src/compositor-rdp.c

   1 /*
   2  * Copyright © 2013 Hardening <rdp.effort@gmail.com>
   3  *
   4  * Permission to use, copy, modify, distribute, and sell this software and
   5  * its documentation for any purpose is hereby granted without fee, provided
   6  * that the above copyright notice appear in all copies and that both that
   7  * copyright notice and this permission notice appear in supporting
   8  * documentation, and that the name of the copyright holders not be used in
   9  * advertising or publicity pertaining to distribution of the software
  10  * without specific, written prior permission.  The copyright holders make
  11  * no representations about the suitability of this software for any
  12  * purpose.  It is provided "as is" without express or implied warranty.
  13  *
  14  * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
  15  * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
  16  * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
  17  * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
  18  * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
  19  * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
  20  * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  21  */
  22
  23 #include "config.h"
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <errno.h>
  28 #include <linux/input.h>
  29
  30 #if HAVE_FREERDP_VERSION_H
  31 #include <freerdp/version.h>
  32 #else
  33 /* assume it's a early 1.1 version */
  34 #define FREERDP_VERSION_MAJOR 1
  35 #define FREERDP_VERSION_MINOR 1
  36 #endif
  37
  38 #include <freerdp/freerdp.h>
  39 #include <freerdp/listener.h>
  40 #include <freerdp/update.h>
  41 #include <freerdp/input.h>
  42 #include <freerdp/codec/color.h>
  43 #include <freerdp/codec/rfx.h>
  44 #include <freerdp/codec/nsc.h>
  45 #include <freerdp/locale/keyboard.h>
  46 #include <winpr/input.h>
  47
  48 #include "compositor.h"
  49 #include "pixman-renderer.h"
  50
  51 #define MAX_FREERDP_FDS 32
  52 #define DEFAULT_AXIS_STEP_DISTANCE wl_fixed_from_int(10)
  53 #define RDP_MODE_FREQ 60 * 1000
  54
  55 struct rdp_compositor_config {
  56         int width;
  57         int height;
  58         char *bind_address;
  59         int port;
  60         char *rdp_key;
  61         char *server_cert;
  62         char *server_key;
  63         int env_socket;
  64         int no_clients_resize;
  65 };
  66
  67 struct rdp_output;
  68
  69 struct rdp_compositor {
  70         struct weston_compositor base;
  71
  72         freerdp_listener *listener;
  73         struct wl_event_source *listener_events[MAX_FREERDP_FDS];
  74         struct rdp_output *output;
  75
  76         char *server_cert;
  77         char *server_key;
  78         char *rdp_key;
  79         int tls_enabled;
  80         int no_clients_resize;
  81 };
  82
  83 enum peer_item_flags {
  84         RDP_PEER_ACTIVATED      = (1 << 0),
  85         RDP_PEER_OUTPUT_ENABLED = (1 << 1),
  86 };
  87
  88 struct rdp_peers_item {
  89         int flags;
  90         freerdp_peer *peer;
  91         struct weston_seat seat;
  92
  93         struct wl_list link;
  94 };
  95
  96 struct rdp_output {
  97         struct weston_output base;
  98         struct wl_event_source *finish_frame_timer;
  99         pixman_image_t *shadow_surface;
 100
 101         struct wl_list peers;
 102 };
 103
 104 struct rdp_peer_context {
 105         rdpContext _p;
 106
 107         struct rdp_compositor *rdpCompositor;
 108         struct wl_event_source *events[MAX_FREERDP_FDS];
 109         RFX_CONTEXT *rfx_context;
 110         wStream *encode_stream;
 111         RFX_RECT *rfx_rects;
 112         NSC_CONTEXT *nsc_context;
 113
 114         struct rdp_peers_item item;
 115 };
 116 typedef struct rdp_peer_context RdpPeerContext;
 117
 118 static void
 119 rdp_compositor_config_init(struct rdp_compositor_config *config) {
 120         config->width = 640;
 121         config->height = 480;
 122         config->bind_address = NULL;
 123         config->port = 3389;
 124         config->rdp_key = NULL;
 125         config->server_cert = NULL;
 126         config->server_key = NULL;
 127         config->env_socket = 0;
 128         config->no_clients_resize = 0;
 129 }
 130
 131 static void
 132 rdp_peer_refresh_rfx(pixman_region32_t *damage, pixman_image_t *image, freerdp_peer *peer)
 133 {
 134         int width, height, nrects, i;
 135         pixman_box32_t *region, *rects;
 136         uint32_t *ptr;
 137         RFX_RECT *rfxRect;
 138         rdpUpdate *update = peer->update;
 139         SURFACE_BITS_COMMAND *cmd = &update->surface_bits_command;
 140         RdpPeerContext *context = (RdpPeerContext *)peer->context;
 141
 142         Stream_Clear(context->encode_stream);
 143         Stream_SetPosition(context->encode_stream, 0);
 144
 145         width = (damage->extents.x2 - damage->extents.x1);
 146         height = (damage->extents.y2 - damage->extents.y1);
 147
 148         cmd->destLeft = damage->extents.x1;
 149         cmd->destTop = damage->extents.y1;
 150         cmd->destRight = damage->extents.x2;
 151         cmd->destBottom = damage->extents.y2;
 152         cmd->bpp = 32;
 153         cmd->codecID = peer->settings->RemoteFxCodecId;
 154         cmd->width = width;
 155         cmd->height = height;
 156
 157         ptr = pixman_image_get_data(image) + damage->extents.x1 +
 158                                 damage->extents.y1 * (pixman_image_get_stride(image) / sizeof(uint32_t));
 159
 160         rects = pixman_region32_rectangles(damage, &nrects);
 161         context->rfx_rects = realloc(context->rfx_rects, nrects * sizeof *rfxRect);
 162
 163         for (i = 0; i < nrects; i++) {
 164                 region = &rects[i];
 165                 rfxRect = &context->rfx_rects[i];
 166
 167                 rfxRect->x = (region->x1 - damage->extents.x1);
 168                 rfxRect->y = (region->y1 - damage->extents.y1);
 169                 rfxRect->width = (region->x2 - region->x1);
 170                 rfxRect->height = (region->y2 - region->y1);
 171         }
 172
 173         rfx_compose_message(context->rfx_context, context->encode_stream, context->rfx_rects, nrects,
 174                         (BYTE *)ptr, width, height,
 175                         pixman_image_get_stride(image)
 176         );
 177
 178         cmd->bitmapDataLength = Stream_GetPosition(context->encode_stream);
 179         cmd->bitmapData = Stream_Buffer(context->encode_stream);
 180
 181         update->SurfaceBits(update->context, cmd);
 182 }
 183
 184
 185 static void
 186 rdp_peer_refresh_nsc(pixman_region32_t *damage, pixman_image_t *image, freerdp_peer *peer)
 187 {
 188         int width, height;
 189         uint32_t *ptr;
 190         rdpUpdate *update = peer->update;
 191         SURFACE_BITS_COMMAND *cmd = &update->surface_bits_command;
 192         RdpPeerContext *context = (RdpPeerContext *)peer->context;
 193
 194         Stream_Clear(context->encode_stream);
 195         Stream_SetPosition(context->encode_stream, 0);
 196
 197         width = (damage->extents.x2 - damage->extents.x1);
 198         height = (damage->extents.y2 - damage->extents.y1);
 199
 200         cmd->destLeft = damage->extents.x1;
 201         cmd->destTop = damage->extents.y1;
 202         cmd->destRight = damage->extents.x2;
 203         cmd->destBottom = damage->extents.y2;
 204         cmd->bpp = 32;
 205         cmd->codecID = peer->settings->NSCodecId;
 206         cmd->width = width;
 207         cmd->height = height;
 208
 209         ptr = pixman_image_get_data(image) + damage->extents.x1 +
 210                                 damage->extents.y1 * (pixman_image_get_stride(image) / sizeof(uint32_t));
 211
 212         nsc_compose_message(context->nsc_context, context->encode_stream, (BYTE *)ptr,
 213                         cmd->width,     cmd->height,
 214                         pixman_image_get_stride(image));
 215         cmd->bitmapDataLength = Stream_GetPosition(context->encode_stream);
 216         cmd->bitmapData = Stream_Buffer(context->encode_stream);
 217         update->SurfaceBits(update->context, cmd);
 218 }
 219
 220 static void
 221 pixman_image_flipped_subrect(const pixman_box32_t *rect, pixman_image_t *img, BYTE *dest) {
 222         int stride = pixman_image_get_stride(img);
 223         int h;
 224         int toCopy = (rect->x2 - rect->x1) * 4;
 225         int height = (rect->y2 - rect->y1);
 226         const BYTE *src = (const BYTE *)pixman_image_get_data(img);
 227         src += ((rect->y2-1) * stride) + (rect->x1 * 4);
 228
 229         for (h = 0; h < height; h++, src -= stride, dest += toCopy)
 230                    memcpy(dest, src, toCopy);
 231 }
 232
 233 static void
 234 rdp_peer_refresh_raw(pixman_region32_t *region, pixman_image_t *image, freerdp_peer *peer)
 235 {
 236         rdpUpdate *update = peer->update;
 237         SURFACE_BITS_COMMAND *cmd = &update->surface_bits_command;
 238         SURFACE_FRAME_MARKER *marker = &update->surface_frame_marker;
 239         pixman_box32_t *rect, subrect;
 240         int nrects, i;
 241         int heightIncrement, remainingHeight, top;
 242
 243         rect = pixman_region32_rectangles(region, &nrects);
 244         if (!nrects)
 245                 return;
 246
 247         marker->frameId++;
 248         marker->frameAction = SURFACECMD_FRAMEACTION_BEGIN;
 249         update->SurfaceFrameMarker(peer->context, marker);
 250
 251         cmd->bpp = 32;
 252         cmd->codecID = 0;
 253
 254         for (i = 0; i < nrects; i++, rect++) {
 255                 /*weston_log("rect(%d,%d, %d,%d)\n", rect->x1, rect->y1, rect->x2, rect->y2);*/
 256                 cmd->destLeft = rect->x1;
 257                 cmd->destRight = rect->x2;
 258                 cmd->width = rect->x2 - rect->x1;
 259
 260                 heightIncrement = peer->settings->MultifragMaxRequestSize / (16 + cmd->width * 4);
 261                 remainingHeight = rect->y2 - rect->y1;
 262                 top = rect->y1;
 263
 264                 subrect.x1 = rect->x1;
 265                 subrect.x2 = rect->x2;
 266
 267                 while (remainingHeight) {
 268                            cmd->height = (remainingHeight > heightIncrement) ? heightIncrement : remainingHeight;
 269                            cmd->destTop = top;
 270                            cmd->destBottom = top + cmd->height;
 271                            cmd->bitmapDataLength = cmd->width * cmd->height * 4;
 272                            cmd->bitmapData = (BYTE *)realloc(cmd->bitmapData, cmd->bitmapDataLength);
 273
 274                            subrect.y1 = top;
 275                            subrect.y2 = top + cmd->height;
 276                            pixman_image_flipped_subrect(&subrect, image, cmd->bitmapData);
 277
 278                            /*weston_log("*  sending (%d,%d, %d,%d)\n", subrect.x1, subrect.y1, subrect.x2, subrect.y2); */
 279                            update->SurfaceBits(peer->context, cmd);
 280
 281                            remainingHeight -= cmd->height;
 282                            top += cmd->height;
 283                 }
 284         }
 285
 286         marker->frameAction = SURFACECMD_FRAMEACTION_END;
 287         update->SurfaceFrameMarker(peer->context, marker);
 288 }
 289
 290 static void
 291 rdp_peer_refresh_region(pixman_region32_t *region, freerdp_peer *peer)
 292 {
 293         RdpPeerContext *context = (RdpPeerContext *)peer->context;
 294         struct rdp_output *output = context->rdpCompositor->output;
 295         rdpSettings *settings = peer->settings;
 296
 297         if (settings->RemoteFxCodec)
 298                 rdp_peer_refresh_rfx(region, output->shadow_surface, peer);
 299         else if (settings->NSCodec)
 300                 rdp_peer_refresh_nsc(region, output->shadow_surface, peer);
 301         else
 302                 rdp_peer_refresh_raw(region, output->shadow_surface, peer);
 303 }
 304
 305 static void
 306 rdp_output_start_repaint_loop(struct weston_output *output)
 307 {
 308         uint32_t msec;
 309         struct timeval tv;
 310
 311         gettimeofday(&tv, NULL);
 312         msec = tv.tv_sec * 1000 + tv.tv_usec / 1000;
 313         weston_output_finish_frame(output, msec);
 314 }
 315
 316 static int
 317 rdp_output_repaint(struct weston_output *output_base, pixman_region32_t *damage)
 318 {
 319         struct rdp_output *output = container_of(output_base, struct rdp_output, base);
 320         struct weston_compositor *ec = output->base.compositor;
 321         struct rdp_peers_item *outputPeer;
 322
 323         pixman_renderer_output_set_buffer(output_base, output->shadow_surface);
 324         ec->renderer->repaint_output(&output->base, damage);
 325
 326         if (pixman_region32_not_empty(damage)) {
 327                 wl_list_for_each(outputPeer, &output->peers, link) {
 328                         if ((outputPeer->flags & RDP_PEER_ACTIVATED) &&
 329                                         (outputPeer->flags & RDP_PEER_OUTPUT_ENABLED))
 330                         {
 331                                 rdp_peer_refresh_region(damage, outputPeer->peer);
 332                         }
 333                 }
 334         }
 335
 336         pixman_region32_subtract(&ec->primary_plane.damage,
 337                                  &ec->primary_plane.damage, damage);
 338
 339         wl_event_source_timer_update(output->finish_frame_timer, 16);
 340         return 0;
 341 }
 342
 343 static void
 344 rdp_output_destroy(struct weston_output *output_base)
 345 {
 346         struct rdp_output *output = (struct rdp_output *)output_base;
 347
 348         wl_event_source_remove(output->finish_frame_timer);
 349         free(output);
 350 }
 351
 352 static int
 353 finish_frame_handler(void *data)
 354 {
 355         rdp_output_start_repaint_loop(data);
 356
 357         return 1;
 358 }
 359
 360 static struct weston_mode *
 361 rdp_insert_new_mode(struct weston_output *output, int width, int height, int rate) {
 362         struct weston_mode *ret;
 363         ret = zalloc(sizeof *ret);
 364         if (!ret)
 365                 return NULL;
 366         ret->width = width;
 367         ret->height = height;
 368         ret->refresh = rate;
 369         wl_list_insert(&output->mode_list, &ret->link);
 370         return ret;
 371 }
 372
 373 static struct weston_mode *
 374 ensure_matching_mode(struct weston_output *output, struct weston_mode *target) {
 375         struct weston_mode *local;
 376
 377         wl_list_for_each(local, &output->mode_list, link) {
 378                 if ((local->width == target->width) && (local->height == target->height))
 379                         return local;
 380         }
 381
 382         return rdp_insert_new_mode(output, target->width, target->height, RDP_MODE_FREQ);
 383 }
 384
 385 static int
 386 rdp_switch_mode(struct weston_output *output, struct weston_mode *target_mode) {
 387         struct rdp_output *rdpOutput = container_of(output, struct rdp_output, base);
 388         struct rdp_peers_item *rdpPeer;
 389         rdpSettings *settings;
 390         pixman_image_t *new_shadow_buffer;
 391         struct weston_mode *local_mode;
 392
 393         local_mode = ensure_matching_mode(output, target_mode);
 394         if (!local_mode) {
 395                 weston_log("mode %dx%d not available\n", target_mode->width, target_mode->height);
 396                 return -ENOENT;
 397         }
 398
 399         if (local_mode == output->current_mode)
 400                 return 0;
 401
 402         output->current_mode->flags &= ~WL_OUTPUT_MODE_CURRENT;
 403
 404         output->current_mode = local_mode;
 405         output->current_mode->flags |= WL_OUTPUT_MODE_CURRENT;
 406
 407         pixman_renderer_output_destroy(output);
 408         pixman_renderer_output_create(output);
 409
 410         new_shadow_buffer = pixman_image_create_bits(PIXMAN_x8r8g8b8, target_mode->width,
 411                         target_mode->height, 0, target_mode->width * 4);
 412         pixman_image_composite32(PIXMAN_OP_SRC, rdpOutput->shadow_surface, 0, new_shadow_buffer,
 413                         0, 0, 0, 0, 0, 0, target_mode->width, target_mode->height);
 414         pixman_image_unref(rdpOutput->shadow_surface);
 415         rdpOutput->shadow_surface = new_shadow_buffer;
 416
 417         wl_list_for_each(rdpPeer, &rdpOutput->peers, link) {
 418                 settings = rdpPeer->peer->settings;
 419                 if (settings->DesktopWidth == (UINT32)target_mode->width &&
 420                                 settings->DesktopHeight == (UINT32)target_mode->height)
 421                         continue;
 422
 423                 if (!settings->DesktopResize) {
 424                         /* too bad this peer does not support desktop resize */
 425                         rdpPeer->peer->Close(rdpPeer->peer);
 426                 } else {
 427                         settings->DesktopWidth = target_mode->width;
 428                         settings->DesktopHeight = target_mode->height;
 429                         rdpPeer->peer->update->DesktopResize(rdpPeer->peer->context);
 430                 }
 431         }
 432         return 0;
 433 }
 434
 435 static int
 436 rdp_compositor_create_output(struct rdp_compositor *c, int width, int height)
 437 {
 438         struct rdp_output *output;
 439         struct wl_event_loop *loop;
 440         struct weston_mode *currentMode;
 441         struct weston_mode initMode;
 442
 443         output = zalloc(sizeof *output);
 444         if (output == NULL)
 445                 return -1;
 446
 447         wl_list_init(&output->peers);
 448         wl_list_init(&output->base.mode_list);
 449
 450         initMode.flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
 451         initMode.width = width;
 452         initMode.height = height;
 453         initMode.refresh = RDP_MODE_FREQ;
 454
 455         currentMode = ensure_matching_mode(&output->base, &initMode);
 456         if (!currentMode)
 457                 goto out_free_output;
 458
 459         output->base.current_mode = output->base.native_mode = currentMode;
 460         weston_output_init(&output->base, &c->base, 0, 0, width, height,
 461                            WL_OUTPUT_TRANSFORM_NORMAL, 1);
 462
 463         output->base.make = "weston";
 464         output->base.model = "rdp";
 465         output->shadow_surface = pixman_image_create_bits(PIXMAN_x8r8g8b8,
 466                         width, height,
 467                     NULL,
 468                     width * 4);
 469         if (output->shadow_surface == NULL) {
 470                 weston_log("Failed to create surface for frame buffer.\n");
 471                 goto out_output;
 472         }
 473
 474         if (pixman_renderer_output_create(&output->base) < 0)
 475                 goto out_shadow_surface;
 476
 477         loop = wl_display_get_event_loop(c->base.wl_display);
 478         output->finish_frame_timer = wl_event_loop_add_timer(loop, finish_frame_handler, output);
 479
 480         output->base.start_repaint_loop = rdp_output_start_repaint_loop;
 481         output->base.repaint = rdp_output_repaint;
 482         output->base.destroy = rdp_output_destroy;
 483         output->base.assign_planes = NULL;
 484         output->base.set_backlight = NULL;
 485         output->base.set_dpms = NULL;
 486         output->base.switch_mode = rdp_switch_mode;
 487         c->output = output;
 488
 489         wl_list_insert(c->base.output_list.prev, &output->base.link);
 490         return 0;
 491
 492 out_shadow_surface:
 493         pixman_image_unref(output->shadow_surface);
 494 out_output:
 495         weston_output_destroy(&output->base);
 496 out_free_output:
 497         free(output);
 498         return -1;
 499 }
 500
 501 static void
 502 rdp_restore(struct weston_compositor *ec)
 503 {
 504 }
 505
 506 static void
 507 rdp_destroy(struct weston_compositor *ec)
 508 {
 509         weston_compositor_shutdown(ec);
 510
 511         free(ec);
 512 }
 513
 514 static
 515 int rdp_listener_activity(int fd, uint32_t mask, void *data) {
 516         freerdp_listener* instance = (freerdp_listener *)data;
 517
 518         if (!(mask & WL_EVENT_READABLE))
 519                 return 0;
 520         if (!instance->CheckFileDescriptor(instance))
 521         {
 522                 weston_log("failed to check FreeRDP file descriptor\n");
 523                 return -1;
 524         }
 525         return 0;
 526 }
 527
 528 static
 529 int rdp_implant_listener(struct rdp_compositor *c, freerdp_listener* instance) {
 530         int i, fd;
 531         int rcount = 0;
 532         void* rfds[MAX_FREERDP_FDS];
 533         struct wl_event_loop *loop;
 534
 535         if (!instance->GetFileDescriptor(instance, rfds, &rcount)) {
 536                 weston_log("Failed to get FreeRDP file descriptor\n");
 537                 return -1;
 538         }
 539
 540         loop = wl_display_get_event_loop(c->base.wl_display);
 541         for (i = 0; i < rcount; i++) {
 542                 fd = (int)(long)(rfds[i]);
 543                 c->listener_events[i] = wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
 544                                 rdp_listener_activity, instance);
 545         }
 546
 547         for( ; i < MAX_FREERDP_FDS; i++)
 548                 c->listener_events[i] = 0;
 549         return 0;
 550 }
 551
 552
 553 static void
 554 rdp_peer_context_new(freerdp_peer* client, RdpPeerContext* context)
 555 {
 556         context->item.peer = client;
 557         context->item.flags = RDP_PEER_OUTPUT_ENABLED;
 558
 559 #if FREERDP_VERSION_MAJOR == 1 && FREERDP_VERSION_MINOR == 1
 560         context->rfx_context = rfx_context_new();
 561 #else
 562         context->rfx_context = rfx_context_new(TRUE);
 563 #endif
 564         context->rfx_context->mode = RLGR3;
 565         context->rfx_context->width = client->settings->DesktopWidth;
 566         context->rfx_context->height = client->settings->DesktopHeight;
 567         rfx_context_set_pixel_format(context->rfx_context, RDP_PIXEL_FORMAT_B8G8R8A8);
 568
 569         context->nsc_context = nsc_context_new();
 570         nsc_context_set_pixel_format(context->nsc_context, RDP_PIXEL_FORMAT_B8G8R8A8);
 571
 572         context->encode_stream = Stream_New(NULL, 65536);
 573 }
 574
 575 static void
 576 rdp_peer_context_free(freerdp_peer* client, RdpPeerContext* context)
 577 {
 578         int i;
 579         if (!context)
 580                 return;
 581
 582         wl_list_remove(&context->item.link);
 583         for(i = 0; i < MAX_FREERDP_FDS; i++) {
 584                 if (context->events[i])
 585                         wl_event_source_remove(context->events[i]);
 586         }
 587
 588         if (context->item.flags & RDP_PEER_ACTIVATED) {
 589                 weston_seat_release_keyboard(&context->item.seat);
 590                 weston_seat_release_pointer(&context->item.seat);
 591                 weston_seat_release(&context->item.seat);
 592         }
 593         Stream_Free(context->encode_stream, TRUE);
 594         nsc_context_free(context->nsc_context);
 595         rfx_context_free(context->rfx_context);
 596         free(context->rfx_rects);
 597 }
 598
 599
 600 static int
 601 rdp_client_activity(int fd, uint32_t mask, void *data) {
 602         freerdp_peer* client = (freerdp_peer *)data;
 603
 604         if (!client->CheckFileDescriptor(client)) {
 605                 weston_log("unable to checkDescriptor for %p\n", client);
 606                 goto out_clean;
 607         }
 608         return 0;
 609
 610 out_clean:
 611         freerdp_peer_context_free(client);
 612         freerdp_peer_free(client);
 613         return 0;
 614 }
 615
 616 static BOOL
 617 xf_peer_capabilities(freerdp_peer* client)
 618 {
 619         return TRUE;
 620 }
 621
 622 struct rdp_to_xkb_keyboard_layout {
 623         UINT32 rdpLayoutCode;
 624         const char *xkbLayout;
 625         const char *xkbVariant;
 626 };
 627
 628 /* table reversed from
 629         https://github.com/awakecoding/FreeRDP/blob/master/libfreerdp/locale/xkb_layout_ids.c#L811 */
 630 static
 631 struct rdp_to_xkb_keyboard_layout rdp_keyboards[] = {
 632         {KBD_ARABIC_101, "ara", 0},
 633         {KBD_BULGARIAN, 0, 0},
 634         {KBD_CHINESE_TRADITIONAL_US, 0},
 635         {KBD_CZECH, "cz", 0},
 636         {KBD_CZECH_PROGRAMMERS, "cz", "bksl"},
 637         {KBD_CZECH_QWERTY, "cz", "qwerty"},
 638         {KBD_DANISH, "dk", 0},
 639         {KBD_GERMAN, "de", 0},
 640         {KBD_GERMAN_NEO, "de", "neo"},
 641         {KBD_GERMAN_IBM, "de", "qwerty"},
 642         {KBD_GREEK, "gr", 0},
 643         {KBD_GREEK_220, "gr", "simple"},
 644         {KBD_GREEK_319, "gr", "extended"},
 645         {KBD_GREEK_POLYTONIC, "gr", "polytonic"},
 646         {KBD_US, "us", 0},
 647         {KBD_US_ENGLISH_TABLE_FOR_IBM_ARABIC_238_L, "ara", "buckwalter"},
 648         {KBD_SPANISH, "es", 0},
 649         {KBD_SPANISH_VARIATION, "es", "nodeadkeys"},
 650         {KBD_FINNISH, "fi", 0},
 651         {KBD_FRENCH, "fr", 0},
 652         {KBD_HEBREW, "il", 0},
 653         {KBD_HUNGARIAN, "hu", 0},
 654         {KBD_HUNGARIAN_101_KEY, "hu", "standard"},
 655         {KBD_ICELANDIC, "is", 0},
 656         {KBD_ITALIAN, "it", 0},
 657         {KBD_ITALIAN_142, "it", "nodeadkeys"},
 658         {KBD_JAPANESE, "jp", 0},
 659         {KBD_JAPANESE_INPUT_SYSTEM_MS_IME2002, "jp", "kana"},
 660         {KBD_KOREAN, "kr", 0},
 661         {KBD_KOREAN_INPUT_SYSTEM_IME_2000, "kr", "kr104"},
 662         {KBD_DUTCH, "nl", 0},
 663         {KBD_NORWEGIAN, "no", 0},
 664         {KBD_POLISH_PROGRAMMERS, "pl", 0},
 665         {KBD_POLISH_214, "pl", "qwertz"},
 666         // {KBD_PORTUGUESE_BRAZILIAN_ABN0416, 0},
 667         {KBD_ROMANIAN, "ro", 0},
 668         {KBD_RUSSIAN, "ru", 0},
 669         {KBD_RUSSIAN_TYPEWRITER, "ru", "typewriter"},
 670         {KBD_CROATIAN, "hr", 0},
 671         {KBD_SLOVAK, "sk", 0},
 672         {KBD_SLOVAK_QWERTY, "sk", "qwerty"},
 673         {KBD_ALBANIAN, 0, 0},
 674         {KBD_SWEDISH, "se", 0},
 675         {KBD_THAI_KEDMANEE, "th", 0},
 676         {KBD_THAI_KEDMANEE_NON_SHIFTLOCK, "th", "tis"},
 677         {KBD_TURKISH_Q, "tr", 0},
 678         {KBD_TURKISH_F, "tr", "f"},
 679         {KBD_URDU, "in", "urd-phonetic3"},
 680         {KBD_UKRAINIAN, "ua", 0},
 681         {KBD_BELARUSIAN, "by", 0},
 682         {KBD_SLOVENIAN, "si", 0},
 683         {KBD_ESTONIAN, "ee", 0},
 684         {KBD_LATVIAN, "lv", 0},
 685         {KBD_LITHUANIAN_IBM, "lt", "ibm"},
 686         {KBD_FARSI, "af", 0},
 687         {KBD_VIETNAMESE, "vn", 0},
 688         {KBD_ARMENIAN_EASTERN, "am", 0},
 689         {KBD_AZERI_LATIN, 0, 0},
 690         {KBD_FYRO_MACEDONIAN, "mk", 0},
 691         {KBD_GEORGIAN, "ge", 0},
 692         {KBD_FAEROESE, 0, 0},
 693         {KBD_DEVANAGARI_INSCRIPT, 0, 0},
 694         {KBD_MALTESE_47_KEY, 0, 0},
 695         {KBD_NORWEGIAN_WITH_SAMI, "no", "smi"},
 696         {KBD_KAZAKH, "kz", 0},
 697         {KBD_KYRGYZ_CYRILLIC, "kg", "phonetic"},
 698         {KBD_TATAR, "ru", "tt"},
 699         {KBD_BENGALI, "bd", 0},
 700         {KBD_BENGALI_INSCRIPT, "bd", "probhat"},
 701         {KBD_PUNJABI, 0, 0},
 702         {KBD_GUJARATI, "in", "guj"},
 703         {KBD_TAMIL, "in", "tam"},
 704         {KBD_TELUGU, "in", "tel"},
 705         {KBD_KANNADA, "in", "kan"},
 706         {KBD_MALAYALAM, "in", "mal"},
 707         {KBD_HINDI_TRADITIONAL, "in", 0},
 708         {KBD_MARATHI, 0, 0},
 709         {KBD_MONGOLIAN_CYRILLIC, "mn", 0},
 710         {KBD_UNITED_KINGDOM_EXTENDED, "gb", "intl"},
 711         {KBD_SYRIAC, "syc", 0},
 712         {KBD_SYRIAC_PHONETIC, "syc", "syc_phonetic"},
 713         {KBD_NEPALI, "np", 0},
 714         {KBD_PASHTO, "af", "ps"},
 715         {KBD_DIVEHI_PHONETIC, 0, 0},
 716         {KBD_LUXEMBOURGISH, 0, 0},
 717         {KBD_MAORI, "mao", 0},
 718         {KBD_CHINESE_SIMPLIFIED_US, 0, 0},
 719         {KBD_SWISS_GERMAN, "ch", "de_nodeadkeys"},
 720         {KBD_UNITED_KINGDOM, "gb", 0},
 721         {KBD_LATIN_AMERICAN, "latam", 0},
 722         {KBD_BELGIAN_FRENCH, "be", 0},
 723         {KBD_BELGIAN_PERIOD, "be", "oss_sundeadkeys"},
 724         {KBD_PORTUGUESE, "pt", 0},
 725         {KBD_SERBIAN_LATIN, "rs", 0},
 726         {KBD_AZERI_CYRILLIC, "az", "cyrillic"},
 727         {KBD_SWEDISH_WITH_SAMI, "se", "smi"},
 728         {KBD_UZBEK_CYRILLIC, "af", "uz"},
 729         {KBD_INUKTITUT_LATIN, "ca", "ike"},
 730         {KBD_CANADIAN_FRENCH_LEGACY, "ca", "fr-legacy"},
 731         {KBD_SERBIAN_CYRILLIC, "rs", 0},
 732         {KBD_CANADIAN_FRENCH, "ca", "fr-legacy"},
 733         {KBD_SWISS_FRENCH, "ch", "fr"},
 734         {KBD_BOSNIAN, "ba", 0},
 735         {KBD_IRISH, 0, 0},
 736         {KBD_BOSNIAN_CYRILLIC, "ba", "us"},
 737         {KBD_UNITED_STATES_DVORAK, "us", "dvorak"},
 738         {KBD_PORTUGUESE_BRAZILIAN_ABNT2, "br", "nativo"},
 739         {KBD_CANADIAN_MULTILINGUAL_STANDARD, "ca", "multix"},
 740         {KBD_GAELIC, "ie", "CloGaelach"},
 741
 742         {0x00000000, 0, 0},
 743 };
 744
 745 /* taken from 2.2.7.1.6 Input Capability Set (TS_INPUT_CAPABILITYSET) */
 746 static char *rdp_keyboard_types[] = {
 747         "",     /* 0: unused */
 748         "", /* 1: IBM PC/XT or compatible (83-key) keyboard */
 749         "", /* 2: Olivetti "ICO" (102-key) keyboard */
 750         "", /* 3: IBM PC/AT (84-key) or similar keyboard */
 751         "pc102",/* 4: IBM enhanced (101- or 102-key) keyboard */
 752         "", /* 5: Nokia 1050 and similar keyboards */
 753         "",     /* 6: Nokia 9140 and similar keyboards */
 754         ""      /* 7: Japanese keyboard */
 755 };
 756
 757 static BOOL
 758 xf_peer_post_connect(freerdp_peer* client)
 759 {
 760         RdpPeerContext *peerCtx;
 761         struct rdp_compositor *c;
 762         struct rdp_output *output;
 763         rdpSettings *settings;
 764         rdpPointerUpdate *pointer;
 765         struct xkb_context *xkbContext;
 766         struct xkb_rule_names xkbRuleNames;
 767         struct xkb_keymap *keymap;
 768         int i;
 769         pixman_box32_t box;
 770         pixman_region32_t damage;
 771
 772
 773         peerCtx = (RdpPeerContext *)client->context;
 774         c = peerCtx->rdpCompositor;
 775         output = c->output;
 776         settings = client->settings;
 777
 778         if (!settings->SurfaceCommandsEnabled) {
 779                 weston_log("client doesn't support required SurfaceCommands\n");
 780                 return FALSE;
 781         }
 782
 783         if (output->base.width != (int)settings->DesktopWidth ||
 784                         output->base.height != (int)settings->DesktopHeight)
 785         {
 786                 if (c->no_clients_resize) {
 787                         /* RDP peers don't dictate their resolution to weston */
 788                         if (!settings->DesktopResize) {
 789                                 /* peer does not support desktop resize */
 790                                 weston_log("%s: client doesn't support resizing, closing connection\n", __FUNCTION__);
 791                                 return FALSE;
 792                         } else {
 793                                 settings->DesktopWidth = output->base.width;
 794                                 settings->DesktopHeight = output->base.height;
 795                                 client->update->DesktopResize(client->context);
 796                         }
 797                 } else {
 798                         /* ask weston to adjust size */
 799                         struct weston_mode new_mode;
 800                         struct weston_mode *target_mode;
 801                         new_mode.width = (int)settings->DesktopWidth;
 802                         new_mode.height = (int)settings->DesktopHeight;
 803                         target_mode = ensure_matching_mode(&output->base, &new_mode);
 804                         if (!target_mode) {
 805                                 weston_log("client mode not found\n");
 806                                 return FALSE;
 807                         }
 808                         weston_output_switch_mode(&output->base, target_mode, 1, WESTON_MODE_SWITCH_SET_NATIVE);
 809                         output->base.width = new_mode.width;
 810                         output->base.height = new_mode.height;
 811                 }
 812         }
 813
 814         weston_log("kbd_layout:%x kbd_type:%x kbd_subType:%x kbd_functionKeys:%x\n",
 815                         settings->KeyboardLayout, settings->KeyboardType, settings->KeyboardSubType,
 816                         settings->KeyboardFunctionKey);
 817
 818         memset(&xkbRuleNames, 0, sizeof(xkbRuleNames));
 819         if (settings->KeyboardType <= 7)
 820                 xkbRuleNames.model = rdp_keyboard_types[settings->KeyboardType];
 821         for(i = 0; rdp_keyboards[i].rdpLayoutCode; i++) {
 822                 if (rdp_keyboards[i].rdpLayoutCode == settings->KeyboardLayout) {
 823                         xkbRuleNames.layout = rdp_keyboards[i].xkbLayout;
 824                         xkbRuleNames.variant = rdp_keyboards[i].xkbVariant;
 825                         weston_log("%s: matching layout=%s variant=%s\n", __FUNCTION__,
 826                                         xkbRuleNames.layout, xkbRuleNames.variant);
 827                         break;
 828                 }
 829         }
 830
 831         keymap = NULL;
 832         if (xkbRuleNames.layout) {
 833                 xkbContext = xkb_context_new(0);
 834                 if (!xkbContext) {
 835                         weston_log("unable to create a xkb_context\n");
 836                         return FALSE;
 837                 }
 838
 839                 keymap = xkb_keymap_new_from_names(xkbContext, &xkbRuleNames, 0);
 840         }
 841         weston_seat_init_keyboard(&peerCtx->item.seat, keymap);
 842         weston_seat_init_pointer(&peerCtx->item.seat);
 843
 844         peerCtx->item.flags |= RDP_PEER_ACTIVATED;
 845
 846         /* disable pointer on the client side */
 847         pointer = client->update->pointer;
 848         pointer->pointer_system.type = SYSPTR_NULL;
 849         pointer->PointerSystem(client->context, &pointer->pointer_system);
 850
 851         /* sends a full refresh */
 852         box.x1 = 0;
 853         box.y1 = 0;
 854         box.x2 = output->base.width;
 855         box.y2 = output->base.height;
 856         pixman_region32_init_with_extents(&damage, &box);
 857
 858         rdp_peer_refresh_region(&damage, client);
 859
 860         pixman_region32_fini(&damage);
 861
 862         return TRUE;
 863 }
 864
 865 static BOOL
 866 xf_peer_activate(freerdp_peer *client)
 867 {
 868         RdpPeerContext *context = (RdpPeerContext *)client->context;
 869         rfx_context_reset(context->rfx_context);
 870         return TRUE;
 871 }
 872
 873 static void
 874 xf_mouseEvent(rdpInput *input, UINT16 flags, UINT16 x, UINT16 y) {
 875         wl_fixed_t wl_x, wl_y, axis;
 876         RdpPeerContext *peerContext = (RdpPeerContext *)input->context;
 877         struct rdp_output *output;
 878         uint32_t button = 0;
 879
 880         if (flags & PTR_FLAGS_MOVE) {
 881                 output = peerContext->rdpCompositor->output;
 882                 if (x < output->base.width && y < output->base.height) {
 883                         wl_x = wl_fixed_from_int((int)x);
 884                         wl_y = wl_fixed_from_int((int)y);
 885                         notify_motion_absolute(&peerContext->item.seat, weston_compositor_get_time(),
 886                                         wl_x, wl_y);
 887                 }
 888         }
 889
 890         if (flags & PTR_FLAGS_BUTTON1)
 891                 button = BTN_LEFT;
 892         else if (flags & PTR_FLAGS_BUTTON2)
 893                 button = BTN_RIGHT;
 894         else if (flags & PTR_FLAGS_BUTTON3)
 895                 button = BTN_MIDDLE;
 896
 897         if (button) {
 898                 notify_button(&peerContext->item.seat, weston_compositor_get_time(), button,
 899                         (flags & PTR_FLAGS_DOWN) ? WL_POINTER_BUTTON_STATE_PRESSED : WL_POINTER_BUTTON_STATE_RELEASED
 900                 );
 901         }
 902
 903         if (flags & PTR_FLAGS_WHEEL) {
 904                 /* DEFAULT_AXIS_STEP_DISTANCE is stolen from compositor-x11.c
 905                  * The RDP specs says the lower bits of flags contains the "the number of rotation
 906                  * units the mouse wheel was rotated".
 907                  *
 908                  * http://blogs.msdn.com/b/oldnewthing/archive/2013/01/23/10387366.aspx explains the 120 value
 909                  */
 910                 axis = (DEFAULT_AXIS_STEP_DISTANCE * (flags & 0xff)) / 120;
 911                 if (flags & PTR_FLAGS_WHEEL_NEGATIVE)
 912                         axis = -axis;
 913
 914                 notify_axis(&peerContext->item.seat, weston_compositor_get_time(),
 915                                             WL_POINTER_AXIS_VERTICAL_SCROLL,
 916                                             axis);
 917         }
 918 }
 919
 920 static void
 921 xf_extendedMouseEvent(rdpInput *input, UINT16 flags, UINT16 x, UINT16 y) {
 922         wl_fixed_t wl_x, wl_y;
 923         RdpPeerContext *peerContext = (RdpPeerContext *)input->context;
 924         struct rdp_output *output;
 925
 926         output = peerContext->rdpCompositor->output;
 927         if (x < output->base.width && y < output->base.height) {
 928                 wl_x = wl_fixed_from_int((int)x);
 929                 wl_y = wl_fixed_from_int((int)y);
 930                 notify_motion_absolute(&peerContext->item.seat, weston_compositor_get_time(),
 931                                 wl_x, wl_y);
 932         }
 933 }
 934
 935
 936 static void
 937 xf_input_synchronize_event(rdpInput *input, UINT32 flags)
 938 {
 939         freerdp_peer *client = input->context->peer;
 940         RdpPeerContext *peerCtx = (RdpPeerContext *)input->context;
 941         struct rdp_output *output = peerCtx->rdpCompositor->output;
 942         pixman_box32_t box;
 943         pixman_region32_t damage;
 944
 945         /* sends a full refresh */
 946         box.x1 = 0;
 947         box.y1 = 0;
 948         box.x2 = output->base.width;
 949         box.y2 = output->base.height;
 950         pixman_region32_init_with_extents(&damage, &box);
 951
 952         rdp_peer_refresh_region(&damage, client);
 953
 954         pixman_region32_fini(&damage);
 955 }
 956
 957
 958 static void
 959 xf_input_keyboard_event(rdpInput *input, UINT16 flags, UINT16 code)
 960 {
 961         uint32_t scan_code, vk_code, full_code;
 962         enum wl_keyboard_key_state keyState;
 963         RdpPeerContext *peerContext = (RdpPeerContext *)input->context;
 964         int notify = 0;
 965
 966         if (flags & KBD_FLAGS_DOWN) {
 967                 keyState = WL_KEYBOARD_KEY_STATE_PRESSED;
 968                 notify = 1;
 969         } else if (flags & KBD_FLAGS_RELEASE) {
 970                 keyState = WL_KEYBOARD_KEY_STATE_RELEASED;
 971                 notify = 1;
 972         }
 973
 974         if (notify) {
 975                 full_code = code;
 976                 if (flags & KBD_FLAGS_EXTENDED)
 977                         full_code |= KBD_FLAGS_EXTENDED;
 978
 979                 vk_code = GetVirtualKeyCodeFromVirtualScanCode(full_code, 4);
 980                 if(flags & KBD_FLAGS_EXTENDED)
 981                         vk_code |= KBDEXT;
 982
 983                 scan_code = GetKeycodeFromVirtualKeyCode(vk_code, KEYCODE_TYPE_EVDEV);
 984
 985                 /*weston_log("code=%x ext=%d vk_code=%x scan_code=%x\n", code, (flags & KBD_FLAGS_EXTENDED) ? 1 : 0,
 986                                 vk_code, scan_code);*/
 987                 notify_key(&peerContext->item.seat, weston_compositor_get_time(),
 988                                         scan_code - 8, keyState, STATE_UPDATE_AUTOMATIC);
 989         }
 990 }
 991
 992 static void
 993 xf_input_unicode_keyboard_event(rdpInput *input, UINT16 flags, UINT16 code)
 994 {
 995         weston_log("Client sent a unicode keyboard event (flags:0x%X code:0x%X)\n", flags, code);
 996 }
 997
 998
 999 static void
1000 xf_suppress_output(rdpContext *context, BYTE allow, RECTANGLE_16 *area) {
1001         RdpPeerContext *peerContext = (RdpPeerContext *)context;
1002         if (allow)
1003                 peerContext->item.flags |= RDP_PEER_OUTPUT_ENABLED;
1004         else
1005                 peerContext->item.flags &= (~RDP_PEER_OUTPUT_ENABLED);
1006 }
1007
1008 static int
1009 rdp_peer_init(freerdp_peer *client, struct rdp_compositor *c)
1010 {
1011         int rcount = 0;
1012         void *rfds[MAX_FREERDP_FDS];
1013         int i, fd;
1014         struct wl_event_loop *loop;
1015         rdpSettings     *settings;
1016         rdpInput *input;
1017         RdpPeerContext *peerCtx;
1018         char seat_name[32];
1019
1020         client->ContextSize = sizeof(RdpPeerContext);
1021         client->ContextNew = (psPeerContextNew)rdp_peer_context_new;
1022         client->ContextFree = (psPeerContextFree)rdp_peer_context_free;
1023         freerdp_peer_context_new(client);
1024
1025         peerCtx = (RdpPeerContext *) client->context;
1026         peerCtx->rdpCompositor = c;
1027
1028         settings = client->settings;
1029         settings->RdpKeyFile = c->rdp_key;
1030         if (c->tls_enabled) {
1031                 settings->CertificateFile = c->server_cert;
1032                 settings->PrivateKeyFile = c->server_key;
1033         } else {
1034                 settings->TlsSecurity = FALSE;
1035         }
1036
1037         settings->NlaSecurity = FALSE;
1038
1039         client->Capabilities = xf_peer_capabilities;
1040         client->PostConnect = xf_peer_post_connect;
1041         client->Activate = xf_peer_activate;
1042
1043         client->update->SuppressOutput = xf_suppress_output;
1044
1045         input = client->input;
1046         input->SynchronizeEvent = xf_input_synchronize_event;
1047         input->MouseEvent = xf_mouseEvent;
1048         input->ExtendedMouseEvent = xf_extendedMouseEvent;
1049         input->KeyboardEvent = xf_input_keyboard_event;
1050         input->UnicodeKeyboardEvent = xf_input_unicode_keyboard_event;
1051
1052         if (snprintf(seat_name, 32, "rdp:%d:%s", client->sockfd, client->hostname) >= 32)
1053                 seat_name[31] = '\0';
1054
1055         weston_seat_init(&peerCtx->item.seat, &c->base, seat_name);
1056
1057         client->Initialize(client);
1058
1059         if (!client->GetFileDescriptor(client, rfds, &rcount)) {
1060                 weston_log("unable to retrieve client fds\n");
1061                 return -1;
1062         }
1063
1064         loop = wl_display_get_event_loop(c->base.wl_display);
1065         for(i = 0; i < rcount; i++) {
1066                 fd = (int)(long)(rfds[i]);
1067
1068                 peerCtx->events[i] = wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
1069                                 rdp_client_activity, client);
1070         }
1071         for ( ; i < MAX_FREERDP_FDS; i++)
1072                 peerCtx->events[i] = 0;
1073
1074         wl_list_insert(&c->output->peers, &peerCtx->item.link);
1075         return 0;
1076 }
1077
1078
1079 static void
1080 rdp_incoming_peer(freerdp_listener *instance, freerdp_peer *client)
1081 {
1082         struct rdp_compositor *c = (struct rdp_compositor *)instance->param4;
1083         if (rdp_peer_init(client, c) < 0)
1084                 return;
1085 }
1086
1087 static struct weston_compositor *
1088 rdp_compositor_create(struct wl_display *display,
1089                 struct rdp_compositor_config *config,
1090                 int *argc, char *argv[], struct weston_config *wconfig)
1091 {
1092         struct rdp_compositor *c;
1093         char *fd_str;
1094         int fd;
1095
1096         c = zalloc(sizeof *c);
1097         if (c == NULL)
1098                 return NULL;
1099
1100         if (weston_compositor_init(&c->base, display, argc, argv, wconfig) < 0)
1101                 goto err_free;
1102
1103         c->base.destroy = rdp_destroy;
1104         c->base.restore = rdp_restore;
1105         c->rdp_key = config->rdp_key ? strdup(config->rdp_key) : NULL;
1106         c->no_clients_resize = config->no_clients_resize;
1107
1108         /* activate TLS only if certificate/key are available */
1109         if (config->server_cert && config->server_key) {
1110                 weston_log("TLS support activated\n");
1111                 c->server_cert = strdup(config->server_cert);
1112                 c->server_key = strdup(config->server_key);
1113                 if (!c->server_cert || !c->server_key)
1114                         goto err_free_strings;
1115                 c->tls_enabled = 1;
1116         }
1117
1118         if (pixman_renderer_init(&c->base) < 0)
1119                 goto err_compositor;
1120
1121         if (rdp_compositor_create_output(c, config->width, config->height) < 0)
1122                 goto err_compositor;
1123
1124         c->base.capabilities |= WESTON_CAP_ARBITRARY_MODES;
1125
1126         if(!config->env_socket) {
1127                 c->listener = freerdp_listener_new();
1128                 c->listener->PeerAccepted = rdp_incoming_peer;
1129                 c->listener->param4 = c;
1130                 if (!c->listener->Open(c->listener, config->bind_address, config->port)) {
1131                         weston_log("unable to bind rdp socket\n");
1132                         goto err_listener;
1133                 }
1134
1135                 if (rdp_implant_listener(c, c->listener) < 0)
1136                         goto err_compositor;
1137         } else {
1138                 /* get the socket from RDP_FD var */
1139                 fd_str = getenv("RDP_FD");
1140                 if (!fd_str) {
1141                         weston_log("RDP_FD env variable not set");
1142                         goto err_output;
1143                 }
1144
1145                 fd = strtoul(fd_str, NULL, 10);
1146                 if (rdp_peer_init(freerdp_peer_new(fd), c))
1147                         goto err_output;
1148         }
1149
1150         return &c->base;
1151
1152 err_listener:
1153         freerdp_listener_free(c->listener);
1154 err_output:
1155         weston_output_destroy(&c->output->base);
1156 err_compositor:
1157         weston_compositor_shutdown(&c->base);
1158 err_free_strings:
1159         if (c->rdp_key)
1160                 free(c->rdp_key);
1161         if (c->server_cert)
1162                 free(c->server_cert);
1163         if (c->server_key)
1164                 free(c->server_key);
1165 err_free:
1166         free(c);
1167         return NULL;
1168 }
1169
1170 WL_EXPORT struct weston_compositor *
1171 backend_init(struct wl_display *display, int *argc, char *argv[],
1172              struct weston_config *wconfig)
1173 {
1174         struct rdp_compositor_config config;
1175         rdp_compositor_config_init(&config);
1176         int major, minor, revision;
1177
1178         freerdp_get_version(&major, &minor, &revision);
1179         weston_log("using FreeRDP version %d.%d.%d\n", major, minor, revision);
1180
1181         const struct weston_option rdp_options[] = {
1182                 { WESTON_OPTION_BOOLEAN, "env-socket", 0, &config.env_socket },
1183                 { WESTON_OPTION_INTEGER, "width", 0, &config.width },
1184                 { WESTON_OPTION_INTEGER, "height", 0, &config.height },
1185                 { WESTON_OPTION_STRING,  "address", 0, &config.bind_address },
1186                 { WESTON_OPTION_INTEGER, "port", 0, &config.port },
1187                 { WESTON_OPTION_BOOLEAN, "no-clients-resize", 0, &config.no_clients_resize },
1188                 { WESTON_OPTION_STRING,  "rdp4-key", 0, &config.rdp_key },
1189                 { WESTON_OPTION_STRING,  "rdp-tls-cert", 0, &config.server_cert },
1190                 { WESTON_OPTION_STRING,  "rdp-tls-key", 0, &config.server_key }
1191         };
1192
1193         parse_options(rdp_options, ARRAY_LENGTH(rdp_options), argc, argv);
1194         return rdp_compositor_create(display, &config, argc, argv, wconfig);
1195 }