Check for support for in-memory keytabs, which are needed to make heimdal

work properly.  MIT does not support them, so this check will be used to
decide whether to use them.  First part of fixing bug #372.
(This used to be commit 85737fc9371d8208f3dd55d408958e357c48266e)

diff --git a/source3/configure.in b/source3/configure.in
index 3f9510920dd2c314f56f73506d34418c308a24af..a91dbf117d6a33988f41b7b15af11da4dee171ed 100644 (file)
--- a/source3/configure.in
+++ b/source3/configure.in
@@ -2573,6 +2573,28 @@ if test x"$with_ads_support" != x"no"; then
                [Whether krb5_princ_component is available])
   fi
 
+  AC_CACHE_CHECK([for memory keytab support],
+                samba_cv_HAVE_MEMORY_KEYTAB,[
+    AC_TRY_RUN([
+#include<krb5.h>
+  main()
+  {
+    krb5_context context;
+    krb5_keytab keytab;
+    
+    krb5_init_context(&context);
+    if (krb5_kt_resolve(context, "MEMORY:", &keytab))
+      exit(0);
+    exit(1);
+  }], 
+  samba_cv_HAVE_MEMORY_KEYTAB=no,
+  samba_cv_HAVE_MEMORY_KEYTAB=yes)])
+
+  if test x"$samba_cv_HAVE_MEMORY_KEYTAB" = x"yes"; then
+      AC_DEFINE(HAVE_MEMORY_KEYTAB,1,
+               [Whether in-memory keytabs are supported])
+  fi
+
 
   if test x"$ac_cv_lib_ext_krb5_krb5_mk_req_extended" = x"yes"; then
     AC_DEFINE(HAVE_KRB5,1,[Whether to have KRB5 support])