager *m, const char *name, Button **_button);
 132 int manager_add_seat(Manager *m, const char *id, Seat **_seat);
 133 int manager_add_session(Manager *m, const char *id, Session **_session);
 134 int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, const char *home, User **_user);
 135 int manager_add_user_by_name(Manager *m, const char *name, User **_user);
 136 int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user);
 137 int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor);
 138
 139 int manager_process_seat_device(Manager *m, sd_device *d);
 140 int manager_process_button_device(Manager *m, sd_device *d);
 141
 142 int manager_spawn_autovt(Manager *m, unsigned vtnr);
 143
 144 bool manager_shall_kill(Manager *m, const char *user);
 145
 146 int manager_get_idle_hint(Manager *m, dual_timestamp *t);
 147
 148 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
 149 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
 150
 151 bool manager_is_lid_closed(Manager *m);
 152 bool manager_is_docked_or_external_displays(Manager *m);
 153 bool manager_is_on_external_power(void);
 154 bool manager_all_buttons_ignored(Manager *m);
 155
 156 int manager_read_utmp(Manager *m);
 157 void manager_connect_utmp(Manager *m);
 158 void manager_reconnect_utmp(Manager *m);
 159
 160 extern const sd_bus_vtable manager_vtable[];
 161
 162 /* gperf lookup function */
 163 const struct ConfigPerfItem* logind_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
 164
 165 int manager_set_lid_switch_ignore(Manager *m, usec_t until);
 166
 167 CONFIG_PARSER_PROTOTYPE(config_parse_n_autovts);
 168 CONFIG_PARSER_PROTOTYPE(config_parse_tmpfs_size);
 169
 170 int manager_setup_wall_message_timer(Manager *m);
 171 bool logind_wall_tty_filter(const char *tty, void *userdata);