src/login/logind-core.c

2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek/***
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  This file is part of systemd.
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  Copyright 2011 Lennart Poettering
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  systemd is free software; you can redistribute it and/or modify it
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  under the terms of the GNU Lesser General Public License as published by
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  the Free Software Foundation; either version 2.1 of the License, or
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  (at your option) any later version.
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  systemd is distributed in the hope that it will be useful, but
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  WITHOUT ANY WARRANTY; without even the implied warranty of
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  Lesser General Public License for more details.
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  You should have received a copy of the GNU Lesser General Public License
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek  along with systemd; If not, see <http://www.gnu.org/licenses/>.
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek***/
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek#include <fcntl.h>
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek#include <pwd.h>
cf0fbc49e67b55f8d346fc94de28c90113505297Thomas Hindoe Paaboel Andersen#include <sys/ioctl.h>
cf0fbc49e67b55f8d346fc94de28c90113505297Thomas Hindoe Paaboel Andersen#include <sys/types.h>
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek#include <linux/vt.h>
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
b5efdb8af40ea759a1ea584c1bc44ecc81dd00ceLennart Poettering#include "alloc-util.h"
cc3773810855956bad92337cee8fa193584ab62eLennart Poettering#include "bus-error.h"
3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "bus-util.h"
3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "cgroup-util.h"
3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "fd-util.h"
cc3773810855956bad92337cee8fa193584ab62eLennart Poettering#include "logind.h"
3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "strv.h"
288a74cce597f81d3ba01d8a5ca7d2ba5b654b7eRonny Chevalier#include "terminal-util.h"
3ffd4af22052963e7a29431721ee204e634bea75Lennart Poettering#include "udev-util.h"
b1d4f8e154bf61b5de1b27461ef8e9c8c5e838a1Lennart Poettering#include "user-util.h"
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_add_device(Manager *m, const char *sysfs, bool master, Device **_device) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        Device *d;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(sysfs);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        d = hashmap_get(m->devices, sysfs);
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek        if (d)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                /* we support adding master-flags, but not removing them */
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                d->master = d->master || master;
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek        else {
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                d = device_new(m, sysfs, master);
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                if (!d)
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                        return -ENOMEM;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (_device)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                *_device = d;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_add_seat(Manager *m, const char *id, Seat **_seat) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        Seat *s;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(id);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        s = hashmap_get(m->seats, id);
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek        if (!s) {
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                s = seat_new(m, id);
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                if (!s)
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                        return -ENOMEM;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (_seat)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                *_seat = s;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_add_session(Manager *m, const char *id, Session **_session) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        Session *s;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(id);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        s = hashmap_get(m->sessions, id);
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek        if (!s) {
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                s = session_new(m, id);
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                if (!s)
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                        return -ENOMEM;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (_session)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                *_session = s;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_add_user(Manager *m, uid_t uid, gid_t gid, const char *name, User **_user) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        User *u;
157f50577fbee094eb8ca18f3f0af4e82af8558fDavid Herrmann        int r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(name);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
8cb4ab0058e51f1fba93683d145ef95f97c2fa86Lennart Poettering        u = hashmap_get(m->users, UID_TO_PTR(uid));
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek        if (!u) {
157f50577fbee094eb8ca18f3f0af4e82af8558fDavid Herrmann                r = user_new(&u, m, uid, gid, name);
157f50577fbee094eb8ca18f3f0af4e82af8558fDavid Herrmann                if (r < 0)
157f50577fbee094eb8ca18f3f0af4e82af8558fDavid Herrmann                        return r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (_user)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                *_user = u;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_add_user_by_name(Manager *m, const char *name, User **_user) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        uid_t uid;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        gid_t gid;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        int r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(name);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        r = get_user_creds(&name, &uid, &gid, NULL, NULL);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (r < 0)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return manager_add_user(m, uid, gid, name, _user);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_add_user_by_uid(Manager *m, uid_t uid, User **_user) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        struct passwd *p;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        errno = 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        p = getpwuid(uid);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (!p)
f5e5c28f42a2f6d006785ec8b5e98c11a71bb039Zbigniew Jędrzejewski-Szmek                return errno > 0 ? -errno : -ENOENT;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return manager_add_user(m, uid, p->pw_gid, p->pw_name, _user);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_add_inhibitor(Manager *m, const char* id, Inhibitor **_inhibitor) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        Inhibitor *i;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(id);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        i = hashmap_get(m->inhibitors, id);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (i) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (_inhibitor)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        *_inhibitor = i;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        i = inhibitor_new(m, id);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (!i)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return -ENOMEM;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (_inhibitor)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                *_inhibitor = i;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_add_button(Manager *m, const char *name, Button **_button) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        Button *b;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(name);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        b = hashmap_get(m->buttons, name);
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek        if (!b) {
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                b = button_new(m, name);
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                if (!b)
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek                        return -ENOMEM;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (_button)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                *_button = b;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_process_seat_device(Manager *m, struct udev_device *d) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        Device *device;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        int r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (streq_ptr(udev_device_get_action(d), "remove")) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                device = hashmap_get(m->devices, udev_device_get_syspath(d));
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (!device)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                seat_add_to_gc_queue(device->seat);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                device_free(device);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        } else {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                const char *sn;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                Seat *seat = NULL;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                bool master;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                sn = udev_device_get_property_value(d, "ID_SEAT");
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (isempty(sn))
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        sn = "seat0";
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (!seat_name_is_valid(sn)) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        log_warning("Device with invalid seat name %s found, ignoring.", sn);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                seat = hashmap_get(m->seats, sn);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                master = udev_device_has_tag(d, "master-of-seat");
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                /* Ignore non-master devices for unknown seats */
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                if (!master && !seat)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                r = manager_add_device(m, udev_device_get_syspath(d), master, &device);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (r < 0)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        return r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (!seat) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        r = manager_add_seat(m, sn, &seat);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        if (r < 0) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                                if (!device->seat)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                                        device_free(device);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                                return r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                device_attach(device, seat);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                seat_start(seat);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_process_button_device(Manager *m, struct udev_device *d) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        Button *b;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        int r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (streq_ptr(udev_device_get_action(d), "remove")) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                b = hashmap_get(m->buttons, udev_device_get_sysname(d));
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (!b)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                button_free(b);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        } else {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                const char *sn;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                r = manager_add_button(m, udev_device_get_sysname(d), &b);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (r < 0)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        return r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                sn = udev_device_get_property_value(d, "ID_SEAT");
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (isempty(sn))
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        sn = "seat0";
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                button_set_seat(b, sn);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                button_open(b);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_get_session_by_pid(Manager *m, pid_t pid, Session **session) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        _cleanup_free_ char *unit = NULL;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        Session *s;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        int r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (pid < 1)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return -EINVAL;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        r = cg_pid_get_unit(pid, &unit);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (r < 0)
d3e84ddb885e9d5f0ae9930eb905910e3a81f157Lennart Poettering                return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        s = hashmap_get(m->session_units, unit);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (!s)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
b80120c4cba7d134b5437a58437a23fdf7ab2084David Herrmann        if (session)
b80120c4cba7d134b5437a58437a23fdf7ab2084David Herrmann                *session = s;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return 1;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_get_user_by_pid(Manager *m, pid_t pid, User **user) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        _cleanup_free_ char *unit = NULL;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        User *u;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        int r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(user);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (pid < 1)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return -EINVAL;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        r = cg_pid_get_slice(pid, &unit);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (r < 0)
d3e84ddb885e9d5f0ae9930eb905910e3a81f157Lennart Poettering                return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        u = hashmap_get(m->user_units, unit);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (!u)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        *user = u;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return 1;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekint manager_get_idle_hint(Manager *m, dual_timestamp *t) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        Session *s;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        bool idle_hint;
5cb14b3742038b28551b161635a0cba3559404b2Lennart Poettering        dual_timestamp ts = DUAL_TIMESTAMP_NULL;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        Iterator i;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
85a428c69465b047731b6abb5005f01824f1444eLennart Poettering        idle_hint = !manager_is_inhibited(m, INHIBIT_IDLE, INHIBIT_BLOCK, t, false, false, 0, NULL);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        HASHMAP_FOREACH(s, m->sessions, i) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                dual_timestamp k;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                int ih;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                ih = session_get_idle_hint(s, &k);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (ih < 0)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        return ih;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (!ih) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        if (!idle_hint) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                                if (k.monotonic < ts.monotonic)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                                        ts = k;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        } else {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                                idle_hint = false;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                                ts = k;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                } else if (idle_hint) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        if (k.monotonic > ts.monotonic)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                                ts = k;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (t)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                *t = ts;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return idle_hint;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmekbool manager_shall_kill(Manager *m, const char *user) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(user);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (!m->kill_user_processes)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return false;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (strv_contains(m->kill_exclude_users, user))
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return false;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (strv_isempty(m->kill_only_users))
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return true;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return strv_contains(m->kill_only_users, user);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
92bd5ff3a062c3f9475b9d9d39b9335bfeb7705eDavid Herrmannstatic int vt_is_busy(unsigned int vtnr) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        struct vt_stat vt_stat;
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek        int r = 0;
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek        _cleanup_close_ int fd;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(vtnr >= 1);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        /* We explicitly open /dev/tty1 here instead of /dev/tty0. If
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek         * we'd open the latter we'd open the foreground tty which
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek         * hence would be unconditionally busy. By opening /dev/tty1
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek         * we avoid this. Since tty1 is special and needs to be an
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek         * explicitly loaded getty or DM this is safe. */
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        fd = open_terminal("/dev/tty1", O_RDWR|O_NOCTTY|O_CLOEXEC);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (fd < 0)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return -errno;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        if (ioctl(fd, VT_GETSTATE, &vt_stat) < 0)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                r = -errno;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        else
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                r = !!(vt_stat.v_state & (1 << vtnr));
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
92bd5ff3a062c3f9475b9d9d39b9335bfeb7705eDavid Herrmannint manager_spawn_autovt(Manager *m, unsigned int vtnr) {
4afd3348c7506dd1d36305b7bcb9feb8952b9d6bLennart Poettering        _cleanup_(sd_bus_error_free) sd_bus_error error = SD_BUS_ERROR_NULL;
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek        char name[sizeof("autovt@tty.service") + DECIMAL_STR_MAX(unsigned int)];
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        int r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(m);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        assert(vtnr >= 1);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
92bd5ff3a062c3f9475b9d9d39b9335bfeb7705eDavid Herrmann        if (vtnr > m->n_autovts &&
92bd5ff3a062c3f9475b9d9d39b9335bfeb7705eDavid Herrmann            vtnr != m->reserve_vt)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                return 0;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
92bd5ff3a062c3f9475b9d9d39b9335bfeb7705eDavid Herrmann        if (vtnr != m->reserve_vt) {
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                /* If this is the reserved TTY, we'll start the getty
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                 * on it in any case, but otherwise only if it is not
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                 * busy. */
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                r = vt_is_busy(vtnr);
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                if (r < 0)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        return r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                else if (r > 0)
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        return -EBUSY;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        }
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
61376f96a98291b5421bfd79a15ca4db50c2a3feZbigniew Jędrzejewski-Szmek        snprintf(name, sizeof(name), "autovt@tty%u.service", vtnr);
cc3773810855956bad92337cee8fa193584ab62eLennart Poettering        r = sd_bus_call_method(
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        m->bus,
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        "org.freedesktop.systemd1",
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        "/org/freedesktop/systemd1",
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        "org.freedesktop.systemd1.Manager",
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        "StartUnit",
cc3773810855956bad92337cee8fa193584ab62eLennart Poettering                        &error,
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek                        NULL,
cc3773810855956bad92337cee8fa193584ab62eLennart Poettering                        "ss", name, "fail");
cc3773810855956bad92337cee8fa193584ab62eLennart Poettering        if (r < 0)
cc3773810855956bad92337cee8fa193584ab62eLennart Poettering                log_error("Failed to start %s: %s", name, bus_error_message(&error, r));
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek        return r;
2b3ab29de466ae6bd7c3243a5a48c7291cc2af0aZbigniew Jędrzejewski-Szmek}
2d62c530d2b4c2730abff715b7342f1402114513Lennart Poettering
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poetteringstatic bool manager_is_docked(Manager *m) {
2d62c530d2b4c2730abff715b7342f1402114513Lennart Poettering        Iterator i;
2d62c530d2b4c2730abff715b7342f1402114513Lennart Poettering        Button *b;
2d62c530d2b4c2730abff715b7342f1402114513Lennart Poettering
2d62c530d2b4c2730abff715b7342f1402114513Lennart Poettering        HASHMAP_FOREACH(b, m->buttons, i)
2d62c530d2b4c2730abff715b7342f1402114513Lennart Poettering                if (b->docked)
2d62c530d2b4c2730abff715b7342f1402114513Lennart Poettering                        return true;
2d62c530d2b4c2730abff715b7342f1402114513Lennart Poettering
2d62c530d2b4c2730abff715b7342f1402114513Lennart Poettering        return false;
2d62c530d2b4c2730abff715b7342f1402114513Lennart Poettering}
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poetteringstatic int manager_count_external_displays(Manager *m) {
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        _cleanup_udev_enumerate_unref_ struct udev_enumerate *e = NULL;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        struct udev_list_entry *item = NULL, *first = NULL;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        int r;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        int n = 0;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        e = udev_enumerate_new(m->udev);
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        if (!e)
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                return -ENOMEM;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        r = udev_enumerate_add_match_subsystem(e, "drm");
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        if (r < 0)
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                return r;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        r = udev_enumerate_scan_devices(e);
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        if (r < 0)
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                return r;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        first = udev_enumerate_get_list_entry(e);
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        udev_list_entry_foreach(item, first) {
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                _cleanup_udev_device_unref_ struct udev_device *d = NULL;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                struct udev_device *p;
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                const char *status, *enabled, *dash, *nn, *i;
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                bool external = false;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                d = udev_device_new_from_syspath(m->udev, udev_list_entry_get_name(item));
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                if (!d)
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                        return -ENOMEM;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                p = udev_device_get_parent(d);
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                if (!p)
94036de887ad5b0dc805abe38b5c1c58b57d9465Mantas Mikulėnas                        continue;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                /* If the parent shares the same subsystem as the
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                 * device we are looking at then it is a connector,
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                 * which is what we are interested in. */
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                if (!streq_ptr(udev_device_get_subsystem(p), "drm"))
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                        continue;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                nn = udev_device_get_sysname(d);
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                if (!nn)
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                        continue;
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                /* Ignore internal displays: the type is encoded in
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                 * the sysfs name, as the second dash seperated item
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                 * (the first is the card name, the last the connector
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                 * number). We implement a whitelist of external
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                 * displays here, rather than a whitelist, to ensure
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                 * we don't block suspends too eagerly. */
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                dash = strchr(nn, '-');
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                if (!dash)
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                        continue;
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                dash++;
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                FOREACH_STRING(i, "VGA-", "DVI-I-", "DVI-D-", "DVI-A-"
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                               "Composite-", "SVIDEO-", "Component-",
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                               "DIN-", "DP-", "HDMI-A-", "HDMI-B-", "TV-") {
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                        if (startswith(dash, i)) {
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                                external = true;
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                                break;
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                        }
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                }
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                if (!external)
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                        continue;
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                /* Ignore ports that are not enabled */
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                enabled = udev_device_get_sysattr_value(d, "enabled");
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                if (!enabled)
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                        continue;
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                if (!streq_ptr(enabled, "enabled"))
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                        continue;
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                /* We count any connector which is not explicitly
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                 * "disconnected" as connected. */
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                status = udev_device_get_sysattr_value(d, "status");
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                if (!streq_ptr(status, "disconnected"))
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering                        n++;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        }
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering        return n;
6a79c58603ea816a1b4fa1520397b4e138bc1ca0Lennart Poettering}
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poetteringbool manager_is_docked_or_external_displays(Manager *m) {
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer        int n;
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer        /* If we are docked don't react to lid closing */
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer        if (manager_is_docked(m)) {
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer                log_debug("System is docked.");
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer                return true;
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer        }
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer        /* If we have more than one display connected,
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer         * assume that we are docked. */
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering        n = manager_count_external_displays(m);
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer        if (n < 0)
da927ba997d68401563b927f92e6e40e021a8e5cMichal Schmidt                log_warning_errno(n, "Display counting failed: %m");
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering        else if (n >= 1) {
602a41c22ac2df33b4b5e5083719c1cfaf58acf9Lennart Poettering                log_debug("External (%i) displays connected.", n);
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer                return true;
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer        }
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer        return false;
3c56cab44150ad47323970cfadfb0257c6305a74Ben Wolsieffer}