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"
29 elif test -f "/usr/lib/mit/bin/krb5-config"; then
30 K5CONFIG="/usr/lib/mit/bin/krb5-config"
32 if test "$K5CONFIG" != ""; then
33 KRBCFLAGS=`$K5CONFIG --cflags`
34 KRBLIBS=`$K5CONFIG --libs gssapi`
35 K5VERS=`$K5CONFIG --version | head -n 1 | awk '{split($(4),v,"."); if (v@<:@"3"@:>@ == "") v@<:@"3"@:>@ = "0"; print v@<:@"1"@:>@v@<:@"2"@:>@v@<:@"3"@:>@ }'`
36 AC_DEFINE_UNQUOTED(KRB5_VERSION, $K5VERS, [Define this as the Kerberos version number])
37 if test -f $dir/include/gssapi/gssapi_krb5.h -a \
38 \( -f $dir/lib/libgssapi_krb5.a -o \
39 -f $dir/lib64/libgssapi_krb5.a -o \
40 -f $dir/lib64/libgssapi_krb5.so -o \
41 -f $dir/lib/x86_64-linux-gnu/libgssapi_krb5.so -o \
42 -f $dir/lib/libgssapi_krb5.so \) ; then
43 AC_DEFINE(HAVE_KRB5, 1, [Define this if you have MIT Kerberos libraries])
45 dnl If we are using MIT K5 1.3.1 and before, we *MUST* use the
46 dnl private function (gss_krb5_ccache_name) to get correct
47 dnl behavior of changing the ccache used by gssapi.
48 dnl Starting in 1.3.2, we *DO NOT* want to use
49 dnl gss_krb5_ccache_name, instead we want to set KRB5CCNAME
50 dnl to get gssapi to use a different ccache
51 if test $K5VERS -le 131; then
52 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])
54 gssapi_lib=gssapi_krb5
56 dnl The following ugly hack brought on by the split installation
57 dnl of Heimdal Kerberos on SuSe
58 elif test \( -f $dir/include/heim_err.h -o\
59 -f $dir/include/heimdal/heim_err.h \) -a \
60 -f $dir/lib/libroken.a; then
61 AC_DEFINE(HAVE_HEIMDAL, 1, [Define this if you have Heimdal Kerberos libraries])
68 dnl We didn't find a usable Kerberos environment
69 if test "x$KRBDIR" = "x"; then
70 if test "x$krb5_with" = "x"; then
71 AC_MSG_ERROR(Kerberos v5 with GSS support not found: consider --disable-gss or --with-krb5=)
73 AC_MSG_ERROR(Kerberos v5 with GSS support not found at $krb5_with)
76 AC_MSG_RESULT($KRBDIR)
78 dnl Check if -rpath=$(KRBDIR)/lib is needed
79 echo "The current KRBDIR is $KRBDIR"
80 if test "$KRBDIR/lib" = "/lib" -o "$KRBDIR/lib" = "/usr/lib" \
81 -o "$KRBDIR/lib" = "//lib" -o "$KRBDIR/lib" = "/usr//lib" ; then
83 elif /sbin/ldconfig -p | grep > /dev/null "=> $KRBDIR/lib/"; then
86 KRBLDFLAGS="-Wl,-rpath=$KRBDIR/lib"
89 dnl Now check for functions within gssapi library
90 AC_CHECK_LIB($gssapi_lib, gss_krb5_export_lucid_sec_context,
91 AC_DEFINE(HAVE_LUCID_CONTEXT_SUPPORT, 1, [Define this if the Kerberos GSS library supports gss_krb5_export_lucid_sec_context]), ,$KRBLIBS)
92 AC_CHECK_LIB($gssapi_lib, gss_krb5_set_allowable_enctypes,
93 AC_DEFINE(HAVE_SET_ALLOWABLE_ENCTYPES, 1, [Define this if the Kerberos GSS library supports gss_krb5_set_allowable_enctypes]), ,$KRBLIBS)
94 AC_CHECK_LIB($gssapi_lib, gss_krb5_ccache_name,
95 AC_DEFINE(HAVE_GSS_KRB5_CCACHE_NAME, 1, [Define this if the Kerberos GSS library supports gss_krb5_ccache_name]), ,$KRBLIBS)
97 dnl Check for newer error message facility
98 AC_CHECK_LIB($gssapi_lib, krb5_get_error_message,
99 AC_DEFINE(HAVE_KRB5_GET_ERROR_MESSAGE, 1, [Define this if the function krb5_get_error_message is available]), ,$KRBLIBS)
101 dnl Check for function to specify addressless tickets
102 AC_CHECK_LIB($gssapi_lib, krb5_get_init_creds_opt_set_addressless,
103 AC_DEFINE(HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS, 1, [Define this if the function krb5_get_init_creds_opt_set_addressless is available]), ,$KRBLIBS)
105 dnl If they specified a directory and it didn't work, give them a warning
106 if test "x$krb5_with" != "x" -a "$krb5_with" != "$KRBDIR"; then
107 AC_MSG_WARN(Using $KRBDIR instead of requested value of $krb5_with for Kerberos!)
112 AC_SUBST([KRBCFLAGS])
113 AC_SUBST([KRBLDFLAGS])