BOOL rdp_freerdp_pre_connect()

in src/protocols/rdp/rdp.c [86:218]

• 88 lines of code
• 16 McCabe index (conditional complexity)

BOOL rdp_freerdp_pre_connect(freerdp* instance) {

    rdpContext* context = instance->context;
    rdpGraphics* graphics = context->graphics;

    guac_client* client = ((rdp_freerdp_context*) context)->client;
    guac_rdp_client* rdp_client = (guac_rdp_client*) client->data;
    guac_rdp_settings* settings = rdp_client->settings;

    /* Push desired settings to FreeRDP */
    guac_rdp_push_settings(client, settings, instance);

    /* Init FreeRDP add-in provider */
    freerdp_register_addin_provider(freerdp_channels_load_static_addin_entry, 0);

    /* Load "disp" plugin for display update */
    if (settings->resize_method == GUAC_RESIZE_DISPLAY_UPDATE)
        guac_rdp_disp_load_plugin(context);

    /* Load "rdpei" plugin for multi-touch support */
    if (settings->enable_touch)
        guac_rdp_rdpei_load_plugin(context);

    /* Load "AUDIO_INPUT" plugin for audio input*/
    if (settings->enable_audio_input) {
        rdp_client->audio_input = guac_rdp_audio_buffer_alloc(client);
        guac_rdp_audio_load_plugin(instance->context);
    }

    /* Load "cliprdr" service if not disabled */
    if (!(settings->disable_copy && settings->disable_paste))
        guac_rdp_clipboard_load_plugin(rdp_client->clipboard, context);

    /* If RDPSND/RDPDR required, load them */
    if (settings->printing_enabled
        || settings->drive_enabled
        || settings->audio_enabled) {
        guac_rdpdr_load_plugin(context);
        guac_rdpsnd_load_plugin(context);
    }

    /* Load RAIL plugin if RemoteApp in use */
    if (settings->remote_app != NULL)
        guac_rdp_rail_load_plugin(context);

    /* Load SVC plugin instances for all static channels */
    if (settings->svc_names != NULL) {

        char** current = settings->svc_names;
        do {
            guac_rdp_pipe_svc_load_plugin(context, *current);
        } while (*(++current) != NULL);

    }

    /* Init FreeRDP internal GDI implementation */
    if (!gdi_init(instance, guac_rdp_get_native_pixel_format(FALSE)))
        return FALSE;

    /* Set up bitmap handling */
    rdpBitmap bitmap = *graphics->Bitmap_Prototype;
    bitmap.size = sizeof(guac_rdp_bitmap);
    bitmap.New = guac_rdp_bitmap_new;
    bitmap.Free = guac_rdp_bitmap_free;
    bitmap.Paint = guac_rdp_bitmap_paint;
    bitmap.SetSurface = guac_rdp_bitmap_setsurface;
    graphics_register_bitmap(graphics, &bitmap);

    /* Set up glyph handling */
    rdpGlyph glyph = *graphics->Glyph_Prototype;
    glyph.size = sizeof(guac_rdp_glyph);
    glyph.New = guac_rdp_glyph_new;
    glyph.Free = guac_rdp_glyph_free;
    glyph.Draw = guac_rdp_glyph_draw;
    glyph.BeginDraw = guac_rdp_glyph_begindraw;
    glyph.EndDraw = guac_rdp_glyph_enddraw;
    graphics_register_glyph(graphics, &glyph);

    /* Set up pointer handling */
    rdpPointer pointer = *graphics->Pointer_Prototype;
    pointer.size = sizeof(guac_rdp_pointer);
    pointer.New = guac_rdp_pointer_new;
    pointer.Free = guac_rdp_pointer_free;
    pointer.Set = guac_rdp_pointer_set;
    pointer.SetNull = guac_rdp_pointer_set_null;
    pointer.SetDefault = guac_rdp_pointer_set_default;
    graphics_register_pointer(graphics, &pointer);

    /* Beep on receipt of Play Sound PDU */
    instance->update->PlaySound = guac_rdp_beep_play_sound;

    /* Automatically synchronize keyboard locks when changed server-side */
    instance->update->SetKeyboardIndicators = guac_rdp_keyboard_set_indicators;

    /* Set up GDI */
    instance->update->DesktopResize = guac_rdp_gdi_desktop_resize;
    instance->update->BeginPaint = guac_rdp_gdi_begin_paint;
    instance->update->EndPaint = guac_rdp_gdi_end_paint;
    instance->update->SetBounds = guac_rdp_gdi_set_bounds;

    instance->update->SurfaceFrameMarker = guac_rdp_gdi_surface_frame_marker;
    instance->update->altsec->FrameMarker = guac_rdp_gdi_frame_marker;

    rdpPrimaryUpdate* primary = instance->update->primary;
    primary->DstBlt = guac_rdp_gdi_dstblt;
    primary->PatBlt = guac_rdp_gdi_patblt;
    primary->ScrBlt = guac_rdp_gdi_scrblt;
    primary->MemBlt = guac_rdp_gdi_memblt;
    primary->OpaqueRect = guac_rdp_gdi_opaquerect;

    pointer_cache_register_callbacks(instance->update);
    glyph_cache_register_callbacks(instance->update);
    brush_cache_register_callbacks(instance->update);
    bitmap_cache_register_callbacks(instance->update);
    offscreen_cache_register_callbacks(instance->update);
    palette_cache_register_callbacks(instance->update);

    /* Load "rdpgfx" plugin for Graphics Pipeline Extension */
    if (settings->enable_gfx)
        guac_rdp_rdpgfx_load_plugin(context);

    /* Load plugin providing Dynamic Virtual Channel support, if required */
    if (instance->settings->SupportDynamicChannels &&
            guac_freerdp_channels_load_plugin(context, "drdynvc",
                instance->settings)) {
        guac_client_log(client, GUAC_LOG_WARNING,
                "Failed to load drdynvc plugin. Display update and audio "
                "input support will be disabled.");
    }

    return TRUE;

}