GUACAMOLE-2210: Add support for AAD authentication to RDP protocol.

Author: aleitner

configure.ac

@@ -1156,6 +1156,21 @@ then
     [AC_MSG_RESULT([no])])
 fi
 
+if test "x${have_freerdp}" = "xyes"
+then
+    AC_CHECK_DECLS([FreeRDP_AadSecurity],
+                   [have_freerdp_aad=yes], [have_freerdp_aad=no],
+                   [#include <freerdp/settings.h>])
+
+    if test "x${have_freerdp_aad}" = "xyes"
+    then
+        PKG_CHECK_MODULES([CURL], [libcurl],
+            [AC_DEFINE([HAVE_FREERDP_AAD_SUPPORT],,
+                [Defined if FreeRDP supports Azure AD authentication and libcurl is available])],
+            [AC_MSG_WARN([libcurl not found - Azure AD authentication disabled])])
+    fi
+fi
+
 # Restore CPPFLAGS, removing FreeRDP-specific options needed for testing
 CPPFLAGS="$OLDCPPFLAGS"
 

src/protocols/rdp/Makefile.am

@@ -38,6 +38,7 @@ nodist_libguac_client_rdp_la_SOURCES =  \
     _generated_keymaps.c
 
 libguac_client_rdp_la_SOURCES =                  \
+    aad.c                                        \
     argv.c                                       \
     beep.c                                       \
     channels/audio-input/audio-buffer.c          \
@@ -84,6 +85,7 @@ libguac_client_rdp_la_SOURCES =                  \
     user.c
 
 noinst_HEADERS =                                 \
+    aad.h                                        \
     argv.h                                       \
     beep.h                                       \
     channels/audio-input/audio-buffer.h          \
@@ -141,7 +143,8 @@ libguac_client_rdp_la_LDFLAGS = \
     -version-info 0:0:0         \
     @CAIRO_LIBS@                \
     @PTHREAD_LIBS@              \
-    @RDP_LIBS@
+    @RDP_LIBS@                  \
+    @CURL_LIBS@
 
 libguac_client_rdp_la_LIBADD = \
     @COMMON_LTLIB@             \