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FreeRDP/client/X11/xf_client.c

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/**
* FreeRDP: A Remote Desktop Protocol Implementation
* X11 Client Interface
*
* Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
* Copyright 2013 Corey Clayton <can.of.tuna@gmail.com>
* Copyright 2014 Thincast Technologies GmbH
* Copyright 2014 Norbert Federa <norbert.federa@thincast.com>
* Copyright 2016 Armin Novak <armin.novak@thincast.com>
* Copyright 2016 Thincast Technologies GmbH
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <freerdp/config.h>
#include <winpr/assert.h>
#include <winpr/sspicli.h>
#include <float.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#ifdef WITH_XRENDER
#include <X11/extensions/Xrender.h>
#include <math.h>
#endif
#ifdef WITH_XI
#include <X11/extensions/XInput.h>
#include <X11/extensions/XInput2.h>
#endif
#ifdef WITH_XCURSOR
#include <X11/Xcursor/Xcursor.h>
#endif
#ifdef WITH_XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
#include <X11/XKBlib.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <locale.h>
#include <unistd.h>
#include <string.h>
#include <termios.h>
#include <pthread.h>
#include <sys/wait.h>
#include <sys/types.h>
#include <sys/select.h>
#include <fcntl.h>
#include <sys/stat.h>
#include <freerdp/freerdp.h>
#include <freerdp/constants.h>
#include <freerdp/codec/nsc.h>
#include <freerdp/codec/rfx.h>
#include <freerdp/codec/color.h>
#include <freerdp/codec/bitmap.h>
#include <freerdp/utils/signal.h>
#include <freerdp/utils/passphrase.h>
#include <freerdp/client/cliprdr.h>
#include <freerdp/client/channels.h>
#include <freerdp/client/file.h>
#include <freerdp/client/cmdline.h>
#include <winpr/crt.h>
#include <winpr/assert.h>
#include <winpr/synch.h>
#include <winpr/file.h>
#include <winpr/print.h>
#include <winpr/sysinfo.h>
#include <X11/XKBlib.h>
#include "xf_gdi.h"
#include "xf_rail.h"
#if defined(CHANNEL_TSMF_CLIENT)
#include "xf_tsmf.h"
#endif
#include "xf_event.h"
#include "xf_input.h"
#include "xf_cliprdr.h"
#include "xf_disp.h"
#include "xf_video.h"
#include "xf_monitor.h"
#include "xf_graphics.h"
#include "xf_keyboard.h"
#include "xf_input.h"
#include "xf_channels.h"
#include "xfreerdp.h"
#include "xf_utils.h"
#include <freerdp/log.h>
#define TAG CLIENT_TAG("x11")
#define MIN_PIXEL_DIFF 0.001
struct xf_exit_code_map_t
{
DWORD error;
int rc;
};
static const struct xf_exit_code_map_t xf_exit_code_map[] = {
{ FREERDP_ERROR_AUTHENTICATION_FAILED, XF_EXIT_AUTH_FAILURE },
{ FREERDP_ERROR_SECURITY_NEGO_CONNECT_FAILED, XF_EXIT_NEGO_FAILURE },
{ FREERDP_ERROR_CONNECT_LOGON_FAILURE, XF_EXIT_LOGON_FAILURE },
{ FREERDP_ERROR_CONNECT_ACCOUNT_LOCKED_OUT, XF_EXIT_ACCOUNT_LOCKED_OUT },
{ FREERDP_ERROR_PRE_CONNECT_FAILED, XF_EXIT_PRE_CONNECT_FAILED },
{ FREERDP_ERROR_CONNECT_UNDEFINED, XF_EXIT_CONNECT_UNDEFINED },
{ FREERDP_ERROR_POST_CONNECT_FAILED, XF_EXIT_POST_CONNECT_FAILED },
{ FREERDP_ERROR_DNS_ERROR, XF_EXIT_DNS_ERROR },
{ FREERDP_ERROR_DNS_NAME_NOT_FOUND, XF_EXIT_DNS_NAME_NOT_FOUND },
{ FREERDP_ERROR_CONNECT_FAILED, XF_EXIT_CONNECT_FAILED },
{ FREERDP_ERROR_MCS_CONNECT_INITIAL_ERROR, XF_EXIT_MCS_CONNECT_INITIAL_ERROR },
{ FREERDP_ERROR_TLS_CONNECT_FAILED, XF_EXIT_TLS_CONNECT_FAILED },
{ FREERDP_ERROR_INSUFFICIENT_PRIVILEGES, XF_EXIT_INSUFFICIENT_PRIVILEGES },
{ FREERDP_ERROR_CONNECT_CANCELLED, XF_EXIT_CONNECT_CANCELLED },
{ FREERDP_ERROR_CONNECT_TRANSPORT_FAILED, XF_EXIT_CONNECT_TRANSPORT_FAILED },
{ FREERDP_ERROR_CONNECT_PASSWORD_EXPIRED, XF_EXIT_CONNECT_PASSWORD_EXPIRED },
{ FREERDP_ERROR_CONNECT_PASSWORD_MUST_CHANGE, XF_EXIT_CONNECT_PASSWORD_MUST_CHANGE },
{ FREERDP_ERROR_CONNECT_KDC_UNREACHABLE, XF_EXIT_CONNECT_KDC_UNREACHABLE },
{ FREERDP_ERROR_CONNECT_ACCOUNT_DISABLED, XF_EXIT_CONNECT_ACCOUNT_DISABLED },
{ FREERDP_ERROR_CONNECT_PASSWORD_CERTAINLY_EXPIRED,
XF_EXIT_CONNECT_PASSWORD_CERTAINLY_EXPIRED },
{ FREERDP_ERROR_CONNECT_CLIENT_REVOKED, XF_EXIT_CONNECT_CLIENT_REVOKED },
{ FREERDP_ERROR_CONNECT_WRONG_PASSWORD, XF_EXIT_CONNECT_WRONG_PASSWORD },
{ FREERDP_ERROR_CONNECT_ACCESS_DENIED, XF_EXIT_CONNECT_ACCESS_DENIED },
{ FREERDP_ERROR_CONNECT_ACCOUNT_RESTRICTION, XF_EXIT_CONNECT_ACCOUNT_RESTRICTION },
{ FREERDP_ERROR_CONNECT_ACCOUNT_EXPIRED, XF_EXIT_CONNECT_ACCOUNT_EXPIRED },
{ FREERDP_ERROR_CONNECT_LOGON_TYPE_NOT_GRANTED, XF_EXIT_CONNECT_LOGON_TYPE_NOT_GRANTED },
{ FREERDP_ERROR_CONNECT_NO_OR_MISSING_CREDENTIALS, XF_EXIT_CONNECT_NO_OR_MISSING_CREDENTIALS }
};
static BOOL xf_setup_x11(xfContext* xfc);
static void xf_teardown_x11(xfContext* xfc);
static int xf_map_error_to_exit_code(DWORD error)
{
size_t x;
for (x = 0; x < ARRAYSIZE(xf_exit_code_map); x++)
{
const struct xf_exit_code_map_t* cur = &xf_exit_code_map[x];
if (cur->error == error)
return cur->rc;
}
return XF_EXIT_CONN_FAILED;
}
static int (*def_error_handler)(Display*, XErrorEvent*);
static int xf_error_handler_ex(Display* d, XErrorEvent* ev);
static void xf_check_extensions(xfContext* context);
static void xf_window_free(xfContext* xfc);
static BOOL xf_get_pixmap_info(xfContext* xfc);
#ifdef WITH_XRENDER
static void xf_draw_screen_scaled(xfContext* xfc, int x, int y, int w, int h)
{
XTransform transform;
Picture windowPicture;
Picture primaryPicture;
XRenderPictureAttributes pa;
XRenderPictFormat* picFormat;
double xScalingFactor;
double yScalingFactor;
int x2;
int y2;
const char* filter;
rdpSettings* settings;
WINPR_ASSERT(xfc);
settings = xfc->common.context.settings;
WINPR_ASSERT(settings);
if (xfc->scaledWidth <= 0 || xfc->scaledHeight <= 0)
{
WLog_ERR(TAG, "the current window dimensions are invalid");
return;
}
if (settings->DesktopWidth <= 0 || settings->DesktopHeight <= 0)
{
WLog_ERR(TAG, "the window dimensions are invalid");
return;
}
xScalingFactor = settings->DesktopWidth / (double)xfc->scaledWidth;
yScalingFactor = settings->DesktopHeight / (double)xfc->scaledHeight;
XSetFillStyle(xfc->display, xfc->gc, FillSolid);
XSetForeground(xfc->display, xfc->gc, 0);
/* Black out possible space between desktop and window borders */
{
XRectangle box1 = { 0, 0, xfc->window->width, xfc->window->height };
XRectangle box2 = { xfc->offset_x, xfc->offset_y, xfc->scaledWidth, xfc->scaledHeight };
Region reg1 = XCreateRegion();
Region reg2 = XCreateRegion();
XUnionRectWithRegion(&box1, reg1, reg1);
XUnionRectWithRegion(&box2, reg2, reg2);
if (XSubtractRegion(reg1, reg2, reg1) && !XEmptyRegion(reg1))
{
XSetRegion(xfc->display, xfc->gc, reg1);
XFillRectangle(xfc->display, xfc->window->handle, xfc->gc, 0, 0, xfc->window->width,
xfc->window->height);
XSetClipMask(xfc->display, xfc->gc, None);
}
XDestroyRegion(reg1);
XDestroyRegion(reg2);
}
picFormat = XRenderFindVisualFormat(xfc->display, xfc->visual);
pa.subwindow_mode = IncludeInferiors;
primaryPicture =
XRenderCreatePicture(xfc->display, xfc->primary, picFormat, CPSubwindowMode, &pa);
windowPicture =
XRenderCreatePicture(xfc->display, xfc->window->handle, picFormat, CPSubwindowMode, &pa);
/* avoid blurry filter when scaling factor is 2x, 3x, etc
* useful when the client has high-dpi monitor */
filter = FilterBilinear;
if (fabs(xScalingFactor - yScalingFactor) < MIN_PIXEL_DIFF)
{
const double inverseX = 1.0 / xScalingFactor;
const double inverseRoundedX = round(inverseX);
const double absInverse = fabs(inverseX - inverseRoundedX);
if (absInverse < MIN_PIXEL_DIFF)
filter = FilterNearest;
}
XRenderSetPictureFilter(xfc->display, primaryPicture, filter, 0, 0);
transform.matrix[0][0] = XDoubleToFixed(xScalingFactor);
transform.matrix[0][1] = XDoubleToFixed(0.0);
transform.matrix[0][2] = XDoubleToFixed(0.0);
transform.matrix[1][0] = XDoubleToFixed(0.0);
transform.matrix[1][1] = XDoubleToFixed(yScalingFactor);
transform.matrix[1][2] = XDoubleToFixed(0.0);
transform.matrix[2][0] = XDoubleToFixed(0.0);
transform.matrix[2][1] = XDoubleToFixed(0.0);
transform.matrix[2][2] = XDoubleToFixed(1.0);
/* calculate and fix up scaled coordinates */
x2 = x + w;
y2 = y + h;
x = ((int)floor(x / xScalingFactor)) - 1;
y = ((int)floor(y / yScalingFactor)) - 1;
w = ((int)ceil(x2 / xScalingFactor)) + 1 - x;
h = ((int)ceil(y2 / yScalingFactor)) + 1 - y;
XRenderSetPictureTransform(xfc->display, primaryPicture, &transform);
XRenderComposite(xfc->display, PictOpSrc, primaryPicture, 0, windowPicture, x, y, 0, 0,
xfc->offset_x + x, xfc->offset_y + y, w, h);
XRenderFreePicture(xfc->display, primaryPicture);
XRenderFreePicture(xfc->display, windowPicture);
}
BOOL xf_picture_transform_required(xfContext* xfc)
{
rdpSettings* settings;
WINPR_ASSERT(xfc);
settings = xfc->common.context.settings;
WINPR_ASSERT(settings);
if ((xfc->offset_x != 0) || (xfc->offset_y != 0) ||
(xfc->scaledWidth != (INT64)settings->DesktopWidth) ||
(xfc->scaledHeight != (INT64)settings->DesktopHeight))
{
return TRUE;
}
return FALSE;
}
#endif /* WITH_XRENDER defined */
void xf_draw_screen_(xfContext* xfc, int x, int y, int w, int h, const char* fkt, const char* file,
int line)
{
if (!xfc)
{
WLog_DBG(TAG, "called from [%s] xfc=%p", fkt, xfc);
return;
}
if (w == 0 || h == 0)
{
WLog_WARN(TAG, "invalid width and/or height specified: w=%d h=%d", w, h);
return;
}
if (!xfc->window)
{
WLog_WARN(TAG, "invalid xfc->window=%p", xfc->window);
return;
}
#ifdef WITH_XRENDER
if (xf_picture_transform_required(xfc))
{
xf_draw_screen_scaled(xfc, x, y, w, h);
return;
}
#endif
XCopyArea(xfc->display, xfc->primary, xfc->window->handle, xfc->gc, x, y, w, h, x, y);
}
static BOOL xf_desktop_resize(rdpContext* context)
{
rdpSettings* settings;
xfContext* xfc = (xfContext*)context;
WINPR_ASSERT(xfc);
settings = context->settings;
WINPR_ASSERT(settings);
if (xfc->primary)
{
BOOL same = (xfc->primary == xfc->drawing) ? TRUE : FALSE;
XFreePixmap(xfc->display, xfc->primary);
WINPR_ASSERT(xfc->depth != 0);
if (!(xfc->primary = XCreatePixmap(xfc->display, xfc->drawable, settings->DesktopWidth,
settings->DesktopHeight, xfc->depth)))
return FALSE;
if (same)
xfc->drawing = xfc->primary;
}
#ifdef WITH_XRENDER
if (!settings->SmartSizing)
{
xfc->scaledWidth = settings->DesktopWidth;
xfc->scaledHeight = settings->DesktopHeight;
}
#endif
if (!xfc->fullscreen)
{
xf_ResizeDesktopWindow(xfc, xfc->window, settings->DesktopWidth, settings->DesktopHeight);
}
else
{
#ifdef WITH_XRENDER
if (!settings->SmartSizing)
#endif
{
/* Update the saved width and height values the window will be
* resized to when toggling out of fullscreen */
xfc->savedWidth = settings->DesktopWidth;
xfc->savedHeight = settings->DesktopHeight;
}
XSetFunction(xfc->display, xfc->gc, GXcopy);
XSetFillStyle(xfc->display, xfc->gc, FillSolid);
XSetForeground(xfc->display, xfc->gc, 0);
XFillRectangle(xfc->display, xfc->drawable, xfc->gc, 0, 0, settings->DesktopWidth,
settings->DesktopHeight);
}
return TRUE;
}
static BOOL xf_paint(xfContext* xfc, const GDI_RGN* region)
{
WINPR_ASSERT(xfc);
WINPR_ASSERT(region);
if (xfc->remote_app)
{
const RECTANGLE_16 rect = { .left = region->x,
.top = region->y,
.right = region->x + region->w,
.bottom = region->y + region->h };
xf_rail_paint(xfc, &rect);
}
else
{
const BOOL sw =
freerdp_settings_get_bool(xfc->common.context.settings, FreeRDP_SoftwareGdi);
if (sw)
XPutImage(xfc->display, xfc->primary, xfc->gc, xfc->image, region->x, region->y,
region->x, region->y, region->w, region->h);
xf_draw_screen(xfc, region->x, region->y, region->w, region->h);
}
return TRUE;
}
static BOOL xf_end_paint(rdpContext* context)
{
xfContext* xfc = (xfContext*)context;
rdpGdi* gdi = context->gdi;
if (gdi->suppressOutput)
return TRUE;
const BOOL sw = freerdp_settings_get_bool(context->settings, FreeRDP_SoftwareGdi);
HGDI_DC hdc = sw ? gdi->primary->hdc : xfc->hdc;
if (!xfc->complex_regions)
{
const GDI_RGN* rgn = hdc->hwnd->invalid;
if (rgn->null)
return TRUE;
xf_lock_x11(xfc);
if (!xf_paint(xfc, rgn))
return FALSE;
xf_unlock_x11(xfc);
}
else
{
const INT32 ninvalid = hdc->hwnd->ninvalid;
const GDI_RGN* cinvalid = hdc->hwnd->cinvalid;
if (hdc->hwnd->ninvalid < 1)
return TRUE;
xf_lock_x11(xfc);
for (INT32 i = 0; i < ninvalid; i++)
{
const GDI_RGN* rgn = &cinvalid[i];
if (!xf_paint(xfc, rgn))
return FALSE;
}
XFlush(xfc->display);
xf_unlock_x11(xfc);
}
hdc->hwnd->invalid->null = TRUE;
hdc->hwnd->ninvalid = 0;
return TRUE;
}
static BOOL xf_sw_desktop_resize(rdpContext* context)
{
rdpGdi* gdi = context->gdi;
xfContext* xfc = (xfContext*)context;
rdpSettings* settings = context->settings;
BOOL ret = FALSE;
xf_lock_x11(xfc);
if (!gdi_resize(gdi, settings->DesktopWidth, settings->DesktopHeight))
goto out;
if (xfc->image)
{
xfc->image->data = NULL;
XDestroyImage(xfc->image);
}
WINPR_ASSERT(xfc->depth != 0);
if (!(xfc->image = XCreateImage(xfc->display, xfc->visual, xfc->depth, ZPixmap, 0,
(char*)gdi->primary_buffer, gdi->width, gdi->height,
xfc->scanline_pad, gdi->stride)))
{
goto out;
}
xfc->image->byte_order = LSBFirst;
xfc->image->bitmap_bit_order = LSBFirst;
ret = xf_desktop_resize(context);
out:
xf_unlock_x11(xfc);
return ret;
}
static BOOL xf_hw_desktop_resize(rdpContext* context)
{
rdpGdi* gdi;
xfContext* xfc = (xfContext*)context;
rdpSettings* settings;
BOOL ret = FALSE;
WINPR_ASSERT(xfc);
gdi = context->gdi;
WINPR_ASSERT(gdi);
settings = context->settings;
WINPR_ASSERT(settings);
xf_lock_x11(xfc);
if (!gdi_resize(gdi, settings->DesktopWidth, settings->DesktopHeight))
goto out;
ret = xf_desktop_resize(context);
out:
xf_unlock_x11(xfc);
return ret;
}
static BOOL xf_process_x_events(freerdp* instance)
{
BOOL status = TRUE;
int pending_status = 1;
xfContext* xfc = (xfContext*)instance->context;
while (pending_status)
{
xf_lock_x11(xfc);
pending_status = XPending(xfc->display);
if (pending_status)
{
XEvent xevent = { 0 };
XNextEvent(xfc->display, &xevent);
status = xf_event_process(instance, &xevent);
}
xf_unlock_x11(xfc);
if (!status)
break;
}
return status;
}
static char* xf_window_get_title(rdpSettings* settings)
{
BOOL port;
char* windowTitle;
size_t size;
char* name;
const char* prefix = "FreeRDP:";
if (!settings)
return NULL;
name = settings->ServerHostname;
if (settings->WindowTitle)
return _strdup(settings->WindowTitle);
port = (settings->ServerPort != 3389);
/* Just assume a window title is never longer than a filename... */
size = strnlen(name, MAX_PATH) + 16;
windowTitle = calloc(size, sizeof(char));
if (!windowTitle)
return NULL;
if (!port)
sprintf_s(windowTitle, size, "%s %s", prefix, name);
else
sprintf_s(windowTitle, size, "%s %s:%i", prefix, name, settings->ServerPort);
return windowTitle;
}
BOOL xf_create_window(xfContext* xfc)
{
XGCValues gcv = { 0 };
XEvent xevent = { 0 };
char* windowTitle = NULL;
WINPR_ASSERT(xfc);
rdpSettings* settings = xfc->common.context.settings;
WINPR_ASSERT(settings);
int width = settings->DesktopWidth;
int height = settings->DesktopHeight;
const XSetWindowAttributes empty = { 0 };
xfc->attribs = empty;
if (xfc->remote_app)
xfc->depth = 32;
else
xfc->depth = DefaultDepthOfScreen(xfc->screen);
XVisualInfo vinfo = { 0 };
if (XMatchVisualInfo(xfc->display, xfc->screen_number, xfc->depth, TrueColor, &vinfo))
{
Window root = XDefaultRootWindow(xfc->display);
xfc->visual = vinfo.visual;
xfc->attribs.colormap = xfc->colormap =
XCreateColormap(xfc->display, root, vinfo.visual, AllocNone);
}
else
{
if (xfc->remote_app)
{
WLog_WARN(TAG, "running in remote app mode, but XServer does not support transparency");
WLog_WARN(TAG, "display of remote applications might be distorted (black frames, ...)");
}
xfc->depth = DefaultDepthOfScreen(xfc->screen);
xfc->visual = DefaultVisual(xfc->display, xfc->screen_number);
xfc->attribs.colormap = xfc->colormap = DefaultColormap(xfc->display, xfc->screen_number);
}
/*
* Detect if the server visual has an inverted colormap
* (BGR vs RGB, or red being the least significant byte)
*/
if (vinfo.red_mask & 0xFF)
{
xfc->invert = FALSE;
}
if (!xfc->hdc)
{
if (!(xfc->hdc = gdi_CreateDC(xf_get_local_color_format(xfc, TRUE))))
return FALSE;
}
if (!xfc->remote_app)
{
xfc->attribs.background_pixel = BlackPixelOfScreen(xfc->screen);
xfc->attribs.border_pixel = WhitePixelOfScreen(xfc->screen);
xfc->attribs.backing_store = xfc->primary ? NotUseful : Always;
xfc->attribs.override_redirect = False;
xfc->attribs.bit_gravity = NorthWestGravity;
xfc->attribs.win_gravity = NorthWestGravity;
xfc->attribs_mask = CWBackPixel | CWBackingStore | CWOverrideRedirect | CWColormap |
CWBorderPixel | CWWinGravity | CWBitGravity;
#ifdef WITH_XRENDER
xfc->offset_x = 0;
xfc->offset_y = 0;
#endif
windowTitle = xf_window_get_title(settings);
if (!windowTitle)
return FALSE;
#ifdef WITH_XRENDER
if (settings->SmartSizing && !xfc->fullscreen)
{
if (settings->SmartSizingWidth)
width = settings->SmartSizingWidth;
if (settings->SmartSizingHeight)
height = settings->SmartSizingHeight;
xfc->scaledWidth = width;
xfc->scaledHeight = height;
}
#endif
xfc->window = xf_CreateDesktopWindow(xfc, windowTitle, width, height);
free(windowTitle);
if (xfc->fullscreen)
xf_SetWindowFullscreen(xfc, xfc->window, xfc->fullscreen);
xfc->unobscured = (xevent.xvisibility.state == VisibilityUnobscured);
XSetWMProtocols(xfc->display, xfc->window->handle, &(xfc->WM_DELETE_WINDOW), 1);
xfc->drawable = xfc->window->handle;
}
else
{
xfc->attribs.border_pixel = 0;
xfc->attribs.background_pixel = 0;
xfc->attribs.backing_store = xfc->primary ? NotUseful : Always;
xfc->attribs.override_redirect = False;
xfc->attribs.bit_gravity = NorthWestGravity;
xfc->attribs.win_gravity = NorthWestGravity;
xfc->attribs_mask = CWBackPixel | CWBackingStore | CWOverrideRedirect | CWColormap |
CWBorderPixel | CWWinGravity | CWBitGravity;
xfc->drawable = xf_CreateDummyWindow(xfc);
}
if (!xfc->gc)
xfc->gc = XCreateGC(xfc->display, xfc->drawable, GCGraphicsExposures, &gcv);
WINPR_ASSERT(xfc->depth != 0);
if (!xfc->primary)
xfc->primary = XCreatePixmap(xfc->display, xfc->drawable, settings->DesktopWidth,
settings->DesktopHeight, xfc->depth);
xfc->drawing = xfc->primary;
if (!xfc->bitmap_mono)
xfc->bitmap_mono = XCreatePixmap(xfc->display, xfc->drawable, 8, 8, 1);
if (!xfc->gc_mono)
xfc->gc_mono = XCreateGC(xfc->display, xfc->bitmap_mono, GCGraphicsExposures, &gcv);
XSetFunction(xfc->display, xfc->gc, GXcopy);
XSetFillStyle(xfc->display, xfc->gc, FillSolid);
XSetForeground(xfc->display, xfc->gc, BlackPixelOfScreen(xfc->screen));
XFillRectangle(xfc->display, xfc->primary, xfc->gc, 0, 0, settings->DesktopWidth,
settings->DesktopHeight);
XFlush(xfc->display);
return TRUE;
}
BOOL xf_create_image(xfContext* xfc)
{
WINPR_ASSERT(xfc);
if (!xfc->image)
{
const rdpSettings* settings = xfc->common.context.settings;
rdpGdi* cgdi = xfc->common.context.gdi;
WINPR_ASSERT(cgdi);
WINPR_ASSERT(xfc->depth != 0);
xfc->image = XCreateImage(xfc->display, xfc->visual, xfc->depth, ZPixmap, 0,
(char*)cgdi->primary_buffer, settings->DesktopWidth,
settings->DesktopHeight, xfc->scanline_pad, cgdi->stride);
xfc->image->byte_order = LSBFirst;
xfc->image->bitmap_bit_order = LSBFirst;
}
return TRUE;
}
static void xf_window_free(xfContext* xfc)
{
if (xfc->window)
{
xf_DestroyDesktopWindow(xfc, xfc->window);
xfc->window = NULL;
}
if (xfc->hdc)
{
gdi_DeleteDC(xfc->hdc);
xfc->hdc = NULL;
}
#if defined(CHANNEL_TSMF_CLIENT)
if (xfc->xv_context)
{
xf_tsmf_uninit(xfc, NULL);
xfc->xv_context = NULL;
}
#endif
if (xfc->image)
{
xfc->image->data = NULL;
XDestroyImage(xfc->image);
xfc->image = NULL;
}
if (xfc->bitmap_mono)
{
XFreePixmap(xfc->display, xfc->bitmap_mono);
xfc->bitmap_mono = 0;
}
if (xfc->gc_mono)
{
XFreeGC(xfc->display, xfc->gc_mono);
xfc->gc_mono = 0;
}
if (xfc->primary)
{
XFreePixmap(xfc->display, xfc->primary);
xfc->primary = 0;
}
if (xfc->gc)
{
XFreeGC(xfc->display, xfc->gc);
xfc->gc = 0;
}
}
void xf_toggle_fullscreen(xfContext* xfc)
{
WindowStateChangeEventArgs e;
rdpContext* context = (rdpContext*)xfc;
rdpSettings* settings = context->settings;
/*
when debugging, ungrab keyboard when toggling fullscreen
to allow keyboard usage on the debugger
*/
if (xfc->debug)
xf_ungrab(xfc);
xfc->fullscreen = (xfc->fullscreen) ? FALSE : TRUE;
xfc->decorations = (xfc->fullscreen) ? FALSE : settings->Decorations;
xf_SetWindowFullscreen(xfc, xfc->window, xfc->fullscreen);
EventArgsInit(&e, "xfreerdp");
e.state = xfc->fullscreen ? FREERDP_WINDOW_STATE_FULLSCREEN : 0;
PubSub_OnWindowStateChange(context->pubSub, context, &e);
}
void xf_lock_x11_(xfContext* xfc, const char* fkt)
{
if (!xfc->UseXThreads)
WaitForSingleObject(xfc->mutex, INFINITE);
else
XLockDisplay(xfc->display);
xfc->locked++;
WLog_VRB(TAG, "[%" PRIu32 "] from %s", xfc->locked, fkt);
}
void xf_unlock_x11_(xfContext* xfc, const char* fkt)
{
if (xfc->locked == 0)
WLog_WARN(TAG, "X11: trying to unlock although not locked!");
WLog_VRB(TAG, "[%" PRIu32 "] from %s", xfc->locked - 1, fkt);
if (!xfc->UseXThreads)
ReleaseMutex(xfc->mutex);
else
XUnlockDisplay(xfc->display);
xfc->locked--;
}
static BOOL xf_get_pixmap_info(xfContext* xfc)
{
int pf_count = 0;
XPixmapFormatValues* pfs = NULL;
WINPR_ASSERT(xfc->display);
pfs = XListPixmapFormats(xfc->display, &pf_count);
if (!pfs)
{
WLog_ERR(TAG, "XListPixmapFormats failed");
return 1;
}
WINPR_ASSERT(xfc->depth != 0);
for (int i = 0; i < pf_count; i++)
{
const XPixmapFormatValues* pf = &pfs[i];
if (pf->depth == xfc->depth)
{
xfc->scanline_pad = pf->scanline_pad;
break;
}
}
XFree(pfs);
if ((xfc->visual == NULL) || (xfc->scanline_pad == 0))
return FALSE;
return TRUE;
}
static int xf_error_handler(Display* d, XErrorEvent* ev)
{
char buf[256] = { 0 };
XGetErrorText(d, ev->error_code, buf, sizeof(buf));
WLog_ERR(TAG, "%s", buf);
winpr_log_backtrace(TAG, WLOG_ERROR, 20);
#if 0
const BOOL do_abort = TRUE;
if (do_abort)
abort();
#endif
if (def_error_handler)
return def_error_handler(d, ev);
return 0;
}
static int xf_error_handler_ex(Display* d, XErrorEvent* ev)
{
/*
* ungrab the keyboard, in case a debugger is running in
* another window. This make xf_error_handler() a potential
* debugger breakpoint.
*/
XUngrabKeyboard(d, CurrentTime);
XUngrabPointer(d, CurrentTime);
return xf_error_handler(d, ev);
}
static BOOL xf_play_sound(rdpContext* context, const PLAY_SOUND_UPDATE* play_sound)
{
xfContext* xfc = (xfContext*)context;
WINPR_UNUSED(play_sound);
XkbBell(xfc->display, None, 100, 0);
return TRUE;
}
static void xf_check_extensions(xfContext* context)
{
int xkb_opcode, xkb_event, xkb_error;
int xkb_major = XkbMajorVersion;
int xkb_minor = XkbMinorVersion;
if (XkbLibraryVersion(&xkb_major, &xkb_minor) &&
XkbQueryExtension(context->display, &xkb_opcode, &xkb_event, &xkb_error, &xkb_major,
&xkb_minor))
{
context->xkbAvailable = TRUE;
}
#ifdef WITH_XRENDER
{
int xrender_event_base;
int xrender_error_base;
if (XRenderQueryExtension(context->display, &xrender_event_base, &xrender_error_base))
{
context->xrenderAvailable = TRUE;
}
}
#endif
}
#ifdef WITH_XI
/* Input device which does NOT have the correct mapping. We must disregard */
/* this device when trying to find the input device which is the pointer. */
static const char TEST_PTR_STR[] = "Virtual core XTEST pointer";
static const size_t TEST_PTR_LEN = sizeof(TEST_PTR_STR) / sizeof(char);
#endif /* WITH_XI */
static void xf_get_x11_button_map(xfContext* xfc, unsigned char* x11_map)
{
#ifdef WITH_XI
int opcode, event, error;
XDevice* ptr_dev;
XExtensionVersion* version;
XDeviceInfo* devices1;
XIDeviceInfo* devices2;
int i, num_devices;
if (XQueryExtension(xfc->display, "XInputExtension", &opcode, &event, &error))
{
WLog_DBG(TAG, "Searching for XInput pointer device");
ptr_dev = NULL;
/* loop through every device, looking for a pointer */
version = XGetExtensionVersion(xfc->display, INAME);
if (version->major_version >= 2)
{
/* XID of pointer device using XInput version 2 */
devices2 = XIQueryDevice(xfc->display, XIAllDevices, &num_devices);
if (devices2)
{
for (i = 0; i < num_devices; ++i)
{
if ((devices2[i].use == XISlavePointer) &&
(strncmp(devices2[i].name, TEST_PTR_STR, TEST_PTR_LEN) != 0))
{
ptr_dev = XOpenDevice(xfc->display, devices2[i].deviceid);
if (ptr_dev)
break;
}
}
XIFreeDeviceInfo(devices2);
}
}
else
{
/* XID of pointer device using XInput version 1 */
devices1 = XListInputDevices(xfc->display, &num_devices);
if (devices1)
{
for (i = 0; i < num_devices; ++i)
{
if ((devices1[i].use == IsXExtensionPointer) &&
(strncmp(devices1[i].name, TEST_PTR_STR, TEST_PTR_LEN) != 0))
{
ptr_dev = XOpenDevice(xfc->display, devices1[i].id);
if (ptr_dev)
break;
}
}
XFreeDeviceList(devices1);
}
}
XFree(version);
/* get button mapping from input extension if there is a pointer device; */
/* otherwise leave unchanged. */
if (ptr_dev)
{
WLog_DBG(TAG, "Pointer device: %d", ptr_dev->device_id);
XGetDeviceButtonMapping(xfc->display, ptr_dev, x11_map, NUM_BUTTONS_MAPPED);
XCloseDevice(xfc->display, ptr_dev);
}
else
{
WLog_DBG(TAG, "No pointer device found!");
}
}
else
#endif /* WITH_XI */
{
WLog_DBG(TAG, "Get global pointer mapping (no XInput)");
XGetPointerMapping(xfc->display, x11_map, NUM_BUTTONS_MAPPED);
}
}
/* Assignment of physical (not logical) mouse buttons to wire flags. */
/* Notice that the middle button is 2 in X11, but 3 in RDP. */
static const button_map xf_button_flags[NUM_BUTTONS_MAPPED] = {
{ Button1, PTR_FLAGS_BUTTON1 },
{ Button2, PTR_FLAGS_BUTTON3 },
{ Button3, PTR_FLAGS_BUTTON2 },
{ Button4, PTR_FLAGS_WHEEL | 0x78 },
/* Negative value is 9bit twos complement */
{ Button5, PTR_FLAGS_WHEEL | PTR_FLAGS_WHEEL_NEGATIVE | (0x100 - 0x78) },
{ 6, PTR_FLAGS_HWHEEL | PTR_FLAGS_WHEEL_NEGATIVE | (0x100 - 0x78) },
{ 7, PTR_FLAGS_HWHEEL | 0x78 },
{ 8, PTR_XFLAGS_BUTTON1 },
{ 9, PTR_XFLAGS_BUTTON2 },
{ 97, PTR_XFLAGS_BUTTON1 },
{ 112, PTR_XFLAGS_BUTTON2 }
};
static UINT16 get_flags_for_button(int button)
{
size_t x;
for (x = 0; x < ARRAYSIZE(xf_button_flags); x++)
{
const button_map* map = &xf_button_flags[x];
if (map->button == button)
return map->flags;
}
return 0;
}
static void xf_button_map_init(xfContext* xfc)
{
size_t pos = 0;
/* loop counter for array initialization */
size_t physical;
/* logical mouse button which is used for each physical mouse */
/* button (indexed from zero). This is the default map. */
unsigned char x11_map[112] = { 0 };
WINPR_ASSERT(xfc);
WINPR_ASSERT(xfc->common.context.settings);
x11_map[0] = Button1;
x11_map[1] = Button2;
x11_map[2] = Button3;
x11_map[3] = Button4;
x11_map[4] = Button5;
x11_map[5] = 6;
x11_map[6] = 7;
x11_map[7] = 8;
x11_map[8] = 9;
x11_map[96] = 97;
x11_map[111] = 112;
/* query system for actual remapping */
if (xfc->common.context.settings->UnmapButtons)
{
xf_get_x11_button_map(xfc, x11_map);
}
/* iterate over all (mapped) physical buttons; for each of them */
/* find the logical button in X11, and assign to this the */
/* appropriate value to send over the RDP wire. */
for (physical = 0; physical < ARRAYSIZE(x11_map); ++physical)
{
const unsigned char logical = x11_map[physical];
const UINT16 flags = get_flags_for_button(logical);
if ((logical != 0) && (flags != 0))
{
if (pos >= NUM_BUTTONS_MAPPED)
{
WLog_ERR(TAG, "Failed to map mouse button to RDP button, no space");
}
else
{
button_map* map = &xfc->button_map[pos++];
map->button = logical;
map->flags = get_flags_for_button(physical + Button1);
}
}
}
}
/**
* Callback given to freerdp_connect() to process the pre-connect operations.
* It will fill the rdp_freerdp structure (instance) with the appropriate options to use for the
* connection.
*
* @param instance - pointer to the rdp_freerdp structure that contains the connection's parameters,
* and will be filled with the appropriate informations.
*
* @return TRUE if successful. FALSE otherwise.
* Can exit with error code XF_EXIT_PARSE_ARGUMENTS if there is an error in the parameters.
*/
static BOOL xf_pre_connect(freerdp* instance)
{
rdpChannels* channels;
rdpSettings* settings;
rdpContext* context;
xfContext* xfc;
UINT32 maxWidth = 0;
UINT32 maxHeight = 0;
WINPR_ASSERT(instance);
context = instance->context;
xfc = (xfContext*)instance->context;
WINPR_ASSERT(context);
settings = context->settings;
WINPR_ASSERT(settings);
if (!freerdp_settings_get_bool(settings, FreeRDP_AuthenticationOnly))
{
if (!xf_setup_x11(xfc))
return FALSE;
}
channels = context->channels;
WINPR_ASSERT(channels);
settings->OsMajorType = OSMAJORTYPE_UNIX;
settings->OsMinorType = OSMINORTYPE_NATIVE_XSERVER;
PubSub_SubscribeChannelConnected(context->pubSub, xf_OnChannelConnectedEventHandler);
PubSub_SubscribeChannelDisconnected(context->pubSub, xf_OnChannelDisconnectedEventHandler);
if (!settings->Username && !settings->CredentialsFromStdin && !settings->SmartcardLogon)
{
char login_name[MAX_PATH] = { 0 };
ULONG size = sizeof(login_name) - 1;
if (GetUserNameExA(NameSamCompatible, login_name, &size))
{
if (!freerdp_settings_set_string(settings, FreeRDP_Username, login_name))
return FALSE;
WLog_INFO(TAG, "No user name set. - Using login name: %s", settings->Username);
}
}
if (freerdp_settings_get_bool(settings, FreeRDP_AuthenticationOnly))
{
/* Check +auth-only has a username and password. */
if (!freerdp_settings_get_string(settings, FreeRDP_Password))
{
WLog_INFO(TAG, "auth-only, but no password set. Please provide one.");
return FALSE;
}
WLog_INFO(TAG, "Authentication only. Don't connect to X.");
}
if (!freerdp_settings_get_bool(settings, FreeRDP_AuthenticationOnly))
{
if (!xf_keyboard_init(xfc))
return FALSE;
xf_detect_monitors(xfc, &maxWidth, &maxHeight);
}
if (maxWidth && maxHeight && !freerdp_settings_get_bool(settings, FreeRDP_SmartSizing))
{
settings->DesktopWidth = maxWidth;
settings->DesktopHeight = maxHeight;
}
#ifdef WITH_XRENDER
/**
* If /f is specified in combination with /smart-sizing:widthxheight then
* we run the session in the /smart-sizing dimensions scaled to full screen
*/
if (settings->Fullscreen && settings->SmartSizing && settings->SmartSizingWidth &&
settings->SmartSizingHeight)
{
settings->DesktopWidth = settings->SmartSizingWidth;
settings->DesktopHeight = settings->SmartSizingHeight;
}
#endif
xfc->fullscreen = settings->Fullscreen;
xfc->decorations = settings->Decorations;
xfc->grab_keyboard = settings->GrabKeyboard;
xfc->fullscreen_toggle = settings->ToggleFullscreen;
if (!freerdp_settings_get_bool(settings, FreeRDP_AuthenticationOnly))
xf_button_map_init(xfc);
return TRUE;
}
static BOOL xf_inject_keypress(rdpContext* context, const char* buffer, size_t size)
{
WCHAR wbuffer[64] = { 0 };
const SSIZE_T len = ConvertUtf8NToWChar(buffer, size, wbuffer, ARRAYSIZE(wbuffer));
if (len < 0)
return FALSE;
rdpInput* input = context->input;
WINPR_ASSERT(input);
for (SSIZE_T x = 0; x < len; x++)
{
const WCHAR code = wbuffer[x];
freerdp_input_send_unicode_keyboard_event(input, 0, code);
Sleep(5);
freerdp_input_send_unicode_keyboard_event(input, KBD_FLAGS_RELEASE, code);
Sleep(5);
}
return TRUE;
}
static BOOL xf_process_pipe(rdpContext* context, const char* pipe)
{
int fd = open(pipe, O_NONBLOCK | O_RDONLY);
if (fd < 0)
{
WLog_ERR(TAG, "pipe '%s' open returned %s [%d]", pipe, strerror(errno), errno);
return FALSE;
}
while (!freerdp_shall_disconnect_context(context))
{
char buffer[64] = { 0 };
ssize_t rd = read(fd, buffer, sizeof(buffer) - 1);
if (rd == 0)
{
if ((errno == EAGAIN) || (errno == 0))
{
Sleep(100);
continue;
}
// EOF, abort reading.
WLog_ERR(TAG, "pipe '%s' read returned %s [%d]", pipe, strerror(errno), errno);
break;
}
else if (rd < 0)
{
WLog_ERR(TAG, "pipe '%s' read returned %s [%d]", pipe, strerror(errno), errno);
break;
}
else
{
if (!xf_inject_keypress(context, buffer, rd))
break;
}
}
close(fd);
return TRUE;
}
static void cleanup_pipe(int signum, const char* signame, void* context)
{
const char* pipe = context;
if (!pipe)
return;
unlink(pipe);
}
static DWORD WINAPI xf_handle_pipe(void* arg)
{
xfContext* xfc = arg;
WINPR_ASSERT(xfc);
rdpContext* context = &xfc->common.context;
WINPR_ASSERT(context);
rdpSettings* settings = context->settings;
WINPR_ASSERT(settings);
const char* pipe = freerdp_settings_get_string(settings, FreeRDP_KeyboardPipeName);
WINPR_ASSERT(pipe);
const int rc = mkfifo(pipe, S_IWUSR | S_IRUSR);
if (rc != 0)
{
WLog_ERR(TAG, "Failed to create named pipe '%s': %s [%d]", pipe, strerror(errno), errno);
return 0;
}
freerdp_add_signal_cleanup_handler(pipe, cleanup_pipe);
xf_process_pipe(context, pipe);
freerdp_del_signal_cleanup_handler(pipe, cleanup_pipe);
unlink(pipe);
return 0;
}
/**
* Callback given to freerdp_connect() to perform post-connection operations.
* It will be called only if the connection was initialized properly, and will continue the
* initialization based on the newly created connection.
*/
static BOOL xf_post_connect(freerdp* instance)
{
ResizeWindowEventArgs e = { 0 };
WINPR_ASSERT(instance);
xfContext* xfc = (xfContext*)instance->context;
rdpContext* context = instance->context;
WINPR_ASSERT(context);
rdpSettings* settings = context->settings;
WINPR_ASSERT(settings);
rdpUpdate* update = context->update;
WINPR_ASSERT(update);
if (settings->RemoteApplicationMode)
xfc->remote_app = TRUE;
if (!xf_create_window(xfc))
return FALSE;
if (!xf_get_pixmap_info(xfc))
return FALSE;
if (!gdi_init(instance, xf_get_local_color_format(xfc, TRUE)))
return FALSE;
if (!xf_create_image(xfc))
return FALSE;
if (!xf_register_pointer(context->graphics))
return FALSE;
if (!settings->SoftwareGdi)
{
if (!xf_register_graphics(context->graphics))
{
WLog_ERR(TAG, "failed to register graphics");
return FALSE;
}
xf_gdi_register_update_callbacks(update);
}
#ifdef WITH_XRENDER
xfc->scaledWidth = settings->DesktopWidth;
xfc->scaledHeight = settings->DesktopHeight;
xfc->offset_x = 0;
xfc->offset_y = 0;
#endif
if (!xfc->xrenderAvailable)
{
if (settings->SmartSizing)
{
WLog_ERR(TAG, "XRender not available: disabling smart-sizing");
settings->SmartSizing = FALSE;
}
if (settings->MultiTouchGestures)
{
WLog_ERR(TAG, "XRender not available: disabling local multi-touch gestures");
settings->MultiTouchGestures = FALSE;
}
}
if (settings->SoftwareGdi)
update->DesktopResize = xf_sw_desktop_resize;
else
update->DesktopResize = xf_hw_desktop_resize;
update->EndPaint = xf_end_paint;
update->PlaySound = xf_play_sound;
update->SetKeyboardIndicators = xf_keyboard_set_indicators;
update->SetKeyboardImeStatus = xf_keyboard_set_ime_status;
const BOOL serverIsWindowsPlatform = (settings->OsMajorType == OSMAJORTYPE_WINDOWS);
if (settings->RedirectClipboard &&
!(xfc->clipboard = xf_clipboard_new(xfc, !serverIsWindowsPlatform)))
return FALSE;
if (!(xfc->xfDisp = xf_disp_new(xfc)))
return FALSE;
const char* pipe = freerdp_settings_get_string(settings, FreeRDP_KeyboardPipeName);
if (pipe)
{
xfc->pipethread = CreateThread(NULL, 0, xf_handle_pipe, xfc, 0, NULL);
if (!xfc->pipethread)
return FALSE;
}
EventArgsInit(&e, "xfreerdp");
e.width = settings->DesktopWidth;
e.height = settings->DesktopHeight;
PubSub_OnResizeWindow(context->pubSub, xfc, &e);
return TRUE;
}
static void xf_post_disconnect(freerdp* instance)
{
xfContext* xfc;
rdpContext* context;
if (!instance || !instance->context)
return;
context = instance->context;
xfc = (xfContext*)context;
PubSub_UnsubscribeChannelConnected(instance->context->pubSub,
xf_OnChannelConnectedEventHandler);
PubSub_UnsubscribeChannelDisconnected(instance->context->pubSub,
xf_OnChannelDisconnectedEventHandler);
gdi_free(instance);
if (xfc->pipethread)
{
WaitForSingleObject(xfc->pipethread, INFINITE);
CloseHandle(xfc->pipethread);
xfc->pipethread = NULL;
}
if (xfc->clipboard)
{
xf_clipboard_free(xfc->clipboard);
xfc->clipboard = NULL;
}
if (xfc->xfDisp)
{
xf_disp_free(xfc->xfDisp);
xfc->xfDisp = NULL;
}
if ((xfc->window != NULL) && (xfc->drawable == xfc->window->handle))
xfc->drawable = 0;
else
xf_DestroyDummyWindow(xfc, xfc->drawable);
xf_window_free(xfc);
}
static void xf_post_final_disconnect(freerdp* instance)
{
xfContext* xfc;
rdpContext* context;
if (!instance || !instance->context)
return;
context = instance->context;
xfc = (xfContext*)context;
xf_keyboard_free(xfc);
xf_teardown_x11(xfc);
}
static int xf_logon_error_info(freerdp* instance, UINT32 data, UINT32 type)
{
xfContext* xfc = (xfContext*)instance->context;
const char* str_data = freerdp_get_logon_error_info_data(data);
const char* str_type = freerdp_get_logon_error_info_type(type);
WLog_INFO(TAG, "Logon Error Info %s [%s]", str_data, str_type);
if (type != LOGON_MSG_SESSION_CONTINUE)
{
xf_rail_disable_remoteapp_mode(xfc);
}
return 1;
}
static BOOL handle_window_events(freerdp* instance)
{
if (!xf_process_x_events(instance))
{
WLog_DBG(TAG, "Closed from X11");
return FALSE;
}
return TRUE;
}
/** Main loop for the rdp connection.
* It will be run from the thread's entry point (thread_func()).
* It initiates the connection, and will continue to run until the session ends,
* processing events as they are received.
*
* @param param - pointer to the rdp_freerdp structure that contains the session's settings
* @return A code from the enum XF_EXIT_CODE (0 if successful)
*/
static DWORD WINAPI xf_client_thread(LPVOID param)
{
DWORD exit_code = 0;
DWORD waitStatus = 0;
HANDLE inputEvent = NULL;
HANDLE timer = NULL;
LARGE_INTEGER due = { 0 };
TimerEventArgs timerEvent = { 0 };
EventArgsInit(&timerEvent, "xfreerdp");
freerdp* instance = (freerdp*)param;
WINPR_ASSERT(instance);
const BOOL status = freerdp_connect(instance);
rdpContext* context = instance->context;
WINPR_ASSERT(context);
xfContext* xfc = (xfContext*)instance->context;
WINPR_ASSERT(xfc);
rdpSettings* settings = context->settings;
WINPR_ASSERT(settings);
if (!status)
{
UINT32 error = freerdp_get_last_error(instance->context);
exit_code = xf_map_error_to_exit_code(error);
}
else
exit_code = XF_EXIT_SUCCESS;
if (!status)
goto end;
/* --authonly ? */
if (settings->AuthenticationOnly)
{
WLog_ERR(TAG, "Authentication only, exit status %" PRId32 "", !status);
goto disconnect;
}
if (!status)
{
WLog_ERR(TAG, "Freerdp connect error exit status %" PRId32 "", !status);
exit_code = freerdp_error_info(instance);
if (freerdp_get_last_error(instance->context) == FREERDP_ERROR_AUTHENTICATION_FAILED)
exit_code = XF_EXIT_AUTH_FAILURE;
else if (exit_code == ERRINFO_SUCCESS)
exit_code = XF_EXIT_CONN_FAILED;
goto disconnect;
}
timer = CreateWaitableTimerA(NULL, FALSE, "mainloop-periodic-timer");
if (!timer)
{
WLog_ERR(TAG, "failed to create timer");
goto disconnect;
}
due.QuadPart = 0;
if (!SetWaitableTimer(timer, &due, 20, NULL, NULL, FALSE))
{
goto disconnect;
}
inputEvent = xfc->x11event;
while (!freerdp_shall_disconnect_context(instance->context))
{
HANDLE handles[MAXIMUM_WAIT_OBJECTS] = { 0 };
DWORD nCount = 0;
handles[nCount++] = timer;
handles[nCount++] = inputEvent;
/*
* win8 and server 2k12 seem to have some timing issue/race condition
* when a initial sync request is send to sync the keyboard indicators
* sending the sync event twice fixed this problem
*/
if (freerdp_focus_required(instance))
{
xf_keyboard_focus_in(xfc);
xf_keyboard_focus_in(xfc);
}
{
DWORD tmp =
freerdp_get_event_handles(context, &handles[nCount], ARRAYSIZE(handles) - nCount);
if (tmp == 0)
{
WLog_ERR(TAG, "freerdp_get_event_handles failed");
break;
}
nCount += tmp;
}
if (xfc->window)
xf_floatbar_hide_and_show(xfc->window->floatbar);
waitStatus = WaitForMultipleObjects(nCount, handles, FALSE, INFINITE);
if (waitStatus == WAIT_FAILED)
break;
{
if (!freerdp_check_event_handles(context))
{
if (client_auto_reconnect_ex(instance, handle_window_events))
continue;
else
{
/*
* Indicate an unsuccessful connection attempt if reconnect
* did not succeed and no other error was specified.
*/
const UINT32 error = freerdp_get_last_error(instance->context);
if (freerdp_error_info(instance) == 0)
exit_code = xf_map_error_to_exit_code(error);
}
if (freerdp_get_last_error(context) == FREERDP_ERROR_SUCCESS)
WLog_ERR(TAG, "Failed to check FreeRDP file descriptor");
break;
}
}
if (!handle_window_events(instance))
break;
if ((waitStatus != WAIT_TIMEOUT) && (waitStatus == WAIT_OBJECT_0))
{
timerEvent.now = GetTickCount64();
PubSub_OnTimer(context->pubSub, context, &timerEvent);
}
}
if (!exit_code)
{
exit_code = freerdp_error_info(instance);
if (exit_code == XF_EXIT_DISCONNECT &&
freerdp_get_disconnect_ultimatum(context) == Disconnect_Ultimatum_user_requested)
{
/* This situation might be limited to Windows XP. */
WLog_INFO(TAG, "Error info says user did not initiate but disconnect ultimatum says "
"they did; treat this as a user logoff");
exit_code = XF_EXIT_LOGOFF;
}
}
disconnect:
if (timer)
CloseHandle(timer);
freerdp_disconnect(instance);
end:
ExitThread(exit_code);
return exit_code;
}
DWORD xf_exit_code_from_disconnect_reason(DWORD reason)
{
if (reason == 0 ||
(reason >= XF_EXIT_PARSE_ARGUMENTS && reason <= XF_EXIT_CONNECT_NO_OR_MISSING_CREDENTIALS))
return reason;
/* License error set */
else if (reason >= 0x100 && reason <= 0x10A)
reason -= 0x100 + XF_EXIT_LICENSE_INTERNAL;
/* RDP protocol error set */
else if (reason >= 0x10c9 && reason <= 0x1193)
reason = XF_EXIT_RDP;
/* There's no need to test protocol-independent codes: they match */
else if (!(reason <= 0xC))
reason = XF_EXIT_UNKNOWN;
return reason;
}
static void xf_TerminateEventHandler(void* context, const TerminateEventArgs* e)
{
rdpContext* ctx = (rdpContext*)context;
WINPR_UNUSED(e);
freerdp_abort_connect_context(ctx);
}
#ifdef WITH_XRENDER
static void xf_ZoomingChangeEventHandler(void* context, const ZoomingChangeEventArgs* e)
{
int w, h;
rdpSettings* settings;
xfContext* xfc = (xfContext*)context;
WINPR_ASSERT(xfc);
settings = xfc->common.context.settings;
WINPR_ASSERT(settings);
w = xfc->scaledWidth + e->dx;
h = xfc->scaledHeight + e->dy;
if (e->dx == 0 && e->dy == 0)
return;
if (w < 10)
w = 10;
if (h < 10)
h = 10;
if (w == xfc->scaledWidth && h == xfc->scaledHeight)
return;
xfc->scaledWidth = w;
xfc->scaledHeight = h;
xf_draw_screen(xfc, 0, 0, settings->DesktopWidth, settings->DesktopHeight);
}
static void xf_PanningChangeEventHandler(void* context, const PanningChangeEventArgs* e)
{
xfContext* xfc = (xfContext*)context;
rdpSettings* settings;
WINPR_ASSERT(xfc);
WINPR_ASSERT(e);
settings = xfc->common.context.settings;
WINPR_ASSERT(settings);
if (e->dx == 0 && e->dy == 0)
return;
xfc->offset_x += e->dx;
xfc->offset_y += e->dy;
xf_draw_screen(xfc, 0, 0, settings->DesktopWidth, settings->DesktopHeight);
}
#endif
/**
* Client Interface
*/
static BOOL xfreerdp_client_global_init(void)
{
setlocale(LC_ALL, "");
if (freerdp_handle_signals() != 0)
return FALSE;
return TRUE;
}
static void xfreerdp_client_global_uninit(void)
{
}
static int xfreerdp_client_start(rdpContext* context)
{
xfContext* xfc = (xfContext*)context;
rdpSettings* settings = context->settings;
if (!settings->ServerHostname)
{
WLog_ERR(TAG, "error: server hostname was not specified with /v:<server>[:port]");
return -1;
}
if (!(xfc->common.thread = CreateThread(NULL, 0, xf_client_thread, context->instance, 0, NULL)))
{
WLog_ERR(TAG, "failed to create client thread");
return -1;
}
return 0;
}
static Atom get_supported_atom(xfContext* xfc, const char* atomName)
{
unsigned long i;
const Atom atom = XInternAtom(xfc->display, atomName, False);
for (i = 0; i < xfc->supportedAtomCount; i++)
{
if (xfc->supportedAtoms[i] == atom)
return atom;
}
return None;
}
void xf_teardown_x11(xfContext* xfc)
{
WINPR_ASSERT(xfc);
if (xfc->display)
{
XCloseDisplay(xfc->display);
xfc->display = NULL;
}
if (xfc->x11event)
{
CloseHandle(xfc->x11event);
xfc->x11event = NULL;
}
if (xfc->mutex)
{
CloseHandle(xfc->mutex);
xfc->mutex = NULL;
}
if (xfc->vscreen.monitors)
{
free(xfc->vscreen.monitors);
xfc->vscreen.monitors = NULL;
}
xfc->vscreen.nmonitors = 0;
free(xfc->supportedAtoms);
xfc->supportedAtoms = NULL;
xfc->supportedAtomCount = 0;
}
BOOL xf_setup_x11(xfContext* xfc)
{
WINPR_ASSERT(xfc);
xfc->UseXThreads = TRUE;
#if !defined(NDEBUG)
/* uncomment below if debugging to prevent keyboard grap */
xfc->debug = TRUE;
#endif
if (xfc->UseXThreads)
{
if (!XInitThreads())
{
WLog_WARN(TAG, "XInitThreads() failure");
xfc->UseXThreads = FALSE;
}
}
xfc->display = XOpenDisplay(NULL);
if (!xfc->display)
{
WLog_ERR(TAG, "failed to open display: %s", XDisplayName(NULL));
WLog_ERR(TAG, "Please check that the $DISPLAY environment variable is properly set.");
goto fail;
}
if (xfc->debug)
{
WLog_INFO(TAG, "Enabling X11 debug mode.");
XSynchronize(xfc->display, TRUE);
}
def_error_handler = XSetErrorHandler(xf_error_handler_ex);
xfc->mutex = CreateMutex(NULL, FALSE, NULL);
if (!xfc->mutex)
{
WLog_ERR(TAG, "Could not create mutex!");
goto fail;
}
xfc->xfds = ConnectionNumber(xfc->display);
xfc->screen_number = DefaultScreen(xfc->display);
xfc->screen = ScreenOfDisplay(xfc->display, xfc->screen_number);
xfc->big_endian = (ImageByteOrder(xfc->display) == MSBFirst);
xfc->invert = TRUE;
xfc->complex_regions = TRUE;
xfc->_NET_SUPPORTED = XInternAtom(xfc->display, "_NET_SUPPORTED", True);
xfc->_NET_SUPPORTING_WM_CHECK = XInternAtom(xfc->display, "_NET_SUPPORTING_WM_CHECK", True);
if ((xfc->_NET_SUPPORTED != None) && (xfc->_NET_SUPPORTING_WM_CHECK != None))
{
Atom actual_type = 0;
int actual_format = 0;
unsigned long nitems = 0, after = 0;
unsigned char* data = NULL;
int status = LogTagAndXGetWindowProperty(
TAG, xfc->display, RootWindowOfScreen(xfc->screen), xfc->_NET_SUPPORTED, 0, 1024, False,
XA_ATOM, &actual_type, &actual_format, &nitems, &after, &data);
if ((status == Success) && (actual_type == XA_ATOM) && (actual_format == 32))
{
xfc->supportedAtomCount = nitems;
xfc->supportedAtoms = calloc(xfc->supportedAtomCount, sizeof(Atom));
WINPR_ASSERT(xfc->supportedAtoms);
memcpy(xfc->supportedAtoms, data, nitems * sizeof(Atom));
}
if (data)
XFree(data);
}
xfc->_XWAYLAND_MAY_GRAB_KEYBOARD =
XInternAtom(xfc->display, "_XWAYLAND_MAY_GRAB_KEYBOARD", False);
xfc->_NET_WM_ICON = XInternAtom(xfc->display, "_NET_WM_ICON", False);
xfc->_MOTIF_WM_HINTS = XInternAtom(xfc->display, "_MOTIF_WM_HINTS", False);
xfc->_NET_CURRENT_DESKTOP = XInternAtom(xfc->display, "_NET_CURRENT_DESKTOP", False);
xfc->_NET_WORKAREA = XInternAtom(xfc->display, "_NET_WORKAREA", False);
xfc->_NET_WM_STATE = get_supported_atom(xfc, "_NET_WM_STATE");
xfc->_NET_WM_STATE_FULLSCREEN = get_supported_atom(xfc, "_NET_WM_STATE_FULLSCREEN");
xfc->_NET_WM_STATE_MAXIMIZED_HORZ =
XInternAtom(xfc->display, "_NET_WM_STATE_MAXIMIZED_HORZ", False);
xfc->_NET_WM_STATE_MAXIMIZED_VERT =
XInternAtom(xfc->display, "_NET_WM_STATE_MAXIMIZED_VERT", False);
xfc->_NET_WM_FULLSCREEN_MONITORS = get_supported_atom(xfc, "_NET_WM_FULLSCREEN_MONITORS");
xfc->_NET_WM_NAME = XInternAtom(xfc->display, "_NET_WM_NAME", False);
xfc->_NET_WM_PID = XInternAtom(xfc->display, "_NET_WM_PID", False);
xfc->_NET_WM_WINDOW_TYPE = XInternAtom(xfc->display, "_NET_WM_WINDOW_TYPE", False);
xfc->_NET_WM_WINDOW_TYPE_NORMAL =
XInternAtom(xfc->display, "_NET_WM_WINDOW_TYPE_NORMAL", False);
xfc->_NET_WM_WINDOW_TYPE_DIALOG =
XInternAtom(xfc->display, "_NET_WM_WINDOW_TYPE_DIALOG", False);
xfc->_NET_WM_WINDOW_TYPE_POPUP = XInternAtom(xfc->display, "_NET_WM_WINDOW_TYPE_POPUP", False);
xfc->_NET_WM_WINDOW_TYPE_POPUP_MENU =
XInternAtom(xfc->display, "_NET_WM_WINDOW_TYPE_POPUP_MENU", False);
xfc->_NET_WM_WINDOW_TYPE_UTILITY =
XInternAtom(xfc->display, "_NET_WM_WINDOW_TYPE_UTILITY", False);
xfc->_NET_WM_WINDOW_TYPE_DROPDOWN_MENU =
XInternAtom(xfc->display, "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU", False);
xfc->_NET_WM_STATE_SKIP_TASKBAR =
XInternAtom(xfc->display, "_NET_WM_STATE_SKIP_TASKBAR", False);
xfc->_NET_WM_STATE_SKIP_PAGER = XInternAtom(xfc->display, "_NET_WM_STATE_SKIP_PAGER", False);
xfc->_NET_WM_MOVERESIZE = XInternAtom(xfc->display, "_NET_WM_MOVERESIZE", False);
xfc->_NET_MOVERESIZE_WINDOW = XInternAtom(xfc->display, "_NET_MOVERESIZE_WINDOW", False);
xfc->UTF8_STRING = XInternAtom(xfc->display, "UTF8_STRING", FALSE);
xfc->WM_PROTOCOLS = XInternAtom(xfc->display, "WM_PROTOCOLS", False);
xfc->WM_DELETE_WINDOW = XInternAtom(xfc->display, "WM_DELETE_WINDOW", False);
xfc->WM_STATE = XInternAtom(xfc->display, "WM_STATE", False);
xfc->x11event = CreateFileDescriptorEvent(NULL, FALSE, FALSE, xfc->xfds, WINPR_FD_READ);
if (!xfc->x11event)
{
WLog_ERR(TAG, "Could not create xfds event");
goto fail;
}
xf_check_extensions(xfc);
xfc->vscreen.monitors = calloc(16, sizeof(MONITOR_INFO));
if (!xfc->vscreen.monitors)
goto fail;
return TRUE;
fail:
xf_teardown_x11(xfc);
return FALSE;
}
static BOOL xfreerdp_client_new(freerdp* instance, rdpContext* context)
{
xfContext* xfc = (xfContext*)instance->context;
WINPR_ASSERT(context);
WINPR_ASSERT(xfc);
WINPR_ASSERT(!xfc->display);
WINPR_ASSERT(!xfc->mutex);
WINPR_ASSERT(!xfc->x11event);
instance->PreConnect = xf_pre_connect;
instance->PostConnect = xf_post_connect;
instance->PostDisconnect = xf_post_disconnect;
instance->PostFinalDisconnect = xf_post_final_disconnect;
instance->LogonErrorInfo = xf_logon_error_info;
instance->GetAccessToken = client_cli_get_access_token;
PubSub_SubscribeTerminate(context->pubSub, xf_TerminateEventHandler);
#ifdef WITH_XRENDER
PubSub_SubscribeZoomingChange(context->pubSub, xf_ZoomingChangeEventHandler);
PubSub_SubscribePanningChange(context->pubSub, xf_PanningChangeEventHandler);
#endif
return TRUE;
}
static void xfreerdp_client_free(freerdp* instance, rdpContext* context)
{
if (!context)
return;
PubSub_UnsubscribeTerminate(context->pubSub, xf_TerminateEventHandler);
#ifdef WITH_XRENDER
PubSub_UnsubscribeZoomingChange(context->pubSub, xf_ZoomingChangeEventHandler);
PubSub_UnsubscribePanningChange(context->pubSub, xf_PanningChangeEventHandler);
#endif
}
int RdpClientEntry(RDP_CLIENT_ENTRY_POINTS* pEntryPoints)
{
pEntryPoints->Version = 1;
pEntryPoints->Size = sizeof(RDP_CLIENT_ENTRY_POINTS_V1);
pEntryPoints->GlobalInit = xfreerdp_client_global_init;
pEntryPoints->GlobalUninit = xfreerdp_client_global_uninit;
pEntryPoints->ContextSize = sizeof(xfContext);
pEntryPoints->ClientNew = xfreerdp_client_new;
pEntryPoints->ClientFree = xfreerdp_client_free;
pEntryPoints->ClientStart = xfreerdp_client_start;
pEntryPoints->ClientStop = freerdp_client_common_stop;
return 0;
}
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