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|
/*
* Remmina - The GTK+ Remote Desktop Client
* Copyright (C) 2010-2011 Vic Lee
* Copyright (C) 2014-2015 Antenore Gatta, Fabio Castelli, Giovanni Panozzo
* Copyright (C) 2016-2020 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 <errno.h>
#include <pthread.h>
#include "common/remmina_plugin.h"
#include <gtk/gtkx.h>
#include <time.h>
#define LIBSSH_STATIC 1
#include <libssh/libssh.h>
#include <X11/Xlib.h>
#include <X11/XKBlib.h>
#include <X11/extensions/XKBrules.h>
#include "nx_plugin.h"
#include "nx_session_manager.h"
#define REMMINA_PLUGIN_NX_FEATURE_TOOL_SENDCTRLALTDEL 1
#define REMMINA_PLUGIN_NX_FEATURE_GTKSOCKET 1
/* Forward declaration */
static RemminaProtocolPlugin remmina_plugin_nx;
RemminaPluginService *remmina_plugin_nx_service = NULL;
static gchar *remmina_kbtype = "pc102/us";
/* When more than one NX sessions is connecting in progress, we need this mutex and array
* to prevent them from stealing the same window ID.
*/
static pthread_mutex_t remmina_nx_init_mutex;
static GArray *remmina_nx_window_id_array;
/* --------- Support for execution on main thread of GTK functions -------------- */
struct onMainThread_cb_data {
enum { FUNC_GTK_SOCKET_ADD_ID } func;
GtkSocket* sk;
Window w;
/* Mutex for thread synchronization */
pthread_mutex_t mu;
/* Flag to catch cancellations */
gboolean cancelled;
};
static gboolean onMainThread_cb(struct onMainThread_cb_data *d)
{
TRACE_CALL(__func__);
if ( !d->cancelled ) {
switch ( d->func ) {
case FUNC_GTK_SOCKET_ADD_ID:
gtk_socket_add_id( d->sk, d->w );
break;
}
pthread_mutex_unlock( &d->mu );
} else {
/* Thread has been cancelled, so we must free d memory here */
g_free( d );
}
return G_SOURCE_REMOVE;
}
static void onMainThread_cleanup_handler(gpointer data)
{
TRACE_CALL(__func__);
struct onMainThread_cb_data *d = data;
d->cancelled = TRUE;
}
static void onMainThread_schedule_callback_and_wait( struct onMainThread_cb_data *d )
{
TRACE_CALL(__func__);
d->cancelled = FALSE;
pthread_cleanup_push( onMainThread_cleanup_handler, d );
pthread_mutex_init( &d->mu, NULL );
pthread_mutex_lock( &d->mu );
gdk_threads_add_idle( (GSourceFunc)onMainThread_cb, (gpointer)d );
pthread_mutex_lock( &d->mu );
pthread_cleanup_pop(0);
pthread_mutex_unlock( &d->mu );
pthread_mutex_destroy( &d->mu );
}
static void onMainThread_gtk_socket_add_id( GtkSocket* sk, Window w)
{
TRACE_CALL(__func__);
struct onMainThread_cb_data *d;
d = (struct onMainThread_cb_data *)g_malloc( sizeof(struct onMainThread_cb_data) );
d->func = FUNC_GTK_SOCKET_ADD_ID;
d->sk = sk;
d->w = w;
onMainThread_schedule_callback_and_wait( d );
g_free(d);
}
/* --------------------------------------- */
static gboolean remmina_plugin_nx_try_window_id(Window window_id)
{
TRACE_CALL(__func__);
gint i;
gboolean found = FALSE;
pthread_mutex_lock(&remmina_nx_init_mutex);
for (i = 0; i < remmina_nx_window_id_array->len; i++) {
if (g_array_index(remmina_nx_window_id_array, Window, i) == window_id) {
found = TRUE;
break;
}
}
if (!found) {
g_array_append_val(remmina_nx_window_id_array, window_id);
}
pthread_mutex_unlock(&remmina_nx_init_mutex);
return (!found);
}
static void remmina_plugin_nx_remove_window_id(Window window_id)
{
TRACE_CALL(__func__);
gint i;
gboolean found = FALSE;
pthread_mutex_lock(&remmina_nx_init_mutex);
for (i = 0; i < remmina_nx_window_id_array->len; i++) {
if (g_array_index(remmina_nx_window_id_array, Window, i) == window_id) {
found = TRUE;
break;
}
}
if (found) {
g_array_remove_index_fast(remmina_nx_window_id_array, i);
}
pthread_mutex_unlock(&remmina_nx_init_mutex);
}
static void remmina_plugin_nx_on_plug_added(GtkSocket *socket, RemminaProtocolWidget *gp)
{
TRACE_CALL(__func__);
remmina_plugin_nx_service->protocol_plugin_signal_connection_opened(gp);
}
static void remmina_plugin_nx_on_plug_removed(GtkSocket *socket, RemminaProtocolWidget *gp)
{
TRACE_CALL(__func__);
remmina_plugin_nx_service->protocol_plugin_signal_connection_closed(gp);
}
gboolean remmina_plugin_nx_ssh_auth_callback(gchar **passphrase, gpointer userdata)
{
TRACE_CALL(__func__);
RemminaProtocolWidget *gp = (RemminaProtocolWidget*)userdata;
gint ret;
/* SSH passwords must not be saved */
ret = remmina_plugin_nx_service->protocol_plugin_init_auth(gp, 0,
_("SSH credentials"), NULL,
NULL,
NULL,
_("Password for private SSH key"));
if (ret == GTK_RESPONSE_OK) {
*passphrase = remmina_plugin_nx_service->protocol_plugin_init_get_password(gp);
return TRUE;
} else
return FALSE;
}
static void remmina_plugin_nx_on_proxy_exit(GPid pid, gint status, gpointer data)
{
TRACE_CALL(__func__);
RemminaProtocolWidget *gp = (RemminaProtocolWidget*)data;
remmina_plugin_nx_service->protocol_plugin_signal_connection_closed(gp);
}
static int remmina_plugin_nx_dummy_handler(Display *dsp, XErrorEvent *err)
{
TRACE_CALL(__func__);
return 0;
}
static gboolean remmina_plugin_nx_start_create_notify(RemminaProtocolWidget *gp)
{
TRACE_CALL(__func__);
RemminaPluginNxData *gpdata = GET_PLUGIN_DATA(gp);
gpdata->display = XOpenDisplay(gdk_display_get_name(gdk_display_get_default()));
if (gpdata->display == NULL)
return FALSE;
gpdata->orig_handler = XSetErrorHandler(remmina_plugin_nx_dummy_handler);
XSelectInput(gpdata->display, XDefaultRootWindow(gpdata->display), SubstructureNotifyMask);
return TRUE;
}
static gboolean remmina_plugin_nx_monitor_create_notify(RemminaProtocolWidget *gp, const gchar *cmd)
{
TRACE_CALL(__func__);
RemminaPluginNxData *gpdata;
Atom atom;
XEvent xev;
Window w;
Atom type;
int format;
unsigned long nitems, rest;
unsigned char *data = NULL;
struct timespec ts;
CANCEL_DEFER
gpdata = GET_PLUGIN_DATA(gp);
atom = XInternAtom(gpdata->display, "WM_COMMAND", True);
if (atom == None)
return FALSE;
ts.tv_sec = 0;
ts.tv_nsec = 200000000;
while (1) {
pthread_testcancel();
while (!XPending(gpdata->display)) {
nanosleep(&ts, NULL);
continue;
}
XNextEvent(gpdata->display, &xev);
if (xev.type != CreateNotify)
continue;
w = xev.xcreatewindow.window;
if (XGetWindowProperty(gpdata->display, w, atom, 0, 255, False, AnyPropertyType, &type, &format, &nitems, &rest,
&data) != Success)
continue;
if (data && strstr((char*)data, cmd) && remmina_plugin_nx_try_window_id(w)) {
gpdata->window_id = w;
XFree(data);
break;
}
if (data)
XFree(data);
}
XSetErrorHandler(gpdata->orig_handler);
XCloseDisplay(gpdata->display);
gpdata->display = NULL;
CANCEL_ASYNC
return TRUE;
}
static gint remmina_plugin_nx_wait_signal(RemminaPluginNxData *gpdata)
{
TRACE_CALL(__func__);
fd_set set;
guchar dummy = 0;
FD_ZERO(&set);
FD_SET(gpdata->event_pipe[0], &set);
select(gpdata->event_pipe[0] + 1, &set, NULL, NULL, NULL);
if (read(gpdata->event_pipe[0], &dummy, 1)) {
}
return (gint)dummy;
}
static gboolean remmina_plugin_nx_start_session(RemminaProtocolWidget *gp)
{
TRACE_CALL(__func__);
RemminaPluginNxData *gpdata = GET_PLUGIN_DATA(gp);
RemminaFile *remminafile;
RemminaNXSession *nx;
const gchar *type, *app;
gchar *s1, *s2;
gint port;
gint ret;
gboolean is_empty_list;
gint event_type = 0;
const gchar *cs;
gint i;
gboolean disablepasswordstoring;
remminafile = remmina_plugin_nx_service->protocol_plugin_get_file(gp);
nx = gpdata->nx;
/* Connect */
remmina_nx_session_set_encryption(nx,
remmina_plugin_nx_service->file_get_int(remminafile, "disableencryption", FALSE) ? 0 : 1);
remmina_nx_session_set_localport(nx, remmina_plugin_nx_service->pref_get_sshtunnel_port());
remmina_nx_session_set_log_callback(nx, remmina_plugin_nx_service->log_printf);
s2 = remmina_plugin_nx_service->protocol_plugin_start_direct_tunnel(gp, 22, FALSE);
if (s2 == NULL) {
return FALSE;
}
remmina_plugin_nx_service->get_server_port(s2, 22, &s1, &port);
g_free(s2);
if (!remmina_nx_session_open(nx, s1, port, remmina_plugin_nx_service->file_get_string(remminafile, "nx_privatekey"),
remmina_plugin_nx_ssh_auth_callback, gp)) {
g_free(s1);
return FALSE;
}
g_free(s1);
/* Login */
s1 = g_strdup(remmina_plugin_nx_service->file_get_string(remminafile, "username"));
s2 = g_strdup(remmina_plugin_nx_service->file_get_string(remminafile, "password"));
if (s1 && s2) {
ret = remmina_nx_session_login(nx, s1, s2);
}else {
g_free(s1);
g_free(s2);
gchar *s_username, *s_password;
disablepasswordstoring = remmina_plugin_nx_service->file_get_int(remminafile, "disablepasswordstoring", FALSE);
ret = remmina_plugin_nx_service->protocol_plugin_init_auth(gp,
(disablepasswordstoring ? 0 : REMMINA_MESSAGE_PANEL_FLAG_SAVEPASSWORD) | REMMINA_MESSAGE_PANEL_FLAG_USERNAME,
_("Enter NX authentication credentials"),
remmina_plugin_nx_service->file_get_string(remminafile, "username"),
remmina_plugin_nx_service->file_get_string(remminafile, "password"),
NULL,
NULL);
if (ret == GTK_RESPONSE_OK) {
gboolean save;
s_username = remmina_plugin_nx_service->protocol_plugin_init_get_username(gp);
s_password = remmina_plugin_nx_service->protocol_plugin_init_get_password(gp);
save = remmina_plugin_nx_service->protocol_plugin_init_get_savepassword(gp);
if (save) {
remmina_plugin_nx_service->file_set_string(remminafile, "username", s_username);
remmina_plugin_nx_service->file_set_string(remminafile, "password", s_password);
} else
remmina_plugin_nx_service->file_unsave_passwords(remminafile);
} else {
return False;
}
ret = remmina_nx_session_login(nx, s_username, s_password);
g_free(s_username);
g_free(s_password);
}
g_free(s1);
g_free(s2);
if (!ret)
return FALSE;
remmina_plugin_nx_service->protocol_plugin_init_save_cred(gp);
/* Prepare the session type and application */
cs = remmina_plugin_nx_service->file_get_string(remminafile, "exec");
if (!cs || g_strcmp0(cs, "GNOME") == 0) {
type = "unix-gnome";
app = NULL;
}else
if (g_strcmp0(cs, "KDE") == 0) {
type = "unix-kde";
app = NULL;
}else
if (g_strcmp0(cs, "Xfce") == 0) {
/* NX does not know Xfce. So we simply launch the Xfce startup program. */
type = "unix-application";
app = "startxfce4";
}else
if (g_strcmp0(cs, "Shadow") == 0) {
type = "shadow";
app = NULL;
}else {
type = "unix-application";
app = cs;
}
/* List sessions */
gpdata->attach_session = (g_strcmp0(type, "shadow") == 0);
while (1) {
remmina_nx_session_add_parameter(nx, "type", type);
if (!gpdata->attach_session) {
remmina_nx_session_add_parameter(nx, "user",
remmina_plugin_nx_service->file_get_string(remminafile, "username"));
remmina_nx_session_add_parameter(nx, "status", "suspended,running");
}
if (!remmina_nx_session_list(nx)) {
return FALSE;
}
is_empty_list = !remmina_nx_session_iter_first(nx, &gpdata->iter);
if (is_empty_list && !gpdata->manager_started && !gpdata->attach_session) {
event_type = REMMINA_NX_EVENT_START;
}else {
remmina_nx_session_manager_start(gp);
event_type = remmina_plugin_nx_wait_signal(gpdata);
if (event_type == REMMINA_NX_EVENT_CANCEL) {
return FALSE;
}
if (event_type == REMMINA_NX_EVENT_TERMINATE) {
if (!is_empty_list) {
s1 = remmina_nx_session_iter_get(nx, &gpdata->iter, REMMINA_NX_SESSION_COLUMN_ID);
remmina_nx_session_add_parameter(nx, "sessionid", s1);
g_free(s1);
if (!remmina_nx_session_terminate(nx)) {
remmina_nx_session_manager_start(gp);
remmina_plugin_nx_wait_signal(gpdata);
}
}
continue;
}
}
break;
}
/* Start, Restore or Attach, based on the setting and existing session */
remmina_nx_session_add_parameter(nx, "type", type);
i = remmina_plugin_nx_service->file_get_int(remminafile, "quality", 0);
remmina_nx_session_add_parameter(nx, "link", i > 2 ? "lan" : i == 2 ? "adsl" : i == 1 ? "isdn" : "modem");
remmina_nx_session_add_parameter(nx, "geometry", "%ix%i",
remmina_plugin_nx_service->get_profile_remote_width(gp),
remmina_plugin_nx_service->get_profile_remote_height(gp));
remmina_nx_session_add_parameter(nx, "keyboard", remmina_kbtype);
remmina_nx_session_add_parameter(nx, "client", "linux");
remmina_nx_session_add_parameter(nx, "media", "0");
remmina_nx_session_add_parameter(nx, "clipboard",
remmina_plugin_nx_service->file_get_int(remminafile, "disableclipboard", FALSE) ? "none" : "both");
switch (event_type) {
case REMMINA_NX_EVENT_START:
if (app)
remmina_nx_session_add_parameter(nx, "application", app);
remmina_nx_session_add_parameter(nx, "session",
remmina_plugin_nx_service->file_get_string(remminafile, "name"));
remmina_nx_session_add_parameter(nx, "screeninfo", "%ix%ix24+render",
remmina_plugin_nx_service->file_get_int(remminafile, "resolution_width", 0),
remmina_plugin_nx_service->file_get_int(remminafile, "resolution_height", 0));
if (!remmina_nx_session_start(nx))
return FALSE;
break;
case REMMINA_NX_EVENT_ATTACH:
s1 = remmina_nx_session_iter_get(nx, &gpdata->iter, REMMINA_NX_SESSION_COLUMN_ID);
remmina_nx_session_add_parameter(nx, "id", s1);
g_free(s1);
s1 = remmina_nx_session_iter_get(nx, &gpdata->iter, REMMINA_NX_SESSION_COLUMN_DISPLAY);
remmina_nx_session_add_parameter(nx, "display", s1);
g_free(s1);
if (!remmina_nx_session_attach(nx))
return FALSE;
break;
case REMMINA_NX_EVENT_RESTORE:
s1 = remmina_nx_session_iter_get(nx, &gpdata->iter, REMMINA_NX_SESSION_COLUMN_ID);
remmina_nx_session_add_parameter(nx, "id", s1);
g_free(s1);
remmina_nx_session_add_parameter(nx, "session",
remmina_plugin_nx_service->file_get_string(remminafile, "name"));
if (!remmina_nx_session_restore(nx))
return FALSE;
break;
default:
return FALSE;
}
if (!remmina_nx_session_tunnel_open(nx))
return FALSE;
if (!remmina_plugin_nx_start_create_notify(gp))
return FALSE;
/* nxproxy */
if (!remmina_nx_session_invoke_proxy(nx, -1, remmina_plugin_nx_on_proxy_exit, gp))
return FALSE;
/* get the window id of the remote nxagent */
if (!remmina_plugin_nx_monitor_create_notify(gp, "nxagent"))
return FALSE;
/* embed it */
onMainThread_gtk_socket_add_id(GTK_SOCKET(gpdata->socket), gpdata->window_id);
return TRUE;
}
static gboolean remmina_plugin_nx_main(RemminaProtocolWidget *gp)
{
TRACE_CALL(__func__);
RemminaPluginNxData *gpdata = GET_PLUGIN_DATA(gp);
gboolean ret;
const gchar *err;
gpdata->nx = remmina_nx_session_new();
ret = remmina_plugin_nx_start_session(gp);
if (!ret) {
err = remmina_nx_session_get_error(gpdata->nx);
if (err) {
remmina_plugin_nx_service->protocol_plugin_set_error(gp, "%s", err);
}
}
gpdata->thread = 0;
return ret;
}
static gpointer remmina_plugin_nx_main_thread(gpointer data)
{
TRACE_CALL(__func__);
RemminaProtocolWidget *gp = (RemminaProtocolWidget *)data;
pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
CANCEL_ASYNC
if (!remmina_plugin_nx_main(gp)) {
remmina_plugin_nx_service->protocol_plugin_signal_connection_closed(gp);
}
return NULL;
}
static void remmina_plugin_nx_init(RemminaProtocolWidget *gp)
{
TRACE_CALL(__func__);
RemminaPluginNxData *gpdata;
gint flags;
gpdata = g_new0(RemminaPluginNxData, 1);
g_object_set_data_full(G_OBJECT(gp), "plugin-data", gpdata, g_free);
gpdata->socket = gtk_socket_new();
remmina_plugin_nx_service->protocol_plugin_register_hostkey(gp, gpdata->socket);
gtk_widget_show(gpdata->socket);
g_signal_connect(G_OBJECT(gpdata->socket), "plug-added", G_CALLBACK(remmina_plugin_nx_on_plug_added), gp);
g_signal_connect(G_OBJECT(gpdata->socket), "plug-removed", G_CALLBACK(remmina_plugin_nx_on_plug_removed), gp);
gtk_container_add(GTK_CONTAINER(gp), gpdata->socket);
if (pipe(gpdata->event_pipe)) {
g_print("Error creating pipes.\n");
gpdata->event_pipe[0] = -1;
gpdata->event_pipe[1] = -1;
}else {
flags = fcntl(gpdata->event_pipe[0], F_GETFL, 0);
fcntl(gpdata->event_pipe[0], F_SETFL, flags | O_NONBLOCK);
}
}
static gboolean remmina_plugin_nx_open_connection(RemminaProtocolWidget *gp)
{
TRACE_CALL(__func__);
RemminaPluginNxData *gpdata = GET_PLUGIN_DATA(gp);
gint width, height;
if (!remmina_plugin_nx_service->gtksocket_available()) {
remmina_plugin_nx_service->protocol_plugin_set_error(gp,
_("The protocol \"%s\" is unavailable because GtkSocket only works under X.Org."),
remmina_plugin_nx.name);
return FALSE;
}
width = remmina_plugin_nx_service->get_profile_remote_width(gp);
height = remmina_plugin_nx_service->get_profile_remote_height(gp);
remmina_plugin_nx_service->protocol_plugin_set_width(gp, width);
remmina_plugin_nx_service->protocol_plugin_set_height(gp, height);
gtk_widget_set_size_request(GTK_WIDGET(gp), width, height);
gpdata->socket_id = gtk_socket_get_id(GTK_SOCKET(gpdata->socket));
if (pthread_create(&gpdata->thread, NULL, remmina_plugin_nx_main_thread, gp)) {
remmina_plugin_nx_service->protocol_plugin_set_error(gp,
"Failed to initialize pthread. Falling back to non-thread mode…");
gpdata->thread = 0;
return FALSE;
}else {
return TRUE;
}
}
static gboolean remmina_plugin_nx_close_connection(RemminaProtocolWidget *gp)
{
TRACE_CALL(__func__);
RemminaPluginNxData *gpdata = GET_PLUGIN_DATA(gp);
if (gpdata->thread) {
pthread_cancel(gpdata->thread);
if (gpdata->thread)
pthread_join(gpdata->thread, NULL);
}
if (gpdata->session_manager_start_handler) {
g_source_remove(gpdata->session_manager_start_handler);
gpdata->session_manager_start_handler = 0;
}
if (gpdata->window_id) {
remmina_plugin_nx_remove_window_id(gpdata->window_id);
}
if (gpdata->nx) {
remmina_nx_session_free(gpdata->nx);
gpdata->nx = NULL;
}
if (gpdata->display) {
XSetErrorHandler(gpdata->orig_handler);
XCloseDisplay(gpdata->display);
gpdata->display = NULL;
}
close(gpdata->event_pipe[0]);
close(gpdata->event_pipe[1]);
remmina_plugin_nx_service->protocol_plugin_signal_connection_closed(gp);
return FALSE;
}
/* Send CTRL+ALT+DEL keys keystrokes to the plugin socket widget */
static void remmina_plugin_nx_send_ctrlaltdel(RemminaProtocolWidget *gp)
{
TRACE_CALL(__func__);
guint keys[] = { GDK_KEY_Control_L, GDK_KEY_Alt_L, GDK_KEY_Delete };
RemminaPluginNxData *gpdata = GET_PLUGIN_DATA(gp);
remmina_plugin_nx_service->protocol_plugin_send_keys_signals(gpdata->socket,
keys, G_N_ELEMENTS(keys), GDK_KEY_PRESS | GDK_KEY_RELEASE);
}
static gboolean remmina_plugin_nx_query_feature(RemminaProtocolWidget *gp, const RemminaProtocolFeature *feature)
{
TRACE_CALL(__func__);
return TRUE;
}
static void remmina_plugin_nx_call_feature(RemminaProtocolWidget *gp, const RemminaProtocolFeature *feature)
{
TRACE_CALL(__func__);
switch (feature->id) {
case REMMINA_PLUGIN_NX_FEATURE_TOOL_SENDCTRLALTDEL:
remmina_plugin_nx_send_ctrlaltdel(gp);
break;
default:
break;
}
}
/* Array of key/value pairs for quality selection */
static gpointer quality_list[] =
{
"0", N_("Poor (fastest)"),
"1", N_("Medium"),
"2", N_("Good"),
"9", N_("Best (slowest)"),
NULL
};
/* Array of RemminaProtocolSetting for basic settings.
* Each item is composed by:
* a) RemminaProtocolSettingType for setting type
* b) Setting name
* c) Setting description
* d) Compact disposition
* e) Values for REMMINA_PROTOCOL_SETTING_TYPE_SELECT or REMMINA_PROTOCOL_SETTING_TYPE_COMBO
* f) Setting tooltip
*/
static const RemminaProtocolSetting remmina_plugin_nx_basic_settings[] =
{
{ REMMINA_PROTOCOL_SETTING_TYPE_SERVER, "server", NULL, FALSE, NULL, NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_FILE, "nx_privatekey", N_("Identity file"), FALSE, NULL, NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_TEXT, "username", N_("Username"), FALSE, NULL, NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_PASSWORD, "password", N_("User password"), FALSE, NULL, NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_RESOLUTION, "resolution", NULL, FALSE, GINT_TO_POINTER(1), NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_SELECT, "quality", N_("Quality"), FALSE, quality_list, NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_COMBO, "exec", N_("Startup program"), FALSE, "GNOME,KDE,Xfce,Shadow", NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_END, NULL, NULL, FALSE, NULL, NULL }
};
/* Array of RemminaProtocolSetting for advanced settings.
* Each item is composed by:
* a) RemminaProtocolSettingType for setting type
* b) Setting name
* c) Setting description
* d) Compact disposition
* e) Values for REMMINA_PROTOCOL_SETTING_TYPE_SELECT or REMMINA_PROTOCOL_SETTING_TYPE_COMBO
* f) Setting tooltip
*/
static const RemminaProtocolSetting remmina_plugin_nx_advanced_settings[] =
{
{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK, "disableclipboard", N_("Disable clipboard sync"), FALSE, NULL, NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK, "disableencryption", N_("Disable encryption"), FALSE, NULL, NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK, "showcursor", N_("Use local cursor"), FALSE, NULL, NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_CHECK, "disablepasswordstoring", N_("Disable password storing"), FALSE, NULL, NULL },
{ REMMINA_PROTOCOL_SETTING_TYPE_END, NULL, NULL, FALSE, NULL, NULL }
};
/* Array for available features.
* The last element of the array must be REMMINA_PROTOCOL_FEATURE_TYPE_END. */
static const RemminaProtocolFeature remmina_plugin_nx_features[] =
{
{ REMMINA_PROTOCOL_FEATURE_TYPE_TOOL, REMMINA_PLUGIN_NX_FEATURE_TOOL_SENDCTRLALTDEL, N_("Send Ctrl+Alt+Delete"), NULL, NULL },
{ REMMINA_PROTOCOL_FEATURE_TYPE_GTKSOCKET, REMMINA_PLUGIN_NX_FEATURE_GTKSOCKET, NULL, NULL, NULL},
{ REMMINA_PROTOCOL_FEATURE_TYPE_END, 0, NULL, NULL, NULL }
};
/* Protocol plugin definition and features */
static RemminaProtocolPlugin remmina_plugin_nx =
{
REMMINA_PLUGIN_TYPE_PROTOCOL, // Type
"NX", // Name
N_("NX - NX Technology"), // Description
GETTEXT_PACKAGE, // Translation domain
VERSION, // Version number
"remmina-nx-symbolic", // Icon for normal connection
"remmina-nx-symbolic", // Icon for SSH connection
remmina_plugin_nx_basic_settings, // Array for basic settings
remmina_plugin_nx_advanced_settings, // Array for advanced settings
REMMINA_PROTOCOL_SSH_SETTING_TUNNEL, // SSH settings type
remmina_plugin_nx_features, // Array for available features
remmina_plugin_nx_init, // Plugin initialization
remmina_plugin_nx_open_connection, // Plugin open connection
remmina_plugin_nx_close_connection, // Plugin close connection
remmina_plugin_nx_query_feature, // Query for available features
remmina_plugin_nx_call_feature, // Call a feature
NULL, // Send a keystroke
NULL // Screenshot support unavailable
};
G_MODULE_EXPORT gboolean
remmina_plugin_entry(RemminaPluginService *service)
{
TRACE_CALL(__func__);
Display *dpy;
XkbRF_VarDefsRec vd;
gchar *s;
remmina_plugin_nx_service = service;
bindtextdomain(GETTEXT_PACKAGE, REMMINA_RUNTIME_LOCALEDIR);
bind_textdomain_codeset(GETTEXT_PACKAGE, "UTF-8");
if ((dpy = XkbOpenDisplay(NULL, NULL, NULL, NULL, NULL, NULL)) != NULL) {
if (XkbRF_GetNamesProp(dpy, NULL, &vd)) {
remmina_kbtype = g_strdup_printf("%s/%s", vd.model, vd.layout);
if (vd.layout)
XFree(vd.layout);
if (vd.model)
XFree(vd.model);
if (vd.variant)
XFree(vd.variant);
if (vd.options)
XFree(vd.options);
s = strchr(remmina_kbtype, ',');
if (s)
*s = '\0';
/* g_print("NX: Detected \"%s\" keyboard type\n", remmina_kbtype); */
}
XCloseDisplay(dpy);
}
if (!service->register_plugin((RemminaPlugin*)&remmina_plugin_nx)) {
return FALSE;
}
ssh_init();
pthread_mutex_init(&remmina_nx_init_mutex, NULL);
remmina_nx_window_id_array = g_array_new(FALSE, TRUE, sizeof(Window));
return TRUE;
}
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