Ejemplo n.º 1
0
void
weston_log_file_open(const char *filename)
{
	wl_log_set_handler_server(custom_handler);

	if (filename != NULL)
		weston_logfile = fopen(filename, "a");

	if (weston_logfile == NULL)
		weston_logfile = stderr;
	else
		setvbuf(weston_logfile, NULL, _IOLBF, 256);
}
Ejemplo n.º 2
0
void
meta_wayland_pre_clutter_init (void)
{
  MetaWaylandCompositor *compositor = &_meta_wayland_compositor;

  meta_wayland_compositor_init (compositor);

  /* Set up our logging. */
  wl_log_set_handler_server (meta_wayland_log_func);

  compositor->wayland_display = wl_display_create ();
  if (compositor->wayland_display == NULL)
    g_error ("Failed to create the global wl_display");

  clutter_wayland_set_compositor_display (compositor->wayland_display);
}
Ejemplo n.º 3
0
Archivo: wlc.c Proyecto: UIKit0/wlc
WLC_API bool
wlc_init(const struct wlc_interface *interface, int argc, char *argv[])
{
   assert(interface);

   if (!interface)
      die("no wlc_interface was given");

   if (wlc.display)
      return true;

   memset(&wlc, 0, sizeof(wlc));

   wl_log_set_handler_server(wl_cb_log);

   for (int i = 1; i < argc; ++i) {
      if (chck_cstreq(argv[i], "--log")) {
         if (i + 1 >= argc)
            die("--log takes an argument (filename)");
         wlc_set_log_file(fopen(argv[++i], "a"));
      }
   }

   unsetenv("TERM");
   const char *x11display = getenv("DISPLAY");
   bool privilidged = false;
   const bool has_logind  = wlc_logind_available();

   if (getuid() != geteuid() || getgid() != getegid()) {
      wlc_log(WLC_LOG_INFO, "Doing work on SUID/SGID side and dropping permissions");
      privilidged = true;
   } else if (getuid() == 0) {
      die("Do not run wlc compositor as root");
   } else if (!x11display && !has_logind && access("/dev/input/event0", R_OK | W_OK) != 0) {
      die("Not running from X11 and no access to /dev/input/event0 or logind available");
   }

#ifndef NDEBUG
   {
      struct sigaction action = {
         .sa_handler = backtrace
      };
      sigaction(SIGABRT, &action, NULL);
      sigaction(SIGSEGV, &action, NULL);

      // XXX: Some weird sigfpes seems to come when running
      // wlc compositor inside wlc compositor (X11 backend).
      // Seems to be caused by resolution changes and mouse clicks.
      // Gather more information about this later and see what's going on.
      if (!getenv("WAYLAND_DISPLAY"))
         fpesetup(&action);
   }
#endif

   int vt = 0;

#ifdef HAS_LOGIND
   // Init logind if we are not running as SUID.
   // We need event loop for logind to work, and thus we won't allow it on SUID process.
   if (!privilidged && !x11display && has_logind) {
      if (!(wlc.display = wl_display_create()))
         die("Failed to create wayland display");
      if (!(vt = wlc_logind_init("seat0")))
         die("Failed to init logind");
   }
#else
   (void)privilidged;
#endif

   if (!x11display)
      wlc_tty_init(vt);

   // -- we open tty before dropping permissions
   //    so the fd process can also handle cleanup in case of crash
   //    if logind initialized correctly, fd process does nothing but handle crash.

   {
      struct wl_display *display = wlc.display;
      wlc.display = NULL;
      wlc_fd_init(argc, argv, (vt != 0));
      wlc.display = display;
   }


   // -- permissions are now dropped

   wl_signal_init(&wlc.signals.terminate);
   wl_signal_init(&wlc.signals.activate);
   wl_signal_init(&wlc.signals.compositor);
   wl_signal_init(&wlc.signals.focus);
   wl_signal_init(&wlc.signals.surface);
   wl_signal_init(&wlc.signals.input);
   wl_signal_init(&wlc.signals.output);
   wl_signal_init(&wlc.signals.render);
   wl_signal_init(&wlc.signals.xwayland);
   wl_signal_add(&wlc.signals.compositor, &compositor_listener);

   if (!wlc_resources_init())
      die("Failed to init resource manager");

   if (!wlc.display && !(wlc.display = wl_display_create()))
      die("Failed to create wayland display");

   const char *socket_name;
   if (!(socket_name = wl_display_add_socket_auto(wlc.display)))
      die("Failed to add socket to wayland display");

   if (socket_name) // shut up static analyze
      setenv("WAYLAND_DISPLAY", socket_name, true);

   if (wl_display_init_shm(wlc.display) != 0)
      die("Failed to init shm");

   if (!wlc_udev_init())
      die("Failed to init udev");

   const char *libinput = getenv("WLC_LIBINPUT");
   if (!x11display || (libinput && !chck_cstreq(libinput, "0"))) {
      if (!wlc_input_init())
         die("Failed to init input");
   }

   memcpy(&wlc.interface, interface, sizeof(wlc.interface));

   if (!wlc_compositor(&wlc.compositor))
      die("Failed to init compositor");

   const char *xwayland = getenv("WLC_XWAYLAND");
   if (!xwayland || !chck_cstreq(xwayland, "0")) {
      if (!(wlc_xwayland_init()))
         die("Failed to init xwayland");
   } else {
      wlc.set_ready_on_run = true;
   }

   wlc_set_active(true);
   return wlc_compositor_is_good(&wlc.compositor);
}
Ejemplo n.º 4
0
WLC_API bool
wlc_init(const struct wlc_interface *interface, int argc, char *argv[])
{
   assert(interface);

   if (!interface)
      die("no wlc_interface was given");

   if (wlc.display)
      return true;

   // reset wlc state, but keep log function
   void *log_fun = wlc.log_fun;
   memset(&wlc, 0, sizeof(wlc));
   wlc.log_fun = log_fun;

   wl_log_set_handler_server(wl_cb_log);

   unsetenv("TERM");
   const char *x11display = getenv("DISPLAY");
   bool privileged = false;
   const bool has_logind = wlc_logind_available();

   if (getuid() != geteuid() || getgid() != getegid()) {
      wlc_log(WLC_LOG_INFO, "Doing work on SUID/SGID side and dropping permissions");
      privileged = true;
   } else if (getuid() == 0) {
      die("Do not run wlc compositor as root");
   } else if (!x11display && !has_logind && access("/dev/input/event0", R_OK | W_OK) != 0) {
      die("Not running from X11 and no access to /dev/input/event0 or logind available");
   }

   int vt = 0;

#ifdef HAS_LOGIND
   // Init logind if we are not running as SUID.
   // We need event loop for logind to work, and thus we won't allow it on SUID process.
   if (!privileged && !x11display && has_logind) {
      if (!(wlc.display = wl_display_create()))
         die("Failed to create wayland display");
      if (!(vt = wlc_logind_init("seat0")))
         die("Failed to init logind");
   }
#else
   (void)privileged;
#endif

   if (!x11display)
      wlc_tty_init(vt);

   // -- we open tty before dropping permissions
   //    so the fd process can also handle cleanup in case of crash
   //    if logind initialized correctly, fd process does nothing but handle crash.

   {
      struct wl_display *display = wlc.display;
      wlc.display = NULL;
      wlc_fd_init(argc, argv, (vt != 0));
      wlc.display = display;
   }

   // -- permissions are now dropped

   wl_signal_init(&wlc.signals.terminate);
   wl_signal_init(&wlc.signals.activate);
   wl_signal_init(&wlc.signals.compositor);
   wl_signal_init(&wlc.signals.focus);
   wl_signal_init(&wlc.signals.surface);
   wl_signal_init(&wlc.signals.input);
   wl_signal_init(&wlc.signals.output);
   wl_signal_init(&wlc.signals.render);
   wl_signal_init(&wlc.signals.xwayland);
   wl_signal_add(&wlc.signals.compositor, &compositor_listener);

   if (!wlc_resources_init())
      die("Failed to init resource manager");

   if (!wlc.display && !(wlc.display = wl_display_create()))
      die("Failed to create wayland display");

   const char *socket_name;
   if (!(socket_name = wl_display_add_socket_auto(wlc.display)))
      die("Failed to add socket to wayland display");

   if (socket_name) // shut up static analyze
      setenv("WAYLAND_DISPLAY", socket_name, true);

   if (wl_display_init_shm(wlc.display) != 0)
      die("Failed to init shm");

   if (!wlc_udev_init())
      die("Failed to init udev");

   const char *libinput = getenv("WLC_LIBINPUT");
   if (!x11display || (libinput && !chck_cstreq(libinput, "0"))) {
      if (!wlc_input_init())
         die("Failed to init input");
   }

   if (!wlc_compositor(&wlc.compositor))
      die("Failed to init compositor");

   memcpy(&wlc.interface, interface, sizeof(wlc.interface));
   return true;
}