FreeRDP/client/X11/xfreerdp.c
Mike Carifio 28075f5ebb xfreerdp: add --authonly switch to xfreerdp client
Signed-off-by: Rex Tsai <chihchun@kalug.linux.org.tw>
2012-06-06 17:55:34 +08:00

1285 lines
33 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* X11 Client
*
* Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* 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 <X11/Xlib.h>
#include <X11/Xutil.h>
#ifdef WITH_XCURSOR
#include <X11/Xcursor/Xcursor.h>
#endif
#ifdef WITH_XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
#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 <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/args.h>
#include <freerdp/utils/memory.h>
#include <freerdp/utils/semaphore.h>
#include <freerdp/utils/memory.h>
#include <freerdp/utils/event.h>
#include <freerdp/utils/signal.h>
#include <freerdp/utils/passphrase.h>
#include <freerdp/plugins/cliprdr.h>
#include <freerdp/rail.h>
#include "xf_gdi.h"
#include "xf_rail.h"
#include "xf_tsmf.h"
#include "xf_event.h"
#include "xf_cliprdr.h"
#include "xf_monitor.h"
#include "xf_graphics.h"
#include "xf_keyboard.h"
#include "xfreerdp.h"
static freerdp_sem g_sem;
static int g_thread_count = 0;
static uint8 g_disconnect_reason = 0;
static long xv_port = 0;
static const size_t password_size = 512;
struct thread_data
{
freerdp* instance;
};
int xf_process_client_args(rdpSettings* settings, const char* opt, const char* val, void* user_data);
int xf_process_plugin_args(rdpSettings* settings, const char* name, RDP_PLUGIN_DATA* plugin_data, void* user_data);
void xf_context_new(freerdp* instance, rdpContext* context)
{
context->channels = freerdp_channels_new();
}
void xf_context_free(freerdp* instance, rdpContext* context)
{
}
void xf_sw_begin_paint(rdpContext* context)
{
rdpGdi* gdi = context->gdi;
gdi->primary->hdc->hwnd->invalid->null = 1;
gdi->primary->hdc->hwnd->ninvalid = 0;
}
void xf_sw_end_paint(rdpContext* context)
{
rdpGdi* gdi;
xfInfo* xfi;
sint32 x, y;
uint32 w, h;
xfi = ((xfContext*) context)->xfi;
gdi = context->gdi;
if (xfi->remote_app != true)
{
if (xfi->complex_regions != true)
{
if (gdi->primary->hdc->hwnd->invalid->null)
return;
x = gdi->primary->hdc->hwnd->invalid->x;
y = gdi->primary->hdc->hwnd->invalid->y;
w = gdi->primary->hdc->hwnd->invalid->w;
h = gdi->primary->hdc->hwnd->invalid->h;
XPutImage(xfi->display, xfi->primary, xfi->gc, xfi->image, x, y, x, y, w, h);
XCopyArea(xfi->display, xfi->primary, xfi->window->handle, xfi->gc, x, y, w, h, x, y);
}
else
{
int i;
int ninvalid;
HGDI_RGN cinvalid;
if (gdi->primary->hdc->hwnd->ninvalid < 1)
return;
ninvalid = gdi->primary->hdc->hwnd->ninvalid;
cinvalid = gdi->primary->hdc->hwnd->cinvalid;
for (i = 0; i < ninvalid; i++)
{
x = cinvalid[i].x;
y = cinvalid[i].y;
w = cinvalid[i].w;
h = cinvalid[i].h;
XPutImage(xfi->display, xfi->primary, xfi->gc, xfi->image, x, y, x, y, w, h);
XCopyArea(xfi->display, xfi->primary, xfi->window->handle, xfi->gc, x, y, w, h, x, y);
}
XFlush(xfi->display);
}
}
else
{
if (gdi->primary->hdc->hwnd->invalid->null)
return;
x = gdi->primary->hdc->hwnd->invalid->x;
y = gdi->primary->hdc->hwnd->invalid->y;
w = gdi->primary->hdc->hwnd->invalid->w;
h = gdi->primary->hdc->hwnd->invalid->h;
xf_rail_paint(xfi, context->rail, x, y, x + w - 1, y + h - 1);
}
}
void xf_sw_desktop_resize(rdpContext* context)
{
xfInfo* xfi;
rdpSettings* settings;
xfi = ((xfContext*) context)->xfi;
settings = xfi->instance->settings;
if (xfi->fullscreen != true)
{
rdpGdi* gdi = context->gdi;
gdi_resize(gdi, xfi->width, xfi->height);
if (xfi->image)
{
xfi->image->data = NULL;
XDestroyImage(xfi->image);
xfi->image = XCreateImage(xfi->display, xfi->visual, xfi->depth, ZPixmap, 0,
(char*) gdi->primary_buffer, gdi->width, gdi->height, xfi->scanline_pad, 0);
}
}
}
void xf_hw_begin_paint(rdpContext* context)
{
xfInfo* xfi;
xfi = ((xfContext*) context)->xfi;
xfi->hdc->hwnd->invalid->null = 1;
xfi->hdc->hwnd->ninvalid = 0;
}
void xf_hw_end_paint(rdpContext* context)
{
xfInfo* xfi;
sint32 x, y;
uint32 w, h;
xfi = ((xfContext*) context)->xfi;
if (xfi->remote_app)
{
if (xfi->hdc->hwnd->invalid->null)
return;
x = xfi->hdc->hwnd->invalid->x;
y = xfi->hdc->hwnd->invalid->y;
w = xfi->hdc->hwnd->invalid->w;
h = xfi->hdc->hwnd->invalid->h;
xf_rail_paint(xfi, context->rail, x, y, x + w - 1, y + h - 1);
}
}
void xf_hw_desktop_resize(rdpContext* context)
{
xfInfo* xfi;
boolean same;
rdpSettings* settings;
xfi = ((xfContext*) context)->xfi;
settings = xfi->instance->settings;
if (xfi->fullscreen != true)
{
xfi->width = settings->width;
xfi->height = settings->height;
if (xfi->window)
xf_ResizeDesktopWindow(xfi, xfi->window, settings->width, settings->height);
if (xfi->primary)
{
same = (xfi->primary == xfi->drawing) ? true : false;
XFreePixmap(xfi->display, xfi->primary);
xfi->primary = XCreatePixmap(xfi->display, xfi->drawable,
xfi->width, xfi->height, xfi->depth);
if (same)
xfi->drawing = xfi->primary;
}
}
}
boolean xf_get_fds(freerdp* instance, void** rfds, int* rcount, void** wfds, int* wcount)
{
xfInfo* xfi = ((xfContext*) instance->context)->xfi;
rfds[*rcount] = (void*)(long)(xfi->xfds);
(*rcount)++;
return true;
}
boolean xf_process_x_events(freerdp* instance)
{
XEvent xevent;
xfInfo* xfi = ((xfContext*) instance->context)->xfi;
while (XPending(xfi->display))
{
memset(&xevent, 0, sizeof(xevent));
XNextEvent(xfi->display, &xevent);
if (xf_event_process(instance, &xevent) != true)
return false;
}
return true;
}
void xf_create_window(xfInfo* xfi)
{
XEvent xevent;
char* win_title;
int width, height;
width = xfi->width;
height = xfi->height;
xfi->attribs.background_pixel = BlackPixelOfScreen(xfi->screen);
xfi->attribs.border_pixel = WhitePixelOfScreen(xfi->screen);
xfi->attribs.backing_store = xfi->primary ? NotUseful : Always;
xfi->attribs.override_redirect = xfi->fullscreen;
xfi->attribs.colormap = xfi->colormap;
xfi->attribs.bit_gravity = ForgetGravity;
xfi->attribs.win_gravity = StaticGravity;
if (xfi->instance->settings->window_title != NULL)
{
win_title = xstrdup(xfi->instance->settings->window_title);
}
else if (xfi->instance->settings->port == 3389)
{
win_title = xmalloc(1 + sizeof("FreeRDP: ") + strlen(xfi->instance->settings->hostname));
sprintf(win_title, "FreeRDP: %s", xfi->instance->settings->hostname);
}
else
{
win_title = xmalloc(1 + sizeof("FreeRDP: ") + strlen(xfi->instance->settings->hostname) + sizeof(":00000"));
sprintf(win_title, "FreeRDP: %s:%i", xfi->instance->settings->hostname, xfi->instance->settings->port);
}
xfi->window = xf_CreateDesktopWindow(xfi, win_title, width, height, xfi->decorations);
xfree(win_title);
if (xfi->fullscreen)
xf_SetWindowFullscreen(xfi, xfi->window, xfi->fullscreen);
xfi->unobscured = (xevent.xvisibility.state == VisibilityUnobscured);
XSetWMProtocols(xfi->display, xfi->window->handle, &(xfi->WM_DELETE_WINDOW), 1);
xfi->drawable = xfi->window->handle;
}
void xf_toggle_fullscreen(xfInfo* xfi)
{
Pixmap contents = 0;
contents = XCreatePixmap(xfi->display, xfi->window->handle, xfi->width, xfi->height, xfi->depth);
XCopyArea(xfi->display, xfi->primary, contents, xfi->gc, 0, 0, xfi->width, xfi->height, 0, 0);
XDestroyWindow(xfi->display, xfi->window->handle);
xfi->fullscreen = (xfi->fullscreen) ? false : true;
xf_create_window(xfi);
XCopyArea(xfi->display, contents, xfi->primary, xfi->gc, 0, 0, xfi->width, xfi->height, 0, 0);
XFreePixmap(xfi->display, contents);
}
boolean xf_get_pixmap_info(xfInfo* xfi)
{
int i;
int vi_count;
int pf_count;
XVisualInfo* vi;
XVisualInfo* vis;
XVisualInfo template;
XPixmapFormatValues* pf;
XPixmapFormatValues* pfs;
XWindowAttributes window_attributes;
pfs = XListPixmapFormats(xfi->display, &pf_count);
if (pfs == NULL)
{
printf("xf_get_pixmap_info: XListPixmapFormats failed\n");
return 1;
}
for (i = 0; i < pf_count; i++)
{
pf = pfs + i;
if (pf->depth == xfi->depth)
{
xfi->bpp = pf->bits_per_pixel;
xfi->scanline_pad = pf->scanline_pad;
break;
}
}
XFree(pfs);
memset(&template, 0, sizeof(template));
template.class = TrueColor;
template.screen = xfi->screen_number;
if (XGetWindowAttributes(xfi->display, RootWindowOfScreen(xfi->screen), &window_attributes) == 0)
{
printf("xf_get_pixmap_info: XGetWindowAttributes failed\n");
return false;
}
vis = XGetVisualInfo(xfi->display, VisualClassMask | VisualScreenMask, &template, &vi_count);
if (vis == NULL)
{
printf("xf_get_pixmap_info: XGetVisualInfo failed\n");
return false;
}
vi = NULL;
for (i = 0; i < vi_count; i++)
{
vi = vis + i;
if (vi->visual == window_attributes.visual)
{
xfi->visual = vi->visual;
break;
}
}
if (vi)
{
/*
* Detect if the server visual has an inverted colormap
* (BGR vs RGB, or red being the least significant byte)
*/
if (vi->red_mask & 0xFF)
{
xfi->clrconv->invert = true;
}
}
XFree(vis);
if ((xfi->visual == NULL) || (xfi->scanline_pad == 0))
{
return false;
}
return true;
}
static int (*_def_error_handler)(Display*, XErrorEvent*);
int xf_error_handler(Display* d, XErrorEvent* ev)
{
char buf[256];
int do_abort = true;
XGetErrorText(d, ev->error_code, buf, sizeof(buf));
printf("%s", buf);
if (do_abort)
abort();
_def_error_handler(d, ev);
return false;
}
int _xf_error_handler(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);
return xf_error_handler(d, ev);
}
/**
* Callback given to freerdp_connect() to process the pre-connect operations.
* It will parse the command line parameters given to xfreerdp (using freerdp_parse_args())
* and 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.
*/
boolean xf_pre_connect(freerdp* instance)
{
xfInfo* xfi;
boolean bitmap_cache;
rdpSettings* settings;
int arg_parse_result;
xfi = (xfInfo*) xzalloc(sizeof(xfInfo));
((xfContext*) instance->context)->xfi = xfi;
xfi->_context = instance->context;
xfi->context = (xfContext*) instance->context;
xfi->context->settings = instance->settings;
xfi->instance = instance;
arg_parse_result = freerdp_parse_args(instance->settings, instance->context->argc,instance->context->argv,
xf_process_plugin_args, instance->context->channels, xf_process_client_args, xfi);
if (arg_parse_result < 0)
{
if (arg_parse_result == FREERDP_ARGS_PARSE_FAILURE)
fprintf(stderr, "%s:%d: failed to parse arguments.\n", __FILE__, __LINE__);
exit(XF_EXIT_PARSE_ARGUMENTS);
}
settings = instance->settings;
bitmap_cache = settings->bitmap_cache;
settings->os_major_type = OSMAJORTYPE_UNIX;
settings->os_minor_type = OSMINORTYPE_NATIVE_XSERVER;
settings->order_support[NEG_DSTBLT_INDEX] = true;
settings->order_support[NEG_PATBLT_INDEX] = true;
settings->order_support[NEG_SCRBLT_INDEX] = true;
settings->order_support[NEG_OPAQUE_RECT_INDEX] = true;
settings->order_support[NEG_DRAWNINEGRID_INDEX] = false;
settings->order_support[NEG_MULTIDSTBLT_INDEX] = false;
settings->order_support[NEG_MULTIPATBLT_INDEX] = false;
settings->order_support[NEG_MULTISCRBLT_INDEX] = false;
settings->order_support[NEG_MULTIOPAQUERECT_INDEX] = true;
settings->order_support[NEG_MULTI_DRAWNINEGRID_INDEX] = false;
settings->order_support[NEG_LINETO_INDEX] = true;
settings->order_support[NEG_POLYLINE_INDEX] = true;
settings->order_support[NEG_MEMBLT_INDEX] = bitmap_cache;
settings->order_support[NEG_MEM3BLT_INDEX] = (settings->sw_gdi) ? true : false;
settings->order_support[NEG_MEMBLT_V2_INDEX] = bitmap_cache;
settings->order_support[NEG_MEM3BLT_V2_INDEX] = false;
settings->order_support[NEG_SAVEBITMAP_INDEX] = false;
settings->order_support[NEG_GLYPH_INDEX_INDEX] = true;
settings->order_support[NEG_FAST_INDEX_INDEX] = true;
settings->order_support[NEG_FAST_GLYPH_INDEX] = true;
settings->order_support[NEG_POLYGON_SC_INDEX] = (settings->sw_gdi) ? false : true;
settings->order_support[NEG_POLYGON_CB_INDEX] = (settings->sw_gdi) ? false : true;
settings->order_support[NEG_ELLIPSE_SC_INDEX] = false;
settings->order_support[NEG_ELLIPSE_CB_INDEX] = false;
freerdp_channels_pre_connect(xfi->_context->channels, instance);
if (settings->authentication_only) {
/* Check --authonly has a username and password. */
if (settings->username == NULL ) {
fprintf(stderr, "--authonly, but no -u username. Please provide one.\n");
exit(1);
}
if (settings->password == NULL ) {
fprintf(stderr, "--authonly, but no -p password. Please provide one.\n");
exit(1);
}
fprintf(stderr, "%s:%d: Authenication only. Don't connect to X.\n", __FILE__, __LINE__);
// Avoid XWindows initialization and configuration below.
return true;
}
xfi->display = XOpenDisplay(NULL);
if (xfi->display == NULL)
{
printf("xf_pre_connect: failed to open display: %s\n", XDisplayName(NULL));
printf("Please check that the $DISPLAY environment variable is properly set.\n");
return false;
}
if (xfi->debug)
{
printf("Enabling X11 debug mode.\n");
XSynchronize(xfi->display, true);
_def_error_handler = XSetErrorHandler(_xf_error_handler);
}
xfi->_NET_WM_ICON = XInternAtom(xfi->display, "_NET_WM_ICON", False);
xfi->_MOTIF_WM_HINTS = XInternAtom(xfi->display, "_MOTIF_WM_HINTS", False);
xfi->_NET_CURRENT_DESKTOP = XInternAtom(xfi->display, "_NET_CURRENT_DESKTOP", False);
xfi->_NET_WORKAREA = XInternAtom(xfi->display, "_NET_WORKAREA", False);
xfi->_NET_WM_STATE = XInternAtom(xfi->display, "_NET_WM_STATE", False);
xfi->_NET_WM_STATE_FULLSCREEN = XInternAtom(xfi->display, "_NET_WM_STATE_FULLSCREEN", False);
xfi->_NET_WM_WINDOW_TYPE = XInternAtom(xfi->display, "_NET_WM_WINDOW_TYPE", False);
xfi->_NET_WM_WINDOW_TYPE_NORMAL = XInternAtom(xfi->display, "_NET_WM_WINDOW_TYPE_NORMAL", False);
xfi->_NET_WM_WINDOW_TYPE_DIALOG = XInternAtom(xfi->display, "_NET_WM_WINDOW_TYPE_DIALOG", False);
xfi->_NET_WM_WINDOW_TYPE_POPUP= XInternAtom(xfi->display, "_NET_WM_WINDOW_TYPE_POPUP", False);
xfi->_NET_WM_WINDOW_TYPE_UTILITY = XInternAtom(xfi->display, "_NET_WM_WINDOW_TYPE_UTILITY", False);
xfi->_NET_WM_WINDOW_TYPE_DROPDOWN_MENU = XInternAtom(xfi->display, "_NET_WM_WINDOW_TYPE_DROPDOWN_MENU", False);
xfi->_NET_WM_STATE_SKIP_TASKBAR = XInternAtom(xfi->display, "_NET_WM_STATE_SKIP_TASKBAR", False);
xfi->_NET_WM_STATE_SKIP_PAGER = XInternAtom(xfi->display, "_NET_WM_STATE_SKIP_PAGER", False);
xfi->_NET_WM_MOVERESIZE = XInternAtom(xfi->display, "_NET_WM_MOVERESIZE", False);
xfi->_NET_MOVERESIZE_WINDOW = XInternAtom(xfi->display, "_NET_MOVERESIZE_WINDOW", False);
xfi->WM_PROTOCOLS = XInternAtom(xfi->display, "WM_PROTOCOLS", False);
xfi->WM_DELETE_WINDOW = XInternAtom(xfi->display, "WM_DELETE_WINDOW", False);
xf_kbd_init(xfi);
xfi->clrconv = freerdp_clrconv_new(CLRCONV_ALPHA);
instance->context->cache = cache_new(instance->settings);
xfi->xfds = ConnectionNumber(xfi->display);
xfi->screen_number = DefaultScreen(xfi->display);
xfi->screen = ScreenOfDisplay(xfi->display, xfi->screen_number);
xfi->depth = DefaultDepthOfScreen(xfi->screen);
xfi->big_endian = (ImageByteOrder(xfi->display) == MSBFirst);
xfi->mouse_motion = settings->mouse_motion;
xfi->complex_regions = true;
xfi->decorations = settings->decorations;
xfi->fullscreen = settings->fullscreen;
xfi->grab_keyboard = settings->grab_keyboard;
xfi->fullscreen_toggle = true;
xfi->sw_gdi = settings->sw_gdi;
xfi->parent_window = (Window) settings->parent_window_xid;
xf_detect_monitors(xfi, settings);
return true;
}
void cpuid(unsigned info, unsigned *eax, unsigned *ebx, unsigned *ecx, unsigned *edx)
{
#ifdef __GNUC__
#if defined(__i386__) || defined(__x86_64__)
__asm volatile
(
/* The EBX (or RBX register on x86_64) is used for the PIC base address
and must not be corrupted by our inline assembly. */
#if defined(__i386__)
"mov %%ebx, %%esi;"
"cpuid;"
"xchg %%ebx, %%esi;"
#else
"mov %%rbx, %%rsi;"
"cpuid;"
"xchg %%rbx, %%rsi;"
#endif
: "=a" (*eax), "=S" (*ebx), "=c" (*ecx), "=d" (*edx)
: "0" (info)
);
#endif
#endif
}
uint32 xf_detect_cpu()
{
unsigned int eax, ebx, ecx, edx = 0;
uint32 cpu_opt = 0;
cpuid(1, &eax, &ebx, &ecx, &edx);
if (edx & (1<<26))
{
DEBUG("SSE2 detected");
cpu_opt |= CPU_SSE2;
}
return cpu_opt;
}
/**
* 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.
*/
boolean xf_post_connect(freerdp* instance)
{
#ifdef WITH_SSE2
uint32 cpu;
#endif
xfInfo* xfi;
XGCValues gcv;
rdpCache* cache;
rdpChannels* channels;
RFX_CONTEXT* rfx_context = NULL;
NSC_CONTEXT* nsc_context = NULL;
xfi = ((xfContext*) instance->context)->xfi;
cache = instance->context->cache;
channels = xfi->_context->channels;
if (xf_get_pixmap_info(xfi) != true)
return false;
xf_register_graphics(instance->context->graphics);
if (xfi->sw_gdi)
{
rdpGdi* gdi;
uint32 flags;
flags = CLRCONV_ALPHA;
if (xfi->bpp > 16)
flags |= CLRBUF_32BPP;
else
flags |= CLRBUF_16BPP;
gdi_init(instance, flags, NULL);
gdi = instance->context->gdi;
xfi->primary_buffer = gdi->primary_buffer;
rfx_context = gdi->rfx_context;
}
else
{
xfi->srcBpp = instance->settings->color_depth;
xf_gdi_register_update_callbacks(instance->update);
xfi->hdc = gdi_CreateDC(xfi->clrconv, xfi->bpp);
if (instance->settings->rfx_codec)
{
rfx_context = (void*) rfx_context_new();
xfi->rfx_context = rfx_context;
}
if (instance->settings->ns_codec)
{
nsc_context = (void*) nsc_context_new();
xfi->nsc_context = nsc_context;
}
}
#ifdef WITH_SSE2
/* detect only if needed */
cpu = xf_detect_cpu();
if (rfx_context)
rfx_context_set_cpu_opt(rfx_context, cpu);
if (nsc_context)
nsc_context_set_cpu_opt(nsc_context, cpu);
#endif
xfi->width = instance->settings->width;
xfi->height = instance->settings->height;
xf_create_window(xfi);
memset(&gcv, 0, sizeof(gcv));
xfi->modifier_map = XGetModifierMapping(xfi->display);
xfi->gc = XCreateGC(xfi->display, xfi->drawable, GCGraphicsExposures, &gcv);
xfi->primary = XCreatePixmap(xfi->display, xfi->drawable, xfi->width, xfi->height, xfi->depth);
xfi->drawing = xfi->primary;
xfi->bitmap_mono = XCreatePixmap(xfi->display, xfi->drawable, 8, 8, 1);
xfi->gc_mono = XCreateGC(xfi->display, xfi->bitmap_mono, GCGraphicsExposures, &gcv);
XSetForeground(xfi->display, xfi->gc, BlackPixelOfScreen(xfi->screen));
XFillRectangle(xfi->display, xfi->primary, xfi->gc, 0, 0, xfi->width, xfi->height);
xfi->image = XCreateImage(xfi->display, xfi->visual, xfi->depth, ZPixmap, 0,
(char*) xfi->primary_buffer, xfi->width, xfi->height, xfi->scanline_pad, 0);
xfi->bmp_codec_none = (uint8*) xmalloc(64 * 64 * 4);
if (xfi->sw_gdi)
{
instance->update->BeginPaint = xf_sw_begin_paint;
instance->update->EndPaint = xf_sw_end_paint;
instance->update->DesktopResize = xf_sw_desktop_resize;
}
else
{
instance->update->BeginPaint = xf_hw_begin_paint;
instance->update->EndPaint = xf_hw_end_paint;
instance->update->DesktopResize = xf_hw_desktop_resize;
}
pointer_cache_register_callbacks(instance->update);
if (xfi->sw_gdi != true)
{
glyph_cache_register_callbacks(instance->update);
brush_cache_register_callbacks(instance->update);
bitmap_cache_register_callbacks(instance->update);
offscreen_cache_register_callbacks(instance->update);
palette_cache_register_callbacks(instance->update);
}
instance->context->rail = rail_new(instance->settings);
rail_register_update_callbacks(instance->context->rail, instance->update);
xf_rail_register_callbacks(xfi, instance->context->rail);
freerdp_channels_post_connect(channels, instance);
xf_tsmf_init(xfi, xv_port);
xf_cliprdr_init(xfi, channels);
return true;
}
/** Callback set in the rdp_freerdp structure, and used to get the user's password,
* if required to establish the connection.
* This function is actually called in credssp_ntlmssp_client_init()
* @see rdp_server_accept_nego() and rdp_check_fds()
* @param instance - pointer to the rdp_freerdp structure that contains the connection settings
* @param username - unused
* @param password - on return: pointer to a character string that will be filled by the password entered by the user.
* Note that this character string will be allocated inside the function, and needs to be deallocated by the caller
* using xfree(), even in case this function fails.
* @param domain - unused
* @return true if a password was successfully entered. See freerdp_passphrase_read() for more details.
*/
boolean xf_authenticate(freerdp* instance, char** username, char** password, char** domain)
{
// FIXME: seems this callback may be called when 'username' is not known.
// But it doesn't do anything to fix it...
*password = xmalloc(password_size * sizeof(char));
if (freerdp_passphrase_read("Password: ", *password, password_size) == NULL)
return false;
return true;
}
/** Callback set in the rdp_freerdp structure, and used to make a certificate validation
* when the connection requires it.
* This function will actually be called by tls_verify_certificate().
* @see rdp_client_connect() and tls_connect()
* @param instance - pointer to the rdp_freerdp structure that contains the connection settings
* @param subject
* @param issuer
* @param fingerprint
* @return true if the certificate is trusted. false otherwise.
*/
boolean xf_verify_certificate(freerdp* instance, char* subject, char* issuer, char* fingerprint)
{
char answer;
printf("Certificate details:\n");
printf("\tSubject: %s\n", subject);
printf("\tIssuer: %s\n", issuer);
printf("\tThumbprint: %s\n", fingerprint);
printf("The above X.509 certificate could not be verified, possibly because you do not have "
"the CA certificate in your certificate store, or the certificate has expired. "
"Please look at the documentation on how to create local certificate store for a private CA.\n");
while (1)
{
printf("Do you trust the above certificate? (Y/N) ");
answer = fgetc(stdin);
if (answer == 'y' || answer == 'Y')
{
return true;
}
else if (answer == 'n' || answer == 'N')
{
break;
}
printf("\n");
}
return false;
}
/** Used to parse xfreerdp-specific commandline parameters.
* This function is provided as a parameter to freerdp_parse_args(), that will call it
* each time a parameter is not recognized by the library.
* @see xf_pre_connect(), where freerdp_parse_args() is called.
*
* @param settings
* @param opt
* @param val
* @param user_data
* @return the number of parameters that where taken into account.
* 0 means no options recognized.
* freerdp_parse_args() will use this number to move forward in the parameters parsing.
*/
int xf_process_client_args(rdpSettings* settings, const char* opt, const char* val, void* user_data)
{
int argc = 0;
xfInfo* xfi = (xfInfo*) user_data;
if (strcmp("--kbd-list", opt) == 0)
{
int i;
RDP_KEYBOARD_LAYOUT* layouts;
layouts = freerdp_keyboard_get_layouts(RDP_KEYBOARD_LAYOUT_TYPE_STANDARD);
printf("\nKeyboard Layouts\n");
for (i = 0; layouts[i].code; i++)
{
printf("0x%08X\t%s\n", layouts[i].code, layouts[i].name);
xfree(layouts[i].name);
}
xfree(layouts);
layouts = freerdp_keyboard_get_layouts(RDP_KEYBOARD_LAYOUT_TYPE_VARIANT);
printf("\nKeyboard Layout Variants\n");
for (i = 0; layouts[i].code; i++)
{
printf("0x%08X\t%s\n", layouts[i].code, layouts[i].name);
xfree(layouts[i].name);
}
xfree(layouts);
layouts = freerdp_keyboard_get_layouts(RDP_KEYBOARD_LAYOUT_TYPE_IME);
printf("\nKeyboard Input Method Editors (IMEs)\n");
for (i = 0; layouts[i].code; i++)
{
printf("0x%08X\t%s\n", layouts[i].code, layouts[i].name);
xfree(layouts[i].name);
}
xfree(layouts);
exit(0);
}
else if (strcmp("--xv-port", opt) == 0)
{
xv_port = atoi(val);
argc = 2;
}
else if (strcmp("--dbg-x11", opt) == 0)
{
xfi->debug = true;
argc = 1;
}
return argc;
}
/** Used to load plugins based on the commandline parameters.
* This function is provided as a parameter to freerdp_parse_args(), that will call it
* each time a plugin name is found on the command line.
* This function just calls freerdp_channels_load_plugin() for the given plugin, and always returns 1.
* @see xf_pre_connect(), where freerdp_parse_args() is called.
*
* @param settings
* @param name
* @param plugin_data
* @param user_data
* @return 1
*/
int xf_process_plugin_args(rdpSettings* settings, const char* name, RDP_PLUGIN_DATA* plugin_data, void* user_data)
{
rdpChannels* channels = (rdpChannels*) user_data;
printf("loading plugin %s\n", name);
freerdp_channels_load_plugin(channels, settings, name, plugin_data);
// FIXME we should check the return code for freerdp_channels_load_plugin()
// and report any error to the caller. freerdp_parse_args() actually expect to get
// an error code when there is a loading error.
// Is it as easy as "return freerdp_channels_load_plugin()" ?
return 1;
}
int xf_receive_channel_data(freerdp* instance, int channelId, uint8* data, int size, int flags, int total_size)
{
return freerdp_channels_data(instance, channelId, data, size, flags, total_size);
}
void xf_process_channel_event(rdpChannels* chanman, freerdp* instance)
{
xfInfo* xfi;
RDP_EVENT* event;
xfi = ((xfContext*) instance->context)->xfi;
event = freerdp_channels_pop_event(chanman);
if (event)
{
switch (event->event_class)
{
case RDP_EVENT_CLASS_RAIL:
xf_process_rail_event(xfi, chanman, event);
break;
case RDP_EVENT_CLASS_TSMF:
xf_process_tsmf_event(xfi, event);
break;
case RDP_EVENT_CLASS_CLIPRDR:
xf_process_cliprdr_event(xfi, event);
break;
default:
break;
}
freerdp_event_free(event);
}
}
void xf_window_free(xfInfo* xfi)
{
rdpContext* context = xfi->instance->context;
XFreeModifiermap(xfi->modifier_map);
xfi->modifier_map = 0;
if (xfi->gc != NULL)
{
XFreeGC(xfi->display, xfi->gc);
xfi->gc = 0;
}
if (xfi->gc_mono != NULL)
{
XFreeGC(xfi->display, xfi->gc_mono);
xfi->gc_mono = 0;
}
if (xfi->window != NULL)
{
xf_DestroyWindow(xfi, xfi->window);
xfi->window = NULL;
}
if (xfi->primary)
{
XFreePixmap(xfi->display, xfi->primary);
xfi->primary = 0;
}
if (xfi->bitmap_mono)
{
XFreePixmap(xfi->display, xfi->bitmap_mono);
xfi->bitmap_mono = 0;
}
if (xfi->image)
{
xfi->image->data = NULL;
XDestroyImage(xfi->image);
xfi->image = NULL;
}
if (context != NULL)
{
cache_free(context->cache);
context->cache = NULL;
rail_free(context->rail);
context->rail = NULL;
}
if (xfi->rfx_context)
{
rfx_context_free(xfi->rfx_context);
xfi->rfx_context = NULL;
}
if (xfi->nsc_context)
{
nsc_context_free(xfi->nsc_context);
xfi->nsc_context = NULL;
}
freerdp_clrconv_free(xfi->clrconv);
if (xfi->hdc)
gdi_DeleteDC(xfi->hdc);
xf_tsmf_uninit(xfi);
xf_cliprdr_uninit(xfi);
}
void xf_free(xfInfo* xfi)
{
xf_window_free(xfi);
xfree(xfi->bmp_codec_none);
XCloseDisplay(xfi->display);
xfree(xfi);
}
/** 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 instance - pointer to the rdp_freerdp structure that contains the session's settings
* @return A code from the enum XF_EXIT_CODE (0 if successfull)
*/
int xfreerdp_run(freerdp* instance)
{
int i;
int fds;
xfInfo* xfi;
int max_fds;
int rcount;
int wcount;
int ret = 0;
void* rfds[32];
void* wfds[32];
fd_set rfds_set;
fd_set wfds_set;
int select_status;
rdpChannels* channels;
struct timeval timeout;
memset(rfds, 0, sizeof(rfds));
memset(wfds, 0, sizeof(wfds));
memset(&timeout, 0, sizeof(struct timeval));
if (!freerdp_connect(instance))
{
xf_free(((xfContext*) instance->context)->xfi);
return XF_EXIT_CONN_FAILED;
}
/* Connection succeeded. --authonly ? */
if (instance->settings->authentication_only) {
freerdp_disconnect(instance);
exit(0);
}
xfi = ((xfContext*) instance->context)->xfi;
channels = instance->context->channels;
while (!xfi->disconnect && !freerdp_shall_disconnect(instance))
{
rcount = 0;
wcount = 0;
if (freerdp_get_fds(instance, rfds, &rcount, wfds, &wcount) != true)
{
printf("Failed to get FreeRDP file descriptor\n");
ret = XF_EXIT_CONN_FAILED;
break;
}
if (freerdp_channels_get_fds(channels, instance, rfds, &rcount, wfds, &wcount) != true)
{
printf("Failed to get channel manager file descriptor\n");
ret = XF_EXIT_CONN_FAILED;
break;
}
if (xf_get_fds(instance, rfds, &rcount, wfds, &wcount) != true)
{
printf("Failed to get xfreerdp file descriptor\n");
ret = XF_EXIT_CONN_FAILED;
break;
}
max_fds = 0;
FD_ZERO(&rfds_set);
FD_ZERO(&wfds_set);
for (i = 0; i < rcount; i++)
{
fds = (int)(long)(rfds[i]);
if (fds > max_fds)
max_fds = fds;
FD_SET(fds, &rfds_set);
}
if (max_fds == 0)
break;
timeout.tv_sec = 5;
select_status = select(max_fds + 1, &rfds_set, &wfds_set, NULL, &timeout);
if (select_status == 0)
{
//freerdp_send_keep_alive(instance);
continue;
}
else if (select_status == -1)
{
/* these are not really errors */
if (!((errno == EAGAIN) ||
(errno == EWOULDBLOCK) ||
(errno == EINPROGRESS) ||
(errno == EINTR))) /* signal occurred */
{
printf("xfreerdp_run: select failed\n");
break;
}
}
if (freerdp_check_fds(instance) != true)
{
printf("Failed to check FreeRDP file descriptor\n");
break;
}
if (xf_process_x_events(instance) != true)
{
printf("Closed from X\n");
break;
}
if (freerdp_channels_check_fds(channels, instance) != true)
{
printf("Failed to check channel manager file descriptor\n");
break;
}
xf_process_channel_event(channels, instance);
}
if (!ret)
ret = freerdp_error_info(instance);
freerdp_channels_close(channels, instance);
freerdp_channels_free(channels);
freerdp_disconnect(instance);
gdi_free(instance);
xf_free(xfi);
return ret;
}
/** Entry point for the thread that will deal with the session.
* It just calls xfreerdp_run() using the given instance as parameter.
* @param param - pointer to a thread_data structure that contains the initialized connection.
*/
void* thread_func(void* param)
{
struct thread_data* data;
data = (struct thread_data*) param;
g_disconnect_reason = xfreerdp_run(data->instance);
xfree(data);
g_thread_count--;
if (g_thread_count < 1)
freerdp_sem_signal(g_sem);
pthread_exit(NULL);
}
static uint8 exit_code_from_disconnect_reason(uint32 reason)
{
if (reason == 0 ||
(reason >= XF_EXIT_PARSE_ARGUMENTS && reason <= XF_EXIT_CONN_FAILED))
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 <= 0xB))
reason = XF_EXIT_UNKNOWN;
return reason;
}
int main(int argc, char* argv[])
{
pthread_t thread;
freerdp* instance;
struct thread_data* data;
freerdp_handle_signals();
setlocale(LC_ALL, "");
freerdp_channels_global_init();
g_sem = freerdp_sem_new(1);
instance = freerdp_new();
instance->PreConnect = xf_pre_connect;
instance->PostConnect = xf_post_connect;
instance->Authenticate = xf_authenticate;
instance->VerifyCertificate = xf_verify_certificate;
instance->ReceiveChannelData = xf_receive_channel_data;
instance->context_size = sizeof(xfContext);
instance->ContextNew = (pContextNew) xf_context_new;
instance->ContextFree = (pContextFree) xf_context_free;
freerdp_context_new(instance);
instance->context->argc = argc;
instance->context->argv = argv;
instance->settings->sw_gdi = false;
data = (struct thread_data*) xzalloc(sizeof(struct thread_data));
data->instance = instance;
g_thread_count++;
pthread_create(&thread, 0, thread_func, data);
while (g_thread_count > 0)
{
freerdp_sem_wait(g_sem);
}
pthread_join(thread, NULL);
pthread_detach(thread);
freerdp_context_free(instance);
freerdp_free(instance);
freerdp_channels_global_uninit();
return exit_code_from_disconnect_reason(g_disconnect_reason);
}