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870 lines
20 KiB
870 lines
20 KiB
/*
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* Copyright © 2013 David Herrmann
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#include "config.h"
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#include <errno.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <stdint.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <systemd/sd-login.h>
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#include <unistd.h>
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#include <libweston/libweston.h>
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#include "backend.h"
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#include "dbus.h"
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#include "launcher-impl.h"
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#define DRM_MAJOR 226
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/* major()/minor() */
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#ifdef MAJOR_IN_MKDEV
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#include <sys/mkdev.h>
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#endif
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#ifdef MAJOR_IN_SYSMACROS
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#include <sys/sysmacros.h>
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#endif
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struct launcher_logind {
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struct weston_launcher base;
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struct weston_compositor *compositor;
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bool sync_drm;
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char *seat;
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char *sid;
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unsigned int vtnr;
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int vt;
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int kb_mode;
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DBusConnection *dbus;
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struct wl_event_source *dbus_ctx;
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char *spath;
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DBusPendingCall *pending_active;
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};
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static int
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launcher_logind_take_device(struct launcher_logind *wl, uint32_t major,
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uint32_t minor, bool *paused_out)
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{
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DBusMessage *m, *reply;
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bool b;
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int r, fd;
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dbus_bool_t paused;
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m = dbus_message_new_method_call("org.freedesktop.login1",
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wl->spath,
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"org.freedesktop.login1.Session",
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"TakeDevice");
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if (!m)
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return -ENOMEM;
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b = dbus_message_append_args(m,
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DBUS_TYPE_UINT32, &major,
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DBUS_TYPE_UINT32, &minor,
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DBUS_TYPE_INVALID);
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if (!b) {
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r = -ENOMEM;
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goto err_unref;
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}
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reply = dbus_connection_send_with_reply_and_block(wl->dbus, m,
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-1, NULL);
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if (!reply) {
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weston_log("logind: TakeDevice on %d:%d failed.\n", major, minor);
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r = -ENODEV;
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goto err_unref;
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}
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b = dbus_message_get_args(reply, NULL,
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DBUS_TYPE_UNIX_FD, &fd,
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DBUS_TYPE_BOOLEAN, &paused,
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DBUS_TYPE_INVALID);
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if (!b) {
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weston_log("logind: error parsing reply to TakeDevice.\n");
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r = -ENODEV;
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goto err_reply;
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}
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r = fd;
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if (paused_out)
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*paused_out = paused;
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err_reply:
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dbus_message_unref(reply);
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err_unref:
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dbus_message_unref(m);
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return r;
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}
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static void
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launcher_logind_release_device(struct launcher_logind *wl, uint32_t major,
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uint32_t minor)
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{
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DBusMessage *m;
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bool b;
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m = dbus_message_new_method_call("org.freedesktop.login1",
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wl->spath,
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"org.freedesktop.login1.Session",
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"ReleaseDevice");
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if (m) {
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b = dbus_message_append_args(m,
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DBUS_TYPE_UINT32, &major,
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DBUS_TYPE_UINT32, &minor,
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DBUS_TYPE_INVALID);
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if (b)
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dbus_connection_send(wl->dbus, m, NULL);
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dbus_message_unref(m);
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}
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}
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static void
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launcher_logind_pause_device_complete(struct launcher_logind *wl, uint32_t major,
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uint32_t minor)
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{
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DBusMessage *m;
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bool b;
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m = dbus_message_new_method_call("org.freedesktop.login1",
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wl->spath,
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"org.freedesktop.login1.Session",
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"PauseDeviceComplete");
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if (m) {
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b = dbus_message_append_args(m,
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DBUS_TYPE_UINT32, &major,
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DBUS_TYPE_UINT32, &minor,
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DBUS_TYPE_INVALID);
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if (b)
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dbus_connection_send(wl->dbus, m, NULL);
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dbus_message_unref(m);
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}
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}
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static int
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launcher_logind_open(struct weston_launcher *launcher, const char *path, int flags)
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{
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struct launcher_logind *wl = wl_container_of(launcher, wl, base);
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struct stat st;
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int fl, r, fd;
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r = stat(path, &st);
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if (r < 0) {
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weston_log("logind: cannot stat: %s! error=%s\n", path, strerror(errno));
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return -1;
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}
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if (!S_ISCHR(st.st_mode)) {
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weston_log("logind: %s is not a character special file!\n", path);
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errno = ENODEV;
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return -1;
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}
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fd = launcher_logind_take_device(wl, major(st.st_rdev),
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minor(st.st_rdev), NULL);
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if (fd < 0) {
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weston_log("logind: TakeDevice on %s failed, error=%s\n",
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path, strerror(-fd));
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errno = -fd;
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return -1;
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}
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/* Compared to weston_launcher_open() we cannot specify the open-mode
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* directly. Instead, logind passes us an fd with sane default modes.
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* For DRM and evdev this means O_RDWR | O_CLOEXEC. If we want
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* something else, we need to change it afterwards. We currently
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* only support setting O_NONBLOCK. Changing access-modes is not
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* possible so accept whatever logind passes us. */
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fl = fcntl(fd, F_GETFL);
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if (fl < 0) {
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r = -errno;
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weston_log("logind: cannot get file flags: %s\n", strerror(errno));
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goto err_close;
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}
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if (flags & O_NONBLOCK)
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fl |= O_NONBLOCK;
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r = fcntl(fd, F_SETFL, fl);
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if (r < 0) {
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r = -errno;
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weston_log("logind: cannot set O_NONBLOCK: %s\n", strerror(errno));
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goto err_close;
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}
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return fd;
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err_close:
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close(fd);
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launcher_logind_release_device(wl, major(st.st_rdev),
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minor(st.st_rdev));
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errno = -r;
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return -1;
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}
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static void
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launcher_logind_close(struct weston_launcher *launcher, int fd)
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{
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struct launcher_logind *wl = wl_container_of(launcher, wl, base);
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struct stat st;
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int r;
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r = fstat(fd, &st);
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close(fd);
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if (r < 0) {
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weston_log("logind: cannot fstat fd: %s\n", strerror(errno));
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return;
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}
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if (!S_ISCHR(st.st_mode)) {
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weston_log("logind: invalid device passed\n");
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return;
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}
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launcher_logind_release_device(wl, major(st.st_rdev),
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minor(st.st_rdev));
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}
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static int
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launcher_logind_activate_vt(struct weston_launcher *launcher, int vt)
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{
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struct launcher_logind *wl = wl_container_of(launcher, wl, base);
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DBusMessage *m;
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bool b;
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int r;
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m = dbus_message_new_method_call("org.freedesktop.login1",
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"/org/freedesktop/login1/seat/self",
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"org.freedesktop.login1.Seat",
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"SwitchTo");
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if (!m)
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return -ENOMEM;
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b = dbus_message_append_args(m,
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DBUS_TYPE_UINT32, &vt,
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DBUS_TYPE_INVALID);
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if (!b) {
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r = -ENOMEM;
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goto err_unref;
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}
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dbus_connection_send(wl->dbus, m, NULL);
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r = 0;
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err_unref:
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dbus_message_unref(m);
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return r;
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}
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static void
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launcher_logind_set_active(struct launcher_logind *wl, bool active)
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{
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if (wl->compositor->session_active == active)
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return;
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wl->compositor->session_active = active;
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wl_signal_emit(&wl->compositor->session_signal,
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wl->compositor);
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}
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static void
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parse_active(struct launcher_logind *wl, DBusMessage *m, DBusMessageIter *iter)
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{
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DBusMessageIter sub;
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dbus_bool_t b;
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if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_VARIANT)
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return;
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dbus_message_iter_recurse(iter, &sub);
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if (dbus_message_iter_get_arg_type(&sub) != DBUS_TYPE_BOOLEAN)
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return;
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dbus_message_iter_get_basic(&sub, &b);
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/* If the backend requested DRM master-device synchronization, we only
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* wake-up the compositor once the master-device is up and running. For
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* other backends, we immediately forward the Active-change event. */
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if (!wl->sync_drm || !b)
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launcher_logind_set_active(wl, b);
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}
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static void
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get_active_cb(DBusPendingCall *pending, void *data)
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{
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struct launcher_logind *wl = data;
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DBusMessageIter iter;
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DBusMessage *m;
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int type;
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dbus_pending_call_unref(wl->pending_active);
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wl->pending_active = NULL;
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m = dbus_pending_call_steal_reply(pending);
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if (!m)
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return;
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type = dbus_message_get_type(m);
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if (type == DBUS_MESSAGE_TYPE_METHOD_RETURN &&
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dbus_message_iter_init(m, &iter))
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parse_active(wl, m, &iter);
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dbus_message_unref(m);
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}
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static void
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launcher_logind_get_active(struct launcher_logind *wl)
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{
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DBusPendingCall *pending;
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DBusMessage *m;
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bool b;
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const char *iface, *name;
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m = dbus_message_new_method_call("org.freedesktop.login1",
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wl->spath,
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"org.freedesktop.DBus.Properties",
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"Get");
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if (!m)
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return;
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iface = "org.freedesktop.login1.Session";
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name = "Active";
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b = dbus_message_append_args(m,
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DBUS_TYPE_STRING, &iface,
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DBUS_TYPE_STRING, &name,
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DBUS_TYPE_INVALID);
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if (!b)
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goto err_unref;
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b = dbus_connection_send_with_reply(wl->dbus, m, &pending, -1);
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if (!b)
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goto err_unref;
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b = dbus_pending_call_set_notify(pending, get_active_cb, wl, NULL);
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if (!b) {
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dbus_pending_call_cancel(pending);
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dbus_pending_call_unref(pending);
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goto err_unref;
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}
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if (wl->pending_active) {
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dbus_pending_call_cancel(wl->pending_active);
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dbus_pending_call_unref(wl->pending_active);
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}
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wl->pending_active = pending;
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return;
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err_unref:
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dbus_message_unref(m);
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}
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static void
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disconnected_dbus(struct launcher_logind *wl)
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{
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weston_log("logind: dbus connection lost, exiting..\n");
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exit(-1);
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}
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static void
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session_removed(struct launcher_logind *wl, DBusMessage *m)
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{
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const char *name, *obj;
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bool r;
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r = dbus_message_get_args(m, NULL,
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DBUS_TYPE_STRING, &name,
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DBUS_TYPE_OBJECT_PATH, &obj,
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DBUS_TYPE_INVALID);
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if (!r) {
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weston_log("logind: cannot parse SessionRemoved dbus signal\n");
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return;
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}
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if (!strcmp(name, wl->sid)) {
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weston_log("logind: our session got closed, exiting..\n");
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exit(-1);
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}
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}
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static void
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property_changed(struct launcher_logind *wl, DBusMessage *m)
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{
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DBusMessageIter iter, sub, entry;
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const char *interface, *name;
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if (!dbus_message_iter_init(m, &iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_STRING)
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goto error;
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dbus_message_iter_get_basic(&iter, &interface);
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY)
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goto error;
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dbus_message_iter_recurse(&iter, &sub);
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while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_DICT_ENTRY) {
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dbus_message_iter_recurse(&sub, &entry);
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|
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if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
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goto error;
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dbus_message_iter_get_basic(&entry, &name);
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if (!dbus_message_iter_next(&entry))
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goto error;
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if (!strcmp(name, "Active")) {
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parse_active(wl, m, &entry);
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return;
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}
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dbus_message_iter_next(&sub);
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}
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|
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if (!dbus_message_iter_next(&iter) ||
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dbus_message_iter_get_arg_type(&iter) != DBUS_TYPE_ARRAY)
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goto error;
|
|
|
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dbus_message_iter_recurse(&iter, &sub);
|
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|
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while (dbus_message_iter_get_arg_type(&sub) == DBUS_TYPE_STRING) {
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dbus_message_iter_get_basic(&sub, &name);
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|
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if (!strcmp(name, "Active")) {
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launcher_logind_get_active(wl);
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return;
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}
|
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dbus_message_iter_next(&sub);
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}
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return;
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|
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error:
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weston_log("logind: cannot parse PropertiesChanged dbus signal\n");
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}
|
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|
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static void
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device_paused(struct launcher_logind *wl, DBusMessage *m)
|
|
{
|
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bool r;
|
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const char *type;
|
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uint32_t major, minor;
|
|
|
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r = dbus_message_get_args(m, NULL,
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DBUS_TYPE_UINT32, &major,
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DBUS_TYPE_UINT32, &minor,
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DBUS_TYPE_STRING, &type,
|
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DBUS_TYPE_INVALID);
|
|
if (!r) {
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weston_log("logind: cannot parse PauseDevice dbus signal\n");
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return;
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}
|
|
|
|
/* "pause" means synchronous pausing. Acknowledge it unconditionally
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|
* as we support asynchronous device shutdowns, anyway.
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* "force" means asynchronous pausing.
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|
* "gone" means the device is gone. We handle it the same as "force" as
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* a following udev event will be caught, too.
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*
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* If it's our main DRM device, tell the compositor to go asleep. */
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|
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if (!strcmp(type, "pause"))
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launcher_logind_pause_device_complete(wl, major, minor);
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|
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if (wl->sync_drm && wl->compositor->backend->device_changed)
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wl->compositor->backend->device_changed(wl->compositor,
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makedev(major,minor),
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false);
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|
}
|
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|
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static void
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device_resumed(struct launcher_logind *wl, DBusMessage *m)
|
|
{
|
|
bool r;
|
|
uint32_t major, minor;
|
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|
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r = dbus_message_get_args(m, NULL,
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DBUS_TYPE_UINT32, &major,
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DBUS_TYPE_UINT32, &minor,
|
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DBUS_TYPE_INVALID);
|
|
if (!r) {
|
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weston_log("logind: cannot parse ResumeDevice dbus signal\n");
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return;
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}
|
|
|
|
/* DeviceResumed messages provide us a new file-descriptor for
|
|
* resumed devices. For DRM devices it's the same as before, for evdev
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|
* devices it's a new open-file. As we reopen evdev devices, anyway,
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|
* there is no need for us to handle this event for evdev. For DRM, we
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|
* notify the compositor to wake up. */
|
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|
|
if (wl->sync_drm && wl->compositor->backend->device_changed)
|
|
wl->compositor->backend->device_changed(wl->compositor,
|
|
makedev(major,minor),
|
|
true);
|
|
}
|
|
|
|
static DBusHandlerResult
|
|
filter_dbus(DBusConnection *c, DBusMessage *m, void *data)
|
|
{
|
|
struct launcher_logind *wl = data;
|
|
|
|
if (dbus_message_is_signal(m, DBUS_INTERFACE_LOCAL, "Disconnected")) {
|
|
disconnected_dbus(wl);
|
|
} else if (dbus_message_is_signal(m, "org.freedesktop.login1.Manager",
|
|
"SessionRemoved")) {
|
|
session_removed(wl, m);
|
|
} else if (dbus_message_is_signal(m, "org.freedesktop.DBus.Properties",
|
|
"PropertiesChanged")) {
|
|
property_changed(wl, m);
|
|
} else if (dbus_message_is_signal(m, "org.freedesktop.login1.Session",
|
|
"PauseDevice")) {
|
|
device_paused(wl, m);
|
|
} else if (dbus_message_is_signal(m, "org.freedesktop.login1.Session",
|
|
"ResumeDevice")) {
|
|
device_resumed(wl, m);
|
|
}
|
|
|
|
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
|
|
}
|
|
|
|
static int
|
|
launcher_logind_setup_dbus(struct launcher_logind *wl)
|
|
{
|
|
bool b;
|
|
int r;
|
|
|
|
r = asprintf(&wl->spath, "/org/freedesktop/login1/session/%s",
|
|
wl->sid);
|
|
if (r < 0)
|
|
return -ENOMEM;
|
|
|
|
b = dbus_connection_add_filter(wl->dbus, filter_dbus, wl, NULL);
|
|
if (!b) {
|
|
weston_log("logind: cannot add dbus filter\n");
|
|
r = -ENOMEM;
|
|
goto err_spath;
|
|
}
|
|
|
|
r = weston_dbus_add_match_signal(wl->dbus,
|
|
"org.freedesktop.login1",
|
|
"org.freedesktop.login1.Manager",
|
|
"SessionRemoved",
|
|
"/org/freedesktop/login1");
|
|
if (r < 0) {
|
|
weston_log("logind: cannot add dbus match\n");
|
|
goto err_spath;
|
|
}
|
|
|
|
r = weston_dbus_add_match_signal(wl->dbus,
|
|
"org.freedesktop.login1",
|
|
"org.freedesktop.login1.Session",
|
|
"PauseDevice",
|
|
wl->spath);
|
|
if (r < 0) {
|
|
weston_log("logind: cannot add dbus match\n");
|
|
goto err_spath;
|
|
}
|
|
|
|
r = weston_dbus_add_match_signal(wl->dbus,
|
|
"org.freedesktop.login1",
|
|
"org.freedesktop.login1.Session",
|
|
"ResumeDevice",
|
|
wl->spath);
|
|
if (r < 0) {
|
|
weston_log("logind: cannot add dbus match\n");
|
|
goto err_spath;
|
|
}
|
|
|
|
r = weston_dbus_add_match_signal(wl->dbus,
|
|
"org.freedesktop.login1",
|
|
"org.freedesktop.DBus.Properties",
|
|
"PropertiesChanged",
|
|
wl->spath);
|
|
if (r < 0) {
|
|
weston_log("logind: cannot add dbus match\n");
|
|
goto err_spath;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_spath:
|
|
/* don't remove any dbus-match as the connection is closed, anyway */
|
|
free(wl->spath);
|
|
return r;
|
|
}
|
|
|
|
static void
|
|
launcher_logind_destroy_dbus(struct launcher_logind *wl)
|
|
{
|
|
/* don't remove any dbus-match as the connection is closed, anyway */
|
|
free(wl->spath);
|
|
}
|
|
|
|
static int
|
|
launcher_logind_take_control(struct launcher_logind *wl)
|
|
{
|
|
DBusError err;
|
|
DBusMessage *m, *reply;
|
|
dbus_bool_t force;
|
|
bool b;
|
|
int r;
|
|
|
|
dbus_error_init(&err);
|
|
|
|
m = dbus_message_new_method_call("org.freedesktop.login1",
|
|
wl->spath,
|
|
"org.freedesktop.login1.Session",
|
|
"TakeControl");
|
|
if (!m)
|
|
return -ENOMEM;
|
|
|
|
force = false;
|
|
b = dbus_message_append_args(m,
|
|
DBUS_TYPE_BOOLEAN, &force,
|
|
DBUS_TYPE_INVALID);
|
|
if (!b) {
|
|
r = -ENOMEM;
|
|
goto err_unref;
|
|
}
|
|
|
|
reply = dbus_connection_send_with_reply_and_block(wl->dbus,
|
|
m, -1, &err);
|
|
if (!reply) {
|
|
if (dbus_error_has_name(&err, DBUS_ERROR_UNKNOWN_METHOD))
|
|
weston_log("logind: old systemd version detected\n");
|
|
else
|
|
weston_log("logind: cannot take control over session %s\n", wl->sid);
|
|
|
|
dbus_error_free(&err);
|
|
r = -EIO;
|
|
goto err_unref;
|
|
}
|
|
|
|
dbus_message_unref(reply);
|
|
dbus_message_unref(m);
|
|
return 0;
|
|
|
|
err_unref:
|
|
dbus_message_unref(m);
|
|
return r;
|
|
}
|
|
|
|
static void
|
|
launcher_logind_release_control(struct launcher_logind *wl)
|
|
{
|
|
DBusMessage *m;
|
|
|
|
m = dbus_message_new_method_call("org.freedesktop.login1",
|
|
wl->spath,
|
|
"org.freedesktop.login1.Session",
|
|
"ReleaseControl");
|
|
if (m) {
|
|
dbus_connection_send(wl->dbus, m, NULL);
|
|
dbus_message_unref(m);
|
|
}
|
|
}
|
|
|
|
static int
|
|
launcher_logind_activate(struct launcher_logind *wl)
|
|
{
|
|
DBusMessage *m;
|
|
|
|
m = dbus_message_new_method_call("org.freedesktop.login1",
|
|
wl->spath,
|
|
"org.freedesktop.login1.Session",
|
|
"Activate");
|
|
if (!m)
|
|
return -ENOMEM;
|
|
|
|
dbus_connection_send(wl->dbus, m, NULL);
|
|
return 0;
|
|
}
|
|
|
|
static int
|
|
launcher_logind_get_session(char **session)
|
|
{
|
|
int r;
|
|
|
|
r = sd_pid_get_session(getpid(), session);
|
|
if (r < 0) {
|
|
if (r != -ENODATA) {
|
|
weston_log("logind: not running in a systemd session: %d\n", r);
|
|
return r;
|
|
}
|
|
} else {
|
|
return r;
|
|
}
|
|
|
|
/* When not inside a systemd session look if there is a suitable one */
|
|
r = sd_uid_get_display(getuid(), session);
|
|
if (r < 0)
|
|
weston_log("logind: cannot find systemd session for uid: %d %d\n", getuid(), r);
|
|
|
|
return r;
|
|
}
|
|
|
|
static int
|
|
launcher_logind_connect(struct weston_launcher **out, struct weston_compositor *compositor,
|
|
const char *seat_id, bool sync_drm)
|
|
{
|
|
struct launcher_logind *wl;
|
|
struct wl_event_loop *loop;
|
|
char *t;
|
|
int r;
|
|
|
|
wl = zalloc(sizeof(*wl));
|
|
if (wl == NULL) {
|
|
r = -ENOMEM;
|
|
goto err_out;
|
|
}
|
|
|
|
wl->base.iface = &launcher_logind_iface;
|
|
wl->compositor = compositor;
|
|
wl->sync_drm = sync_drm;
|
|
|
|
wl->seat = strdup(seat_id);
|
|
if (!wl->seat) {
|
|
r = -ENOMEM;
|
|
goto err_wl;
|
|
}
|
|
|
|
r = launcher_logind_get_session(&wl->sid);
|
|
if (r < 0)
|
|
goto err_seat;
|
|
|
|
t = NULL;
|
|
r = sd_session_get_seat(wl->sid, &t);
|
|
if (r < 0) {
|
|
weston_log("logind: failed to get session seat\n");
|
|
free(t);
|
|
goto err_session;
|
|
} else if (strcmp(seat_id, t)) {
|
|
weston_log("logind: weston's seat '%s' differs from session-seat '%s'\n",
|
|
seat_id, t);
|
|
r = -EINVAL;
|
|
free(t);
|
|
goto err_session;
|
|
}
|
|
|
|
r = sd_seat_can_tty(t);
|
|
free(t);
|
|
if (r > 0) {
|
|
r = sd_session_get_vt(wl->sid, &wl->vtnr);
|
|
if (r < 0) {
|
|
weston_log("logind: session not running on a VT\n");
|
|
goto err_session;
|
|
}
|
|
} else if (r < 0) {
|
|
weston_log("logind: could not determine if seat %s has ttys or not", t);
|
|
r = -EINVAL;
|
|
goto err_session;
|
|
}
|
|
|
|
loop = wl_display_get_event_loop(compositor->wl_display);
|
|
r = weston_dbus_open(loop, DBUS_BUS_SYSTEM, &wl->dbus, &wl->dbus_ctx);
|
|
if (r < 0) {
|
|
weston_log("logind: cannot connect to system dbus\n");
|
|
goto err_session;
|
|
}
|
|
|
|
r = launcher_logind_setup_dbus(wl);
|
|
if (r < 0)
|
|
goto err_dbus;
|
|
|
|
r = launcher_logind_take_control(wl);
|
|
if (r < 0)
|
|
goto err_dbus_cleanup;
|
|
|
|
r = launcher_logind_activate(wl);
|
|
if (r < 0)
|
|
goto err_dbus_cleanup;
|
|
|
|
weston_log("logind: session control granted\n");
|
|
* (struct launcher_logind **) out = wl;
|
|
return 0;
|
|
|
|
err_dbus_cleanup:
|
|
launcher_logind_destroy_dbus(wl);
|
|
err_dbus:
|
|
weston_dbus_close(wl->dbus, wl->dbus_ctx);
|
|
err_session:
|
|
free(wl->sid);
|
|
err_seat:
|
|
free(wl->seat);
|
|
err_wl:
|
|
free(wl);
|
|
err_out:
|
|
weston_log("logind: cannot setup systemd-logind helper error: (%s), using legacy fallback\n",
|
|
strerror(-r));
|
|
errno = -r;
|
|
return -1;
|
|
}
|
|
|
|
static void
|
|
launcher_logind_destroy(struct weston_launcher *launcher)
|
|
{
|
|
struct launcher_logind *wl = wl_container_of(launcher, wl, base);
|
|
|
|
if (wl->pending_active) {
|
|
dbus_pending_call_cancel(wl->pending_active);
|
|
dbus_pending_call_unref(wl->pending_active);
|
|
}
|
|
|
|
launcher_logind_release_control(wl);
|
|
launcher_logind_destroy_dbus(wl);
|
|
weston_dbus_close(wl->dbus, wl->dbus_ctx);
|
|
free(wl->sid);
|
|
free(wl->seat);
|
|
free(wl);
|
|
}
|
|
|
|
static int
|
|
launcher_logind_get_vt(struct weston_launcher *launcher)
|
|
{
|
|
struct launcher_logind *wl = wl_container_of(launcher, wl, base);
|
|
if (wl->vtnr <= 0) {
|
|
return -EINVAL;
|
|
}
|
|
return wl->vtnr;
|
|
}
|
|
|
|
const struct launcher_interface launcher_logind_iface = {
|
|
.name = "logind",
|
|
.connect = launcher_logind_connect,
|
|
.destroy = launcher_logind_destroy,
|
|
.open = launcher_logind_open,
|
|
.close = launcher_logind_close,
|
|
.activate_vt = launcher_logind_activate_vt,
|
|
.get_vt = launcher_logind_get_vt,
|
|
};
|
|
|