Add test for change in type of rdpBitmap.Decompress. Fix cliprdr header.

configure.ac

@@ -217,6 +217,7 @@ have_winpr=yes
 have_freerdp=yes
 legacy_freerdp_extensions=no
 rdpsettings_interface=unknown
+freerdp_interface=unknown
 RDP_LIBS=
 
 # libfreerdp-cache
@@ -251,13 +252,21 @@ AC_CHECK_LIB([freerdp-codec], [freerdp_image_convert],
 AC_CHECK_MEMBERS([rdpSvcPlugin.interval_ms],
                  [[#include <freerdp/utils/svc_plugin.h>]])
 
-# FreeRDP-specific headers
+# Keyboard layout header
 AC_CHECK_HEADERS([freerdp/locale/keyboard.h],,
                   AC_CHECK_HEADERS([freerdp/kbd/layouts.h],,
                                    [have_freerdp=no]))
 
+# New headers defining addins
 AC_CHECK_HEADERS([freerdp/addin.h freerdp/client/channels.h])
 
+# Header defining cliprdr
+AC_CHECK_HEADERS([freerdp/client/cliprdr.h],,
+                  AC_CHECK_HEADERS([freerdp/plugins/cliprdr.h],,
+                                   [have_freerdp=no]),
+                 [#include <winpr/wtypes.h>
+                  #include <winpr/collections.h>])
+
 AC_CHECK_DECL([freerdp_register_addin_provider],
 	[AC_DEFINE([HAVE_FREERDP_REGISTER_ADDIN_PROVIDER])],,
 	[#include <freerdp/addin.h>])
@@ -283,6 +292,30 @@ then
     AC_DEFINE([ENABLE_WINPR])
 fi
 
+#
+# FreeRDP: freerdp 
+#
+
+# Check for current (as of 1.1) freerdp interface
+AC_CHECK_MEMBERS([freerdp.ContextSize],
+                 [freerdp_interface=stable],,
+                 [[#include <freerdp/freerdp.h>]])
+
+# If not current, check for legacy interface
+if test "x${freerdp_interface}" = "xunknown"
+then
+    AC_CHECK_MEMBERS([freerdp.context_size],
+                     [freerdp_interface=legacy],,
+                     [[#include <freerdp/freerdp.h>]])
+fi
+
+# Set defines based on interface type, warn if unknown
+if test "x${freerdp_interface}" = "xlegacy"; then
+    AC_DEFINE([LEGACY_FREERDP])
+elif test "x${freerdp_interface}" = "xunknown"; then
+    have_freerdp=no
+fi
+
 #
 # FreeRDP: rdpSettings
 #
@@ -311,6 +344,24 @@ elif test "x${rdpsettings_interface}" = "xunknown"; then
     have_freerdp=no
 fi
 
+#
+# FreeRDP: rdpBitmap
+#
+
+AC_COMPILE_IFELSE([AC_LANG_SOURCE([[#include <winpr/wtypes.h>
+                                    #include <freerdp/freerdp.h>
+                                    void __decompress(rdpContext* context,
+                                                      rdpBitmap* bitmap,
+                                                      UINT8* data,
+                                                      int width,
+                                                      int height,
+                                                      int bpp,
+                                                      int length,
+                                                      BOOL compressed,
+                                                      int codec_id);
+                                    rdpBitmap b = { .Decompress = __decompress };]])],,
+                  [AC_DEFINE([LEGACY_RDPBITMAP])])
+
 AM_CONDITIONAL([LEGACY_FREERDP_EXTENSIONS], [test "x${legacy_freerdp_extensions}" = "xyes"])
 AM_CONDITIONAL([ENABLE_WINPR], [test "x${have_winpr}"   = "xyes"])
 AM_CONDITIONAL([ENABLE_RDP],   [test "x${have_freerdp}" = "xyes"])

src/protocols/rdp/client.c

@@ -389,7 +389,11 @@ int guac_client_init(guac_client* client, int argc, char** argv) {
     rdp_inst->ReceiveChannelData = __guac_receive_channel_data;
 
     /* Allocate FreeRDP context */
+#ifdef LEGACY_FREERDP
     rdp_inst->context_size = sizeof(rdp_freerdp_context);
+#else
+    rdp_inst->ContextSize = sizeof(rdp_freerdp_context);
+#endif
     rdp_inst->ContextNew  = (pContextNew) rdp_freerdp_context_new;
     rdp_inst->ContextFree = (pContextFree) rdp_freerdp_context_free;
     freerdp_context_new(rdp_inst);

src/protocols/rdp/guac_handlers.c

@@ -52,7 +52,12 @@
 #include <freerdp/codec/color.h>
 #include <freerdp/cache/cache.h>
 #include <freerdp/utils/event.h>
+
+#ifdef HAVE_FREERDP_CLIENT_CLIPRDR_H
+#include <freerdp/client/cliprdr.h>
+#else
 #include <freerdp/plugins/cliprdr.h>
+#endif
 
 #ifdef ENABLE_WINPR
 #include <winpr/wtypes.h>

src/protocols/rdp/rdp_bitmap.c

@@ -197,7 +197,13 @@ void guac_rdp_bitmap_setsurface(rdpContext* context, rdpBitmap* bitmap, BOOL pri
 
 }
 
-void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, UINT8* data, int width, int height, int bpp, int length, BOOL compressed) {
+#ifdef LEGACY_RDPBITMAP
+void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, UINT8* data,
+        int width, int height, int bpp, int length, BOOL compressed) {
+#else
+void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, UINT8* data,
+        int width, int height, int bpp, int length, BOOL compressed, int codec_id) {
+#endif
 
     int size = width * height * (bpp + 7) / 8;
 

src/protocols/rdp/rdp_bitmap.h

@@ -69,9 +69,16 @@ typedef struct guac_rdp_bitmap {
 
 void guac_rdp_cache_bitmap(rdpContext* context, rdpBitmap* bitmap);
 void guac_rdp_bitmap_new(rdpContext* context, rdpBitmap* bitmap);
-void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, UINT8* data, int width, int height, int bpp, int length, BOOL compressed);
 void guac_rdp_bitmap_paint(rdpContext* context, rdpBitmap* bitmap);
 void guac_rdp_bitmap_free(rdpContext* context, rdpBitmap* bitmap);
 void guac_rdp_bitmap_setsurface(rdpContext* context, rdpBitmap* bitmap, BOOL primary);
 
+#ifdef LEGACY_RDPBITMAP
+void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, UINT8* data,
+        int width, int height, int bpp, int length, BOOL compressed);
+#else
+void guac_rdp_bitmap_decompress(rdpContext* context, rdpBitmap* bitmap, UINT8* data,
+        int width, int height, int bpp, int length, BOOL compressed, int codec_id);
+#endif
+
 #endif