[PATCH RFC 6/6] qemu-xen-trad: sasl: add SASL option at build time

[Simon Waterman <watermansrdev@gmail.com>]

This change adds build support for the SASL integration,
disabled by default.

Signed-off-by: Simon Waterman <watermansrdev@gmail.com>
---
 Makefile.target |  6 ++++++
 configure       | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 40 insertions(+)

diff --git a/Makefile.target b/Makefile.target
index 3c3db2b..a225a30 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -557,6 +557,12 @@ CPPFLAGS += $(CONFIG_VNC_TLS_CFLAGS)
 LIBS += $(CONFIG_VNC_TLS_LIBS)
 endif
 
+ifdef CONFIG_VNC_SASL
+CPPFLAGS += $(CONFIG_VNC_SASL_CFLAGS)
+LIBS += $(CONFIG_VNC_SASL_LIBS)
+OBJS+= vnc-auth-sasl.o
+endif
+
 ifdef CONFIG_BLUEZ
 LIBS += $(CONFIG_BLUEZ_LIBS)
 endif
diff --git a/configure b/configure
index 4547359..b2e9b79 100755
--- a/configure
+++ b/configure
@@ -164,6 +164,7 @@ fmod_lib=""
 fmod_inc=""
 oss_lib=""
 vnc_tls="yes"
+vnc_sasl="no"
 bsd="no"
 linux="no"
 solaris="no"
@@ -390,6 +391,8 @@ for opt do
   ;;
   --disable-vnc-tls) vnc_tls="no"
   ;;
+  --enable-vnc-sasl) vnc_sasl="yes"
+  ;;
   --disable-slirp) slirp="no"
   ;;
   --disable-vde) vde="no"
@@ -548,6 +551,7 @@ echo "                           Available cards: $audio_possible_cards"
 echo "  --enable-mixemu          enable mixer emulation"
 echo "  --disable-brlapi         disable BrlAPI"
 echo "  --disable-vnc-tls        disable TLS encryption for VNC server"
+echo "  --enable-vnc-sasl        enable SASL encryption for VNC server"
 echo "  --disable-curses         disable curses output"
 echo "  --disable-bluez          disable bluez stack connectivity"
 echo "  --disable-kvm            disable KVM acceleration support"
@@ -842,6 +846,25 @@ EOF
 fi
 
 ##########################################
+# VNC SASL detection
+if test "$vnc_sasl" = "yes" ; then
+cat > $TMPC <<EOF
+#include <sasl/sasl.h>
+#include <stdio.h>
+int main(void) { sasl_server_init(NULL, "qemu"); return 0; }
+EOF
+    # Assuming Cyrus-SASL installed in /usr prefix
+    vnc_sasl_cflags=""
+    vnc_sasl_libs="-lsasl2"
+    if $cc $ARCH_CFLAGS -o $TMPE ${OS_CFLAGS} $vnc_sasl_cflags $TMPC \
+           $vnc_sasl_libs 2> /dev/null ; then
+	:
+    else
+	vnc_sasl="no"
+    fi
+fi
+
+##########################################
 # vde libraries probe
 if test "$vde" = "yes" ; then
   cat > $TMPC << EOF
@@ -1169,6 +1192,11 @@ if test "$vnc_tls" = "yes" ; then
     echo "    TLS CFLAGS    $vnc_tls_cflags"
     echo "    TLS LIBS      $vnc_tls_libs"
 fi
+echo "VNC SASL support  $vnc_sasl"
+if test "$vnc_sasl" = "yes" ; then
+    echo "    SASL CFLAGS    $vnc_sasl_cflags"
+    echo "    SASL LIBS      $vnc_sasl_libs"
+fi
 if test -n "$sparc_cpu"; then
     echo "Target Sparc Arch $sparc_cpu"
 fi
@@ -1414,6 +1442,12 @@ if test "$vnc_tls" = "yes" ; then
   echo "CONFIG_VNC_TLS_LIBS=$vnc_tls_libs" >> $config_mak
   echo "#define CONFIG_VNC_TLS 1" >> $config_h
 fi
+if test "$vnc_sasl" = "yes" ; then
+  echo "CONFIG_VNC_SASL=yes" >> $config_mak
+  echo "CONFIG_VNC_SASL_CFLAGS=$vnc_sasl_cflags" >> $config_mak
+  echo "CONFIG_VNC_SASL_LIBS=$vnc_sasl_libs" >> $config_mak
+  echo "#define CONFIG_VNC_SASL 1" >> $config_h
+fi
 qemu_version=`head $source_path/VERSION`
 echo "VERSION=$qemu_version" >>$config_mak
 echo "#define QEMU_VERSION \"$qemu_version\"" >> $config_h
-- 
2.7.4


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