/* * Copyright © 2013 Hardening * * Permission is hereby granted, free of charge, to any person obtaining * a copy of this software and associated documentation files (the * "Software"), to deal in the Software without restriction, including * without limitation the rights to use, copy, modify, merge, publish, * distribute, sublicense, and/or sell copies of the Software, and to * permit persons to whom the Software is furnished to do so, subject to * the following conditions: * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial * portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ #include "config.h" #include #include #include #include #include #include #if HAVE_FREERDP_VERSION_H #include #else /* assume it's a early 1.1 version */ #define FREERDP_VERSION_MAJOR 1 #define FREERDP_VERSION_MINOR 1 #define FREERDP_VERSION_REVISION 0 #endif #define FREERDP_VERSION_NUMBER ((FREERDP_VERSION_MAJOR * 0x10000) + \ (FREERDP_VERSION_MINOR * 0x100) + FREERDP_VERSION_REVISION) #if FREERDP_VERSION_NUMBER >= 0x10201 #define HAVE_SKIP_COMPRESSION #endif #if FREERDP_VERSION_NUMBER < 0x10202 # define FREERDP_CB_RET_TYPE void # define FREERDP_CB_RETURN(V) return # define NSC_RESET(C, W, H) # define RFX_RESET(C, W, H) do { rfx_context_reset(C); C->width = W; C->height = H; } while(0) #else #if FREERDP_VERSION_MAJOR >= 2 # define NSC_RESET(C, W, H) nsc_context_reset(C, W, H) # define RFX_RESET(C, W, H) rfx_context_reset(C, W, H) #else # define NSC_RESET(C, W, H) do { nsc_context_reset(C); C->width = W; C->height = H; } while(0) # define RFX_RESET(C, W, H) do { rfx_context_reset(C); C->width = W; C->height = H; } while(0) #endif #define FREERDP_CB_RET_TYPE BOOL #define FREERDP_CB_RETURN(V) return TRUE #endif #include #include #include #include #include #include #include #include #include #if FREERDP_VERSION_MAJOR >= 2 #include #endif #include "shared/helpers.h" #include "shared/timespec-util.h" #include "compositor.h" #include "compositor-rdp.h" #include "pixman-renderer.h" #define MAX_FREERDP_FDS 32 #define DEFAULT_AXIS_STEP_DISTANCE 10 #define RDP_MODE_FREQ 60 * 1000 #if FREERDP_VERSION_MAJOR >= 2 && defined(PIXEL_FORMAT_BGRA32) && !defined(PIXEL_FORMAT_B8G8R8A8) /* The RDP API is truly wonderful: the pixel format definition changed * from BGRA32 to B8G8R8A8, but some versions ship with a definition of * PIXEL_FORMAT_BGRA32 which doesn't actually build. Try really, really, * hard to find one which does. */ # define DEFAULT_PIXEL_FORMAT PIXEL_FORMAT_BGRA32 #else # define DEFAULT_PIXEL_FORMAT RDP_PIXEL_FORMAT_B8G8R8A8 #endif struct rdp_output; struct rdp_backend { struct weston_backend base; struct weston_compositor *compositor; freerdp_listener *listener; struct wl_event_source *listener_events[MAX_FREERDP_FDS]; struct rdp_output *output; char *server_cert; char *server_key; char *rdp_key; int tls_enabled; int no_clients_resize; }; enum peer_item_flags { RDP_PEER_ACTIVATED = (1 << 0), RDP_PEER_OUTPUT_ENABLED = (1 << 1), }; struct rdp_peers_item { int flags; freerdp_peer *peer; struct weston_seat *seat; struct wl_list link; }; struct rdp_output { struct weston_output base; struct wl_event_source *finish_frame_timer; pixman_image_t *shadow_surface; struct wl_list peers; }; struct rdp_peer_context { rdpContext _p; struct rdp_backend *rdpBackend; struct wl_event_source *events[MAX_FREERDP_FDS]; RFX_CONTEXT *rfx_context; wStream *encode_stream; RFX_RECT *rfx_rects; NSC_CONTEXT *nsc_context; struct rdp_peers_item item; }; typedef struct rdp_peer_context RdpPeerContext; static inline struct rdp_output * to_rdp_output(struct weston_output *base) { return container_of(base, struct rdp_output, base); } static inline struct rdp_backend * to_rdp_backend(struct weston_compositor *base) { return container_of(base->backend, struct rdp_backend, base); } static void rdp_peer_refresh_rfx(pixman_region32_t *damage, pixman_image_t *image, freerdp_peer *peer) { int width, height, nrects, i; pixman_box32_t *region, *rects; uint32_t *ptr; RFX_RECT *rfxRect; rdpUpdate *update = peer->update; SURFACE_BITS_COMMAND *cmd = &update->surface_bits_command; RdpPeerContext *context = (RdpPeerContext *)peer->context; Stream_Clear(context->encode_stream); Stream_SetPosition(context->encode_stream, 0); width = (damage->extents.x2 - damage->extents.x1); height = (damage->extents.y2 - damage->extents.y1); #ifdef HAVE_SKIP_COMPRESSION cmd->skipCompression = TRUE; #else memset(cmd, 0, sizeof(*cmd)); #endif cmd->destLeft = damage->extents.x1; cmd->destTop = damage->extents.y1; cmd->destRight = damage->extents.x2; cmd->destBottom = damage->extents.y2; cmd->bpp = 32; cmd->codecID = peer->settings->RemoteFxCodecId; cmd->width = width; cmd->height = height; ptr = pixman_image_get_data(image) + damage->extents.x1 + damage->extents.y1 * (pixman_image_get_stride(image) / sizeof(uint32_t)); rects = pixman_region32_rectangles(damage, &nrects); context->rfx_rects = realloc(context->rfx_rects, nrects * sizeof *rfxRect); for (i = 0; i < nrects; i++) { region = &rects[i]; rfxRect = &context->rfx_rects[i]; rfxRect->x = (region->x1 - damage->extents.x1); rfxRect->y = (region->y1 - damage->extents.y1); rfxRect->width = (region->x2 - region->x1); rfxRect->height = (region->y2 - region->y1); } rfx_compose_message(context->rfx_context, context->encode_stream, context->rfx_rects, nrects, (BYTE *)ptr, width, height, pixman_image_get_stride(image) ); cmd->bitmapDataLength = Stream_GetPosition(context->encode_stream); cmd->bitmapData = Stream_Buffer(context->encode_stream); update->SurfaceBits(update->context, cmd); } static void rdp_peer_refresh_nsc(pixman_region32_t *damage, pixman_image_t *image, freerdp_peer *peer) { int width, height; uint32_t *ptr; rdpUpdate *update = peer->update; SURFACE_BITS_COMMAND *cmd = &update->surface_bits_command; RdpPeerContext *context = (RdpPeerContext *)peer->context; Stream_Clear(context->encode_stream); Stream_SetPosition(context->encode_stream, 0); width = (damage->extents.x2 - damage->extents.x1); height = (damage->extents.y2 - damage->extents.y1); #ifdef HAVE_SKIP_COMPRESSION cmd->skipCompression = TRUE; #else memset(cmd, 0, sizeof(*cmd)); #endif cmd->destLeft = damage->extents.x1; cmd->destTop = damage->extents.y1; cmd->destRight = damage->extents.x2; cmd->destBottom = damage->extents.y2; cmd->bpp = 32; cmd->codecID = peer->settings->NSCodecId; cmd->width = width; cmd->height = height; ptr = pixman_image_get_data(image) + damage->extents.x1 + damage->extents.y1 * (pixman_image_get_stride(image) / sizeof(uint32_t)); nsc_compose_message(context->nsc_context, context->encode_stream, (BYTE *)ptr, cmd->width, cmd->height, pixman_image_get_stride(image)); cmd->bitmapDataLength = Stream_GetPosition(context->encode_stream); cmd->bitmapData = Stream_Buffer(context->encode_stream); update->SurfaceBits(update->context, cmd); } static void pixman_image_flipped_subrect(const pixman_box32_t *rect, pixman_image_t *img, BYTE *dest) { int stride = pixman_image_get_stride(img); int h; int toCopy = (rect->x2 - rect->x1) * 4; int height = (rect->y2 - rect->y1); const BYTE *src = (const BYTE *)pixman_image_get_data(img); src += ((rect->y2-1) * stride) + (rect->x1 * 4); for (h = 0; h < height; h++, src -= stride, dest += toCopy) memcpy(dest, src, toCopy); } static void rdp_peer_refresh_raw(pixman_region32_t *region, pixman_image_t *image, freerdp_peer *peer) { rdpUpdate *update = peer->update; SURFACE_BITS_COMMAND *cmd = &update->surface_bits_command; SURFACE_FRAME_MARKER *marker = &update->surface_frame_marker; pixman_box32_t *rect, subrect; int nrects, i; int heightIncrement, remainingHeight, top; rect = pixman_region32_rectangles(region, &nrects); if (!nrects) return; marker->frameId++; marker->frameAction = SURFACECMD_FRAMEACTION_BEGIN; update->SurfaceFrameMarker(peer->context, marker); memset(cmd, 0, sizeof(*cmd)); cmd->bpp = 32; cmd->codecID = 0; for (i = 0; i < nrects; i++, rect++) { /*weston_log("rect(%d,%d, %d,%d)\n", rect->x1, rect->y1, rect->x2, rect->y2);*/ cmd->destLeft = rect->x1; cmd->destRight = rect->x2; cmd->width = rect->x2 - rect->x1; heightIncrement = peer->settings->MultifragMaxRequestSize / (16 + cmd->width * 4); remainingHeight = rect->y2 - rect->y1; top = rect->y1; subrect.x1 = rect->x1; subrect.x2 = rect->x2; while (remainingHeight) { cmd->height = (remainingHeight > heightIncrement) ? heightIncrement : remainingHeight; cmd->destTop = top; cmd->destBottom = top + cmd->height; cmd->bitmapDataLength = cmd->width * cmd->height * 4; cmd->bitmapData = (BYTE *)realloc(cmd->bitmapData, cmd->bitmapDataLength); subrect.y1 = top; subrect.y2 = top + cmd->height; pixman_image_flipped_subrect(&subrect, image, cmd->bitmapData); /*weston_log("* sending (%d,%d, %d,%d)\n", subrect.x1, subrect.y1, subrect.x2, subrect.y2); */ update->SurfaceBits(peer->context, cmd); remainingHeight -= cmd->height; top += cmd->height; } } marker->frameAction = SURFACECMD_FRAMEACTION_END; update->SurfaceFrameMarker(peer->context, marker); } static void rdp_peer_refresh_region(pixman_region32_t *region, freerdp_peer *peer) { RdpPeerContext *context = (RdpPeerContext *)peer->context; struct rdp_output *output = context->rdpBackend->output; rdpSettings *settings = peer->settings; if (settings->RemoteFxCodec) rdp_peer_refresh_rfx(region, output->shadow_surface, peer); else if (settings->NSCodec) rdp_peer_refresh_nsc(region, output->shadow_surface, peer); else rdp_peer_refresh_raw(region, output->shadow_surface, peer); } static void rdp_output_start_repaint_loop(struct weston_output *output) { struct timespec ts; weston_compositor_read_presentation_clock(output->compositor, &ts); weston_output_finish_frame(output, &ts, WP_PRESENTATION_FEEDBACK_INVALID); } static int rdp_output_repaint(struct weston_output *output_base, pixman_region32_t *damage, void *repaint_data) { struct rdp_output *output = container_of(output_base, struct rdp_output, base); struct weston_compositor *ec = output->base.compositor; struct rdp_peers_item *outputPeer; pixman_renderer_output_set_buffer(output_base, output->shadow_surface); ec->renderer->repaint_output(&output->base, damage); if (pixman_region32_not_empty(damage)) { wl_list_for_each(outputPeer, &output->peers, link) { if ((outputPeer->flags & RDP_PEER_ACTIVATED) && (outputPeer->flags & RDP_PEER_OUTPUT_ENABLED)) { rdp_peer_refresh_region(damage, outputPeer->peer); } } } pixman_region32_subtract(&ec->primary_plane.damage, &ec->primary_plane.damage, damage); wl_event_source_timer_update(output->finish_frame_timer, 16); return 0; } static int finish_frame_handler(void *data) { struct rdp_output *output = data; struct timespec ts; weston_compositor_read_presentation_clock(output->base.compositor, &ts); weston_output_finish_frame(&output->base, &ts, 0); return 1; } static struct weston_mode * rdp_insert_new_mode(struct weston_output *output, int width, int height, int rate) { struct weston_mode *ret; ret = zalloc(sizeof *ret); if (!ret) return NULL; ret->width = width; ret->height = height; ret->refresh = rate; wl_list_insert(&output->mode_list, &ret->link); return ret; } static struct weston_mode * ensure_matching_mode(struct weston_output *output, struct weston_mode *target) { struct weston_mode *local; wl_list_for_each(local, &output->mode_list, link) { if ((local->width == target->width) && (local->height == target->height)) return local; } return rdp_insert_new_mode(output, target->width, target->height, RDP_MODE_FREQ); } static int rdp_switch_mode(struct weston_output *output, struct weston_mode *target_mode) { struct rdp_output *rdpOutput = container_of(output, struct rdp_output, base); struct rdp_peers_item *rdpPeer; rdpSettings *settings; pixman_image_t *new_shadow_buffer; struct weston_mode *local_mode; local_mode = ensure_matching_mode(output, target_mode); if (!local_mode) { weston_log("mode %dx%d not available\n", target_mode->width, target_mode->height); return -ENOENT; } if (local_mode == output->current_mode) return 0; output->current_mode->flags &= ~WL_OUTPUT_MODE_CURRENT; output->current_mode = local_mode; output->current_mode->flags |= WL_OUTPUT_MODE_CURRENT; pixman_renderer_output_destroy(output); pixman_renderer_output_create(output); new_shadow_buffer = pixman_image_create_bits(PIXMAN_x8r8g8b8, target_mode->width, target_mode->height, 0, target_mode->width * 4); pixman_image_composite32(PIXMAN_OP_SRC, rdpOutput->shadow_surface, 0, new_shadow_buffer, 0, 0, 0, 0, 0, 0, target_mode->width, target_mode->height); pixman_image_unref(rdpOutput->shadow_surface); rdpOutput->shadow_surface = new_shadow_buffer; wl_list_for_each(rdpPeer, &rdpOutput->peers, link) { settings = rdpPeer->peer->settings; if (settings->DesktopWidth == (UINT32)target_mode->width && settings->DesktopHeight == (UINT32)target_mode->height) continue; if (!settings->DesktopResize) { /* too bad this peer does not support desktop resize */ rdpPeer->peer->Close(rdpPeer->peer); } else { settings->DesktopWidth = target_mode->width; settings->DesktopHeight = target_mode->height; rdpPeer->peer->update->DesktopResize(rdpPeer->peer->context); } } return 0; } static int rdp_output_set_size(struct weston_output *base, int width, int height) { struct rdp_output *output = to_rdp_output(base); struct weston_mode *currentMode; struct weston_mode initMode; /* We can only be called once. */ assert(!output->base.current_mode); wl_list_init(&output->peers); initMode.flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED; initMode.width = width; initMode.height = height; initMode.refresh = RDP_MODE_FREQ; currentMode = ensure_matching_mode(&output->base, &initMode); if (!currentMode) return -1; output->base.current_mode = output->base.native_mode = currentMode; output->base.make = "weston"; output->base.model = "rdp"; /* XXX: Calculate proper size. */ output->base.mm_width = width; output->base.mm_height = height; output->base.start_repaint_loop = rdp_output_start_repaint_loop; output->base.repaint = rdp_output_repaint; output->base.assign_planes = NULL; output->base.set_backlight = NULL; output->base.set_dpms = NULL; output->base.switch_mode = rdp_switch_mode; return 0; } static int rdp_output_enable(struct weston_output *base) { struct rdp_output *output = to_rdp_output(base); struct rdp_backend *b = to_rdp_backend(base->compositor); struct wl_event_loop *loop; output->shadow_surface = pixman_image_create_bits(PIXMAN_x8r8g8b8, output->base.current_mode->width, output->base.current_mode->height, NULL, output->base.current_mode->width * 4); if (output->shadow_surface == NULL) { weston_log("Failed to create surface for frame buffer.\n"); return -1; } if (pixman_renderer_output_create(&output->base) < 0) { pixman_image_unref(output->shadow_surface); return -1; } loop = wl_display_get_event_loop(b->compositor->wl_display); output->finish_frame_timer = wl_event_loop_add_timer(loop, finish_frame_handler, output); b->output = output; return 0; } static int rdp_output_disable(struct weston_output *base) { struct rdp_output *output = to_rdp_output(base); struct rdp_backend *b = to_rdp_backend(base->compositor); if (!output->base.enabled) return 0; pixman_image_unref(output->shadow_surface); pixman_renderer_output_destroy(&output->base); wl_event_source_remove(output->finish_frame_timer); b->output = NULL; return 0; } static void rdp_output_destroy(struct weston_output *base) { struct rdp_output *output = to_rdp_output(base); rdp_output_disable(&output->base); weston_output_release(&output->base); free(output); } static int rdp_backend_create_output(struct weston_compositor *compositor) { struct rdp_output *output; output = zalloc(sizeof *output); if (output == NULL) return -1; weston_output_init(&output->base, compositor, "rdp"); output->base.destroy = rdp_output_destroy; output->base.disable = rdp_output_disable; output->base.enable = rdp_output_enable; weston_compositor_add_pending_output(&output->base, compositor); return 0; } static void rdp_restore(struct weston_compositor *ec) { } static void rdp_destroy(struct weston_compositor *ec) { struct rdp_backend *b = to_rdp_backend(ec); int i; weston_compositor_shutdown(ec); for (i = 0; i < MAX_FREERDP_FDS; i++) if (b->listener_events[i]) wl_event_source_remove(b->listener_events[i]); freerdp_listener_free(b->listener); free(b->server_cert); free(b->server_key); free(b->rdp_key); free(b); } static int rdp_listener_activity(int fd, uint32_t mask, void *data) { freerdp_listener* instance = (freerdp_listener *)data; if (!(mask & WL_EVENT_READABLE)) return 0; if (!instance->CheckFileDescriptor(instance)) { weston_log("failed to check FreeRDP file descriptor\n"); return -1; } return 0; } static int rdp_implant_listener(struct rdp_backend *b, freerdp_listener* instance) { int i, fd; int rcount = 0; void* rfds[MAX_FREERDP_FDS]; struct wl_event_loop *loop; if (!instance->GetFileDescriptor(instance, rfds, &rcount)) { weston_log("Failed to get FreeRDP file descriptor\n"); return -1; } loop = wl_display_get_event_loop(b->compositor->wl_display); for (i = 0; i < rcount; i++) { fd = (int)(long)(rfds[i]); b->listener_events[i] = wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE, rdp_listener_activity, instance); } for ( ; i < MAX_FREERDP_FDS; i++) b->listener_events[i] = 0; return 0; } static FREERDP_CB_RET_TYPE rdp_peer_context_new(freerdp_peer* client, RdpPeerContext* context) { context->item.peer = client; context->item.flags = RDP_PEER_OUTPUT_ENABLED; #if FREERDP_VERSION_MAJOR == 1 && FREERDP_VERSION_MINOR == 1 context->rfx_context = rfx_context_new(); #else context->rfx_context = rfx_context_new(TRUE); #endif if (!context->rfx_context) { FREERDP_CB_RETURN(FALSE); } context->rfx_context->mode = RLGR3; context->rfx_context->width = client->settings->DesktopWidth; context->rfx_context->height = client->settings->DesktopHeight; rfx_context_set_pixel_format(context->rfx_context, DEFAULT_PIXEL_FORMAT); context->nsc_context = nsc_context_new(); if (!context->nsc_context) goto out_error_nsc; nsc_context_set_pixel_format(context->nsc_context, DEFAULT_PIXEL_FORMAT); context->encode_stream = Stream_New(NULL, 65536); if (!context->encode_stream) goto out_error_stream; FREERDP_CB_RETURN(TRUE); out_error_nsc: rfx_context_free(context->rfx_context); out_error_stream: nsc_context_free(context->nsc_context); FREERDP_CB_RETURN(FALSE); } static void rdp_peer_context_free(freerdp_peer* client, RdpPeerContext* context) { int i; if (!context) return; wl_list_remove(&context->item.link); for (i = 0; i < MAX_FREERDP_FDS; i++) { if (context->events[i]) wl_event_source_remove(context->events[i]); } if (context->item.flags & RDP_PEER_ACTIVATED) { weston_seat_release_keyboard(context->item.seat); weston_seat_release_pointer(context->item.seat); /* XXX we should weston_seat_release(context->item.seat); here * but it would crash on reconnect */ } Stream_Free(context->encode_stream, TRUE); nsc_context_free(context->nsc_context); rfx_context_free(context->rfx_context); free(context->rfx_rects); } static int rdp_client_activity(int fd, uint32_t mask, void *data) { freerdp_peer* client = (freerdp_peer *)data; if (!client->CheckFileDescriptor(client)) { weston_log("unable to checkDescriptor for %p\n", client); goto out_clean; } return 0; out_clean: freerdp_peer_context_free(client); freerdp_peer_free(client); return 0; } static BOOL xf_peer_capabilities(freerdp_peer* client) { return TRUE; } struct rdp_to_xkb_keyboard_layout { UINT32 rdpLayoutCode; const char *xkbLayout; const char *xkbVariant; }; /* table reversed from https://github.com/awakecoding/FreeRDP/blob/master/libfreerdp/locale/xkb_layout_ids.c#L811 */ static struct rdp_to_xkb_keyboard_layout rdp_keyboards[] = { {KBD_ARABIC_101, "ara", 0}, {KBD_BULGARIAN, 0, 0}, {KBD_CHINESE_TRADITIONAL_US, 0}, {KBD_CZECH, "cz", 0}, {KBD_CZECH_PROGRAMMERS, "cz", "bksl"}, {KBD_CZECH_QWERTY, "cz", "qwerty"}, {KBD_DANISH, "dk", 0}, {KBD_GERMAN, "de", 0}, {KBD_GERMAN_NEO, "de", "neo"}, {KBD_GERMAN_IBM, "de", "qwerty"}, {KBD_GREEK, "gr", 0}, {KBD_GREEK_220, "gr", "simple"}, {KBD_GREEK_319, "gr", "extended"}, {KBD_GREEK_POLYTONIC, "gr", "polytonic"}, {KBD_US, "us", 0}, {KBD_US_ENGLISH_TABLE_FOR_IBM_ARABIC_238_L, "ara", "buckwalter"}, {KBD_SPANISH, "es", 0}, {KBD_SPANISH_VARIATION, "es", "nodeadkeys"}, {KBD_FINNISH, "fi", 0}, {KBD_FRENCH, "fr", 0}, {KBD_HEBREW, "il", 0}, {KBD_HUNGARIAN, "hu", 0}, {KBD_HUNGARIAN_101_KEY, "hu", "standard"}, {KBD_ICELANDIC, "is", 0}, {KBD_ITALIAN, "it", 0}, {KBD_ITALIAN_142, "it", "nodeadkeys"}, {KBD_JAPANESE, "jp", 0}, {KBD_JAPANESE_INPUT_SYSTEM_MS_IME2002, "jp", "kana"}, {KBD_KOREAN, "kr", 0}, {KBD_KOREAN_INPUT_SYSTEM_IME_2000, "kr", "kr104"}, {KBD_DUTCH, "nl", 0}, {KBD_NORWEGIAN, "no", 0}, {KBD_POLISH_PROGRAMMERS, "pl", 0}, {KBD_POLISH_214, "pl", "qwertz"}, {KBD_ROMANIAN, "ro", 0}, {KBD_RUSSIAN, "ru", 0}, {KBD_RUSSIAN_TYPEWRITER, "ru", "typewriter"}, {KBD_CROATIAN, "hr", 0}, {KBD_SLOVAK, "sk", 0}, {KBD_SLOVAK_QWERTY, "sk", "qwerty"}, {KBD_ALBANIAN, 0, 0}, {KBD_SWEDISH, "se", 0}, {KBD_THAI_KEDMANEE, "th", 0}, {KBD_THAI_KEDMANEE_NON_SHIFTLOCK, "th", "tis"}, {KBD_TURKISH_Q, "tr", 0}, {KBD_TURKISH_F, "tr", "f"}, {KBD_URDU, "in", "urd-phonetic3"}, {KBD_UKRAINIAN, "ua", 0}, {KBD_BELARUSIAN, "by", 0}, {KBD_SLOVENIAN, "si", 0}, {KBD_ESTONIAN, "ee", 0}, {KBD_LATVIAN, "lv", 0}, {KBD_LITHUANIAN_IBM, "lt", "ibm"}, {KBD_FARSI, "af", 0}, {KBD_VIETNAMESE, "vn", 0}, {KBD_ARMENIAN_EASTERN, "am", 0}, {KBD_AZERI_LATIN, 0, 0}, {KBD_FYRO_MACEDONIAN, "mk", 0}, {KBD_GEORGIAN, "ge", 0}, {KBD_FAEROESE, 0, 0}, {KBD_DEVANAGARI_INSCRIPT, 0, 0}, {KBD_MALTESE_47_KEY, 0, 0}, {KBD_NORWEGIAN_WITH_SAMI, "no", "smi"}, {KBD_KAZAKH, "kz", 0}, {KBD_KYRGYZ_CYRILLIC, "kg", "phonetic"}, {KBD_TATAR, "ru", "tt"}, {KBD_BENGALI, "bd", 0}, {KBD_BENGALI_INSCRIPT, "bd", "probhat"}, {KBD_PUNJABI, 0, 0}, {KBD_GUJARATI, "in", "guj"}, {KBD_TAMIL, "in", "tam"}, {KBD_TELUGU, "in", "tel"}, {KBD_KANNADA, "in", "kan"}, {KBD_MALAYALAM, "in", "mal"}, {KBD_HINDI_TRADITIONAL, "in", 0}, {KBD_MARATHI, 0, 0}, {KBD_MONGOLIAN_CYRILLIC, "mn", 0}, {KBD_UNITED_KINGDOM_EXTENDED, "gb", "intl"}, {KBD_SYRIAC, "syc", 0}, {KBD_SYRIAC_PHONETIC, "syc", "syc_phonetic"}, {KBD_NEPALI, "np", 0}, {KBD_PASHTO, "af", "ps"}, {KBD_DIVEHI_PHONETIC, 0, 0}, {KBD_LUXEMBOURGISH, 0, 0}, {KBD_MAORI, "mao", 0}, {KBD_CHINESE_SIMPLIFIED_US, 0, 0}, {KBD_SWISS_GERMAN, "ch", "de_nodeadkeys"}, {KBD_UNITED_KINGDOM, "gb", 0}, {KBD_LATIN_AMERICAN, "latam", 0}, {KBD_BELGIAN_FRENCH, "be", 0}, {KBD_BELGIAN_PERIOD, "be", "oss_sundeadkeys"}, {KBD_PORTUGUESE, "pt", 0}, {KBD_SERBIAN_LATIN, "rs", 0}, {KBD_AZERI_CYRILLIC, "az", "cyrillic"}, {KBD_SWEDISH_WITH_SAMI, "se", "smi"}, {KBD_UZBEK_CYRILLIC, "af", "uz"}, {KBD_INUKTITUT_LATIN, "ca", "ike"}, {KBD_CANADIAN_FRENCH_LEGACY, "ca", "fr-legacy"}, {KBD_SERBIAN_CYRILLIC, "rs", 0}, {KBD_CANADIAN_FRENCH, "ca", "fr-legacy"}, {KBD_SWISS_FRENCH, "ch", "fr"}, {KBD_BOSNIAN, "ba", 0}, {KBD_IRISH, 0, 0}, {KBD_BOSNIAN_CYRILLIC, "ba", "us"}, {KBD_UNITED_STATES_DVORAK, "us", "dvorak"}, {KBD_PORTUGUESE_BRAZILIAN_ABNT2, "br", "nativo"}, {KBD_CANADIAN_MULTILINGUAL_STANDARD, "ca", "multix"}, {KBD_GAELIC, "ie", "CloGaelach"}, {0x00000000, 0, 0}, }; /* taken from 2.2.7.1.6 Input Capability Set (TS_INPUT_CAPABILITYSET) */ static char *rdp_keyboard_types[] = { "", /* 0: unused */ "", /* 1: IBM PC/XT or compatible (83-key) keyboard */ "", /* 2: Olivetti "ICO" (102-key) keyboard */ "", /* 3: IBM PC/AT (84-key) or similar keyboard */ "pc102",/* 4: IBM enhanced (101- or 102-key) keyboard */ "", /* 5: Nokia 1050 and similar keyboards */ "", /* 6: Nokia 9140 and similar keyboards */ "" /* 7: Japanese keyboard */ }; static BOOL xf_peer_activate(freerdp_peer* client) { RdpPeerContext *peerCtx; struct rdp_backend *b; struct rdp_output *output; rdpSettings *settings; rdpPointerUpdate *pointer; struct rdp_peers_item *peersItem; struct xkb_context *xkbContext; struct xkb_rule_names xkbRuleNames; struct xkb_keymap *keymap; struct weston_output *weston_output; int i; pixman_box32_t box; pixman_region32_t damage; char seat_name[50]; peerCtx = (RdpPeerContext *)client->context; b = peerCtx->rdpBackend; peersItem = &peerCtx->item; output = b->output; settings = client->settings; if (!settings->SurfaceCommandsEnabled) { weston_log("client doesn't support required SurfaceCommands\n"); return FALSE; } if (output->base.width != (int)settings->DesktopWidth || output->base.height != (int)settings->DesktopHeight) { if (b->no_clients_resize) { /* RDP peers don't dictate their resolution to weston */ if (!settings->DesktopResize) { /* peer does not support desktop resize */ weston_log("%s: client doesn't support resizing, closing connection\n", __FUNCTION__); return FALSE; } else { settings->DesktopWidth = output->base.width; settings->DesktopHeight = output->base.height; client->update->DesktopResize(client->context); } } else { /* ask weston to adjust size */ struct weston_mode new_mode; struct weston_mode *target_mode; new_mode.width = (int)settings->DesktopWidth; new_mode.height = (int)settings->DesktopHeight; target_mode = ensure_matching_mode(&output->base, &new_mode); if (!target_mode) { weston_log("client mode not found\n"); return FALSE; } weston_output_mode_set_native(&output->base, target_mode, 1); output->base.width = new_mode.width; output->base.height = new_mode.height; } } weston_output = &output->base; RFX_RESET(peerCtx->rfx_context, weston_output->width, weston_output->height); NSC_RESET(peerCtx->nsc_context, weston_output->width, weston_output->height); if (peersItem->flags & RDP_PEER_ACTIVATED) return TRUE; /* when here it's the first reactivation, we need to setup a little more */ weston_log("kbd_layout:0x%x kbd_type:0x%x kbd_subType:0x%x kbd_functionKeys:0x%x\n", settings->KeyboardLayout, settings->KeyboardType, settings->KeyboardSubType, settings->KeyboardFunctionKey); memset(&xkbRuleNames, 0, sizeof(xkbRuleNames)); if (settings->KeyboardType <= 7) xkbRuleNames.model = rdp_keyboard_types[settings->KeyboardType]; for (i = 0; rdp_keyboards[i].rdpLayoutCode; i++) { if (rdp_keyboards[i].rdpLayoutCode == settings->KeyboardLayout) { xkbRuleNames.layout = rdp_keyboards[i].xkbLayout; xkbRuleNames.variant = rdp_keyboards[i].xkbVariant; weston_log("%s: matching layout=%s variant=%s\n", __FUNCTION__, xkbRuleNames.layout, xkbRuleNames.variant); break; } } keymap = NULL; if (xkbRuleNames.layout) { xkbContext = xkb_context_new(0); if (!xkbContext) { weston_log("unable to create a xkb_context\n"); return FALSE; } keymap = xkb_keymap_new_from_names(xkbContext, &xkbRuleNames, 0); } if (settings->ClientHostname) snprintf(seat_name, sizeof(seat_name), "RDP %s", settings->ClientHostname); else snprintf(seat_name, sizeof(seat_name), "RDP peer @%s", settings->ClientAddress); peersItem->seat = zalloc(sizeof(*peersItem->seat)); if (!peersItem->seat) { xkb_keymap_unref(keymap); weston_log("unable to create a weston_seat\n"); return FALSE; } weston_seat_init(peersItem->seat, b->compositor, seat_name); weston_seat_init_keyboard(peersItem->seat, keymap); weston_seat_init_pointer(peersItem->seat); peersItem->flags |= RDP_PEER_ACTIVATED; /* disable pointer on the client side */ pointer = client->update->pointer; pointer->pointer_system.type = SYSPTR_NULL; pointer->PointerSystem(client->context, &pointer->pointer_system); /* sends a full refresh */ box.x1 = 0; box.y1 = 0; box.x2 = output->base.width; box.y2 = output->base.height; pixman_region32_init_with_extents(&damage, &box); rdp_peer_refresh_region(&damage, client); pixman_region32_fini(&damage); return TRUE; } static BOOL xf_peer_post_connect(freerdp_peer *client) { return TRUE; } static FREERDP_CB_RET_TYPE xf_mouseEvent(rdpInput *input, UINT16 flags, UINT16 x, UINT16 y) { RdpPeerContext *peerContext = (RdpPeerContext *)input->context; struct rdp_output *output; uint32_t button = 0; bool need_frame = false; struct timespec time; if (flags & PTR_FLAGS_MOVE) { output = peerContext->rdpBackend->output; if (x < output->base.width && y < output->base.height) { timespec_from_msec(&time, weston_compositor_get_time()); notify_motion_absolute(peerContext->item.seat, &time, x, y); need_frame = true; } } if (flags & PTR_FLAGS_BUTTON1) button = BTN_LEFT; else if (flags & PTR_FLAGS_BUTTON2) button = BTN_RIGHT; else if (flags & PTR_FLAGS_BUTTON3) button = BTN_MIDDLE; if (button) { timespec_from_msec(&time, weston_compositor_get_time()); notify_button(peerContext->item.seat, &time, button, (flags & PTR_FLAGS_DOWN) ? WL_POINTER_BUTTON_STATE_PRESSED : WL_POINTER_BUTTON_STATE_RELEASED ); need_frame = true; } if (flags & PTR_FLAGS_WHEEL) { struct weston_pointer_axis_event weston_event; double value; /* DEFAULT_AXIS_STEP_DISTANCE is stolen from compositor-x11.c * The RDP specs says the lower bits of flags contains the "the number of rotation * units the mouse wheel was rotated". * * https://blogs.msdn.microsoft.com/oldnewthing/20130123-00/?p=5473 explains the 120 value */ value = (flags & 0xff) / 120.0; if (flags & PTR_FLAGS_WHEEL_NEGATIVE) value = -value; weston_event.axis = WL_POINTER_AXIS_VERTICAL_SCROLL; weston_event.value = DEFAULT_AXIS_STEP_DISTANCE * value; weston_event.discrete = (int)value; weston_event.has_discrete = true; timespec_from_msec(&time, weston_compositor_get_time()); notify_axis(peerContext->item.seat, &time, &weston_event); need_frame = true; } if (need_frame) notify_pointer_frame(peerContext->item.seat); FREERDP_CB_RETURN(TRUE); } static FREERDP_CB_RET_TYPE xf_extendedMouseEvent(rdpInput *input, UINT16 flags, UINT16 x, UINT16 y) { RdpPeerContext *peerContext = (RdpPeerContext *)input->context; struct rdp_output *output; struct timespec time; output = peerContext->rdpBackend->output; if (x < output->base.width && y < output->base.height) { timespec_from_msec(&time, weston_compositor_get_time()); notify_motion_absolute(peerContext->item.seat, &time, x, y); } FREERDP_CB_RETURN(TRUE); } static FREERDP_CB_RET_TYPE xf_input_synchronize_event(rdpInput *input, UINT32 flags) { freerdp_peer *client = input->context->peer; RdpPeerContext *peerCtx = (RdpPeerContext *)input->context; struct rdp_output *output = peerCtx->rdpBackend->output; pixman_box32_t box; pixman_region32_t damage; /* sends a full refresh */ box.x1 = 0; box.y1 = 0; box.x2 = output->base.width; box.y2 = output->base.height; pixman_region32_init_with_extents(&damage, &box); rdp_peer_refresh_region(&damage, client); pixman_region32_fini(&damage); FREERDP_CB_RETURN(TRUE); } static FREERDP_CB_RET_TYPE xf_input_keyboard_event(rdpInput *input, UINT16 flags, UINT16 code) { uint32_t scan_code, vk_code, full_code; enum wl_keyboard_key_state keyState; RdpPeerContext *peerContext = (RdpPeerContext *)input->context; int notify = 0; if (!(peerContext->item.flags & RDP_PEER_ACTIVATED)) FREERDP_CB_RETURN(TRUE); if (flags & KBD_FLAGS_DOWN) { keyState = WL_KEYBOARD_KEY_STATE_PRESSED; notify = 1; } else if (flags & KBD_FLAGS_RELEASE) { keyState = WL_KEYBOARD_KEY_STATE_RELEASED; notify = 1; } if (notify) { full_code = code; if (flags & KBD_FLAGS_EXTENDED) full_code |= KBD_FLAGS_EXTENDED; vk_code = GetVirtualKeyCodeFromVirtualScanCode(full_code, 4); if (flags & KBD_FLAGS_EXTENDED) vk_code |= KBDEXT; scan_code = GetKeycodeFromVirtualKeyCode(vk_code, KEYCODE_TYPE_EVDEV); /*weston_log("code=%x ext=%d vk_code=%x scan_code=%x\n", code, (flags & KBD_FLAGS_EXTENDED) ? 1 : 0, vk_code, scan_code);*/ notify_key(peerContext->item.seat, weston_compositor_get_time(), scan_code - 8, keyState, STATE_UPDATE_AUTOMATIC); } FREERDP_CB_RETURN(TRUE); } static FREERDP_CB_RET_TYPE xf_input_unicode_keyboard_event(rdpInput *input, UINT16 flags, UINT16 code) { weston_log("Client sent a unicode keyboard event (flags:0x%X code:0x%X)\n", flags, code); FREERDP_CB_RETURN(TRUE); } static FREERDP_CB_RET_TYPE xf_suppress_output(rdpContext *context, BYTE allow, const RECTANGLE_16 *area) { RdpPeerContext *peerContext = (RdpPeerContext *)context; if (allow) peerContext->item.flags |= RDP_PEER_OUTPUT_ENABLED; else peerContext->item.flags &= (~RDP_PEER_OUTPUT_ENABLED); FREERDP_CB_RETURN(TRUE); } static int rdp_peer_init(freerdp_peer *client, struct rdp_backend *b) { int rcount = 0; void *rfds[MAX_FREERDP_FDS]; int i, fd; struct wl_event_loop *loop; rdpSettings *settings; rdpInput *input; RdpPeerContext *peerCtx; client->ContextSize = sizeof(RdpPeerContext); client->ContextNew = (psPeerContextNew)rdp_peer_context_new; client->ContextFree = (psPeerContextFree)rdp_peer_context_free; freerdp_peer_context_new(client); peerCtx = (RdpPeerContext *) client->context; peerCtx->rdpBackend = b; settings = client->settings; /* configure security settings */ if (b->rdp_key) settings->RdpKeyFile = strdup(b->rdp_key); if (b->tls_enabled) { settings->CertificateFile = strdup(b->server_cert); settings->PrivateKeyFile = strdup(b->server_key); } else { settings->TlsSecurity = FALSE; } settings->NlaSecurity = FALSE; if (!client->Initialize(client)) { weston_log("peer initialization failed\n"); goto error_initialize; } settings->OsMajorType = OSMAJORTYPE_UNIX; settings->OsMinorType = OSMINORTYPE_PSEUDO_XSERVER; settings->ColorDepth = 32; settings->RefreshRect = TRUE; settings->RemoteFxCodec = TRUE; settings->NSCodec = TRUE; settings->FrameMarkerCommandEnabled = TRUE; settings->SurfaceFrameMarkerEnabled = TRUE; client->Capabilities = xf_peer_capabilities; client->PostConnect = xf_peer_post_connect; client->Activate = xf_peer_activate; client->update->SuppressOutput = (pSuppressOutput)xf_suppress_output; input = client->input; input->SynchronizeEvent = xf_input_synchronize_event; input->MouseEvent = xf_mouseEvent; input->ExtendedMouseEvent = xf_extendedMouseEvent; input->KeyboardEvent = xf_input_keyboard_event; input->UnicodeKeyboardEvent = xf_input_unicode_keyboard_event; if (!client->GetFileDescriptor(client, rfds, &rcount)) { weston_log("unable to retrieve client fds\n"); goto error_initialize; } loop = wl_display_get_event_loop(b->compositor->wl_display); for (i = 0; i < rcount; i++) { fd = (int)(long)(rfds[i]); peerCtx->events[i] = wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE, rdp_client_activity, client); } for ( ; i < MAX_FREERDP_FDS; i++) peerCtx->events[i] = 0; wl_list_insert(&b->output->peers, &peerCtx->item.link); return 0; error_initialize: client->Close(client); return -1; } static FREERDP_CB_RET_TYPE rdp_incoming_peer(freerdp_listener *instance, freerdp_peer *client) { struct rdp_backend *b = (struct rdp_backend *)instance->param4; if (rdp_peer_init(client, b) < 0) { weston_log("error when treating incoming peer\n"); FREERDP_CB_RETURN(FALSE); } FREERDP_CB_RETURN(TRUE); } static const struct weston_rdp_output_api api = { rdp_output_set_size, }; static struct rdp_backend * rdp_backend_create(struct weston_compositor *compositor, struct weston_rdp_backend_config *config) { struct rdp_backend *b; char *fd_str; char *fd_tail; int fd, ret; b = zalloc(sizeof *b); if (b == NULL) return NULL; b->compositor = compositor; b->base.destroy = rdp_destroy; b->base.restore = rdp_restore; b->rdp_key = config->rdp_key ? strdup(config->rdp_key) : NULL; b->no_clients_resize = config->no_clients_resize; compositor->backend = &b->base; /* activate TLS only if certificate/key are available */ if (config->server_cert && config->server_key) { weston_log("TLS support activated\n"); b->server_cert = strdup(config->server_cert); b->server_key = strdup(config->server_key); if (!b->server_cert || !b->server_key) goto err_free_strings; b->tls_enabled = 1; } if (weston_compositor_set_presentation_clock_software(compositor) < 0) goto err_compositor; if (pixman_renderer_init(compositor) < 0) goto err_compositor; if (rdp_backend_create_output(compositor) < 0) goto err_compositor; compositor->capabilities |= WESTON_CAP_ARBITRARY_MODES; if (!config->env_socket) { b->listener = freerdp_listener_new(); b->listener->PeerAccepted = rdp_incoming_peer; b->listener->param4 = b; if (!b->listener->Open(b->listener, config->bind_address, config->port)) { weston_log("unable to bind rdp socket\n"); goto err_listener; } if (rdp_implant_listener(b, b->listener) < 0) goto err_compositor; } else { /* get the socket from RDP_FD var */ fd_str = getenv("RDP_FD"); if (!fd_str) { weston_log("RDP_FD env variable not set\n"); goto err_output; } fd = strtoul(fd_str, &fd_tail, 10); if (errno != 0 || fd_tail == fd_str || *fd_tail != '\0' || rdp_peer_init(freerdp_peer_new(fd), b)) goto err_output; } ret = weston_plugin_api_register(compositor, WESTON_RDP_OUTPUT_API_NAME, &api, sizeof(api)); if (ret < 0) { weston_log("Failed to register output API.\n"); goto err_output; } return b; err_listener: freerdp_listener_free(b->listener); err_output: weston_output_release(&b->output->base); err_compositor: weston_compositor_shutdown(compositor); err_free_strings: free(b->rdp_key); free(b->server_cert); free(b->server_key); free(b); return NULL; } static void config_init_to_defaults(struct weston_rdp_backend_config *config) { config->bind_address = NULL; config->port = 3389; config->rdp_key = NULL; config->server_cert = NULL; config->server_key = NULL; config->env_socket = 0; config->no_clients_resize = 0; } WL_EXPORT int weston_backend_init(struct weston_compositor *compositor, struct weston_backend_config *config_base) { struct rdp_backend *b; struct weston_rdp_backend_config config = {{ 0, }}; int major, minor, revision; #if FREERDP_VERSION_MAJOR >= 2 winpr_InitializeSSL(0); #endif freerdp_get_version(&major, &minor, &revision); weston_log("using FreeRDP version %d.%d.%d\n", major, minor, revision); if (config_base == NULL || config_base->struct_version != WESTON_RDP_BACKEND_CONFIG_VERSION || config_base->struct_size > sizeof(struct weston_rdp_backend_config)) { weston_log("RDP backend config structure is invalid\n"); return -1; } config_init_to_defaults(&config); memcpy(&config, config_base, config_base->struct_size); if (!config.rdp_key && (!config.server_cert || !config.server_key)) { weston_log("the RDP compositor requires keys and an optional certificate for RDP or TLS security (" "--rdp4-key or --rdp-tls-cert/--rdp-tls-key)\n"); return -1; } b = rdp_backend_create(compositor, &config); if (b == NULL) return -1; return 0; }