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/*
* Remmina - The GTK+ Remote Desktop Client
* Copyright (C) 2009-2010 Vic Lee
* Copyright (C) 2014-2023 Antenore Gatta, Giovanni Panozzo
*
* 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.
*
* In addition, as a special exception, the copyright holders give
* permission to link the code of portions of this program with the
* OpenSSL library under certain conditions as described in each
* individual source file, and distribute linked combinations
* including the two.
* You must obey the GNU General Public License in all respects
* for all of the code used other than OpenSSL. * If you modify
* file(s) with this exception, you may extend this exception to your
* version of the file(s), but you are not obligated to do so. * If you
* do not wish to do so, delete this exception statement from your
* version. * If you delete this exception statement from all source
* files in the program, then also delete it here.
*
*/
#include <gdk/gdkkeysyms.h>
#include <glib/gi18n.h>
#include <glib.h>
#include <stdlib.h>
#include <sys/wait.h>
#include <unistd.h>
#include "remmina_utils.h"
#include "remmina_ext_exec.h"
#include "remmina_public.h"
#include "remmina/remmina_trace_calls.h"
#define SPAWN_TIMEOUT 10
#define GET_OBJECT(object_name) gtk_builder_get_object(builder, object_name)
static void wait_for_child(GPid pid, gint script_retval, gpointer data)
{
PCon_Spinner *pcspinner = (PCon_Spinner*)data;
gtk_spinner_stop(GTK_SPINNER(pcspinner->spinner));
gtk_widget_destroy(GTK_WIDGET(pcspinner->dialog));
g_spawn_close_pid(pid);
/* TODO At the moment background processes will fail to start before the
* remmina connection.
* Adding a delay here could be a (not good) solution, or we should
* monitor each child opened, but it could be quit tricky and messy */
}
GtkDialog* remmina_ext_exec_new(RemminaFile* remminafile, const char *remmina_ext_exec_type)
{
TRACE_CALL(__func__);
GtkBuilder *builder;
PCon_Spinner *pcspinner;
GError *error = NULL;
char **argv;
gchar *cmd = NULL;
gchar pre[11];
gchar post[12];
GPid child_pid;
strcpy(pre, "precommand");
strcpy(post, "postcommand");
if (remmina_ext_exec_type != NULL && (
strcmp(remmina_ext_exec_type, pre) |
strcmp(remmina_ext_exec_type, post) )) {
cmd = g_strdup(remmina_file_get_string(remminafile, remmina_ext_exec_type));
g_debug("[%s] %s", remmina_ext_exec_type, cmd);
} else
return FALSE;
cmd = remmina_file_format_properties(remminafile, cmd);
g_debug("[%s] updated to: %s", remmina_ext_exec_type, cmd);
if (*cmd != 0) {
pcspinner = g_new(PCon_Spinner, 1);
builder = remmina_public_gtk_builder_new_from_resource("/org/remmina/Remmina/src/../data/ui/remmina_spinner.glade");
pcspinner->dialog = GTK_DIALOG(gtk_builder_get_object(builder, "DialogSpinner"));
pcspinner->label_pleasewait = GTK_LABEL(GET_OBJECT("label_pleasewait"));
pcspinner->spinner = GTK_WIDGET(GET_OBJECT("spinner"));
pcspinner->button_cancel = GTK_BUTTON(GET_OBJECT("button_cancel"));
/* Connect signals */
gtk_builder_connect_signals(builder, NULL);
/* Exec a predefined command */
g_shell_parse_argv(cmd, NULL, &argv, &error);
if (error) {
g_warning("%s\n", error->message);
g_error_free(error);
}
/* Consider using G_SPAWN_SEARCH_PATH_FROM_ENVP (from glib 2.38)*/
g_spawn_async( NULL, // cwd
argv, // argv
NULL, // envp
G_SPAWN_SEARCH_PATH |
G_SPAWN_SEARCH_PATH_FROM_ENVP |
G_SPAWN_DO_NOT_REAP_CHILD, // flags
NULL, // child_setup
NULL, // child_setup user data
&child_pid, // pid location
&error); // error
if (!error) {
gtk_spinner_start(GTK_SPINNER(pcspinner->spinner));
g_child_watch_add(child_pid, wait_for_child, (gpointer)pcspinner);
gtk_dialog_run(pcspinner->dialog);
}else {
g_warning("Command %s exited with error: %s\n", cmd, error->message);
g_error_free(error);
}
g_strfreev(argv);
g_free(cmd);
return (pcspinner->dialog);
}
g_free(cmd);
return FALSE;
}
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