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-rw-r--r--src/3rd_party/dbus-1.7.8/tools/dbus-launch-x11.c468
1 files changed, 0 insertions, 468 deletions
diff --git a/src/3rd_party/dbus-1.7.8/tools/dbus-launch-x11.c b/src/3rd_party/dbus-1.7.8/tools/dbus-launch-x11.c
deleted file mode 100644
index c7e33309ba..0000000000
--- a/src/3rd_party/dbus-1.7.8/tools/dbus-launch-x11.c
+++ /dev/null
@@ -1,468 +0,0 @@
-/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
-/* dbus-launch.h dbus-launch utility
- *
- * Copyright (C) 2006 Thiago Macieira <thiago@kde.org>
- *
- * Licensed under the Academic Free License version 2.1
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- */
-
-#include <config.h>
-#include "dbus-launch.h"
-
-#ifdef DBUS_BUILD_X11
-#include <stdlib.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <stdio.h>
-#include <string.h>
-#include <pwd.h>
-#include <X11/Xlib.h>
-#include <X11/Xatom.h>
-
-Display *xdisplay = NULL;
-static Atom selection_atom;
-static Atom address_atom;
-static Atom pid_atom;
-
-static int
-x_io_error_handler (Display *xdisplay)
-{
- verbose ("X IO error\n");
- kill_bus_and_exit (0);
- return 0;
-}
-
-static void
-remove_prefix (char *s,
- char *prefix)
-{
- int plen;
-
- plen = strlen (prefix);
-
- if (strncmp (s, prefix, plen) == 0)
- {
- memmove (s, s + plen, strlen (s) - plen + 1);
- }
-}
-
-static const char*
-get_homedir (void)
-{
- const char *home;
-
- home = getenv ("HOME");
- if (home == NULL)
- {
- /* try from the user database */
- struct passwd *user = getpwuid (getuid());
- if (user != NULL)
- home = user->pw_dir;
- }
-
- if (home == NULL)
- {
- fprintf (stderr, "Can't get user home directory\n");
- exit (1);
- }
-
- return home;
-}
-
-#define DBUS_DIR ".dbus"
-#define DBUS_SESSION_BUS_DIR "session-bus"
-
-static char *
-get_session_file (void)
-{
- static const char prefix[] = "/" DBUS_DIR "/" DBUS_SESSION_BUS_DIR "/";
- const char *machine;
- const char *home;
- char *display;
- char *result;
- char *p;
-
- machine = get_machine_uuid ();
- if (machine == NULL)
- return NULL;
-
- display = xstrdup (getenv ("DISPLAY"));
- if (display == NULL)
- {
- verbose ("X11 integration disabled because X11 is not running\n");
- return NULL;
- }
-
- /* remove the screen part of the display name */
- p = strrchr (display, ':');
- if (p != NULL)
- {
- for ( ; *p; ++p)
- {
- if (*p == '.')
- {
- *p = '\0';
- break;
- }
- }
- }
-
- /* Note that we leave the hostname in the display most of the
- * time. The idea is that we want to be per-(machine,display,user)
- * triplet to be extra-sure we get a bus we can connect to. Ideally
- * we'd recognize when the hostname matches the machine we're on in
- * all cases; we do try to drop localhost and localhost.localdomain
- * as a special common case so that alternate spellings of DISPLAY
- * don't result in extra bus instances.
- *
- * We also kill the ":" if there's nothing in front of it. This
- * avoids an ugly double underscore in the filename.
- */
- remove_prefix (display, "localhost.localdomain:");
- remove_prefix (display, "localhost:");
- remove_prefix (display, ":");
-
- /* replace the : in the display with _ if the : is still there.
- * use _ instead of - since it can't be in hostnames.
- */
- for (p = display; *p; ++p)
- {
- if (*p == ':')
- *p = '_';
- }
-
- home = get_homedir ();
-
- result = malloc (strlen (home) + strlen (prefix) + strlen (machine) +
- strlen (display) + 2);
- if (result == NULL)
- {
- /* out of memory */
- free (display);
- return NULL;
- }
-
- strcpy (result, home);
- strcat (result, prefix);
- strcat (result, machine);
- strcat (result, "-");
- strcat (result, display);
- free (display);
-
- verbose ("session file: %s\n", result);
- return result;
-}
-
-static void
-ensure_session_directory (void)
-{
- const char *home;
- char *dir;
-
- home = get_homedir ();
-
- /* be sure we have space for / and nul */
- dir = malloc (strlen (home) + strlen (DBUS_DIR) + strlen (DBUS_SESSION_BUS_DIR) + 3);
- if (dir == NULL)
- {
- fprintf (stderr, "no memory\n");
- exit (1);
- }
-
- strcpy (dir, home);
- strcat (dir, "/");
- strcat (dir, DBUS_DIR);
-
- if (mkdir (dir, 0700) < 0)
- {
- /* only print a warning here, writing the session file itself will fail later */
- if (errno != EEXIST)
- fprintf (stderr, "Unable to create %s\n", dir);
- }
-
- strcat (dir, "/");
- strcat (dir, DBUS_SESSION_BUS_DIR);
-
- if (mkdir (dir, 0700) < 0)
- {
- /* only print a warning here, writing the session file itself will fail later */
- if (errno != EEXIST)
- fprintf (stderr, "Unable to create %s\n", dir);
- }
-
- free (dir);
-}
-
-static Display *
-open_x11 (void)
-{
- if (xdisplay != NULL)
- return xdisplay;
-
- xdisplay = XOpenDisplay (NULL);
- if (xdisplay != NULL)
- {
- verbose ("Connected to X11 display '%s'\n", DisplayString (xdisplay));
- XSetIOErrorHandler (x_io_error_handler);
- }
- return xdisplay;
-}
-
-static int
-init_x_atoms (Display *display)
-{
- static const char selection_prefix[] = "_DBUS_SESSION_BUS_SELECTION_";
- static const char address_prefix[] = "_DBUS_SESSION_BUS_ADDRESS";
- static const char pid_prefix[] = "_DBUS_SESSION_BUS_PID";
- static int init = FALSE;
- char *atom_name;
- const char *machine;
- char *user_name;
- struct passwd *user;
-
- if (init)
- return TRUE;
-
- machine = get_machine_uuid ();
- if (machine == NULL)
- return FALSE;
-
- user = getpwuid (getuid ());
- if (user == NULL)
- {
- verbose ("Could not determine user information; aborting X11 integration.\n");
- return FALSE;
- }
- user_name = xstrdup(user->pw_name);
-
- atom_name = malloc (strlen (machine) + strlen (user_name) + 2 +
- MAX (strlen (selection_prefix),
- MAX (strlen (address_prefix),
- strlen (pid_prefix))));
- if (atom_name == NULL)
- {
- verbose ("Could not create X11 atoms; aborting X11 integration.\n");
- free (user_name);
- return FALSE;
- }
-
- /* create the selection atom */
- strcpy (atom_name, selection_prefix);
- strcat (atom_name, user_name);
- strcat (atom_name, "_");
- strcat (atom_name, machine);
- selection_atom = XInternAtom (display, atom_name, FALSE);
-
- /* create the address property atom */
- strcpy (atom_name, address_prefix);
- address_atom = XInternAtom (display, atom_name, FALSE);
-
- /* create the PID property atom */
- strcpy (atom_name, pid_prefix);
- pid_atom = XInternAtom (display, atom_name, FALSE);
-
- free (atom_name);
- free (user_name);
- init = TRUE;
- return TRUE;
-}
-
-/*
- * Gets the daemon address from the X11 display.
- * Returns FALSE if there was an error. Returning
- * TRUE does not mean the address exists.
- */
-int
-x11_get_address (char **paddress, pid_t *pid, long *wid)
-{
- int result;
- Atom type;
- Window owner;
- int format;
- unsigned long items;
- unsigned long after;
- char *data;
-
- *paddress = NULL;
-
- /* locate the selection owner */
- owner = XGetSelectionOwner (xdisplay, selection_atom);
- if (owner == None)
- return TRUE; /* no owner */
- if (wid != NULL)
- *wid = (long) owner;
-
- /* get the bus address */
- result = XGetWindowProperty (xdisplay, owner, address_atom, 0, 1024, False,
- XA_STRING, &type, &format, &items, &after,
- (unsigned char **) &data);
- if (result != Success || type == None || after != 0 || data == NULL || format != 8)
- return FALSE; /* error */
-
- *paddress = xstrdup (data);
- XFree (data);
-
- /* get the PID */
- if (pid != NULL)
- {
- *pid = 0;
- result = XGetWindowProperty (xdisplay, owner, pid_atom, 0, sizeof pid, False,
- XA_CARDINAL, &type, &format, &items, &after,
- (unsigned char **) &data);
- if (result == Success && type != None && after == 0 && data != NULL && format == 32)
- *pid = (pid_t) *(long*) data;
- XFree (data);
- }
-
- return TRUE; /* success */
-}
-
-/*
- * Saves the address in the X11 display. Returns 0 on success.
- * If an error occurs, returns -1. If the selection already exists,
- * returns 1. (i.e. another daemon is already running)
- */
-static Window
-set_address_in_x11(char *address, pid_t pid)
-{
- char *current_address;
- Window wid = None;
- unsigned long pid32; /* Xlib property functions want _long_ not 32-bit for format "32" */
-
- /* lock the X11 display to make sure we're doing this atomically */
- XGrabServer (xdisplay);
-
- if (!x11_get_address (&current_address, NULL, NULL))
- {
- /* error! */
- goto out;
- }
-
- if (current_address != NULL)
- {
- /* someone saved the address in the meantime */
- free (current_address);
- goto out;
- }
-
- /* Create our window */
- wid = XCreateWindow (xdisplay, RootWindow (xdisplay, 0), -20, -20, 10, 10,
- 0, CopyFromParent, InputOnly, CopyFromParent,
- 0, NULL);
- verbose ("Created window %d\n", wid);
-
- /* Save the property in the window */
- XChangeProperty (xdisplay, wid, address_atom, XA_STRING, 8, PropModeReplace,
- (unsigned char *)address, strlen (address));
- pid32 = pid;
- XChangeProperty (xdisplay, wid, pid_atom, XA_CARDINAL, 32, PropModeReplace,
- (unsigned char *)&pid32, 1);
-
- /* Now grab the selection */
- XSetSelectionOwner (xdisplay, selection_atom, wid, CurrentTime);
-
- out:
- /* Ungrab the server to let other people use it too */
- XUngrabServer (xdisplay);
-
- /* And make sure that the ungrab gets sent to X11 */
- XFlush (xdisplay);
-
- return wid;
-}
-
-/*
- * Saves the session address in session file. Returns TRUE on
- * success, FALSE if an error occurs.
- */
-static int
-set_address_in_file (char *address, pid_t pid, Window wid)
-{
- char *session_file;
- FILE *f;
-
- ensure_session_directory ();
- session_file = get_session_file();
- if (session_file == NULL)
- return FALSE;
-
- f = fopen (session_file, "w");
- free (session_file);
- if (f == NULL)
- return FALSE; /* some kind of error */
- fprintf (f,
- "# This file allows processes on the machine with id %s using \n"
- "# display %s to find the D-Bus session bus with the below address.\n"
- "# If the DBUS_SESSION_BUS_ADDRESS environment variable is set, it will\n"
- "# be used rather than this file.\n"
- "# See \"man dbus-launch\" for more details.\n"
- "DBUS_SESSION_BUS_ADDRESS=%s\n"
- "DBUS_SESSION_BUS_PID=%ld\n"
- "DBUS_SESSION_BUS_WINDOWID=%ld\n",
- get_machine_uuid (),
- getenv ("DISPLAY"),
- address, (long)pid, (long)wid);
-
- fclose (f);
-
- return TRUE;
-}
-
-int
-x11_save_address (char *address, pid_t pid, long *wid)
-{
- Window id = set_address_in_x11 (address, pid);
- if (id != None)
- {
- if (!set_address_in_file (address, pid, id))
- return FALSE;
-
- if (wid != NULL)
- *wid = (long) id;
- return TRUE;
- }
- return FALSE;
-}
-
-int
-x11_init (void)
-{
- return open_x11 () != NULL && init_x_atoms (xdisplay);
-}
-
-void
-x11_handle_event (void)
-{
- if (xdisplay != NULL)
- {
- while (XPending (xdisplay))
- {
- XEvent ignored;
- XNextEvent (xdisplay, &ignored);
- }
- }
-}
-
-#else
-void dummy_dbus_launch_x11 (void);
-
-void dummy_dbus_launch_x11 (void) { }
-#endif
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