src/login/logind.h

   1 /* SPDX-License-Identifier: LGPL-2.1-or-later */
   2 #pragma once
   3
   4 #include <stdbool.h>
   5 #include <sys/stat.h>
   6
   7 #include "sd-bus.h"
   8 #include "sd-device.h"
   9 #include "sd-event.h"
  10
  11 #include "conf-parser.h"
  12 #include "hashmap.h"
  13 #include "list.h"
  14 #include "set.h"
  15 #include "time-util.h"
  16 #include "user-record.h"
  17
  18 typedef struct Manager Manager;
  19
  20 #include "logind-action.h"
  21 #include "logind-button.h"
  22 #include "logind-device.h"
  23 #include "logind-inhibit.h"
  24
  25 struct Manager {
  26         sd_event *event;
  27         sd_bus *bus;
  28
  29         Hashmap *devices;
  30         Hashmap *seats;
  31         Hashmap *sessions;
  32         Hashmap *sessions_by_leader;
  33         Hashmap *users;  /* indexed by UID */
  34         Hashmap *inhibitors;
  35         Hashmap *buttons;
  36         Hashmap *brightness_writers;
  37
  38         LIST_HEAD(Seat, seat_gc_queue);
  39         LIST_HEAD(Session, session_gc_queue);
  40         LIST_HEAD(User, user_gc_queue);
  41
  42         sd_device_monitor *device_seat_monitor, *device_monitor, *device_vcsa_monitor, *device_button_monitor;
  43
  44         sd_event_source *console_active_event_source;
  45
  46 #if ENABLE_UTMP
  47         sd_event_source *utmp_event_source;
  48 #endif
  49
  50         int console_active_fd;
  51
  52         unsigned n_autovts;
  53
  54         unsigned reserve_vt;
  55         int reserve_vt_fd;
  56
  57         Seat *seat0;
  58
  59         char **kill_only_users, **kill_exclude_users;
  60         bool kill_user_processes;
  61
  62         unsigned long session_counter;
  63         unsigned long inhibit_counter;
  64
  65         Hashmap *session_units;
  66         Hashmap *user_units;
  67
  68         usec_t inhibit_delay_max;
  69         usec_t user_stop_delay;
  70
  71         /* If an action is currently being executed or is delayed,
  72          * this is != 0 and encodes what is being done */
  73         InhibitWhat action_what;
  74
  75         /* If a shutdown/suspend was delayed due to an inhibitor this
  76            contains the unit name we are supposed to start after the
  77            delay is over */
  78         const char *action_unit;
  79
  80         /* If a shutdown/suspend is currently executed, then this is
  81          * the job of it */
  82         char *action_job;
  83         sd_event_source *inhibit_timeout_source;
  84
  85         char *scheduled_shutdown_type;
  86         usec_t scheduled_shutdown_timeout;
  87         sd_event_source *scheduled_shutdown_timeout_source;
  88         uid_t scheduled_shutdown_uid;
  89         char *scheduled_shutdown_tty;
  90         sd_event_source *nologin_timeout_source;
  91         bool unlink_nologin;
  92
  93         char *wall_message;
  94         unsigned enable_wall_messages;
  95         sd_event_source *wall_message_timeout_source;
  96
  97         bool shutdown_dry_run;
  98
  99         sd_event_source *idle_action_event_source;
 100         usec_t idle_action_usec;
 101         usec_t idle_action_not_before_usec;
 102         HandleAction idle_action;
 103
 104         HandleAction handle_power_key;
 105         HandleAction handle_suspend_key;
 106         HandleAction handle_hibernate_key;
 107         HandleAction handle_lid_switch;
 108         HandleAction handle_lid_switch_ep;
 109         HandleAction handle_lid_switch_docked;
 110         HandleAction handle_reboot_key;
 111
 112         bool power_key_ignore_inhibited;
 113         bool suspend_key_ignore_inhibited;
 114         bool hibernate_key_ignore_inhibited;
 115         bool lid_switch_ignore_inhibited;
 116         bool reboot_key_ignore_inhibited;
 117
 118         bool remove_ipc;
 119
 120         Hashmap *polkit_registry;
 121
 122         usec_t holdoff_timeout_usec;
 123         sd_event_source *lid_switch_ignore_event_source;
 124
 125         uint64_t runtime_dir_size;
 126         uint64_t runtime_dir_inodes;
 127         uint64_t sessions_max;
 128         uint64_t inhibitors_max;
 129
 130         char **efi_boot_loader_entries;
 131         bool efi_boot_loader_entries_set;
 132
 133         char *efi_loader_entry_one_shot;
 134         struct stat efi_loader_entry_one_shot_stat;
 135 };
 136
 137 void manager_reset_config(Manager *m);
 138 int manager_parse_config_file(Manager *m);
 139
 140 int manager_add_device(Manager *m, const char *sysfs, bool master, Device **ret_device);
 141 int manager_add_button(Manager *m, const char *name, Button **ret_button);
 142 int manager_add_seat(Manager *m, const char *id, Seat **ret_seat);
 143 int manager_add_session(Manager *m, const char *id, Session **ret_session);
 144 int manager_add_user(Manager *m, UserRecord *ur, User **ret_user);
 145 int manager_add_user_by_name(Manager *m, const char *name, User **ret_user);
 146 int manager_add_user_by_uid(Manager *m, uid_t uid, User **ret_user);
 147 int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **ret_inhibitor);
 148
 149 int manager_process_seat_device(Manager *m, sd_device *d);
 150 int manager_process_button_device(Manager *m, sd_device *d);
 151
 152 int manager_spawn_autovt(Manager *m, unsigned vtnr);
 153
 154 bool manager_shall_kill(Manager *m, const char *user);
 155
 156 int manager_get_idle_hint(Manager *m, dual_timestamp *t);
 157
 158 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
 159 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
 160
 161 bool manager_is_lid_closed(Manager *m);
 162 bool manager_is_docked_or_external_displays(Manager *m);
 163 bool manager_is_on_external_power(void);
 164 bool manager_all_buttons_ignored(Manager *m);
 165
 166 int manager_read_utmp(Manager *m);
 167 void manager_connect_utmp(Manager *m);
 168 void manager_reconnect_utmp(Manager *m);
 169
 170 /* gperf lookup function */
 171 const struct ConfigPerfItem* logind_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
 172
 173 int manager_set_lid_switch_ignore(Manager *m, usec_t until);
 174
 175 CONFIG_PARSER_PROTOTYPE(config_parse_n_autovts);
 176 CONFIG_PARSER_PROTOTYPE(config_parse_tmpfs_size);
 177
 178 int manager_setup_wall_message_timer(Manager *m);
 179 bool logind_wall_tty_filter(const char *tty, void *userdata);
 180
 181 int manager_read_efi_boot_loader_entries(Manager *m);