diff options
| -rw-r--r-- | configure.ac | 1 | ||||
| -rw-r--r-- | daemon/gdm-display.c | 217 |
2 files changed, 121 insertions, 97 deletions
diff --git a/configure.ac b/configure.ac index dd989928..fbf400e5 100644 --- a/configure.ac +++ b/configure.ac @@ -84,6 +84,7 @@ PKG_CHECK_MODULES(DAEMON, gio-2.0 >= $GLIB_REQUIRED_VERSION gio-unix-2.0 >= $GLIB_REQUIRED_VERSION accountsservice >= $ACCOUNTS_SERVICE_REQUIRED_VERSION + xcb ) AC_SUBST(DAEMON_CFLAGS) AC_SUBST(DAEMON_LIBS) diff --git a/daemon/gdm-display.c b/daemon/gdm-display.c index ee80c84b..4b035d6f 100644 --- a/daemon/gdm-display.c +++ b/daemon/gdm-display.c @@ -34,8 +34,7 @@ #include <glib/gi18n.h> #include <glib-object.h> -#include <X11/Xlib.h> -#include <X11/Xatom.h> +#include <xcb/xcb.h> #include "gdm-common.h" #include "gdm-display.h" @@ -76,7 +75,8 @@ struct GdmDisplayPrivate guint finish_idle_id; - Display *x11_display; + xcb_connection_t *xcb_connection; + int xcb_screen_number; GDBusConnection *connection; GdmDisplayAccessFile *user_access_file; @@ -292,32 +292,17 @@ gdm_display_create_authority (GdmDisplay *self) } static void -setup_xhost_auth (XHostAddress *host_entries, - XServerInterpretedAddress *si_entries) -{ - si_entries[0].type = "localuser"; - si_entries[0].typelength = strlen ("localuser"); - si_entries[1].type = "localuser"; - si_entries[1].typelength = strlen ("localuser"); - si_entries[2].type = "localuser"; - si_entries[2].typelength = strlen ("localuser"); - - si_entries[0].value = "root"; - si_entries[0].valuelength = strlen ("root"); - si_entries[1].value = GDM_USERNAME; - si_entries[1].valuelength = strlen (GDM_USERNAME); - si_entries[2].value = "gnome-initial-setup"; - si_entries[2].valuelength = strlen ("gnome-initial-setup"); - +setup_xhost_auth (XHostAddress *host_entries) +{ host_entries[0].family = FamilyServerInterpreted; - host_entries[0].address = (char *) &si_entries[0]; - host_entries[0].length = sizeof (XServerInterpretedAddress); + host_entries[0].address = "localuser\0root"; + host_entries[0].length = sizeof ("localuser\0root"); host_entries[1].family = FamilyServerInterpreted; - host_entries[1].address = (char *) &si_entries[1]; - host_entries[1].length = sizeof (XServerInterpretedAddress); + host_entries[1].address = "localuser\0" GDM_USERNAME; + host_entries[1].length = sizeof ("localuser\0" GDM_USERNAME); host_entries[2].family = FamilyServerInterpreted; - host_entries[2].address = (char *) &si_entries[2]; - host_entries[2].length = sizeof (XServerInterpretedAddress); + host_entries[2].address = "localuser\0gnome-initial-setup"; + host_entries[2].length = sizeof ("localuser\0gnome-initial-setup"); } gboolean @@ -331,8 +316,8 @@ gdm_display_add_user_authorization (GdmDisplay *self, gboolean res; int i; - XServerInterpretedAddress si_entries[3]; XHostAddress host_entries[3]; + xcb_void_cookie_t cookies[3]; g_return_val_if_fail (GDM_IS_DISPLAY (self), FALSE); @@ -382,14 +367,25 @@ gdm_display_add_user_authorization (GdmDisplay *self, /* Remove access for the programs run by greeter now that the * user session is starting. */ - setup_xhost_auth (host_entries, si_entries); - gdm_error_trap_push (); + setup_xhost_auth (host_entries); + for (i = 0; i < G_N_ELEMENTS (host_entries); i++) { - XRemoveHost (self->priv->x11_display, &host_entries[i]); + cookies[i] = xcb_change_hosts_checked (self->priv->xcb_connection, + XCB_HOST_MODE_DELETE, + host_entries[i].family, + host_entries[i].length, + (uint8_t *) host_entries[i].address); } - XSync (self->priv->x11_display, False); - if (gdm_error_trap_pop ()) { - g_warning ("Failed to remove greeter program access to the display. Trying to proceed."); + + for (i = 0; i < G_N_ELEMENTS (cookies); i++) { + xcb_generic_error_t *xcb_error; + + xcb_error = xcb_request_check (self->priv->xcb_connection, cookies[i]); + + if (xcb_error != NULL) { + g_warning ("Failed to remove greeter program access to the display. Trying to proceed."); + free (xcb_error); + } } return TRUE; @@ -652,7 +648,7 @@ gdm_display_finish (GdmDisplay *self) static void gdm_display_disconnect (GdmDisplay *self) { - g_clear_pointer (&self->priv->x11_display, XCloseDisplay); + g_clear_pointer (&self->priv->xcb_connection, xcb_disconnect); } gboolean @@ -951,7 +947,7 @@ gdm_display_get_property (GObject *object, g_value_set_boolean (value, self->priv->is_local); break; case PROP_IS_CONNECTED: - g_value_set_boolean (value, self->priv->x11_display != NULL); + g_value_set_boolean (value, self->priv->xcb_connection != NULL); break; case PROP_LAUNCH_ENVIRONMENT: g_value_set_object (value, self->priv->launch_environment); @@ -1601,70 +1597,78 @@ gdm_display_stop_greeter_session (GdmDisplay *self) } } +static xcb_window_t +get_root_window (xcb_connection_t *connection, + int screen_number) +{ + xcb_screen_t *screen = NULL; + xcb_screen_iterator_t iter; + + iter = xcb_setup_roots_iterator (xcb_get_setup (connection)); + while (iter.rem) { + if (screen_number == 0) + screen = iter.data; + screen_number--; + xcb_screen_next (&iter); + } + + if (screen != NULL) { + return screen->root; + } + + return XCB_WINDOW_NONE; +} + static void gdm_display_set_windowpath (GdmDisplay *self) { /* setting WINDOWPATH for clients */ - Atom prop; - Atom actualtype; - int actualformat; - unsigned long nitems; - unsigned long bytes_after; - unsigned char *buf; + xcb_intern_atom_cookie_t atom_cookie; + xcb_intern_atom_reply_t *atom_reply = NULL; + xcb_get_property_cookie_t get_property_cookie; + xcb_get_property_reply_t *get_property_reply = NULL; + xcb_window_t root_window = XCB_WINDOW_NONE; const char *windowpath; char *newwindowpath; - unsigned long num; + uint32_t num; char nums[10]; int numn; - prop = XInternAtom (self->priv->x11_display, "XFree86_VT", False); - if (prop == None) { + atom_cookie = xcb_intern_atom (self->priv->xcb_connection, 0, strlen("XFree86_VT"), "XFree86_VT"); + atom_reply = xcb_intern_atom_reply (self->priv->xcb_connection, atom_cookie, NULL); + + if (atom_reply == NULL) { g_debug ("no XFree86_VT atom\n"); - return; - } - if (XGetWindowProperty (self->priv->x11_display, - DefaultRootWindow (self->priv->x11_display), prop, 0, 1, - False, AnyPropertyType, &actualtype, &actualformat, - &nitems, &bytes_after, &buf)) { - g_debug ("no XFree86_VT property\n"); - return; + goto out; } - if (nitems != 1) { - g_debug ("%lu items in XFree86_VT property!\n", nitems); - XFree (buf); - return; + root_window = get_root_window (self->priv->xcb_connection, + self->priv->xcb_screen_number); + + if (root_window == XCB_WINDOW_NONE) { + g_debug ("couldn't find root window\n"); + goto out; } - switch (actualtype) { - case XA_CARDINAL: - case XA_INTEGER: - case XA_WINDOW: - switch (actualformat) { - case 8: - num = (*(uint8_t *)(void *)buf); - break; - case 16: - num = (*(uint16_t *)(void *)buf); - break; - case 32: - num = (*(long *)(void *)buf); - break; - default: - g_debug ("format %d in XFree86_VT property!\n", actualformat); - XFree (buf); - return; - } - break; - default: - g_debug ("type %lx in XFree86_VT property!\n", actualtype); - XFree (buf); - return; + get_property_cookie = xcb_get_property (self->priv->xcb_connection, + FALSE, + root_window, + atom_reply->atom, + XCB_ATOM_INTEGER, + 0, + 1); + + get_property_reply = xcb_get_property_reply (self->priv->xcb_connection, get_property_cookie, NULL); + + if (get_property_reply == NULL) { + g_debug ("no XFree86_VT property\n"); + goto out; } - XFree (buf); + + num = ((uint32_t *) xcb_get_property_value (get_property_reply))[0]; windowpath = getenv ("WINDOWPATH"); - numn = snprintf (nums, sizeof (nums), "%lu", num); + numn = snprintf (nums, sizeof (nums), "%u", num); if (!windowpath) { newwindowpath = malloc (numn + 1); sprintf (newwindowpath, "%s", nums); @@ -1674,11 +1678,15 @@ gdm_display_set_windowpath (GdmDisplay *self) } g_setenv ("WINDOWPATH", newwindowpath, TRUE); +out: + g_clear_pointer (&atom_reply, free); + g_clear_pointer (&get_property_reply, free); } gboolean gdm_display_connect (GdmDisplay *self) { + xcb_auth_info_t *auth_info = NULL; gboolean ret; ret = FALSE; @@ -1687,21 +1695,26 @@ gdm_display_connect (GdmDisplay *self) /* Get access to the display independent of current hostname */ if (self->priv->x11_cookie != NULL) { - XSetAuthorization ("MIT-MAGIC-COOKIE-1", - strlen ("MIT-MAGIC-COOKIE-1"), - (gpointer) - self->priv->x11_cookie, - self->priv->x11_cookie_size); + auth_info = g_alloca (sizeof (xcb_auth_info_t)); + + auth_info->namelen = strlen ("MIT-MAGIC-COOKIE-1"); + auth_info->name = "MIT-MAGIC-COOKIE-1"; + auth_info->datalen = self->priv->x11_cookie_size; + auth_info->data = self->priv->x11_cookie; + } - self->priv->x11_display = XOpenDisplay (self->priv->x11_display_name); + self->priv->xcb_connection = xcb_connect_to_display_with_auth_info (self->priv->x11_display_name, + auth_info, + &self->priv->xcb_screen_number); - if (self->priv->x11_display == NULL) { + if (xcb_connection_has_error (self->priv->xcb_connection)) { + g_clear_pointer (&self->priv->xcb_connection, xcb_disconnect); g_warning ("Unable to connect to display %s", self->priv->x11_display_name); ret = FALSE; } else if (self->priv->is_local) { - XServerInterpretedAddress si_entries[3]; XHostAddress host_entries[3]; + xcb_void_cookie_t cookies[3]; int i; g_debug ("GdmDisplay: Connected to display %s", self->priv->x11_display_name); @@ -1709,17 +1722,27 @@ gdm_display_connect (GdmDisplay *self) /* Give programs access to the display independent of current hostname */ - setup_xhost_auth (host_entries, si_entries); - - gdm_error_trap_push (); + setup_xhost_auth (host_entries); for (i = 0; i < G_N_ELEMENTS (host_entries); i++) { - XAddHost (self->priv->x11_display, &host_entries[i]); + cookies[i] = xcb_change_hosts_checked (self->priv->xcb_connection, + XCB_HOST_MODE_INSERT, + host_entries[i].family, + host_entries[i].length, + (uint8_t *) host_entries[i].address); } - XSync (self->priv->x11_display, False); - if (gdm_error_trap_pop ()) { - g_debug ("Failed to give some system users access to the display. Trying to proceed."); + for (i = 0; i < G_N_ELEMENTS (cookies); i++) { + xcb_generic_error_t *xcb_error; + + xcb_error = xcb_request_check (self->priv->xcb_connection, cookies[i]); + + if (xcb_error != NULL) { + g_debug ("Failed to give system user '%s' access to the display. Trying to proceed.", host_entries[i].address + sizeof ("localuser")); + free (xcb_error); + } else { + g_debug ("Gave system user '%s' access to the display.", host_entries[i].address + sizeof ("localuser")); + } } gdm_display_set_windowpath (self); |