Bug 587485 – GMountOperation::show-processes support
- Add support for GMountOperation::show-processes - Implement process look up for the X11 target
This commit is contained in:
David Zeuthen
967
gtk/gtkmountoperation-x11.c
Normal file
967
gtk/gtkmountoperation-x11.c
Normal file
@ -0,0 +1,967 @@
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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* GTK - The GIMP Toolkit
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* Copyright (C) David Zeuthen <davidz@redhat.com>
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* Copyright (C) 2001 Havoc Pennington
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* Copyright (C) 2005-2007 Vincent Untz
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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/*
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* Modified by the GTK+ Team and others 1997-2000. See the AUTHORS
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* file for a list of people on the GTK+ Team. See the ChangeLog
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* files for a list of changes. These files are distributed with
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* GTK+ at ftp://ftp.gtk.org/pub/gtk/.
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*/
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#include "config.h"
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#include <string.h>
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#include <stdlib.h>
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#include <gio/gio.h>
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#include "x11/gdkx.h"
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#include <X11/Xatom.h>
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#include <gtk/gtkicontheme.h>
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#include "gtkintl.h"
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/* for the kill(2) system call and errno - POSIX.1-2001 and later */
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#include <sys/types.h>
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#include <signal.h>
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#include <errno.h>
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#include "gtkmountoperationprivate.h"
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/* ---------------------------------------------------------------------------------------------------- */
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/* these functions are based on code from libwnck (LGPLv2) */
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static gboolean get_window_list (Display *xdisplay,
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Window xwindow,
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Atom atom,
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Window **windows,
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int *len);
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static char* get_utf8_property (Display *xdisplay,
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Window xwindow,
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Atom atom);
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static gboolean get_cardinal (Display *xdisplay,
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Window xwindow,
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Atom atom,
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int *val);
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static gboolean read_rgb_icon (Display *xdisplay,
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Window xwindow,
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int ideal_width,
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int ideal_height,
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int *width,
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int *height,
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guchar **pixdata);
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static gboolean
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get_cardinal (Display *xdisplay,
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Window xwindow,
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Atom atom,
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int *val)
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{
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Atom type;
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int format;
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gulong nitems;
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gulong bytes_after;
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gulong *num;
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int err, result;
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*val = 0;
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gdk_error_trap_push ();
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type = None;
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result = XGetWindowProperty (xdisplay,
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xwindow,
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atom,
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0, G_MAXLONG,
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False, XA_CARDINAL, &type, &format, &nitems,
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&bytes_after, (void*)&num);
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XSync (xdisplay, False);
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err = gdk_error_trap_pop ();
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if (err != Success ||
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result != Success)
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return FALSE;
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if (type != XA_CARDINAL)
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{
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XFree (num);
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return FALSE;
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}
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*val = *num;
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XFree (num);
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return TRUE;
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}
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static char*
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get_utf8_property (Display *xdisplay,
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Window xwindow,
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Atom atom)
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{
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Atom type;
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int format;
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gulong nitems;
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gulong bytes_after;
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gchar *val;
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int err, result;
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char *retval;
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Atom utf8_string;
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utf8_string = gdk_x11_get_xatom_by_name ("UTF8_STRING");
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gdk_error_trap_push ();
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type = None;
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val = NULL;
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result = XGetWindowProperty (xdisplay,
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xwindow,
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atom,
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0, G_MAXLONG,
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False, utf8_string,
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&type, &format, &nitems,
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&bytes_after, (guchar **)&val);
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XSync (xdisplay, False);
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err = gdk_error_trap_pop ();
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if (err != Success ||
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result != Success)
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return NULL;
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if (type != utf8_string ||
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format != 8 ||
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nitems == 0)
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{
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if (val)
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XFree (val);
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return NULL;
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}
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if (!g_utf8_validate (val, nitems, NULL))
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{
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g_warning ("Property %s contained invalid UTF-8\n",
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gdk_x11_get_xatom_name (atom));
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XFree (val);
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return NULL;
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}
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retval = g_strndup (val, nitems);
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XFree (val);
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return retval;
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}
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static gboolean
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find_largest_sizes (gulong *data,
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gulong nitems,
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int *width,
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int *height)
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{
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*width = 0;
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*height = 0;
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while (nitems > 0)
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{
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int w, h;
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gboolean replace;
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replace = FALSE;
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if (nitems < 3)
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return FALSE; /* no space for w, h */
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w = data[0];
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h = data[1];
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if (nitems < ((w * h) + 2))
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return FALSE; /* not enough data */
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*width = MAX (w, *width);
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*height = MAX (h, *height);
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data += (w * h) + 2;
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nitems -= (w * h) + 2;
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}
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return TRUE;
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}
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static gboolean
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find_best_size (gulong *data,
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gulong nitems,
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int ideal_width,
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int ideal_height,
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int *width,
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int *height,
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gulong **start)
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{
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int best_w;
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int best_h;
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gulong *best_start;
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int max_width, max_height;
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*width = 0;
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*height = 0;
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*start = NULL;
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if (!find_largest_sizes (data, nitems, &max_width, &max_height))
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return FALSE;
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if (ideal_width < 0)
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ideal_width = max_width;
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if (ideal_height < 0)
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ideal_height = max_height;
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best_w = 0;
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best_h = 0;
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best_start = NULL;
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while (nitems > 0)
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{
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int w, h;
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gboolean replace;
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replace = FALSE;
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if (nitems < 3)
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return FALSE; /* no space for w, h */
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w = data[0];
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h = data[1];
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if (nitems < ((w * h) + 2))
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break; /* not enough data */
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if (best_start == NULL)
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{
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replace = TRUE;
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}
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else
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{
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/* work with averages */
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const int ideal_size = (ideal_width + ideal_height) / 2;
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int best_size = (best_w + best_h) / 2;
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int this_size = (w + h) / 2;
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/* larger than desired is always better than smaller */
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if (best_size < ideal_size &&
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this_size >= ideal_size)
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replace = TRUE;
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/* if we have too small, pick anything bigger */
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else if (best_size < ideal_size &&
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this_size > best_size)
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replace = TRUE;
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/* if we have too large, pick anything smaller
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* but still >= the ideal
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*/
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else if (best_size > ideal_size &&
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this_size >= ideal_size &&
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this_size < best_size)
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replace = TRUE;
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}
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if (replace)
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{
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best_start = data + 2;
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best_w = w;
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best_h = h;
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}
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data += (w * h) + 2;
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nitems -= (w * h) + 2;
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}
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if (best_start)
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{
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*start = best_start;
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*width = best_w;
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*height = best_h;
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return TRUE;
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}
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else
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return FALSE;
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}
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static void
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argbdata_to_pixdata (gulong *argb_data,
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int len,
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guchar **pixdata)
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{
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guchar *p;
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int i;
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*pixdata = g_new (guchar, len * 4);
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p = *pixdata;
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/* One could speed this up a lot. */
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i = 0;
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while (i < len)
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{
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guint argb;
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guint rgba;
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argb = argb_data[i];
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rgba = (argb << 8) | (argb >> 24);
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*p = rgba >> 24;
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++p;
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*p = (rgba >> 16) & 0xff;
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++p;
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*p = (rgba >> 8) & 0xff;
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++p;
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*p = rgba & 0xff;
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++p;
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++i;
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}
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}
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static gboolean
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read_rgb_icon (Display *xdisplay,
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Window xwindow,
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int ideal_width,
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int ideal_height,
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int *width,
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int *height,
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guchar **pixdata)
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{
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Atom type;
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int format;
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gulong nitems;
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gulong bytes_after;
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int result, err;
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gulong *data;
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gulong *best;
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int w, h;
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gdk_error_trap_push ();
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type = None;
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data = NULL;
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result = XGetWindowProperty (xdisplay,
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xwindow,
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gdk_x11_get_xatom_by_name ("_NET_WM_ICON"),
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0, G_MAXLONG,
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False, XA_CARDINAL, &type, &format, &nitems,
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&bytes_after, (void*)&data);
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XSync (xdisplay, False);
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err = gdk_error_trap_pop ();
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if (err != Success ||
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result != Success)
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return FALSE;
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if (type != XA_CARDINAL)
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{
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XFree (data);
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return FALSE;
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}
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if (!find_best_size (data, nitems,
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ideal_width, ideal_height,
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&w, &h, &best))
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{
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XFree (data);
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return FALSE;
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}
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*width = w;
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*height = h;
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argbdata_to_pixdata (best, w * h, pixdata);
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XFree (data);
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return TRUE;
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}
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static void
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free_pixels (guchar *pixels, gpointer data)
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{
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g_free (pixels);
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}
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static GdkPixbuf*
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scaled_from_pixdata (guchar *pixdata,
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int w,
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int h,
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int new_w,
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int new_h)
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{
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GdkPixbuf *src;
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GdkPixbuf *dest;
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src = gdk_pixbuf_new_from_data (pixdata,
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GDK_COLORSPACE_RGB,
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TRUE,
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8,
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w, h, w * 4,
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free_pixels,
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NULL);
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if (src == NULL)
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return NULL;
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if (w != h)
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{
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GdkPixbuf *tmp;
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int size;
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size = MAX (w, h);
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tmp = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, size, size);
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if (tmp != NULL)
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{
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gdk_pixbuf_fill (tmp, 0);
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gdk_pixbuf_copy_area (src, 0, 0, w, h,
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tmp,
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(size - w) / 2, (size - h) / 2);
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g_object_unref (src);
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src = tmp;
|
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}
|
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}
|
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|
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if (w != new_w || h != new_h)
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{
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dest = gdk_pixbuf_scale_simple (src, new_w, new_h, GDK_INTERP_BILINEAR);
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g_object_unref (G_OBJECT (src));
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}
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else
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{
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dest = src;
|
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}
|
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|
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return dest;
|
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}
|
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|
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static gboolean
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get_window_list (Display *xdisplay,
|
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Window xwindow,
|
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Atom atom,
|
||||
Window **windows,
|
||||
int *len)
|
||||
{
|
||||
Atom type;
|
||||
int format;
|
||||
gulong nitems;
|
||||
gulong bytes_after;
|
||||
Window *data;
|
||||
int err, result;
|
||||
|
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*windows = NULL;
|
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*len = 0;
|
||||
|
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gdk_error_trap_push ();
|
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type = None;
|
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result = XGetWindowProperty (xdisplay,
|
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xwindow,
|
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atom,
|
||||
0, G_MAXLONG,
|
||||
False, XA_WINDOW, &type, &format, &nitems,
|
||||
&bytes_after, (void*)&data);
|
||||
XSync (xdisplay, False);
|
||||
err = gdk_error_trap_pop ();
|
||||
|
||||
if (err != Success ||
|
||||
result != Success)
|
||||
return FALSE;
|
||||
|
||||
if (type != XA_WINDOW)
|
||||
{
|
||||
XFree (data);
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
*windows = g_new (Window, nitems);
|
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memcpy (*windows, data, sizeof (Window) * nitems);
|
||||
*len = nitems;
|
||||
|
||||
XFree (data);
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
|
||||
/* ---------------------------------------------------------------------------------------------------- */
|
||||
|
||||
struct _GtkMountOperationLookupContext
|
||||
{
|
||||
/* Hash from pid (gint) -> XID (gint)
|
||||
*
|
||||
* Note that XIDs are at most 27 bits - however, also note that sizeof(XID) == 8 on
|
||||
* x86_64 - that's just xlib brokenness. So it's safe to stuff the XID into a pointer.
|
||||
*/
|
||||
GHashTable *pid_to_window;
|
||||
GdkDisplay *display;
|
||||
};
|
||||
|
||||
GtkMountOperationLookupContext *
|
||||
_gtk_mount_operation_lookup_context_get (GdkDisplay *display)
|
||||
{
|
||||
GtkMountOperationLookupContext *context;
|
||||
Window *mapping;
|
||||
gint mapping_length;
|
||||
gint n;
|
||||
|
||||
context = g_new0 (GtkMountOperationLookupContext, 1);
|
||||
|
||||
context->pid_to_window = g_hash_table_new (g_direct_hash, g_direct_equal);
|
||||
context->display = display;
|
||||
|
||||
mapping = NULL;
|
||||
mapping_length = 0;
|
||||
get_window_list (GDK_DISPLAY_XDISPLAY (context->display),
|
||||
GDK_ROOT_WINDOW(),
|
||||
gdk_x11_get_xatom_by_name_for_display (context->display,
|
||||
"_NET_CLIENT_LIST"),
|
||||
&mapping,
|
||||
&mapping_length);
|
||||
for (n = 0; n < mapping_length; n++)
|
||||
{
|
||||
gint pid;
|
||||
|
||||
if (!get_cardinal (GDK_DISPLAY_XDISPLAY (context->display),
|
||||
mapping[n],
|
||||
gdk_x11_get_xatom_by_name_for_display (context->display,
|
||||
"_NET_WM_PID"),
|
||||
&pid))
|
||||
continue;
|
||||
|
||||
g_hash_table_insert (context->pid_to_window,
|
||||
GINT_TO_POINTER (pid),
|
||||
GINT_TO_POINTER ((gint) mapping[n]));
|
||||
}
|
||||
g_free (mapping);
|
||||
|
||||
return context;
|
||||
}
|
||||
|
||||
void
|
||||
_gtk_mount_operation_lookup_context_free (GtkMountOperationLookupContext *context)
|
||||
{
|
||||
g_hash_table_unref (context->pid_to_window);
|
||||
g_free (context);
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------------------------------------------- */
|
||||
|
||||
#ifdef __linux__
|
||||
|
||||
static GPid
|
||||
pid_get_parent (GPid pid)
|
||||
{
|
||||
GPid ppid;
|
||||
gchar **tokens;
|
||||
gchar *stat_filename;
|
||||
gchar *stat_contents;
|
||||
gsize stat_len;
|
||||
|
||||
ppid = 0;
|
||||
tokens = NULL;
|
||||
stat_contents = NULL;
|
||||
stat_filename = NULL;
|
||||
|
||||
/* fail if trying to get the parent of the init process (no such thing) */
|
||||
if (pid == 1)
|
||||
goto out;
|
||||
|
||||
stat_filename = g_strdup_printf ("/proc/%d/status", pid);
|
||||
if (g_file_get_contents (stat_filename,
|
||||
&stat_contents,
|
||||
&stat_len,
|
||||
NULL))
|
||||
{
|
||||
guint n;
|
||||
|
||||
tokens = g_strsplit (stat_contents, "\n", 0);
|
||||
|
||||
for (n = 0; tokens[n] != NULL; n++)
|
||||
{
|
||||
if (g_str_has_prefix (tokens[n], "PPid:"))
|
||||
{
|
||||
gchar *endp;
|
||||
|
||||
endp = NULL;
|
||||
ppid = strtoll (tokens[n] + sizeof "PPid:" - 1, &endp, 10);
|
||||
if (endp == NULL || *endp != '\0')
|
||||
{
|
||||
g_warning ("Error parsing contents of `%s'. Parent pid is malformed.",
|
||||
stat_filename);
|
||||
ppid = 0;
|
||||
goto out;
|
||||
}
|
||||
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
out:
|
||||
g_strfreev (tokens);
|
||||
g_free (stat_contents);
|
||||
g_free (stat_filename);
|
||||
|
||||
return ppid;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
pid_get_env (GPid pid,
|
||||
const gchar *key)
|
||||
{
|
||||
gchar *ret;
|
||||
gchar *env_filename;
|
||||
gchar *env;
|
||||
gsize env_len;
|
||||
gsize key_len;
|
||||
gchar *end;
|
||||
|
||||
ret = NULL;
|
||||
|
||||
key_len = strlen (key);
|
||||
|
||||
env_filename = g_strdup_printf ("/proc/%d/environ", pid);
|
||||
if (g_file_get_contents (env_filename,
|
||||
&env,
|
||||
&env_len,
|
||||
NULL))
|
||||
{
|
||||
guint n;
|
||||
|
||||
/* /proc/<pid>/environ in Linux is split at '\0' points, g_strsplit() can't handle that... */
|
||||
n = 0;
|
||||
while (TRUE)
|
||||
{
|
||||
if (env[n] == '\0' || n >= env_len)
|
||||
break;
|
||||
|
||||
if (g_str_has_prefix (env + n, key) && (*(env + n + key_len) == '='))
|
||||
{
|
||||
ret = g_strdup (env + n + key_len + 1);
|
||||
|
||||
/* skip invalid UTF-8 */
|
||||
if (!g_utf8_validate (ret, -1, (const gchar *) &end))
|
||||
*end = '\0';
|
||||
break;
|
||||
}
|
||||
|
||||
for (; env[n] != '\0' && n < env_len; n++)
|
||||
;
|
||||
n++;
|
||||
}
|
||||
g_free (env);
|
||||
}
|
||||
g_free (env_filename);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
pid_get_command_line (GPid pid)
|
||||
{
|
||||
gchar *cmdline_filename;
|
||||
gchar *cmdline_contents;
|
||||
gsize cmdline_len;
|
||||
guint n;
|
||||
gchar *end;
|
||||
|
||||
cmdline_contents = NULL;
|
||||
|
||||
cmdline_filename = g_strdup_printf ("/proc/%d/cmdline", pid);
|
||||
if (!g_file_get_contents (cmdline_filename,
|
||||
&cmdline_contents,
|
||||
&cmdline_len,
|
||||
NULL))
|
||||
goto out;
|
||||
|
||||
/* /proc/<pid>/cmdline separates args by NUL-bytes - replace with spaces */
|
||||
for (n = 0; n < cmdline_len - 1; n++)
|
||||
{
|
||||
if (cmdline_contents[n] == '\0')
|
||||
cmdline_contents[n] = ' ';
|
||||
}
|
||||
|
||||
/* skip invalid UTF-8 */
|
||||
if (!g_utf8_validate (cmdline_contents, -1, (const gchar *) &end))
|
||||
*end = '\0';
|
||||
|
||||
out:
|
||||
g_free (cmdline_filename);
|
||||
|
||||
return cmdline_contents;
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------------------------------------------- */
|
||||
#else
|
||||
|
||||
/* TODO: please implement for your OS - must return valid UTF-8 */
|
||||
|
||||
static GPid
|
||||
pid_get_parent (GPid pid)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
pid_get_env (GPid pid,
|
||||
const gchar *key)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static gchar *
|
||||
pid_get_command_line (GPid pid)
|
||||
{
|
||||
return NULL;
|
||||
}
|
||||
|
||||
#endif
|
||||
|
||||
/* ---------------------------------------------------------------------------------------------------- */
|
||||
|
||||
static gchar *
|
||||
get_name_for_window_with_pid (GtkMountOperationLookupContext *context,
|
||||
GPid pid)
|
||||
{
|
||||
Window window;
|
||||
Window windowid_window;
|
||||
gchar *ret;
|
||||
|
||||
ret = NULL;
|
||||
|
||||
window = GPOINTER_TO_INT (g_hash_table_lookup (context->pid_to_window, GINT_TO_POINTER (pid)));
|
||||
if (window == None)
|
||||
{
|
||||
gchar *windowid_value;
|
||||
|
||||
/* check for $WINDOWID (set by terminals) and see if we can get the title that way */
|
||||
windowid_value = pid_get_env (pid, "WINDOWID");
|
||||
if (windowid_value != NULL)
|
||||
{
|
||||
gchar *endp;
|
||||
|
||||
endp = NULL;
|
||||
windowid_window = (Window) g_ascii_strtoll (windowid_value, &endp, 10);
|
||||
if (endp != NULL || *endp == '\0')
|
||||
{
|
||||
window = windowid_window;
|
||||
}
|
||||
g_free (windowid_value);
|
||||
}
|
||||
|
||||
/* otherwise, check for parents */
|
||||
if (window == None)
|
||||
{
|
||||
do
|
||||
{
|
||||
pid = pid_get_parent (pid);
|
||||
if (pid == 0)
|
||||
break;
|
||||
|
||||
window = GPOINTER_TO_INT (g_hash_table_lookup (context->pid_to_window, GINT_TO_POINTER (pid)));
|
||||
if (window != None)
|
||||
break;
|
||||
}
|
||||
while (TRUE);
|
||||
}
|
||||
}
|
||||
|
||||
if (window != None)
|
||||
{
|
||||
ret = get_utf8_property (GDK_DISPLAY_XDISPLAY (context->display),
|
||||
window,
|
||||
gdk_x11_get_xatom_by_name_for_display (context->display,
|
||||
"_NET_WM_NAME"));
|
||||
if (ret == NULL)
|
||||
ret = get_utf8_property (GDK_DISPLAY_XDISPLAY (context->display),
|
||||
window, gdk_x11_get_xatom_by_name_for_display (context->display,
|
||||
"_NET_WM_ICON_NAME"));
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------------------------------------------- */
|
||||
|
||||
static GdkPixbuf *
|
||||
get_pixbuf_for_window_with_pid (GtkMountOperationLookupContext *context,
|
||||
GPid pid,
|
||||
gint size_pixels)
|
||||
{
|
||||
Window window;
|
||||
GdkPixbuf *ret;
|
||||
|
||||
ret = NULL;
|
||||
|
||||
window = GPOINTER_TO_INT (g_hash_table_lookup (context->pid_to_window, GINT_TO_POINTER (pid)));
|
||||
if (window == None)
|
||||
{
|
||||
/* otherwise, check for parents */
|
||||
do
|
||||
{
|
||||
pid = pid_get_parent (pid);
|
||||
if (pid == 0)
|
||||
break;
|
||||
|
||||
window = GPOINTER_TO_INT (g_hash_table_lookup (context->pid_to_window, GINT_TO_POINTER (pid)));
|
||||
if (window != None)
|
||||
break;
|
||||
}
|
||||
while (TRUE);
|
||||
}
|
||||
|
||||
if (window != None)
|
||||
{
|
||||
gint width;
|
||||
gint height;
|
||||
guchar *pixdata;
|
||||
|
||||
if (read_rgb_icon (GDK_DISPLAY_XDISPLAY (context->display),
|
||||
window,
|
||||
size_pixels, size_pixels,
|
||||
&width, &height,
|
||||
&pixdata))
|
||||
{
|
||||
/* steals pixdata */
|
||||
ret = scaled_from_pixdata (pixdata,
|
||||
width, height,
|
||||
size_pixels, size_pixels);
|
||||
}
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
/* ---------------------------------------------------------------------------------------------------- */
|
||||
|
||||
static const gchar *well_known_commands[] =
|
||||
{
|
||||
"less", N_("Terminal Pager"),
|
||||
"top", N_("Top Command"),
|
||||
"bash", N_("Bourne Again Shell"),
|
||||
"sh", N_("Bourne Shell"),
|
||||
"zsh", N_("Z Shell"),
|
||||
NULL,
|
||||
};
|
||||
|
||||
gboolean
|
||||
_gtk_mount_operation_lookup_info (GtkMountOperationLookupContext *context,
|
||||
GPid pid,
|
||||
gint size_pixels,
|
||||
gchar **out_name,
|
||||
gchar **out_command_line,
|
||||
GdkPixbuf **out_pixbuf)
|
||||
{
|
||||
g_return_val_if_fail (out_name != NULL && *out_name == NULL, FALSE);
|
||||
g_return_val_if_fail (out_command_line != NULL && *out_command_line == NULL, FALSE);
|
||||
g_return_val_if_fail (out_pixbuf != NULL && *out_pixbuf == NULL, FALSE);
|
||||
|
||||
/* We perform two different lookups for name and icon size.. this is
|
||||
* because we want the name from the window with WINDOWID and this
|
||||
* normally does not give you an icon
|
||||
*
|
||||
* (the canonical example is a tab in gnome-terminal - the shell/command running
|
||||
* in the shell will have WINDOWID set - but this window won't have an icon - so
|
||||
* we want to continue up until the gnome-terminal window so we can get that icon)
|
||||
*/
|
||||
|
||||
*out_command_line = pid_get_command_line (pid);
|
||||
|
||||
*out_name = get_name_for_window_with_pid (context, pid);
|
||||
|
||||
*out_pixbuf = get_pixbuf_for_window_with_pid (context, pid, size_pixels);
|
||||
|
||||
/* if we didn't manage to find the name via X, fall back to the basename
|
||||
* of the first element of the command line and, for maximum geek-comfort,
|
||||
* map a few well-known commands to proper translated names
|
||||
*/
|
||||
if (*out_name == NULL && *out_command_line != NULL &&
|
||||
strlen (*out_command_line) > 0 && (*out_command_line)[0] != ' ')
|
||||
{
|
||||
guint n;
|
||||
gchar *s;
|
||||
gchar *p;
|
||||
|
||||
/* find the first character after the first argument */
|
||||
s = strchr (*out_command_line, ' ');
|
||||
if (s == NULL)
|
||||
s = *out_command_line + strlen (*out_command_line);
|
||||
|
||||
for (p = s; p > *out_command_line; p--)
|
||||
{
|
||||
if (*p == '/')
|
||||
{
|
||||
p++;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
*out_name = g_strndup (p, s - p);
|
||||
|
||||
for (n = 0; well_known_commands[n] != NULL; n += 2)
|
||||
{
|
||||
/* sometimes the command is prefixed with a -, e.g. '-bash' instead
|
||||
* of 'bash' - handle that as well
|
||||
*/
|
||||
if ((strcmp (well_known_commands[n], *out_name) == 0) ||
|
||||
((*out_name)[0] == '-' && (strcmp (well_known_commands[n], (*out_name) + 1) == 0)))
|
||||
{
|
||||
g_free (*out_name);
|
||||
*out_name = g_strdup (_(well_known_commands[n+1]));
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
gboolean
|
||||
_gtk_mount_operation_kill_process (GPid pid,
|
||||
GError **error)
|
||||
{
|
||||
gboolean ret;
|
||||
|
||||
ret = TRUE;
|
||||
|
||||
if (kill ((pid_t) pid, SIGTERM) != 0)
|
||||
{
|
||||
/* TODO: On EPERM, we could use a setuid helper using polkit (very easy to implement
|
||||
* via pkexec(1)) to allow the user to e.g. authenticate to gain the authorization
|
||||
* to kill the process. But that's not how things currently work.
|
||||
*/
|
||||
|
||||
ret = FALSE;
|
||||
g_set_error (error,
|
||||
G_IO_ERROR,
|
||||
g_io_error_from_errno (errno),
|
||||
_("Cannot end process with pid %d: %s"),
|
||||
pid,
|
||||
strerror (errno));
|
||||
}
|
||||
|
||||
return ret;
|
||||
}
|
||||
Reference in New Issue
Block a user