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wayland: Drop Xwayland abstract socket

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This is unnecessary, and even counter productive with flatpak applications,
as there is a bind mount between the application and the socket.

Fixes: https://gitlab.gnome.org/GNOME/mutter/-/issues/1289

https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/1424
This commit is contained in:
Carlos Garnacho 2020-08-31 18:42:08 +02:00 committed by Robert Mader
parent 6b04b2ff60
commit e2123768f6
2 changed files with 8 additions and 63 deletions
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1
src/wayland/meta-wayland-private.h
View File

@ -46,7 +46,6 @@ typedef struct
{
int display_index;
char *lock_file;
int abstract_fd;
int unix_fd;
char *name;
} MetaXWaylandConnection;

70
src/wayland/meta-xwayland.c
View File

@ -237,46 +237,6 @@ create_lock_file (int display, int *display_out)
return filename;
}
static int
bind_to_abstract_socket (int display,
gboolean *fatal)
{
struct sockaddr_un addr;
socklen_t size, name_size;
int fd;
fd = socket (PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0);
if (fd < 0)
{
*fatal = TRUE;
g_warning ("Failed to create socket: %m");
return -1;
}
addr.sun_family = AF_LOCAL;
name_size = snprintf (addr.sun_path, sizeof addr.sun_path,
"%c/tmp/.X11-unix/X%d", 0, display);
size = offsetof (struct sockaddr_un, sun_path) + name_size;
if (bind (fd, (struct sockaddr *) &addr, size) < 0)
{
*fatal = errno != EADDRINUSE;
g_warning ("failed to bind to @%s: %m", addr.sun_path + 1);
close (fd);
return -1;
}
if (listen (fd, 1) < 0)
{
*fatal = errno != EADDRINUSE;
g_warning ("Failed to listen on abstract socket @%s: %m",
addr.sun_path + 1);
close (fd);
return -1;
}
return fd;
}
static int
bind_to_unix_socket (int display)
{
@ -383,26 +343,18 @@ meta_xwayland_override_display_number (int number)
static gboolean
open_display_sockets (MetaXWaylandManager *manager,
int display_index,
int *abstract_fd_out,
int *unix_fd_out,
gboolean *fatal)
{
int abstract_fd, unix_fd;
abstract_fd = bind_to_abstract_socket (display_index,
fatal);
if (abstract_fd < 0)
return FALSE;
int unix_fd;
unix_fd = bind_to_unix_socket (display_index);
if (unix_fd < 0)
{
*fatal = FALSE;
close (abstract_fd);
return FALSE;
}
*abstract_fd_out = abstract_fd;
*unix_fd_out = unix_fd;
return TRUE;
@ -431,7 +383,6 @@ choose_xdisplay (MetaXWaylandManager *manager,
}
if (!open_display_sockets (manager, display,
&connection->abstract_fd,
&connection->unix_fd,
&fatal))
{
@ -637,10 +588,9 @@ meta_xwayland_start_xserver (MetaXWaylandManager *manager,
launcher = g_subprocess_launcher_new (flags);
g_subprocess_launcher_take_fd (launcher, xwayland_client_fd[1], 3);
g_subprocess_launcher_take_fd (launcher, manager->public_connection.abstract_fd, 4);
g_subprocess_launcher_take_fd (launcher, manager->public_connection.unix_fd, 5);
g_subprocess_launcher_take_fd (launcher, displayfd[1], 6);
g_subprocess_launcher_take_fd (launcher, manager->private_connection.abstract_fd, 7);
g_subprocess_launcher_take_fd (launcher, manager->public_connection.unix_fd, 4);
g_subprocess_launcher_take_fd (launcher, displayfd[1], 5);
g_subprocess_launcher_take_fd (launcher, manager->private_connection.unix_fd, 6);
g_subprocess_launcher_setenv (launcher, "WAYLAND_SOCKET", "3", TRUE);
@ -655,16 +605,14 @@ meta_xwayland_start_xserver (MetaXWaylandManager *manager,
args[i++] = manager->auth_file;
args[i++] = "-listen";
args[i++] = "4";
args[i++] = "-listen";
args[i++] = "5";
args[i++] = "-displayfd";
args[i++] = "6",
args[i++] = "5";
#ifdef HAVE_XWAYLAND_INITFD
args[i++] = "-initfd";
args[i++] = "7";
args[i++] = "6";
#else
args[i++] = "-listen";
args[i++] = "7";
args[i++] = "6";
#endif
for (j = 0; j < G_N_ELEMENTS (x11_extension_names); j++)
{
@ -799,14 +747,12 @@ meta_xwayland_init (MetaXWaylandManager *manager,
{
if (!open_display_sockets (manager,
manager->public_connection.display_index,
&manager->public_connection.abstract_fd,
&manager->public_connection.unix_fd,
&fatal))
return FALSE;
if (!open_display_sockets (manager,
manager->private_connection.display_index,
&manager->private_connection.abstract_fd,
&manager->private_connection.unix_fd,
&fatal))
return FALSE;
@ -817,7 +763,7 @@ meta_xwayland_init (MetaXWaylandManager *manager,
if (policy == META_DISPLAY_POLICY_ON_DEMAND)
{
g_unix_fd_add (manager->public_connection.abstract_fd, G_IO_IN,
g_unix_fd_add (manager->public_connection.unix_fd, G_IO_IN,
xdisplay_connection_activity_cb, manager);
}