1 dnl Checks for Kerberos
2 dnl NOTE: while we intend to do generic gss-api, currently we
3 dnl have a requirement to get an initial Kerberos machine
4 dnl credential. Thus, the requirement for Kerberos.
5 dnl The Kerberos gssapi library will be dynamically loaded?
6 AC_DEFUN([AC_KERBEROS_V5],[
7 AC_MSG_CHECKING(for Kerberos v5)
9 [AC_HELP_STRING([--with-krb5=DIR], [use Kerberos v5 installation in DIR])],
20 for dir in $krb5_with /usr /usr/kerberos /usr/local /usr/local/krb5 \
21 /usr/krb5 /usr/heimdal /usr/local/heimdal /usr/athena ; do
22 dnl This ugly hack brought on by the split installation of
23 dnl MIT Kerberos on Fedora Core 1
25 if test -f $dir/bin/krb5-config; then
26 K5CONFIG=$dir/bin/krb5-config
27 elif test -f "/usr/kerberos/bin/krb5-config"; then
28 K5CONFIG="/usr/kerberos/bin/krb5-config"
30 if test "$K5CONFIG" != ""; then
31 KRBCFLAGS=`$K5CONFIG --cflags`
32 KRBLIBS=`$K5CONFIG --libs gssapi`
33 K5VERS=`$K5CONFIG --version | head -n 1 | awk '{split($(4),v,"."); if (v@<:@"3"@:>@ == "") v@<:@"3"@:>@ = "0"; print v@<:@"1"@:>@v@<:@"2"@:>@v@<:@"3"@:>@ }'`
34 AC_DEFINE_UNQUOTED(KRB5_VERSION, $K5VERS, [Define this as the Kerberos version number])
35 if test -f $dir/include/gssapi/gssapi_krb5.h -a \
36 \( -f $dir/lib/libgssapi_krb5.a -o \
37 -f $dir/lib/libgssapi_krb5.so \) ; then
38 AC_DEFINE(HAVE_KRB5, 1, [Define this if you have MIT Kerberos libraries])
40 dnl If we are using MIT K5 1.3.1 and before, we *MUST* use the
41 dnl private function (gss_krb5_ccache_name) to get correct
42 dnl behavior of changing the ccache used by gssapi.
43 dnl Starting in 1.3.2, we *DO NOT* want to use
44 dnl gss_krb5_ccache_name, instead we want to set KRB5CCNAME
45 dnl to get gssapi to use a different ccache
46 if test $K5VERS -le 131; then
47 AC_DEFINE(USE_GSS_KRB5_CCACHE_NAME, 1, [Define this if the private function, gss_krb5_cache_name, must be used to tell the Kerberos library which credentials cache to use. Otherwise, this is done by setting the KRB5CCNAME environment variable])
49 gssapi_lib=gssapi_krb5
51 dnl The following ugly hack brought on by the split installation
52 dnl of Heimdal Kerberos on SuSe
53 elif test \( -f $dir/include/heim_err.h -o\
54 -f $dir/include/heimdal/heim_err.h \) -a \
55 -f $dir/lib/libroken.a; then
56 AC_DEFINE(HAVE_HEIMDAL, 1, [Define this if you have Heimdal Kerberos libraries])
63 dnl We didn't find a usable Kerberos environment
64 if test "x$KRBDIR" = "x"; then
65 if test "x$krb5_with" = "x"; then
66 AC_MSG_ERROR(Kerberos v5 with GSS support not found: consider --disable-gss or --with-krb5=)
68 AC_MSG_ERROR(Kerberos v5 with GSS support not found at $krb5_with)
71 AC_MSG_RESULT($KRBDIR)
73 dnl Now check for functions within gssapi library
74 AC_CHECK_LIB($gssapi_lib, gss_krb5_export_lucid_sec_context,
75 AC_DEFINE(HAVE_LUCID_CONTEXT_SUPPORT, 1, [Define this if the Kerberos GSS library supports gss_krb5_export_lucid_sec_context]), ,$KRBLIBS)
76 AC_CHECK_LIB($gssapi_lib, gss_krb5_set_allowable_enctypes,
77 AC_DEFINE(HAVE_SET_ALLOWABLE_ENCTYPES, 1, [Define this if the Kerberos GSS library supports gss_krb5_set_allowable_enctypes]), ,$KRBLIBS)
78 AC_CHECK_LIB($gssapi_lib, gss_krb5_ccache_name,
79 AC_DEFINE(HAVE_GSS_KRB5_CCACHE_NAME, 1, [Define this if the Kerberos GSS library supports gss_krb5_ccache_name]), ,$KRBLIBS)
81 dnl If they specified a directory and it didn't work, give them a warning
82 if test "x$krb5_with" != "x" -a "$krb5_with" != "$KRBDIR"; then
83 AC_MSG_WARN(Using $KRBDIR instead of requested value of $krb5_with for Kerberos!)