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 a shutdown/suspend was delayed due to an inhibitor this contains the action we are supposed to
72          * start after the delay is over */
73         const HandleActionData *delayed_action;
74 
75         /* If a shutdown/suspend is currently executed, then this is the job of it */
76         char *action_job;
77         sd_event_source *inhibit_timeout_source;
78 
79         const HandleActionData *scheduled_shutdown_action;
80         usec_t scheduled_shutdown_timeout;
81         sd_event_source *scheduled_shutdown_timeout_source;
82         uid_t scheduled_shutdown_uid;
83         char *scheduled_shutdown_tty;
84         sd_event_source *nologin_timeout_source;
85         bool unlink_nologin;
86 
87         char *wall_message;
88         bool enable_wall_messages;
89         sd_event_source *wall_message_timeout_source;
90 
91         bool shutdown_dry_run;
92 
93         sd_event_source *idle_action_event_source;
94         usec_t idle_action_usec;
95         usec_t idle_action_not_before_usec;
96         HandleAction idle_action;
97 
98         HandleAction handle_power_key;
99         HandleAction handle_power_key_long_press;
100         HandleAction handle_reboot_key;
101         HandleAction handle_reboot_key_long_press;
102         HandleAction handle_suspend_key;
103         HandleAction handle_suspend_key_long_press;
104         HandleAction handle_hibernate_key;
105         HandleAction handle_hibernate_key_long_press;
106 
107         HandleAction handle_lid_switch;
108         HandleAction handle_lid_switch_ep;
109         HandleAction handle_lid_switch_docked;
110 
111         bool power_key_ignore_inhibited;
112         bool suspend_key_ignore_inhibited;
113         bool hibernate_key_ignore_inhibited;
114         bool lid_switch_ignore_inhibited;
115         bool reboot_key_ignore_inhibited;
116 
117         bool remove_ipc;
118 
119         Hashmap *polkit_registry;
120 
121         usec_t holdoff_timeout_usec;
122         sd_event_source *lid_switch_ignore_event_source;
123 
124         sd_event_source *power_key_long_press_event_source;
125         sd_event_source *reboot_key_long_press_event_source;
126         sd_event_source *suspend_key_long_press_event_source;
127         sd_event_source *hibernate_key_long_press_event_source;
128 
129         uint64_t runtime_dir_size;
130         uint64_t runtime_dir_inodes;
131         uint64_t sessions_max;
132         uint64_t inhibitors_max;
133 
134         char **efi_boot_loader_entries;
135         bool efi_boot_loader_entries_set;
136 
137         char *efi_loader_entry_one_shot;
138         struct stat efi_loader_entry_one_shot_stat;
139 };
140 
141 void manager_reset_config(Manager *m);
142 int manager_parse_config_file(Manager *m);
143 
144 int manager_add_device(Manager *m, const char *sysfs, bool master, Device **ret_device);
145 int manager_add_button(Manager *m, const char *name, Button **ret_button);
146 int manager_add_seat(Manager *m, const char *id, Seat **ret_seat);
147 int manager_add_session(Manager *m, const char *id, Session **ret_session);
148 int manager_add_user(Manager *m, UserRecord *ur, User **ret_user);
149 int manager_add_user_by_name(Manager *m, const char *name, User **ret_user);
150 int manager_add_user_by_uid(Manager *m, uid_t uid, User **ret_user);
151 int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **ret_inhibitor);
152 
153 int manager_process_seat_device(Manager *m, sd_device *d);
154 int manager_process_button_device(Manager *m, sd_device *d);
155 
156 int manager_spawn_autovt(Manager *m, unsigned vtnr);
157 
158 bool manager_shall_kill(Manager *m, const char *user);
159 
160 int manager_get_idle_hint(Manager *m, dual_timestamp *t);
161 
162 int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
163 int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);
164 
165 bool manager_is_lid_closed(Manager *m);
166 bool manager_is_docked_or_external_displays(Manager *m);
167 bool manager_is_on_external_power(void);
168 bool manager_all_buttons_ignored(Manager *m);
169 
170 int manager_read_utmp(Manager *m);
171 void manager_connect_utmp(Manager *m);
172 void manager_reconnect_utmp(Manager *m);
173 
174 /* gperf lookup function */
175 const struct ConfigPerfItem* logind_gperf_lookup(const char *key, GPERF_LEN_TYPE length);
176 
177 int manager_set_lid_switch_ignore(Manager *m, usec_t until);
178 
179 CONFIG_PARSER_PROTOTYPE(config_parse_n_autovts);
180 CONFIG_PARSER_PROTOTYPE(config_parse_tmpfs_size);
181 
182 int manager_setup_wall_message_timer(Manager *m);
183 bool logind_wall_tty_filter(const char *tty, void *userdata);
184 
185 int manager_read_efi_boot_loader_entries(Manager *m);
186