From b750101eb236130cf056c675997decbac904cc49 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 17:35:18 +0200 Subject: Adding upstream version 252.22. Signed-off-by: Daniel Baumann --- src/login/logind-session.h | 181 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 181 insertions(+) create mode 100644 src/login/logind-session.h (limited to 'src/login/logind-session.h') diff --git a/src/login/logind-session.h b/src/login/logind-session.h new file mode 100644 index 0000000..4c28607 --- /dev/null +++ b/src/login/logind-session.h @@ -0,0 +1,181 @@ +/* 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 = -EINVAL, +} SessionState; + +typedef enum SessionClass { + SESSION_USER, + SESSION_GREETER, + SESSION_LOCK_SCREEN, + SESSION_BACKGROUND, + _SESSION_CLASS_MAX, + _SESSION_CLASS_INVALID = -EINVAL, +} SessionClass; + +typedef enum SessionType { + SESSION_UNSPECIFIED, + SESSION_TTY, + SESSION_X11, + SESSION_WAYLAND, + SESSION_MIR, + SESSION_WEB, + _SESSION_TYPE_MAX, + _SESSION_TYPE_INVALID = -EINVAL, +} 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 = -EINVAL, +}; + +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 = -EINVAL, +} 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; + + sd_event_source *stop_on_idle_event_source; + + 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_set_display(Session *s, const char *display); +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"); +} -- cgit v1.2.3