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
44 dnl If we are using MIT K5 1.3.1 and before, we *MUST* use the
45 dnl private function (gss_krb5_ccache_name) to get correct
46 dnl behavior of changing the ccache used by gssapi.
47 dnl Starting in 1.3.2, we *DO NOT* want to use
48 dnl gss_krb5_ccache_name, instead we want to set KRB5CCNAME
49 dnl to get gssapi to use a different ccache
50 if test $K5VERS -le 131; then
51 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])
53 gssapi_lib=gssapi_krb5
55 dnl The following ugly hack brought on by the split installation
56 dnl of Heimdal Kerberos on SuSe
57 elif test \( -f $dir/include/heim_err.h -o\
58 -f $dir/include/heimdal/heim_err.h \) -a \
59 -f $dir/lib/libroken.a; then
60 AC_DEFINE(HAVE_HEIMDAL, 1, [Define this if you have Heimdal Kerberos libraries])
67 dnl We didn't find a usable Kerberos environment
68 if test "x$require_krb5" = "xyes" -a "x$KRBDIR" = "x"; then
69 if test "x$krb5_with" = "x"; then
72 Kerberos v5 with GSS support not found: consider --disable-gss or --with-krb5=
77 Kerberos v5 with GSS support not found at $krb5_with
82 if test "x$KRBDIR" != "x"; then
84 AC_MSG_RESULT($KRBDIR)
86 dnl Check if -rpath=$(KRBDIR)/lib is needed
87 echo "The current KRBDIR is $KRBDIR"
88 if test "$KRBDIR/lib" = "/lib" -o "$KRBDIR/lib" = "/usr/lib" \
89 -o "$KRBDIR/lib" = "//lib" -o "$KRBDIR/lib" = "/usr//lib" ; then
91 elif /sbin/ldconfig -p | grep > /dev/null "=> $KRBDIR/lib/"; then
94 KRBLDFLAGS="-Wl,-rpath=$KRBDIR/lib"
97 dnl Now check for functions within gssapi library
98 AC_CHECK_LIB($gssapi_lib, gss_krb5_export_lucid_sec_context,
99 AC_DEFINE(HAVE_LUCID_CONTEXT_SUPPORT, 1, [Define this if the Kerberos GSS library supports gss_krb5_export_lucid_sec_context]), ,$KRBLIBS)
100 AC_CHECK_LIB($gssapi_lib, gss_krb5_set_allowable_enctypes,
101 AC_DEFINE(HAVE_SET_ALLOWABLE_ENCTYPES, 1, [Define this if the Kerberos GSS library supports gss_krb5_set_allowable_enctypes]), ,$KRBLIBS)
102 AC_CHECK_LIB($gssapi_lib, gss_krb5_ccache_name,
103 AC_DEFINE(HAVE_GSS_KRB5_CCACHE_NAME, 1, [Define this if the Kerberos GSS library supports gss_krb5_ccache_name]), ,$KRBLIBS)
105 dnl Check for newer error message facility
106 AC_CHECK_LIB($gssapi_lib, krb5_get_error_message,
107 AC_DEFINE(HAVE_KRB5_GET_ERROR_MESSAGE, 1, [Define this if the function krb5_get_error_message is available]), ,$KRBLIBS)
109 dnl Check for function to specify addressless tickets
110 AC_CHECK_LIB($gssapi_lib, krb5_get_init_creds_opt_set_addressless,
111 AC_DEFINE(HAVE_KRB5_GET_INIT_CREDS_OPT_SET_ADDRESSLESS, 1, [Define this if the function krb5_get_init_creds_opt_set_addressless is available]), ,$KRBLIBS)
113 dnl Check for krb5int_derive_key
114 AC_CHECK_LIB($gssapi_lib, krb5int_derive_key,
115 [HAVE_KRB5INT_DERIVE_KEY=1; AC_DEFINE(HAVE_KRB5INT_DERIVE_KEY, 1, [Define this if the function krb5int_derive_key is available])], ,$KRBLIBS)
117 dnl Check for krb5_derive_key
118 AC_CHECK_LIB($gssapi_lib, krb5_derive_key,
119 [HAVE_KRB5_DERIVE_KEY=1; AC_DEFINE(HAVE_KRB5_DERIVE_KEY, 1, [Define this if the function krb5_derive_key is available])], ,$KRBLIBS)
121 AS_IF([test "x$HAVE_KRB5INT_DERIVE_KEY" = "x1" -o "x$HAVE_KRB5_DERIVE_KEY" = "x1"],
122 [AC_DEFINE(HAVE_KRB5, 1, [Define this if you have MIT Kerberos libraries])],
123 [KRBDIR=""; AC_MSG_WARN([
125 Disable gss/krb5 due to missing both
126 krb5int_derive_key and krb5_derive_key functions!
130 dnl If they specified a directory and it didn't work, give them a warning
131 if test "x$krb5_with" != "x" -a "$krb5_with" != "$KRBDIR"; then
134 Using $KRBDIR instead of requested value of $krb5_with for Kerberos!
140 AC_SUBST([KRBCFLAGS])
141 AC_SUBST([KRBLDFLAGS])
145 AC_MSG_RESULT([not found!])
146 fi # "x$KRBDIR" != "x"