client/DirectFB/dfreerdp.c

   1 /**
   2  * FreeRDP: A Remote Desktop Protocol Client
   3  * DirectFB Client
   4  *
   5  * Copyright 2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *     http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  */
  19
  20 #include <errno.h>
  21 #include <pthread.h>
  22 #include <locale.h>
  23 #include <freerdp/utils/args.h>
  24 #include <freerdp/utils/memory.h>
  25 #include <freerdp/utils/semaphore.h>
  26 #include <freerdp/utils/event.h>
  27 #include <freerdp/constants.h>
  28 #include <freerdp/plugins/cliprdr.h>
  29
  30 #include "df_event.h"
  31 #include "df_graphics.h"
  32
  33 #include "dfreerdp.h"
  34
  35 static freerdp_sem g_sem;
  36 static int g_thread_count = 0;
  37
  38 struct thread_data
  39 {
  40         freerdp* instance;
  41 };
  42
  43 void df_context_new(freerdp* instance, rdpContext* context)
  44 {
  45         context->channels = freerdp_channels_new();
  46 }
  47
  48 void df_context_free(freerdp* instance, rdpContext* context)
  49 {
  50
  51 }
  52
  53 void df_begin_paint(rdpContext* context)
  54 {
  55         rdpGdi* gdi = context->gdi;
  56         gdi->primary->hdc->hwnd->invalid->null = 1;
  57 }
  58
  59 void df_end_paint(rdpContext* context)
  60 {
  61         rdpGdi* gdi;
  62         dfInfo* dfi;
  63
  64         gdi = context->gdi;
  65         dfi = ((dfContext*) context)->dfi;
  66
  67         if (gdi->primary->hdc->hwnd->invalid->null)
  68                 return;
  69
  70 #if 1
  71         dfi->update_rect.x = gdi->primary->hdc->hwnd->invalid->x;
  72         dfi->update_rect.y = gdi->primary->hdc->hwnd->invalid->y;
  73         dfi->update_rect.w = gdi->primary->hdc->hwnd->invalid->w;
  74         dfi->update_rect.h = gdi->primary->hdc->hwnd->invalid->h;
  75 #else
  76         dfi->update_rect.x = 0;
  77         dfi->update_rect.y = 0;
  78         dfi->update_rect.w = gdi->width;
  79         dfi->update_rect.h = gdi->height;
  80 #endif
  81
  82         dfi->primary->Blit(dfi->primary, dfi->surface, &(dfi->update_rect), dfi->update_rect.x, dfi->update_rect.y);
  83 }
  84
  85 boolean df_get_fds(freerdp* instance, void** rfds, int* rcount, void** wfds, int* wcount)
  86 {
  87         dfInfo* dfi;
  88
  89         dfi = ((dfContext*) instance->context)->dfi;
  90
  91         rfds[*rcount] = (void*)(long)(dfi->read_fds);
  92         (*rcount)++;
  93
  94         return true;
  95 }
  96
  97 boolean df_check_fds(freerdp* instance, fd_set* set)
  98 {
  99         dfInfo* dfi;
 100
 101         dfi = ((dfContext*) instance->context)->dfi;
 102
 103         if (!FD_ISSET(dfi->read_fds, set))
 104                 return true;
 105
 106         if (read(dfi->read_fds, &(dfi->event), sizeof(dfi->event)) > 0)
 107                 df_event_process(instance, &(dfi->event));
 108
 109         return true;
 110 }
 111
 112 boolean df_pre_connect(freerdp* instance)
 113 {
 114         dfInfo* dfi;
 115         boolean bitmap_cache;
 116         dfContext* context;
 117         rdpSettings* settings;
 118
 119         dfi = (dfInfo*) xzalloc(sizeof(dfInfo));
 120         context = ((dfContext*) instance->context);
 121         context->dfi = dfi;
 122
 123         settings = instance->settings;
 124         bitmap_cache = settings->bitmap_cache;
 125
 126         settings->order_support[NEG_DSTBLT_INDEX] = true;
 127         settings->order_support[NEG_PATBLT_INDEX] = true;
 128         settings->order_support[NEG_SCRBLT_INDEX] = true;
 129         settings->order_support[NEG_OPAQUE_RECT_INDEX] = true;
 130         settings->order_support[NEG_DRAWNINEGRID_INDEX] = false;
 131         settings->order_support[NEG_MULTIDSTBLT_INDEX] = false;
 132         settings->order_support[NEG_MULTIPATBLT_INDEX] = false;
 133         settings->order_support[NEG_MULTISCRBLT_INDEX] = false;
 134         settings->order_support[NEG_MULTIOPAQUERECT_INDEX] = true;
 135         settings->order_support[NEG_MULTI_DRAWNINEGRID_INDEX] = false;
 136         settings->order_support[NEG_LINETO_INDEX] = true;
 137         settings->order_support[NEG_POLYLINE_INDEX] = true;
 138         settings->order_support[NEG_MEMBLT_INDEX] = bitmap_cache;
 139         settings->order_support[NEG_MEM3BLT_INDEX] = false;
 140         settings->order_support[NEG_MEMBLT_V2_INDEX] = bitmap_cache;
 141         settings->order_support[NEG_MEM3BLT_V2_INDEX] = false;
 142         settings->order_support[NEG_SAVEBITMAP_INDEX] = false;
 143         settings->order_support[NEG_GLYPH_INDEX_INDEX] = false;
 144         settings->order_support[NEG_FAST_INDEX_INDEX] = false;
 145         settings->order_support[NEG_FAST_GLYPH_INDEX] = false;
 146         settings->order_support[NEG_POLYGON_SC_INDEX] = false;
 147         settings->order_support[NEG_POLYGON_CB_INDEX] = false;
 148         settings->order_support[NEG_ELLIPSE_SC_INDEX] = false;
 149         settings->order_support[NEG_ELLIPSE_CB_INDEX] = false;
 150
 151         dfi->clrconv = xnew(CLRCONV);
 152         dfi->clrconv->alpha = 1;
 153         dfi->clrconv->invert = 0;
 154         dfi->clrconv->rgb555 = 0;
 155         dfi->clrconv->palette = xnew(rdpPalette);
 156
 157         freerdp_channels_pre_connect(instance->context->channels, instance);
 158
 159         return true;
 160 }
 161
 162 boolean df_post_connect(freerdp* instance)
 163 {
 164         rdpGdi* gdi;
 165         dfInfo* dfi;
 166         dfContext* context;
 167
 168         context = ((dfContext*) instance->context);
 169         dfi = context->dfi;
 170
 171         gdi_init(instance, CLRCONV_ALPHA | CLRCONV_INVERT | CLRBUF_16BPP | CLRBUF_32BPP, NULL);
 172         gdi = instance->context->gdi;
 173
 174         dfi->err = DirectFBCreate(&(dfi->dfb));
 175
 176         dfi->dsc.flags = DSDESC_CAPS;
 177         dfi->dsc.caps = DSCAPS_PRIMARY;
 178         dfi->err = dfi->dfb->CreateSurface(dfi->dfb, &(dfi->dsc), &(dfi->primary));
 179         dfi->err = dfi->primary->GetSize(dfi->primary, &(gdi->width), &(gdi->height));
 180         dfi->dfb->SetVideoMode(dfi->dfb, gdi->width, gdi->height, gdi->dstBpp);
 181         dfi->dfb->CreateInputEventBuffer(dfi->dfb, DICAPS_ALL, DFB_TRUE, &(dfi->event_buffer));
 182         dfi->event_buffer->CreateFileDescriptor(dfi->event_buffer, &(dfi->read_fds));
 183
 184         dfi->dfb->GetDisplayLayer(dfi->dfb, 0, &(dfi->layer));
 185         dfi->layer->EnableCursor(dfi->layer, 1);
 186
 187         dfi->dsc.flags = DSDESC_CAPS | DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PREALLOCATED | DSDESC_PIXELFORMAT;
 188         dfi->dsc.caps = DSCAPS_SYSTEMONLY;
 189         dfi->dsc.width = gdi->width;
 190         dfi->dsc.height = gdi->height;
 191
 192         if (gdi->dstBpp == 32 || gdi->dstBpp == 24)
 193                 dfi->dsc.pixelformat = DSPF_AiRGB;
 194         else if (gdi->dstBpp == 16 || gdi->dstBpp == 15)
 195                 dfi->dsc.pixelformat = DSPF_RGB16;
 196         else if (gdi->dstBpp == 8)
 197                 dfi->dsc.pixelformat = DSPF_RGB332;
 198         else
 199                 dfi->dsc.pixelformat = DSPF_AiRGB;
 200
 201         dfi->dsc.preallocated[0].data = gdi->primary_buffer;
 202         dfi->dsc.preallocated[0].pitch = gdi->width * gdi->bytesPerPixel;
 203         dfi->dfb->CreateSurface(dfi->dfb, &(dfi->dsc), &(dfi->surface));
 204
 205         instance->update->BeginPaint = df_begin_paint;
 206         instance->update->EndPaint = df_end_paint;
 207
 208         df_keyboard_init();
 209
 210         pointer_cache_register_callbacks(instance->update);
 211         df_register_graphics(instance->context->graphics);
 212
 213         freerdp_channels_post_connect(instance->context->channels, instance);
 214
 215         return true;
 216 }
 217
 218 static int df_process_plugin_args(rdpSettings* settings, const char* name,
 219         RDP_PLUGIN_DATA* plugin_data, void* user_data)
 220 {
 221         rdpChannels* channels = (rdpChannels*) user_data;
 222
 223         printf("loading plugin %s\n", name);
 224         freerdp_channels_load_plugin(channels, settings, name, plugin_data);
 225
 226         return 1;
 227 }
 228
 229 boolean df_verify_certificate(freerdp* instance, char* subject, char* issuer, char* fingerprint)
 230 {
 231         printf("Certificate details:\n");
 232         printf("\tSubject: %s\n", subject);
 233         printf("\tIssuer: %s\n", issuer);
 234         printf("\tThumbprint: %s\n", fingerprint);
 235         printf("The above X.509 certificate could not be verified, possibly because you do not have "
 236                 "the CA certificate in your certificate store, or the certificate has expired. "
 237                 "Please look at the documentation on how to create local certificate store for a private CA.\n");
 238
 239         char answer;
 240         while (1)
 241         {
 242                 printf("Do you trust the above certificate? (Y/N) ");
 243                 answer = fgetc(stdin);
 244
 245                 if (answer == 'y' || answer == 'Y')
 246                 {
 247                         return true;
 248                 }
 249                 else if (answer == 'n' || answer == 'N')
 250                 {
 251                         break;
 252                 }
 253         }
 254
 255         return false;
 256 }
 257
 258 static int
 259 df_receive_channel_data(freerdp* instance, int channelId, uint8* data, int size, int flags, int total_size)
 260 {
 261         return freerdp_channels_data(instance, channelId, data, size, flags, total_size);
 262 }
 263
 264 static void
 265 df_process_cb_monitor_ready_event(rdpChannels* channels, freerdp* instance)
 266 {
 267         RDP_EVENT* event;
 268         RDP_CB_FORMAT_LIST_EVENT* format_list_event;
 269
 270         event = freerdp_event_new(RDP_EVENT_CLASS_CLIPRDR, RDP_EVENT_TYPE_CB_FORMAT_LIST, NULL, NULL);
 271
 272         format_list_event = (RDP_CB_FORMAT_LIST_EVENT*)event;
 273         format_list_event->num_formats = 0;
 274
 275         freerdp_channels_send_event(channels, event);
 276 }
 277
 278 static void
 279 df_process_channel_event(rdpChannels* channels, freerdp* instance)
 280 {
 281         RDP_EVENT* event;
 282
 283         event = freerdp_channels_pop_event(channels);
 284
 285         if (event)
 286         {
 287                 switch (event->event_type)
 288                 {
 289                         case RDP_EVENT_TYPE_CB_MONITOR_READY:
 290                                 df_process_cb_monitor_ready_event(channels, instance);
 291                                 break;
 292                         default:
 293                                 printf("df_process_channel_event: unknown event type %d\n", event->event_type);
 294                                 break;
 295                 }
 296
 297                 freerdp_event_free(event);
 298         }
 299 }
 300
 301 static void df_free(dfInfo* dfi)
 302 {
 303         dfi->dfb->Release(dfi->dfb);
 304         xfree(dfi);
 305 }
 306
 307 int dfreerdp_run(freerdp* instance)
 308 {
 309         int i;
 310         int fds;
 311         int max_fds;
 312         int rcount;
 313         int wcount;
 314         void* rfds[32];
 315         void* wfds[32];
 316         fd_set rfds_set;
 317         fd_set wfds_set;
 318         dfInfo* dfi;
 319         dfContext* context;
 320         rdpChannels* channels;
 321
 322         memset(rfds, 0, sizeof(rfds));
 323         memset(wfds, 0, sizeof(wfds));
 324
 325         if (!freerdp_connect(instance))
 326                 return 0;
 327
 328         context = (dfContext*) instance->context;
 329
 330         dfi = context->dfi;
 331         channels = instance->context->channels;
 332
 333         while (1)
 334         {
 335                 rcount = 0;
 336                 wcount = 0;
 337
 338                 if (freerdp_get_fds(instance, rfds, &rcount, wfds, &wcount) != true)
 339                 {
 340                         printf("Failed to get FreeRDP file descriptor\n");
 341                         break;
 342                 }
 343                 if (freerdp_channels_get_fds(channels, instance, rfds, &rcount, wfds, &wcount) != true)
 344                 {
 345                         printf("Failed to get channel manager file descriptor\n");
 346                         break;
 347                 }
 348                 if (df_get_fds(instance, rfds, &rcount, wfds, &wcount) != true)
 349                 {
 350                         printf("Failed to get dfreerdp file descriptor\n");
 351                         break;
 352                 }
 353
 354                 max_fds = 0;
 355                 FD_ZERO(&rfds_set);
 356                 FD_ZERO(&wfds_set);
 357
 358                 for (i = 0; i < rcount; i++)
 359                 {
 360                         fds = (int)(long)(rfds[i]);
 361
 362                         if (fds > max_fds)
 363                                 max_fds = fds;
 364
 365                         FD_SET(fds, &rfds_set);
 366                 }
 367
 368                 if (max_fds == 0)
 369                         break;
 370
 371                 if (select(max_fds + 1, &rfds_set, &wfds_set, NULL, NULL) == -1)
 372                 {
 373                         /* these are not really errors */
 374                         if (!((errno == EAGAIN) ||
 375                                 (errno == EWOULDBLOCK) ||
 376                                 (errno == EINPROGRESS) ||
 377                                 (errno == EINTR))) /* signal occurred */
 378                         {
 379                                 printf("dfreerdp_run: select failed\n");
 380                                 break;
 381                         }
 382                 }
 383
 384                 if (freerdp_check_fds(instance) != true)
 385                 {
 386                         printf("Failed to check FreeRDP file descriptor\n");
 387                         break;
 388                 }
 389                 if (df_check_fds(instance, &rfds_set) != true)
 390                 {
 391                         printf("Failed to check dfreerdp file descriptor\n");
 392                         break;
 393                 }
 394                 if (freerdp_channels_check_fds(channels, instance) != true)
 395                 {
 396                         printf("Failed to check channel manager file descriptor\n");
 397                         break;
 398                 }
 399                 df_process_channel_event(channels, instance);
 400         }
 401
 402         freerdp_channels_close(channels, instance);
 403         freerdp_channels_free(channels);
 404         df_free(dfi);
 405         gdi_free(instance);
 406         freerdp_disconnect(instance);
 407         freerdp_free(instance);
 408
 409         return 0;
 410 }
 411
 412 void* thread_func(void* param)
 413 {
 414         struct thread_data* data;
 415         data = (struct thread_data*) param;
 416
 417         dfreerdp_run(data->instance);
 418
 419         xfree(data);
 420
 421         pthread_detach(pthread_self());
 422
 423         g_thread_count--;
 424
 425         if (g_thread_count < 1)
 426                 freerdp_sem_signal(g_sem);
 427
 428         return NULL;
 429 }
 430
 431 int main(int argc, char* argv[])
 432 {
 433         pthread_t thread;
 434         freerdp* instance;
 435         dfContext* context;
 436         rdpChannels* channels;
 437         struct thread_data* data;
 438
 439         setlocale(LC_ALL, "");
 440
 441         freerdp_channels_global_init();
 442
 443         g_sem = freerdp_sem_new(1);
 444
 445         instance = freerdp_new();
 446         instance->PreConnect = df_pre_connect;
 447         instance->PostConnect = df_post_connect;
 448         instance->VerifyCertificate = df_verify_certificate;
 449         instance->ReceiveChannelData = df_receive_channel_data;
 450
 451         instance->context_size = sizeof(dfContext);
 452         instance->ContextNew = df_context_new;
 453         instance->ContextFree = df_context_free;
 454         freerdp_context_new(instance);
 455
 456         context = (dfContext*) instance->context;
 457         channels = instance->context->channels;
 458
 459         DirectFBInit(&argc, &argv);
 460         freerdp_parse_args(instance->settings, argc, argv, df_process_plugin_args, channels, NULL, NULL);
 461
 462         data = (struct thread_data*) xzalloc(sizeof(struct thread_data));
 463         data->instance = instance;
 464
 465         g_thread_count++;
 466         pthread_create(&thread, 0, thread_func, data);
 467
 468         while (g_thread_count > 0)
 469         {
 470                 freerdp_sem_wait(g_sem);
 471         }
 472
 473         freerdp_channels_global_uninit();
 474
 475         return 0;
 476 }