[PATCH] RDP compositor take 6
Hardening
rdp.effort at gmail.com
Mon Apr 1 14:43:58 PDT 2013
This patch is the 6th version of the FreeRDP based compositor.
Changes from last version:
* use pixman_image_get_stride() when appropriate
* always realloc
Reviewed-by: Jason Ekstrand <jason at jlekstrand.net>
---
configure.ac | 7 +
src/Makefile.am | 16 +-
src/compositor-rdp.c | 1004 ++++++++++++++++++++++++++++++++++++++++++++++++++
3 files changed, 1026 insertions(+), 1 deletion(-)
create mode 100644 src/compositor-rdp.c
diff --git a/configure.ac b/configure.ac
index 355063d..ed06d0b 100644
--- a/configure.ac
+++ b/configure.ac
@@ -168,6 +168,13 @@ AS_IF([test x$enable_fbdev_compositor = xyes], [
PKG_CHECK_MODULES([FBDEV_COMPOSITOR], [libudev >= 136 mtdev >= 1.1.0])
])
+AC_ARG_ENABLE([rdp-compositor], [ --enable-rdp-compositor],,
+ enable_rdp_compositor=no)
+AM_CONDITIONAL([ENABLE_RDP_COMPOSITOR],
+ [test x$enable_rdp_compositor = xyes])
+if test x$enable_rdp_compositor = xyes; then
+ PKG_CHECK_MODULES(RDP_COMPOSITOR, [freerdp >= 1.1.0])
+fi
AC_ARG_WITH(cairo-glesv2,
AS_HELP_STRING([--with-cairo-glesv2],
diff --git a/src/Makefile.am b/src/Makefile.am
index d56daa0..d33ebc5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -98,7 +98,8 @@ module_LTLIBRARIES = \
$(drm_backend) \
$(wayland_backend) \
$(headless_backend) \
- $(fbdev_backend)
+ $(fbdev_backend) \
+ $(rdp_backend)
noinst_LTLIBRARIES =
@@ -214,6 +215,19 @@ fbdev_backend_la_SOURCES = \
launcher-util.c
endif
+if ENABLE_RDP_COMPOSITOR
+rdp_backend = rdp-backend.la
+rdp_backend_la_LDFLAGS = -module -avoid-version
+rdp_backend_la_LIBADD = $(COMPOSITOR_LIBS) \
+ $(RDP_COMPOSITOR_LIBS) \
+ ../shared/libshared.la
+rdp_backend_la_CFLAGS = \
+ $(COMPOSITOR_CFLAGS) \
+ $(RDP_COMPOSITOR_CFLAGS) \
+ $(GCC_CFLAGS)
+rdp_backend_la_SOURCES = compositor-rdp.c
+endif
+
if ENABLE_DESKTOP_SHELL
desktop_shell = desktop-shell.la
desktop_shell_la_LDFLAGS = -module -avoid-version
diff --git a/src/compositor-rdp.c b/src/compositor-rdp.c
new file mode 100644
index 0000000..2caaa57
--- /dev/null
+++ b/src/compositor-rdp.c
@@ -0,0 +1,1004 @@
+/*
+ * Copyright © 2013 Hardening <rdp.effort at gmail.com>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <linux/input.h>
+
+#include <freerdp/freerdp.h>
+#include <freerdp/listener.h>
+#include <freerdp/update.h>
+#include <freerdp/input.h>
+#include <freerdp/codec/color.h>
+#include <freerdp/codec/rfx.h>
+#include <freerdp/codec/nsc.h>
+
+#include "compositor.h"
+#include "pixman-renderer.h"
+
+#define MAX_FREERDP_FDS 32
+
+struct rdp_compositor_config {
+ int width;
+ int height;
+ char *bind_address;
+ int port;
+ char *rdp_key;
+ char *server_cert;
+ char *server_key;
+ char *extra_modes;
+ int env_socket;
+};
+
+struct rdp_output;
+
+struct rdp_compositor {
+ struct weston_compositor base;
+ struct weston_seat main_seat;
+
+ 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;
+};
+
+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_compositor *rdpCompositor;
+
+ /* file descriptors and associated events */
+ int fds[MAX_FREERDP_FDS];
+ 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 void
+rdp_compositor_config_init(struct rdp_compositor_config *config) {
+ config->width = 640;
+ config->height = 480;
+ config->bind_address = NULL;
+ config->port = 3389;
+ config->rdp_key = NULL;
+ config->server_cert = NULL;
+ config->server_key = NULL;
+ config->extra_modes = NULL;
+ config->env_socket = 0;
+}
+
+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_set_pos(context->encode_stream, 0);
+
+ width = (damage->extents.x2 - damage->extents.x1);
+ height = (damage->extents.y2 - damage->extents.y1);
+
+ 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_get_length(context->encode_stream);
+ cmd->bitmapData = stream_get_head(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_set_pos(context->encode_stream, 0);
+
+ width = (damage->extents.x2 - damage->extents.x1);
+ height = (damage->extents.y2 - damage->extents.y1);
+
+ 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_get_length(context->encode_stream);
+ cmd->bitmapData = stream_get_head(context->encode_stream);
+ update->SurfaceBits(update->context, cmd);
+}
+
+static void
+rdp_peer_refresh_raw(pixman_region32_t *region, pixman_image_t *image, freerdp_peer *peer)
+{
+ pixman_image_t *tile;
+ rdpUpdate *update = peer->update;
+ SURFACE_BITS_COMMAND *cmd = &update->surface_bits_command;
+ pixman_box32_t *extends = pixman_region32_extents(region);
+
+ cmd->bpp = 32;
+ cmd->codecID = 0;
+ cmd->width = (extends->x2 - extends->x1);
+ cmd->height = (extends->y2 - extends->y1);;
+ cmd->bitmapDataLength = cmd->width * cmd->height * 4;
+ tile = pixman_image_create_bits(PIXMAN_x8r8g8b8, cmd->width, cmd->height, 0, cmd->width * 4);
+ pixman_image_composite32(PIXMAN_OP_SRC, image, NULL, /* op, src, mask */
+ tile, extends->x1, extends->y1, /* dest, src_x, src_y */
+ 0, 0, /* mask_x, mask_y */
+ 0, 0, /* dest_x, dest_y */
+ cmd->width, cmd->height /* width, height */
+ );
+ freerdp_image_flip((BYTE *)pixman_image_get_data(tile),
+ (BYTE *)pixman_image_get_data(tile),
+ cmd->width, cmd->height, cmd->bpp
+ );
+ cmd->bitmapData = (BYTE *)pixman_image_get_data(tile);
+ cmd->destLeft = extends->x1;
+ cmd->destTop = extends->y1;
+ cmd->destRight = extends->x2;
+ cmd->destBottom = extends->y2;
+ update->SurfaceBits(peer->context, cmd);
+ pixman_image_unref(tile);
+}
+
+static void
+rdp_peer_refresh_region(pixman_region32_t *region, freerdp_peer *peer)
+{
+ RdpPeerContext *context = (RdpPeerContext *)peer->context;
+ struct rdp_output *output = context->rdpCompositor->output;
+ rdpSettings *settings = peer->settings;
+ pixman_box32_t *extents = pixman_region32_extents(region);
+
+ int regionSz = (extents->x2 - extents->x1) * (extents->y2 - extents->y1);
+
+ if(regionSz > 64 * 64) {
+ 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);
+ } else {
+ rdp_peer_refresh_raw(region, output->shadow_surface, peer);
+ }
+}
+
+
+static void
+rdp_output_repaint(struct weston_output *output_base, pixman_region32_t *damage)
+{
+ 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);
+
+ 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);
+}
+
+static void
+rdp_output_destroy(struct weston_output *output_base)
+{
+ struct rdp_output *output = (struct rdp_output *)output_base;
+
+ wl_event_source_remove(output->finish_frame_timer);
+ free(output);
+}
+
+static int
+finish_frame_handler(void *data)
+{
+ struct weston_output *output = data;
+ uint32_t msec;
+ struct timeval tv;
+
+ gettimeofday(&tv, NULL);
+ msec = tv.tv_sec * 1000 + tv.tv_usec / 1000;
+ weston_output_finish_frame(output, msec);
+
+ return 1;
+}
+
+
+static struct weston_mode *
+find_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 0;
+}
+
+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 = find_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)
+ return 0;
+
+ output->current->flags = 0;
+ output->current = local_mode;
+ output->current->flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
+
+ 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->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
+parse_extra_modes(const char *modes_str, struct rdp_output *output) {
+ const char *startAt = modes_str;
+ const char *nextPos;
+ int w, h;
+ struct weston_mode *mode;
+
+ while(startAt && *startAt) {
+ nextPos = strchr(startAt, 'x');
+ if(!nextPos)
+ return -1;
+
+ w = strtoul(startAt, NULL, 0);
+ startAt = nextPos + 1;
+ if(!*startAt)
+ return -1;
+
+ h = strtoul(startAt, NULL, 0);
+
+ if(!w || (w > 3000) || !h || (h > 3000))
+ return -1;
+ mode = malloc(sizeof *mode);
+ if(!mode)
+ return -1;
+
+ mode->width = w;
+ mode->height = h;
+ mode->refresh = 5;
+ mode->flags = 0;
+ wl_list_insert(&output->base.mode_list, &mode->link);
+
+ startAt = strchr(startAt, ',');
+ if(startAt && *startAt == ',')
+ startAt++;
+ }
+ return 0;
+}
+static int
+rdp_compositor_create_output(struct rdp_compositor *c, int width, int height,
+ const char *extraModes)
+{
+ struct rdp_output *output;
+ struct wl_event_loop *loop;
+ struct weston_mode *currentMode, *next;
+
+ output = malloc(sizeof *output);
+ if (output == NULL)
+ return -1;
+ memset(output, 0, sizeof *output);
+
+ wl_list_init(&output->peers);
+ wl_list_init(&output->base.mode_list);
+
+ currentMode = malloc(sizeof *currentMode);
+ if(!currentMode)
+ goto out_free_output;
+ currentMode->flags = WL_OUTPUT_MODE_CURRENT | WL_OUTPUT_MODE_PREFERRED;
+ currentMode->width = width;
+ currentMode->height = height;
+ currentMode->refresh = 5;
+ wl_list_insert(&output->base.mode_list, ¤tMode->link);
+
+ if(parse_extra_modes(extraModes, output) < 0) {
+ weston_log("invalid extra modes\n");
+ goto out_free_output_and_modes;
+ }
+
+ output->base.current = currentMode;
+ weston_output_init(&output->base, &c->base, 0, 0, width, height,
+ WL_OUTPUT_TRANSFORM_NORMAL);
+
+ output->base.make = "weston";
+ output->base.model = "rdp";
+ output->shadow_surface = pixman_image_create_bits(PIXMAN_x8r8g8b8,
+ width, height,
+ NULL,
+ width * 4);
+ if (output->shadow_surface == NULL) {
+ weston_log("Failed to create surface for frame buffer.\n");
+ goto out_output;
+ }
+
+ if (pixman_renderer_output_create(&output->base) < 0)
+ goto out_shadow_surface;
+
+ weston_output_move(&output->base, 0, 0);
+
+ loop = wl_display_get_event_loop(c->base.wl_display);
+ output->finish_frame_timer = wl_event_loop_add_timer(loop, finish_frame_handler, output);
+
+ output->base.origin = output->base.current;
+ output->base.repaint = rdp_output_repaint;
+ output->base.destroy = rdp_output_destroy;
+ output->base.assign_planes = NULL;
+ output->base.set_backlight = NULL;
+ output->base.set_dpms = NULL;
+ output->base.switch_mode = rdp_switch_mode;
+ c->output = output;
+
+ wl_list_insert(c->base.output_list.prev, &output->base.link);
+ return 0;
+
+out_shadow_surface:
+ pixman_image_unref(output->shadow_surface);
+out_output:
+ weston_output_destroy(&output->base);
+out_free_output_and_modes:
+ wl_list_for_each_safe(currentMode, next, &output->base.mode_list, link)
+ free(currentMode);
+out_free_output:
+ free(output);
+ return -1;
+}
+
+static void
+rdp_restore(struct weston_compositor *ec)
+{
+}
+
+static void
+rdp_destroy(struct weston_compositor *ec)
+{
+ struct rdp_compositor *c = (struct rdp_compositor *) ec;
+
+ weston_seat_release(&c->main_seat);
+
+ ec->renderer->destroy(ec);
+ weston_compositor_shutdown(ec);
+
+ free(ec);
+}
+
+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_compositor *c, 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(c->base.wl_display);
+ for (i = 0; i < rcount; i++) {
+ fd = (int)(long)(rfds[i]);
+ c->listener_events[i] = wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
+ rdp_listener_activity, instance);
+ }
+
+ for( ; i < MAX_FREERDP_FDS; i++)
+ c->listener_events[i] = 0;
+ return 0;
+}
+
+
+static void
+rdp_peer_context_new(freerdp_peer* client, RdpPeerContext* context)
+{
+ context->item.peer = client;
+ context->item.flags = 0;
+
+ context->rfx_context = rfx_context_new();
+ 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, RDP_PIXEL_FORMAT_B8G8R8A8);
+
+ context->nsc_context = nsc_context_new();
+ rfx_context_set_pixel_format(context->rfx_context, RDP_PIXEL_FORMAT_B8G8R8A8);
+
+ context->encode_stream = stream_new(65536);
+}
+
+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->fds[i] != -1)
+ wl_event_source_remove(context->events[i]);
+ }
+
+ if(context->item.flags & RDP_PEER_ACTIVATED)
+ weston_seat_release(&context->item.seat);
+ stream_free(context->encode_stream);
+ 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;
+ char *xkbLayout;
+};
+
+/* picked from http://technet.microsoft.com/en-us/library/cc766503(WS.10).aspx */
+static struct rdp_to_xkb_keyboard_layout rdp_keyboards[] = {
+ {0x00000406, "dk"},
+ {0x00000407, "de"},
+ {0x00000409, "us"},
+ {0x0000040c, "fr"},
+ {0x00000410, "it"},
+ {0x00000813, "be"},
+ {0x00000000, 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_post_connect(freerdp_peer* client)
+{
+ RdpPeerContext *peerCtx;
+ struct rdp_compositor *c;
+ struct rdp_output *output;
+ rdpSettings *settings;
+ struct xkb_context *xkbContext;
+ struct xkb_rule_names xkbRuleNames;
+ struct xkb_keymap *keymap;
+ int i;
+
+
+ peerCtx = (RdpPeerContext *)client->context;
+ c = peerCtx->rdpCompositor;
+ output = c->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(!settings->DesktopResize) {
+ weston_log("client don't support desktopResize()\n");
+ return FALSE;
+ }
+
+ /* force the client size */
+ settings->DesktopWidth = output->base.width;
+ settings->DesktopHeight = output->base.height;
+ client->update->DesktopResize(client->context);
+ }
+
+ weston_log("kbd_layout:%x kbd_type:%x kbd_subType:%x kbd_functionKeys:%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].xkbLayout; i++) {
+ if(rdp_keyboards[i].rdpLayoutCode == settings->KeyboardLayout) {
+ xkbRuleNames.layout = rdp_keyboards[i].xkbLayout;
+ 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);
+ }
+ weston_seat_init_keyboard(&peerCtx->item.seat, keymap);
+ weston_seat_init_pointer(&peerCtx->item.seat);
+
+ peerCtx->item.flags |= RDP_PEER_ACTIVATED;
+ return TRUE;
+}
+
+static BOOL
+xf_peer_activate(freerdp_peer *client)
+{
+ return TRUE;
+}
+
+static void
+xf_mouseEvent(rdpInput *input, UINT16 flags, UINT16 x, UINT16 y) {
+ wl_fixed_t wl_x, wl_y;
+ RdpPeerContext *peerContext = (RdpPeerContext *)input->context;
+ struct rdp_output *output;
+ uint32_t button = 0;
+
+ if (flags & PTR_FLAGS_MOVE) {
+ output = peerContext->rdpCompositor->output;
+ if(x < output->base.width && y < output->base.height) {
+ wl_x = wl_fixed_from_int((int)x);
+ wl_y = wl_fixed_from_int((int)y);
+ notify_motion_absolute(&peerContext->item.seat, weston_compositor_get_time(),
+ wl_x, wl_y);
+ }
+ }
+
+ 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) {
+ notify_button(&peerContext->item.seat, weston_compositor_get_time(), button,
+ (flags & PTR_FLAGS_DOWN) ? WL_POINTER_BUTTON_STATE_PRESSED : WL_POINTER_BUTTON_STATE_RELEASED
+ );
+ }
+}
+
+static void
+xf_extendedMouseEvent(rdpInput *input, UINT16 flags, UINT16 x, UINT16 y) {
+ wl_fixed_t wl_x, wl_y;
+ RdpPeerContext *peerContext = (RdpPeerContext *)input->context;
+ struct rdp_output *output;
+
+ output = peerContext->rdpCompositor->output;
+ if(x < output->base.width && y < output->base.height) {
+ wl_x = wl_fixed_from_int((int)x);
+ wl_y = wl_fixed_from_int((int)y);
+ notify_motion_absolute(&peerContext->item.seat, weston_compositor_get_time(),
+ wl_x, wl_y);
+ }
+}
+
+
+static void
+xf_input_synchronize_event(rdpInput *input, UINT32 flags)
+{
+ freerdp_peer *client = input->context->peer;
+ rdpPointerUpdate *pointer = client->update->pointer;
+ RdpPeerContext *peerCtx = (RdpPeerContext *)input->context;
+ struct rdp_output *output = peerCtx->rdpCompositor->output;
+ pixman_box32_t box;
+ pixman_region32_t damage;
+
+ /* disable pointer on the client side */
+ 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);
+}
+
+static void
+xf_input_keyboard_event(rdpInput *input, UINT16 flags, UINT16 code)
+{
+ enum wl_keyboard_key_state keyState;
+ RdpPeerContext *peerContext = (RdpPeerContext *)input->context;
+ int notify = 0;
+
+ 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)
+ notify_key(&peerContext->item.seat, weston_compositor_get_time(),
+ code, keyState, STATE_UPDATE_AUTOMATIC);
+}
+
+static void
+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);
+}
+
+
+static void
+xf_suppress_output(rdpContext *context, BYTE allow, RECTANGLE_16 *area) {
+ RdpPeerContext *peerContext = (RdpPeerContext *)context;
+ if(allow)
+ peerContext->item.flags |= RDP_PEER_OUTPUT_ENABLED;
+ else
+ peerContext->item.flags &= (~RDP_PEER_OUTPUT_ENABLED);
+}
+
+static int
+rdp_peer_init(freerdp_peer *client, struct rdp_compositor *c)
+{
+ int rcount = 0;
+ void *rfds[MAX_FREERDP_FDS];
+ int i, fd;
+ struct wl_event_loop *loop;
+ rdpSettings *settings;
+ rdpInput *input;
+ RdpPeerContext *peerCtx;
+
+ client->context_size = 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->rdpCompositor = c;
+
+ settings = client->settings;
+ settings->RdpKeyFile = c->rdp_key;
+ if(c->tls_enabled) {
+ settings->CertificateFile = c->server_cert;
+ settings->PrivateKeyFile = c->server_key;
+ } else {
+ settings->TlsSecurity = FALSE;
+ }
+
+ settings->NlaSecurity = FALSE;
+
+ client->Capabilities = xf_peer_capabilities;
+ client->PostConnect = xf_peer_post_connect;
+ client->Activate = xf_peer_activate;
+
+ client->update->SuppressOutput = 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;
+ weston_seat_init(&peerCtx->item.seat, &c->base);
+
+ client->Initialize(client);
+
+ if (!client->GetFileDescriptor(client, rfds, &rcount)) {
+ weston_log("unable to retrieve client fds\n");
+ return -1;
+ }
+
+ loop = wl_display_get_event_loop(c->base.wl_display);
+ for(i = 0; i < rcount; i++) {
+ fd = (int)(long)(rfds[i]);
+
+ peerCtx->fds[i] = fd;
+ peerCtx->events[i] = wl_event_loop_add_fd(loop, fd, WL_EVENT_READABLE,
+ rdp_client_activity, client);
+ }
+ for( ; i < MAX_FREERDP_FDS; i++) {
+ peerCtx->fds[i] = -1;
+ peerCtx->events[i] = 0;
+ }
+
+ wl_list_insert(&c->output->peers, &peerCtx->item.link);
+ return 0;
+}
+
+
+static void
+rdp_incoming_peer(freerdp_listener *instance, freerdp_peer *client)
+{
+ struct rdp_compositor *c = (struct rdp_compositor *)instance->param4;
+ if (rdp_peer_init(client, c) < 0)
+ return;
+}
+
+static struct weston_compositor *
+rdp_compositor_create(struct wl_display *display,
+ struct rdp_compositor_config *config,
+ int *argc, char *argv[], const char *config_file)
+{
+ struct rdp_compositor *c;
+ char *fd_str;
+ int fd;
+
+ c = malloc(sizeof *c);
+ if (c == NULL)
+ return NULL;
+
+ memset(c, 0, sizeof *c);
+
+ if (weston_compositor_init(&c->base, display, argc, argv,
+ config_file) < 0)
+ goto err_free;
+
+ weston_seat_init(&c->main_seat, &c->base);
+ c->base.destroy = rdp_destroy;
+ c->base.restore = rdp_restore;
+ c->rdp_key = config->rdp_key ? strdup(config->rdp_key) : NULL;
+
+ /* activate TLS only if certificate/key are available */
+ if(config->server_cert && config->server_key) {
+ weston_log("TLS support activated\n");
+ c->server_cert = strdup(config->server_cert);
+ c->server_key = strdup(config->server_key);
+ if(!c->server_cert || !c->server_key)
+ goto err_free_strings;
+ c->tls_enabled = 1;
+ }
+
+ if (pixman_renderer_init(&c->base) < 0)
+ goto err_compositor;
+
+ if (rdp_compositor_create_output(c, config->width, config->height, config->extra_modes) < 0)
+ goto err_compositor;
+
+ if(!config->env_socket) {
+ c->listener = freerdp_listener_new();
+ c->listener->PeerAccepted = rdp_incoming_peer;
+ c->listener->param4 = c;
+ if(!c->listener->Open(c->listener, config->bind_address, config->port)) {
+ weston_log("unable to bind rdp socket\n");
+ goto err_listener;
+ }
+
+ if (rdp_implant_listener(c, c->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");
+ goto err_output;
+ }
+
+ fd = strtoul(fd_str, NULL, 10);
+ if(rdp_peer_init(freerdp_peer_new(fd), c))
+ goto err_output;
+ }
+
+ return &c->base;
+
+err_listener:
+ freerdp_listener_free(c->listener);
+err_output:
+ weston_output_destroy(&c->output->base);
+err_compositor:
+ weston_compositor_shutdown(&c->base);
+err_free_strings:
+ if(c->rdp_key)
+ free(c->rdp_key);
+ if(c->server_cert)
+ free(c->server_cert);
+ if(c->server_key)
+ free(c->server_key);
+ weston_seat_release(&c->main_seat);
+err_free:
+ free(c);
+ return NULL;
+}
+
+WL_EXPORT struct weston_compositor *
+backend_init(struct wl_display *display, int *argc, char *argv[],
+ const char *config_file)
+{
+ struct rdp_compositor_config config;
+ rdp_compositor_config_init(&config);
+ int major, minor, revision;
+
+ freerdp_get_version(&major, &minor, &revision);
+ weston_log("using FreeRDP version %d.%d.%d\n", major, minor, revision);
+
+ const struct weston_option rdp_options[] = {
+ { WESTON_OPTION_BOOLEAN, "env-socket", 0, &config.env_socket },
+ { WESTON_OPTION_INTEGER, "width", 0, &config.width },
+ { WESTON_OPTION_INTEGER, "height", 0, &config.height },
+ { WESTON_OPTION_STRING, "extra-modes", 0, &config.extra_modes },
+ { WESTON_OPTION_STRING, "address", 0, &config.bind_address },
+ { WESTON_OPTION_INTEGER, "port", 0, &config.port },
+ { WESTON_OPTION_STRING, "rdp4-key", 0, &config.rdp_key },
+ { WESTON_OPTION_STRING, "rdp-tls-cert", 0, &config.server_cert },
+ { WESTON_OPTION_STRING, "rdp-tls-key", 0, &config.server_key }
+ };
+
+ parse_options(rdp_options, ARRAY_LENGTH(rdp_options), argc, argv);
+ return rdp_compositor_create(display, &config, argc, argv, config_file);
+}
--
1.7.10.4
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