summaryrefslogtreecommitdiff
path: root/src/login/logind.h
blob: 3990ab040fdeb4cc4a7edbdf733060a0b9de528d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/

#pragma once

/***
  This file is part of systemd.

  Copyright 2011 Lennart Poettering

  systemd is free software; you can redistribute it and/or modify it
  under the terms of the GNU Lesser General Public License as published by
  the Free Software Foundation; either version 2.1 of the License, or
  (at your option) any later version.

  systemd is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public License
  along with systemd; If not, see <http://www.gnu.org/licenses/>.
***/

#include <stdbool.h>
#include <libudev.h>

#include "sd-event.h"
#include "sd-bus.h"
#include "list.h"
#include "hashmap.h"
#include "set.h"

typedef struct Manager Manager;

#include "logind-device.h"
#include "logind-inhibit.h"
#include "logind-button.h"
#include "logind-action.h"

struct Manager {
        sd_event *event;
        sd_bus *bus;

        Hashmap *devices;
        Hashmap *seats;
        Hashmap *sessions;
        Hashmap *users;
        Hashmap *inhibitors;
        Hashmap *buttons;

        LIST_HEAD(Seat, seat_gc_queue);
        LIST_HEAD(Session, session_gc_queue);
        LIST_HEAD(User, user_gc_queue);

        struct udev *udev;
        struct udev_monitor *udev_seat_monitor, *udev_device_monitor, *udev_vcsa_monitor, *udev_button_monitor;

        sd_event_source *console_active_event_source;
        sd_event_source *udev_seat_event_source;
        sd_event_source *udev_device_event_source;
        sd_event_source *udev_vcsa_event_source;
        sd_event_source *udev_button_event_source;

        int console_active_fd;

        unsigned n_autovts;

        unsigned reserve_vt;
        int reserve_vt_fd;

        Seat *seat0;

        char **kill_only_users, **kill_exclude_users;
        bool kill_user_processes;

        unsigned long session_counter;
        unsigned long inhibit_counter;

        Hashmap *session_units;
        Hashmap *user_units;

        usec_t inhibit_delay_max;

        /* If an action is currently being executed or is delayed,
         * this is != 0 and encodes what is being done */
        InhibitWhat action_what;

        /* If a shutdown/suspend was delayed due to a inhibitor this
           contains the unit name we are supposed to start after the
           delay is over */
        const char *action_unit;

        /* If a shutdown/suspend is currently executed, then this is
         * the job of it */
        char *action_job;
        sd_event_source *inhibit_timeout_source;

        char *scheduled_shutdown_type;
        usec_t scheduled_shutdown_timeout;
        sd_event_source *scheduled_shutdown_timeout_source;
        uid_t scheduled_shutdown_uid;
        char *scheduled_shutdown_tty;
        sd_event_source *nologin_timeout_source;
        bool unlink_nologin;

        char *wall_message;
        unsigned enable_wall_messages;
        sd_event_source *wall_message_timeout_source;

        sd_event_source *idle_action_event_source;
        usec_t idle_action_usec;
        usec_t idle_action_not_before_usec;
        HandleAction idle_action;

        HandleAction handle_power_key;
        HandleAction handle_suspend_key;
        HandleAction handle_hibernate_key;
        HandleAction handle_lid_switch;
        HandleAction handle_lid_switch_docked;

        bool power_key_ignore_inhibited;
        bool suspend_key_ignore_inhibited;
        bool hibernate_key_ignore_inhibited;
        bool lid_switch_ignore_inhibited;

        bool remove_ipc;

        Hashmap *polkit_registry;

        usec_t holdoff_timeout_usec;
        sd_event_source *lid_switch_ignore_event_source;

        size_t runtime_dir_size;
};

int manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device);
int manager_add_button(Manager *m, const char *name, Button **_button);
int manager_add_seat(Manager *m, const char *id, Seat **_seat);
int manager_add_session(Manager *m, const char *id, Session **_session);
int manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user);
int manager_add_user_by_name(Manager *m, const char *name, User **_user);
int manager_add_user_by_uid(Manager *m, uid_t uid, User **_user);
int manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor);

int manager_process_seat_device(Manager *m, struct udev_device *d);
int manager_process_button_device(Manager *m, struct udev_device *d);

int manager_spawn_autovt(Manager *m, unsigned int vtnr);

bool manager_shall_kill(Manager *m, const char *user);

int manager_get_idle_hint(Manager *m, dual_timestamp *t);

int manager_get_user_by_pid(Manager *m, pid_t pid, User **user);
int manager_get_session_by_pid(Manager *m, pid_t pid, Session **session);

bool manager_is_docked(Manager *m);
int manager_count_displays(Manager *m);
bool manager_is_docked_or_multiple_displays(Manager *m);

extern const sd_bus_vtable manager_vtable[];

int match_job_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
int match_unit_removed(sd_bus_message *message, void *userdata, sd_bus_error *error);
int match_properties_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);
int match_reloading(sd_bus_message *message, void *userdata, sd_bus_error *error);
int match_name_owner_changed(sd_bus_message *message, void *userdata, sd_bus_error *error);

int bus_manager_shutdown_or_sleep_now_or_later(Manager *m, const char *unit_name, InhibitWhat w, sd_bus_error *error);

int manager_send_changed(Manager *manager, const char *property, ...) _sentinel_;

int manager_start_scope(Manager *manager, const char *scope, pid_t pid, const char *slice, const char *description, const char *after, const char *after2, sd_bus_error *error, char **job);
int manager_start_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
int manager_stop_unit(Manager *manager, const char *unit, sd_bus_error *error, char **job);
int manager_abandon_scope(Manager *manager, const char *scope, sd_bus_error *error);
int manager_kill_unit(Manager *manager, const char *unit, KillWho who, int signo, sd_bus_error *error);
int manager_unit_is_active(Manager *manager, const char *unit);
int manager_job_is_active(Manager *manager, const char *path);

/* gperf lookup function */
const struct ConfigPerfItem* logind_gperf_lookup(const char *key, unsigned length);

int manager_set_lid_switch_ignore(Manager *m, usec_t until);

int config_parse_tmpfs_size(const char *unit, const char *filename, unsigned line, const char *section, unsigned section_line, const char *lvalue, int ltype, const char *rvalue, void *data, void *userdata);

int manager_get_session_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Session **ret);
int manager_get_user_from_creds(Manager *m, sd_bus_message *message, uid_t uid, sd_bus_error *error, User **ret);
int manager_get_seat_from_creds(Manager *m, sd_bus_message *message, const char *name, sd_bus_error *error, Seat **ret);

int manager_setup_wall_message_timer(Manager *m);
bool logind_wall_tty_filter(const char *tty, void *userdata);