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/*
* Copyright 2015 Javier S. Pedro <dev.git@javispedro.com>
*
* This file is part of MDock.
*
* MDock 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 3 of the License, or
* (at your option) any later version.
*
* MDock 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with MDock. If not, see <http://www.gnu.org/licenses/>.
*/
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <gdk/gdkx.h>
#include <glibtop/procuid.h>
#include <glibtop/procwd.h>
#include <string.h>
#include "app-id.h"
AppId * app_id_new()
{
return g_slice_new0(AppId);
}
AppId * app_id_create(const gchar *host, gint uid, const gchar *executable, const gchar *wm_class_class, const gchar *wm_class_name)
{
AppId *appid = g_slice_new(AppId);
appid->host = g_strdup(host);
appid->uid = uid;
appid->executable = g_strdup(executable);
appid->wm_class_class = g_strdup(wm_class_class);
appid->wm_class_name = g_strdup(wm_class_name);
}
void app_id_destroy(AppId *appid)
{
g_free(appid->host);
g_free(appid->executable);
g_free(appid->wm_class_class);
g_free(appid->wm_class_name);
g_slice_free(AppId, appid);
}
static inline guint str_hash0(const gchar *s)
{
return s ? g_str_hash(s) : 0;
}
guint app_id_hash(gconstpointer appid_pointer)
{
const AppId *appid = appid_pointer;
return str_hash0(appid->host) + appid->uid + str_hash0(appid->executable) + str_hash0(appid->wm_class_class) + str_hash0(appid->wm_class_name);
}
gboolean app_id_equal(gconstpointer ap, gconstpointer bp)
{
const AppId *a = ap, *b = bp;
return strcmp(a->host, b->host) == 0 &&
a->uid == b->uid &&
g_strcmp0(a->executable, b->executable) == 0 &&
g_strcmp0(a->wm_class_class, b->wm_class_class) == 0 &&
g_strcmp0(a->wm_class_name, b->wm_class_name) == 0;
}
static gchar *text_property_to_string(Display *dpy, XTextProperty *prop)
{
gchar *str = NULL;
char **list;
int count = 0;
if (Xutf8TextPropertyToTextList(dpy, prop, &list, &count) == Success) {
if (count > 0) {
str = g_strdup(list[0]);
}
XFreeStringList(list);
}
return str;
}
static gchar *text_property_to_lower_string(Display *dpy, XTextProperty *prop)
{
gchar *str = NULL;
char **list;
int count = 0;
if (Xutf8TextPropertyToTextList(dpy, prop, &list, &count) == Success) {
if (count > 0) {
str = g_utf8_strdown(list[0], -1);
}
XFreeStringList(list);
}
return str;
}
static gboolean is_local_host(const gchar *host) {
if (strcmp(host, "localhost") == 0) {
return TRUE;
} else if (strcmp(host, g_get_host_name()) == 0) {
return TRUE;
} else {
return FALSE;
}
}
AppId * app_id_from_window(WnckWindow *window)
{
AppId *appid = g_slice_new0(AppId);
Display *dpy = gdk_x11_display_get_xdisplay(gdk_display_get_default());
Window w = wnck_window_get_xid(window);
XTextProperty textprop;
if (XGetWMClientMachine(dpy, w, &textprop)) {
appid->host = text_property_to_lower_string(dpy, &textprop);
XFree(textprop.value);
}
pid_t pid = wnck_window_get_pid(window);
if (pid) {
glibtop_proc_uid proc_uid;
glibtop_get_proc_uid(&proc_uid, pid);
if (proc_uid.flags & (1L << GLIBTOP_PROC_UID_UID)) {
appid->uid = proc_uid.uid;
}
if (!appid->host || is_local_host(appid->host)) {
glibtop_proc_wd proc_wd;
gchar **dirs = glibtop_get_proc_wd(&proc_wd, pid);
if (proc_wd.flags & (1 << GLIBTOP_PROC_WD_EXE)) {
appid->executable = g_strdup(proc_wd.exe);
}
g_strfreev(dirs);
}
} else {
appid->uid = getuid();
appid->executable = NULL;
}
XClassHint classhint;
if (XGetClassHint(dpy, w, &classhint)) {
if (classhint.res_class) {
appid->wm_class_class = g_ascii_strdown(classhint.res_class, -1);
XFree(classhint.res_class);
}
if (classhint.res_name) {
appid->wm_class_name = g_ascii_strdown(classhint.res_name, -1);
XFree(classhint.res_name);
}
}
return appid;
}
gboolean app_id_is_local_user(AppId *appid)
{
if (appid->host && !is_local_host(appid->host)) {
return FALSE;
}
return appid->uid == getuid();
}
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