src/login/logind-button.c

	logind-button.c revision 8e7fd6ade44ce5dde0867ba748c7978ed1206865
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering/*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering/***
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  This file is part of systemd.
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  Copyright 2012 Lennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  systemd is free software; you can redistribute it and/or modify it
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  under the terms of the GNU Lesser General Public License as published by
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  the Free Software Foundation; either version 2.1 of the License, or
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  (at your option) any later version.
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  systemd is distributed in the hope that it will be useful, but
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  WITHOUT ANY WARRANTY; without even the implied warranty of
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  Lesser General Public License for more details.
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  You should have received a copy of the GNU Lesser General Public License
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering  along with systemd; If not, see <http://www.gnu.org/licenses/>.
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering***/
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include <assert.h>
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include <string.h>
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include <errno.h>
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include <fcntl.h>
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include <sys/ioctl.h>
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include <unistd.h>
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include <linux/input.h>
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include <sys/epoll.h>
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include "conf-parser.h"
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include "util.h"
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include "logind-button.h"
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include "special.h"
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering#include "dbus-common.h"
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart PoetteringButton* button_new(Manager *m, const char *name) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        Button *b;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        assert(m);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        assert(name);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        b = new0(Button, 1);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (!b)
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                return NULL;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        b->name = strdup(name);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (!b->name) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                free(b);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                return NULL;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (hashmap_put(m->buttons, b->name, b) < 0) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                free(b->name);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                free(b);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                return NULL;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        b->manager = m;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        b->fd = -1;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        return b;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering}
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poetteringvoid button_free(Button *b) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        assert(b);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        hashmap_remove(b->manager->buttons, b->name);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (b->fd >= 0) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                hashmap_remove(b->manager->button_fds, INT_TO_PTR(b->fd + 1));
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                assert_se(epoll_ctl(b->manager->epoll_fd, EPOLL_CTL_DEL, b->fd, NULL) == 0);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                close_nointr_nofail(b->fd);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        free(b->name);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        free(b->seat);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        free(b);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering}
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poetteringint button_set_seat(Button *b, const char *sn) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        char *s;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        assert(b);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        assert(sn);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        s = strdup(sn);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (!s)
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                return -ENOMEM;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        free(b->seat);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        b->seat = s;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        return 0;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering}
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poetteringint button_open(Button *b) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        char name[256], *p;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        struct epoll_event ev;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        int r;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        assert(b);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (b->fd >= 0) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                close_nointr_nofail(b->fd);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                b->fd = -1;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        p = strappend("/dev/input/", b->name);
0d0f0c50d3a1d90f03972a6abb82e6413daaa583Shawn Landden        if (!p)
0d0f0c50d3a1d90f03972a6abb82e6413daaa583Shawn Landden                return log_oom();
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        b->fd = open(p, O_RDWR|O_CLOEXEC|O_NOCTTY|O_NONBLOCK);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        free(p);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (b->fd < 0) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                log_warning("Failed to open %s: %m", b->name);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                return -errno;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (ioctl(b->fd, EVIOCGNAME(sizeof(name)), name) < 0) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                log_error("Failed to get input name: %m");
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                r = -errno;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                goto fail;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        zero(ev);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        ev.events = EPOLLIN;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        ev.data.u32 = FD_OTHER_BASE + b->fd;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (epoll_ctl(b->manager->epoll_fd, EPOLL_CTL_ADD, b->fd, &ev) < 0) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                log_error("Failed to add to epoll: %m");
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                r = -errno;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                goto fail;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        r = hashmap_put(b->manager->button_fds, INT_TO_PTR(b->fd + 1), b);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (r < 0) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                log_error("Failed to add to hash map: %s", strerror(-r));
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                assert_se(epoll_ctl(b->manager->epoll_fd, EPOLL_CTL_DEL, b->fd, NULL) == 0);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                goto fail;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        log_info("Watching system buttons on /dev/input/%s (%s)", b->name, name);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        return 0;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poetteringfail:
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        close_nointr_nofail(b->fd);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        b->fd = -1;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        return r;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering}
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poetteringstatic int button_handle(
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                Button *b,
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                InhibitWhat inhibit_key,
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                HandleButton handle,
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                bool ignore_inhibited,
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                bool is_edge) {
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        static const char * const message_table[_HANDLE_BUTTON_MAX] = {
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_POWEROFF] = "Powering Off...",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_REBOOT] = "Rebooting...",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_HALT] = "Halting...",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_KEXEC] = "Rebooting via kexec...",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_SUSPEND] = "Suspending...",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_HIBERNATE] = "Hibernating..."
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        };
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        static const char * const target_table[_HANDLE_BUTTON_MAX] = {
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_POWEROFF] = "poweroff.target",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_REBOOT] = "reboot.target",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_HALT] = "halt.target",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_KEXEC] = "kexec.target",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_SUSPEND] = "suspend.target",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                [HANDLE_HIBERNATE] = "hibernate.target"
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        };
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        DBusError error;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        int r;
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        InhibitWhat inhibit_operation;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        assert(b);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        /* If the key handling is turned off, don't do anything */
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        if (handle == HANDLE_IGNORE) {
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                log_debug("Refusing key handling, as it is turned off.");
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                return 0;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        /* If the key handling is inhibited, don't do anything */
409133be63387fc04d927e8aecd2f6ba03d2f143Lennart Poettering        if (manager_is_inhibited(b->manager, inhibit_key, INHIBIT_BLOCK, NULL, true, false, 0)) {
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                log_debug("Refusing key handling, %s is inhibited.", inhibit_what_to_string(inhibit_key));
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                return 0;
6de0e0e500d9d534c6e4baab242fc2a146f021faLennart Poettering        }
6de0e0e500d9d534c6e4baab242fc2a146f021faLennart Poettering
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        inhibit_operation = handle == HANDLE_SUSPEND || handle == HANDLE_HIBERNATE ? INHIBIT_SLEEP : INHIBIT_SHUTDOWN;
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        /* If the actual operation is inhibited, warn and fail */
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        if (!ignore_inhibited &&
409133be63387fc04d927e8aecd2f6ba03d2f143Lennart Poettering            manager_is_inhibited(b->manager, inhibit_operation, INHIBIT_BLOCK, NULL, false, false, 0)) {
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                /* If this is just a recheck of the lid switch then don't warn about anything */
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                if (!is_edge) {
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                        log_debug("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                        return 0;
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                }
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                log_error("Refusing operation, %s is inhibited.", inhibit_what_to_string(inhibit_operation));
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                warn_melody();
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                return -EPERM;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        log_info("%s", message_table[handle]);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering        /* We are executing the operation, so make sure we don't
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering         * execute another one until the lid is opened/closed again */
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering        b->lid_close_queued = false;
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        dbus_error_init(&error);
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        r = bus_manager_shutdown_or_sleep_now_or_later(b->manager, target_table[handle], inhibit_operation, &error);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (r < 0) {
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering                log_error("Failed to execute operation: %s", bus_error_message(&error));
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                dbus_error_free(&error);
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                return r;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering        return 1;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering}
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poetteringint button_process(Button *b) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        struct input_event ev;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        ssize_t l;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        assert(b);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        l = read(b->fd, &ev, sizeof(ev));
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (l < 0)
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                return errno != EAGAIN ? -errno : 0;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if ((size_t) l < sizeof(ev))
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                return -EIO;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        if (ev.type == EV_KEY && ev.value > 0) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                switch (ev.code) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                case KEY_POWER:
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                case KEY_POWER2:
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                        log_info("Power key pressed.");
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                        return button_handle(b, INHIBIT_HANDLE_POWER_KEY, b->manager->handle_power_key, b->manager->power_key_ignore_inhibited, true);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering                /* The kernel is a bit confused here:
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering                   KEY_SLEEP   = suspend-to-ram, which everybody else calls "suspend"
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering                   KEY_SUSPEND = suspend-to-disk, which everybody else calls "hibernate"
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering                */
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                case KEY_SLEEP:
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering                        log_info("Suspend key pressed.");
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering                        return button_handle(b, INHIBIT_HANDLE_SUSPEND_KEY, b->manager->handle_suspend_key, b->manager->suspend_key_ignore_inhibited, true);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering                case KEY_SUSPEND:
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering                        log_info("Hibernate key pressed.");
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering                        return button_handle(b, INHIBIT_HANDLE_HIBERNATE_KEY, b->manager->handle_hibernate_key, b->manager->hibernate_key_ignore_inhibited, true);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                }
8e7fd6ade44ce5dde0867ba748c7978ed1206865Lennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        } else if (ev.type == EV_SW && ev.value > 0) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                switch (ev.code) {
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                case SW_LID:
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                        log_info("Lid closed.");
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                        b->lid_close_queued = true;
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                        return button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, true);
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                }
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering        } else if (ev.type == EV_SW && ev.value == 0) {
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                switch (ev.code) {
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                case SW_LID:
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                        log_info("Lid opened.");
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                        b->lid_close_queued = false;
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                        break;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering                }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        }
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering        return 0;
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering}
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poetteringint button_recheck(Button *b) {
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering        assert(b);
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering        if (!b->lid_close_queued)
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering                return 0;
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering        return button_handle(b, INHIBIT_HANDLE_LID_SWITCH, b->manager->handle_lid_switch, b->manager->lid_switch_ignore_inhibited, false);
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering}
65b5116220a8ebf8a260716152409aa05377aaccLennart Poettering
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poetteringstatic const char* const handle_button_table[_HANDLE_BUTTON_MAX] = {
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        [HANDLE_IGNORE] = "ignore",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        [HANDLE_POWEROFF] = "poweroff",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        [HANDLE_REBOOT] = "reboot",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        [HANDLE_HALT] = "halt",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        [HANDLE_KEXEC] = "kexec",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        [HANDLE_SUSPEND] = "suspend",
beaafb2ea6be591882aef21fe19b88e3b2461087Lennart Poettering        [HANDLE_HIBERNATE] = "hibernate"
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart Poettering};
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart PoetteringDEFINE_STRING_TABLE_LOOKUP(handle_button, HandleButton);
e9d21f240704f87c6bb5f7fca1c5e6d0f31c84cdLennart PoetteringDEFINE_CONFIG_PARSE_ENUM(config_parse_handle_button, handle_button, HandleButton, "Failed to parse handle button setting");