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dnl Checks for Kerberos
dnl NOTE: while we intend to do generic gss-api, currently we
dnl have a requirement to get an initial Kerberos machine
dnl credential. Thus, the requirement for Kerberos.
dnl The Kerberos gssapi library will be dynamically loaded?
AC_DEFUN([AC_KERBEROS_V5],[
AC_MSG_CHECKING(for Kerberos v5)
AC_ARG_WITH(krb5,
[AC_HELP_STRING([--with-krb5=DIR], [use Kerberos v5 installation in DIR])],
[ case "$withval" in
yes|no)
krb5_with=""
;;
*)
krb5_with="$withval"
;;
esac ]
)
for dir in $krb5_with /usr /usr/kerberos /usr/local /usr/local/krb5 \
/usr/krb5 /usr/heimdal /usr/local/heimdal /usr/athena ; do
dnl This ugly hack brought on by the split installation of
dnl MIT Kerberos on Fedora Core 1
K5CONFIG=""
if test -f $dir/bin/krb5-config; then
K5CONFIG=$dir/bin/krb5-config
elif test -f "/usr/kerberos/bin/krb5-config"; then
K5CONFIG="/usr/kerberos/bin/krb5-config"
elif test -f "/usr/lib/mit/bin/krb5-config"; then
K5CONFIG="/usr/lib/mit/bin/krb5-config"
fi
MULTIARCH=`dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null || true`
if test "$K5CONFIG" != ""; then
KRBCFLAGS=`$K5CONFIG --cflags`
KRBLIBS=`$K5CONFIG --libs`
GSSKRB_CFLAGS=`$K5CONFIG --cflags gssapi`
GSSKRB_LIBS=`$K5CONFIG --libs gssapi`
K5VERS=`$K5CONFIG --version | head -n 1 | awk '{split($(4),v,"."); if (v@<:@"3"@:>@ == "") v@<:@"3"@:>@ = "0"; print v@<:@"1"@:>@v@<:@"2"@:>@v@<:@"3"@:>@ }'`
AC_DEFINE_UNQUOTED(KRB5_VERSION, $K5VERS, [Define this as the Kerberos version number])
if test -f $dir/include/gssapi/gssapi_krb5.h -a \
\( -f $dir/lib/libgssapi_krb5.a -o \
-f $dir/lib64/libgssapi_krb5.a -o \
-f $dir/lib64/libgssapi_krb5.so -o \
-f $dir/lib/$MULTIARCH/libgssapi_krb5.so -o \
-f $dir/lib/libgssapi_krb5.so \) ; then
AC_DEFINE(HAVE_KRB5, 1, [Define this if you have MIT Kerberos libraries])
KRBDIR="$dir"
gssapi_lib=gssapi_krb5
break
dnl The following ugly hack brought on by the split installation
dnl of Heimdal Kerberos on SuSe
elif test \( -f $dir/include/heim_err.h -o\
-f $dir/include/heimdal/heim_err.h \) -a \
-f $dir/lib/libroken.a; then
AC_DEFINE(HAVE_HEIMDAL, 1, [Define this if you have Heimdal Kerberos libraries])
KRBDIR="$dir"
gssapi_lib=gssapi
break
fi
fi
done
dnl We didn't find a usable Kerberos environment
if test "x$KRBDIR" = "x"; then
if test "x$krb5_with" = "x"; then
AC_MSG_ERROR(Kerberos v5 with GSS support not found: consider --disable-gss or --with-krb5=)
else
AC_MSG_ERROR(Kerberos v5 with GSS support not found at $krb5_with)
fi
fi
AC_MSG_RESULT($KRBDIR)
dnl Check if -rpath=$(KRBDIR)/lib is needed
echo "The current KRBDIR is $KRBDIR"
if test "$KRBDIR/lib" = "/lib" -o "$KRBDIR/lib" = "/usr/lib" \
-o "$KRBDIR/lib" = "//lib" -o "$KRBDIR/lib" = "/usr//lib" ; then
KRBLDFLAGS="";
elif /sbin/ldconfig -p | grep > /dev/null "=> $KRBDIR/lib/"; then
KRBLDFLAGS="";
else
KRBLDFLAGS="-Wl,-rpath=$KRBDIR/lib"
fi
dnl Now check for functions within gssapi library
AC_CHECK_LIB($gssapi_lib, gss_krb5_export_lucid_sec_context,
AC_DEFINE(HAVE_LUCID_CONTEXT_SUPPORT, 1, [Define this if the Kerberos GSS library supports gss_krb5_export_lucid_sec_context]), ,$KRBLIBS)
AC_CHECK_LIB($gssapi_lib, gss_krb5_set_allowable_enctypes,
AC_DEFINE(HAVE_SET_ALLOWABLE_ENCTYPES, 1, [Define this if the Kerberos GSS library supports gss_krb5_set_allowable_enctypes]), ,$KRBLIBS)
AC_CHECK_LIB($gssapi_lib, gss_krb5_free_lucid_sec_context,
AC_DEFINE(HAVE_GSS_KRB5_FREE_LUCID_SEC_CONTEXT, 1, [Define this if the Kerberos GSS library supports gss_krb5_free_lucid_sec_context]), ,$KRBLIBS)
dnl Check for newer error message facility
AC_CHECK_LIB($gssapi_lib, krb5_get_error_message,
AC_DEFINE(HAVE_KRB5_GET_ERROR_MESSAGE, 1, [Define this if the function krb5_get_error_message is available]), ,$KRBLIBS)
dnl Check for function to specify addressless tickets
AC_CHECK_LIB($gssapi_lib, krb5_get_init_creds_opt_set_addressless,
AC_DEFINE(HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS, 1, [Define this if the function krb5_get_init_creds_opt_set_addressless is available]), ,$KRBLIBS)
dnl If they specified a directory and it didn't work, give them a warning
if test "x$krb5_with" != "x" -a "$krb5_with" != "$KRBDIR"; then
AC_MSG_WARN(Using $KRBDIR instead of requested value of $krb5_with for Kerberos!)
fi
AC_SUBST([KRBDIR])
AC_SUBST([KRBLIBS])
AC_SUBST([KRBCFLAGS])
AC_SUBST([KRBLDFLAGS])
AC_SUBST([K5VERS])
AC_SUBST([GSSKRB_CFLAGS])
AC_SUBST([GSSKRB_LIBS])
])
|
