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1 | /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/ |
2 | ||
3 | #pragma once | |
4 | ||
5 | /*** | |
6 | This file is part of systemd. | |
7 | ||
8 | Copyright 2011 Lennart Poettering | |
9 | ||
10 | systemd is free software; you can redistribute it and/or modify it | |
11 | under the terms of the GNU Lesser General Public License as published by | |
12 | the Free Software Foundation; either version 2.1 of the License, or | |
13 | (at your option) any later version. | |
14 | ||
15 | systemd is distributed in the hope that it will be useful, but | |
16 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
18 | Lesser General Public License for more details. | |
19 | ||
20 | You should have received a copy of the GNU Lesser General Public License | |
21 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
22 | ***/ | |
23 | ||
24 | typedef struct Session Session; | |
14228c0d | 25 | typedef enum KillWho KillWho; |
663996b3 MS |
26 | |
27 | #include "list.h" | |
28 | #include "util.h" | |
29 | #include "logind.h" | |
30 | #include "logind-seat.h" | |
14228c0d | 31 | #include "logind-session-device.h" |
663996b3 | 32 | #include "logind-user.h" |
14228c0d | 33 | #include "login-shared.h" |
663996b3 MS |
34 | |
35 | typedef enum SessionState { | |
14228c0d | 36 | SESSION_OPENING, /* Session scope is being created */ |
663996b3 MS |
37 | SESSION_ONLINE, /* Logged in */ |
38 | SESSION_ACTIVE, /* Logged in and in the fg */ | |
14228c0d | 39 | SESSION_CLOSING, /* Logged out, but scope is still there */ |
663996b3 MS |
40 | _SESSION_STATE_MAX, |
41 | _SESSION_STATE_INVALID = -1 | |
42 | } SessionState; | |
43 | ||
44 | typedef enum SessionClass { | |
45 | SESSION_USER, | |
46 | SESSION_GREETER, | |
47 | SESSION_LOCK_SCREEN, | |
48 | SESSION_BACKGROUND, | |
49 | _SESSION_CLASS_MAX, | |
50 | _SESSION_CLASS_INVALID = -1 | |
51 | } SessionClass; | |
52 | ||
53 | typedef enum SessionType { | |
54 | SESSION_UNSPECIFIED, | |
55 | SESSION_TTY, | |
56 | SESSION_X11, | |
57 | _SESSION_TYPE_MAX, | |
58 | _SESSION_TYPE_INVALID = -1 | |
59 | } SessionType; | |
60 | ||
14228c0d | 61 | enum KillWho { |
663996b3 MS |
62 | KILL_LEADER, |
63 | KILL_ALL, | |
64 | _KILL_WHO_MAX, | |
65 | _KILL_WHO_INVALID = -1 | |
14228c0d | 66 | }; |
663996b3 MS |
67 | |
68 | struct Session { | |
69 | Manager *manager; | |
70 | ||
71 | char *id; | |
72 | SessionType type; | |
73 | SessionClass class; | |
74 | ||
75 | char *state_file; | |
76 | ||
77 | User *user; | |
78 | ||
79 | dual_timestamp timestamp; | |
80 | ||
81 | char *tty; | |
82 | char *display; | |
83 | ||
84 | bool remote; | |
85 | char *remote_user; | |
86 | char *remote_host; | |
663996b3 MS |
87 | char *service; |
88 | ||
14228c0d MB |
89 | char *scope; |
90 | char *scope_job; | |
91 | ||
663996b3 MS |
92 | int vtnr; |
93 | Seat *seat; | |
94 | ||
95 | pid_t leader; | |
96 | uint32_t audit_id; | |
97 | ||
98 | int fifo_fd; | |
99 | char *fifo_path; | |
100 | ||
663996b3 MS |
101 | bool idle_hint; |
102 | dual_timestamp idle_hint_timestamp; | |
103 | ||
663996b3 MS |
104 | bool in_gc_queue:1; |
105 | bool started:1; | |
14228c0d MB |
106 | bool closing:1; |
107 | ||
108 | DBusMessage *create_message; | |
109 | ||
110 | char *controller; | |
111 | Hashmap *devices; | |
663996b3 MS |
112 | |
113 | LIST_FIELDS(Session, sessions_by_user); | |
114 | LIST_FIELDS(Session, sessions_by_seat); | |
115 | ||
116 | LIST_FIELDS(Session, gc_queue); | |
117 | }; | |
118 | ||
14228c0d | 119 | Session *session_new(Manager *m, const char *id); |
663996b3 | 120 | void session_free(Session *s); |
14228c0d | 121 | void session_set_user(Session *s, User *u); |
663996b3 MS |
122 | int session_check_gc(Session *s, bool drop_not_started); |
123 | void session_add_to_gc_queue(Session *s); | |
124 | int session_activate(Session *s); | |
125 | bool session_is_active(Session *s); | |
126 | int session_get_idle_hint(Session *s, dual_timestamp *t); | |
127 | void session_set_idle_hint(Session *s, bool b); | |
128 | int session_create_fifo(Session *s); | |
129 | void session_remove_fifo(Session *s); | |
130 | int session_start(Session *s); | |
131 | int session_stop(Session *s); | |
14228c0d | 132 | int session_finalize(Session *s); |
663996b3 MS |
133 | int session_save(Session *s); |
134 | int session_load(Session *s); | |
135 | int session_kill(Session *s, KillWho who, int signo); | |
136 | ||
137 | char *session_bus_path(Session *s); | |
138 | ||
139 | SessionState session_get_state(Session *u); | |
140 | ||
141 | extern const DBusObjectPathVTable bus_session_vtable; | |
142 | ||
143 | int session_send_signal(Session *s, bool new_session); | |
144 | int session_send_changed(Session *s, const char *properties); | |
145 | int session_send_lock(Session *s, bool lock); | |
146 | int session_send_lock_all(Manager *m, bool lock); | |
147 | ||
14228c0d MB |
148 | int session_send_create_reply(Session *s, DBusError *error); |
149 | ||
663996b3 MS |
150 | const char* session_state_to_string(SessionState t) _const_; |
151 | SessionState session_state_from_string(const char *s) _pure_; | |
152 | ||
153 | const char* session_type_to_string(SessionType t) _const_; | |
154 | SessionType session_type_from_string(const char *s) _pure_; | |
155 | ||
156 | const char* session_class_to_string(SessionClass t) _const_; | |
157 | SessionClass session_class_from_string(const char *s) _pure_; | |
158 | ||
159 | const char *kill_who_to_string(KillWho k) _const_; | |
160 | KillWho kill_who_from_string(const char *s) _pure_; | |
14228c0d MB |
161 | |
162 | bool session_is_controller(Session *s, const char *sender); | |
163 | int session_set_controller(Session *s, const char *sender, bool force); | |
164 | void session_drop_controller(Session *s); |