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/* SPDX-License-Identifier: LGPL-2.1-or-later */
#pragma once
typedef struct Session Session;
typedef enum KillWho KillWho;
#include "list.h"
#include "login-util.h"
#include "logind-user.h"
#include "string-util.h"
typedef enum SessionState {
SESSION_OPENING, /* Session scope is being created */
SESSION_ONLINE, /* Logged in */
SESSION_ACTIVE, /* Logged in and in the fg */
SESSION_CLOSING, /* Logged out, but scope is still there */
_SESSION_STATE_MAX,
_SESSION_STATE_INVALID = -1
} SessionState;
typedef enum SessionClass {
SESSION_USER,
SESSION_GREETER,
SESSION_LOCK_SCREEN,
SESSION_BACKGROUND,
_SESSION_CLASS_MAX,
_SESSION_CLASS_INVALID = -1
} SessionClass;
typedef enum SessionType {
SESSION_UNSPECIFIED,
SESSION_TTY,
SESSION_X11,
SESSION_WAYLAND,
SESSION_MIR,
SESSION_WEB,
_SESSION_TYPE_MAX,
_SESSION_TYPE_INVALID = -1
} SessionType;
#define SESSION_TYPE_IS_GRAPHICAL(type) IN_SET(type, SESSION_X11, SESSION_WAYLAND, SESSION_MIR)
enum KillWho {
KILL_LEADER,
KILL_ALL,
_KILL_WHO_MAX,
_KILL_WHO_INVALID = -1
};
typedef enum TTYValidity {
TTY_FROM_PAM,
TTY_FROM_UTMP,
TTY_UTMP_INCONSISTENT, /* may happen on ssh sessions with multiplexed TTYs */
_TTY_VALIDITY_MAX,
_TTY_VALIDITY_INVALID = -1,
} TTYValidity;
struct Session {
Manager *manager;
const char *id;
unsigned position;
SessionType type;
SessionType original_type;
SessionClass class;
char *state_file;
User *user;
dual_timestamp timestamp;
char *display;
char *tty;
TTYValidity tty_validity;
bool remote;
char *remote_user;
char *remote_host;
char *service;
char *desktop;
char *scope;
char *scope_job;
Seat *seat;
unsigned vtnr;
int vtfd;
pid_t leader;
uint32_t audit_id;
int fifo_fd;
char *fifo_path;
sd_event_source *fifo_event_source;
bool idle_hint;
dual_timestamp idle_hint_timestamp;
bool locked_hint;
bool in_gc_queue:1;
bool started:1;
bool stopping:1;
bool was_active:1;
sd_bus_message *create_message;
/* Set up when a client requested to release the session via the bus */
sd_event_source *timer_event_source;
char *controller;
Hashmap *devices;
sd_bus_track *track;
LIST_FIELDS(Session, sessions_by_user);
LIST_FIELDS(Session, sessions_by_seat);
LIST_FIELDS(Session, gc_queue);
};
int session_new(Session **ret, Manager *m, const char *id);
Session* session_free(Session *s);
DEFINE_TRIVIAL_CLEANUP_FUNC(Session *, session_free);
void session_set_user(Session *s, User *u);
int session_set_leader(Session *s, pid_t pid);
bool session_may_gc(Session *s, bool drop_not_started);
void session_add_to_gc_queue(Session *s);
int session_activate(Session *s);
bool session_is_active(Session *s);
int session_get_idle_hint(Session *s, dual_timestamp *t);
int session_set_idle_hint(Session *s, bool b);
int session_get_locked_hint(Session *s);
void session_set_locked_hint(Session *s, bool b);
void session_set_type(Session *s, SessionType t);
int session_create_fifo(Session *s);
int session_start(Session *s, sd_bus_message *properties, sd_bus_error *error);
int session_stop(Session *s, bool force);
int session_finalize(Session *s);
int session_release(Session *s);
int session_save(Session *s);
int session_load(Session *s);
int session_kill(Session *s, KillWho who, int signo);
SessionState session_get_state(Session *u);
const char* session_state_to_string(SessionState t) _const_;
SessionState session_state_from_string(const char *s) _pure_;
const char* session_type_to_string(SessionType t) _const_;
SessionType session_type_from_string(const char *s) _pure_;
const char* session_class_to_string(SessionClass t) _const_;
SessionClass session_class_from_string(const char *s) _pure_;
const char *kill_who_to_string(KillWho k) _const_;
KillWho kill_who_from_string(const char *s) _pure_;
const char* tty_validity_to_string(TTYValidity t) _const_;
TTYValidity tty_validity_from_string(const char *s) _pure_;
void session_leave_vt(Session *s);
bool session_is_controller(Session *s, const char *sender);
int session_set_controller(Session *s, const char *sender, bool force, bool prepare);
void session_drop_controller(Session *s);
static inline bool SESSION_IS_SELF(const char *name) {
return isempty(name) || streq(name, "self");
}
static inline bool SESSION_IS_AUTO(const char *name) {
return streq_ptr(name, "auto");
}
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